<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilities" xlink:href="lpla-20111231.xsd#AccountsPayableAndAccruedLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilitiesDetails" xlink:href="lpla-20111231.xsd#AccountsPayableAndAccruedLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilitiesTables" xlink:href="lpla-20111231.xsd#AccountsPayableAndAccruedLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/Acquisitions" xlink:href="lpla-20111231.xsd#Acquisitions" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/AcquisitionsDetails" xlink:href="lpla-20111231.xsd#AcquisitionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/AcquisitionsDetails1" xlink:href="lpla-20111231.xsd#AcquisitionsDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/AcquisitionsDetailsTextuals" xlink:href="lpla-20111231.xsd#AcquisitionsDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/AcquisitionsTables" xlink:href="lpla-20111231.xsd#AcquisitionsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingencies" xlink:href="lpla-20111231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesDetails" xlink:href="lpla-20111231.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesDetailsTextuals" xlink:href="lpla-20111231.xsd#CommitmentsAndContingenciesDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesTables" xlink:href="lpla-20111231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="lpla-20111231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfFinancialCondition" xlink:href="lpla-20111231.xsd#ConsolidatedStatementsOfFinancialCondition" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical" xlink:href="lpla-20111231.xsd#ConsolidatedStatementsOfFinancialConditionParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfOperations" xlink:href="lpla-20111231.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="lpla-20111231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:href="lpla-20111231.xsd#ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DocumentAndEntityInformation" xlink:href="lpla-20111231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShare" xlink:href="lpla-20111231.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShareDetails" xlink:href="lpla-20111231.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShareDetailsTextuals" xlink:href="lpla-20111231.xsd#EarningsPerShareDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShareTables" xlink:href="lpla-20111231.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EmployeeAndAdvisorBenefitPlans" xlink:href="lpla-20111231.xsd#EmployeeAndAdvisorBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EmployeeAndAdvisorBenefitPlansDetails" xlink:href="lpla-20111231.xsd#EmployeeAndAdvisorBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurements" xlink:href="lpla-20111231.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetails" xlink:href="lpla-20111231.xsd#FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails" xlink:href="lpla-20111231.xsd#FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurementsTables" xlink:href="lpla-20111231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk" xlink:href="lpla-20111231.xsd#FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FixedAssets" xlink:href="lpla-20111231.xsd#FixedAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FixedAssetsDetails" xlink:href="lpla-20111231.xsd#FixedAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FixedAssetsDetailsTextuals" xlink:href="lpla-20111231.xsd#FixedAssetsDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FixedAssetsTables" xlink:href="lpla-20111231.xsd#FixedAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/GoodwillAndIntangibleAssets" xlink:href="lpla-20111231.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/GoodwillAndIntangibleAssetsDetails" xlink:href="lpla-20111231.xsd#GoodwillAndIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/GoodwillAndIntangibleAssetsGoodwillDetails" xlink:href="lpla-20111231.xsd#GoodwillAndIntangibleAssetsGoodwillDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/GoodwillAndIntangibleAssetsIntangibleAssetsDetails2" xlink:href="lpla-20111231.xsd#GoodwillAndIntangibleAssetsIntangibleAssetsDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="lpla-20111231.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecurities" xlink:href="lpla-20111231.xsd#HeldToMaturitySecurities" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails" xlink:href="lpla-20111231.xsd#HeldToMaturitySecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1" xlink:href="lpla-20111231.xsd#HeldToMaturitySecuritiesDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesTables" xlink:href="lpla-20111231.xsd#HeldToMaturitySecuritiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxes" xlink:href="lpla-20111231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDetails" xlink:href="lpla-20111231.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDetails1" xlink:href="lpla-20111231.xsd#IncomeTaxesDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDetails2" xlink:href="lpla-20111231.xsd#IncomeTaxesDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDetails3" xlink:href="lpla-20111231.xsd#IncomeTaxesDetails3" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDetailsTextuals" xlink:href="lpla-20111231.xsd#IncomeTaxesDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesTables" xlink:href="lpla-20111231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/Indebtedness" xlink:href="lpla-20111231.xsd#Indebtedness" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IndebtednessDetails" xlink:href="lpla-20111231.xsd#IndebtednessDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IndebtednessDetails1" xlink:href="lpla-20111231.xsd#IndebtednessDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IndebtednessDetails2" xlink:href="lpla-20111231.xsd#IndebtednessDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IndebtednessDetailsTextuals" xlink:href="lpla-20111231.xsd#IndebtednessDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IndebtednessTables" xlink:href="lpla-20111231.xsd#IndebtednessTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IntangibleAssetsDetails1" xlink:href="lpla-20111231.xsd#IntangibleAssetsDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IntangibleAssetsDetailsTextuals" xlink:href="lpla-20111231.xsd#IntangibleAssetsDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/InterestRateSwaps" xlink:href="lpla-20111231.xsd#InterestRateSwaps" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/InterestRateSwapsDetails" xlink:href="lpla-20111231.xsd#InterestRateSwapsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirements" xlink:href="lpla-20111231.xsd#NetCapitalAndRegulatoryRequirements" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsDetails" xlink:href="lpla-20111231.xsd#NetCapitalAndRegulatoryRequirementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsTables" xlink:href="lpla-20111231.xsd#NetCapitalAndRegulatoryRequirementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/OrganizationAndDescriptionOfCompany" xlink:href="lpla-20111231.xsd#OrganizationAndDescriptionOfCompany" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/OrganizationAndDescriptionOfCompanyDetails" xlink:href="lpla-20111231.xsd#OrganizationAndDescriptionOfCompanyDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizations" xlink:href="lpla-20111231.xsd#ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizations" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsDetails" xlink:href="lpla-20111231.xsd#ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsTables" xlink:href="lpla-20111231.xsd#ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RelatedPartyTransactions" xlink:href="lpla-20111231.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RelatedPartyTransactionsDetails" xlink:href="lpla-20111231.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/Restructuring" xlink:href="lpla-20111231.xsd#Restructuring" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestructuringTableDetails" xlink:href="lpla-20111231.xsd#RestructuringTableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestructuringTables" xlink:href="lpla-20111231.xsd#RestructuringTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SelectedQuarterlyFinancialDataDetails" xlink:href="lpla-20111231.xsd#SelectedQuarterlyFinancialDataDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SelectedQuarterlyFinancialDataUnaudited" xlink:href="lpla-20111231.xsd#SelectedQuarterlyFinancialDataUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SelectedQuarterlyFinancialDataUnauditedTables" xlink:href="lpla-20111231.xsd#SelectedQuarterlyFinancialDataUnauditedTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensation" xlink:href="lpla-20111231.xsd#ShareBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationDetails" xlink:href="lpla-20111231.xsd#ShareBasedCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationDetails1" xlink:href="lpla-20111231.xsd#ShareBasedCompensationDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationDetails2" xlink:href="lpla-20111231.xsd#ShareBasedCompensationDetails2" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationDetails3" xlink:href="lpla-20111231.xsd#ShareBasedCompensationDetails3" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationDetailsTextuals" xlink:href="lpla-20111231.xsd#ShareBasedCompensationDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationTables" xlink:href="lpla-20111231.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SubsequentEvents" xlink:href="lpla-20111231.xsd#SubsequentEvents" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SubsequentEventsSubsequentEventsDetails" xlink:href="lpla-20111231.xsd#SubsequentEventsSubsequentEventsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesDraftsPayableDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesDraftsPayableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesEquityMethodInvestmentsDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesEquityMethodInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFixedAssetsDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesFixedAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxesDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesIncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesIntangiblesDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesIntangiblesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesOtherOperatingExpenseDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesOtherOperatingExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReceivablesFromAndPayablesToClientsDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesReceivablesFromAndPayablesToClientsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReceivablesFromOthersDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesReceivablesFromOthersDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesSecuritiesBorrowedAndLoanedDetails" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesSecuritiesBorrowedAndLoanedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="lpla-20111231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <calculationLink xlink:role="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedSalariesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccruedSalariesCurrentAndNoncurrent_07b36020-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccruedSalariesCurrentAndNoncurrent_07b36020-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_07b1cc38-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_07b1cc38-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableCurrentAndNoncurrent_07a83de4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccountsPayableCurrentAndNoncurrent_07a83de4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_0851b34c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_0851b34c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedRentCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccruedRentCurrentAndNoncurrent_07b23d4e-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccruedRentCurrentAndNoncurrent_07b23d4e-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent_07be7fb4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent_07be7fb4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilitiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/Acquisitions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/AcquisitionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_e4dd194c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_e4dd194c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_e4d6876c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables_e4d6876c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsOtherAssets" xlink:label="loc_lpla_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsOtherAssets_a5d6ac7e-b332-1b5e-0df8-101c031660ed" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsOtherAssets_a5d6ac7e-b332-1b5e-0df8-101c031660ed" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets_e4cb7a8e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets_e4cb7a8e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentAssets" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentAssets_e4e41706-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentAssets_e4e41706-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities" xlink:label="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities_e4d7b9ac-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities_e4d7b9ac-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_05ba247a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_05ba247a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_BusinessAcquisitionCostOfAcquiredEntityCashPlacedInEscrow" xlink:label="loc_lpla_BusinessAcquisitionCostOfAcquiredEntityCashPlacedInEscrow_c2c52b8a-6401-5a8e-0e82-101c03162b74" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_BusinessAcquisitionCostOfAcquiredEntityCashPlacedInEscrow_c2c52b8a-6401-5a8e-0e82-101c03162b74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="loc_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_e4b598d6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet_e4ccaa8a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_e4b598d6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/AcquisitionsDetails1" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/AcquisitionsDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/AcquisitionsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_f18d515c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_f18d515c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_f18e3ac2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_f18e3ac2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_f18e0c3c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_f18e0c3c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_f18ddadc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_f18ddadc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_f18dad64-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_f18dad64-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_f18e6894-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_f18cd7ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_f18e6894-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_0bda6c5c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_0bda6c5c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_f56f62d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_f56f62d8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_f3ebef12-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_f3ebef12-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfSubordinatedDebt" xlink:label="loc_us-gaap_RepaymentsOfSubordinatedDebt_f59c1a76-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RepaymentsOfSubordinatedDebt_f59c1a76-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_e7619774-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_e7619774-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_f5a72484-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_f5a72484-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_f43296ba-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_f43296ba-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_f88c5ffc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_f88c5ffc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_RepaymentOfStockholderLoans" xlink:label="loc_lpla_RepaymentOfStockholderLoans_5bc410ff-c438-13bb-5fa3-101c0316de31" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_RepaymentOfStockholderLoans_5bc410ff-c438-13bb-5fa3-101c0316de31" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_f3de7e68-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f0848d20-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_f3de7e68-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_e83bd45c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DepreciationAndAmortization_e83bd45c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_e3ed8ecc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_e3ed8ecc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_feb636d2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_feb636d2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_eaf41c9a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ShareBasedCompensation_eaf41c9a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_ecb96490-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_ecb96490-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_ec454baa-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_ec454baa-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_ec62243c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_ec62243c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f43ffe9a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f43ffe9a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_ecd88bb8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_ecd88bb8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_LeaseAbandonment" xlink:label="loc_lpla_LeaseAbandonment_fc12f686-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_LeaseAbandonment_fc12f686-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_LoanForgiveness" xlink:label="loc_lpla_LoanForgiveness_fc16fea2-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_LoanForgiveness_fc16fea2-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_0d51972c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_0d51972c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsChangesInOperatingAssetsAndLiabilities" xlink:label="loc_lpla_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsChangesInOperatingAssetsAndLiabilities_fc1cd8b8-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="15" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsChangesInOperatingAssetsAndLiabilities_fc1cd8b8-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_IncreaseDecreaseReceivablesFromClients" xlink:label="loc_lpla_IncreaseDecreaseReceivablesFromClients_fc1f7a1e-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="16" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_IncreaseDecreaseReceivablesFromClients_fc1f7a1e-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInBrokerageReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInBrokerageReceivables_feab7aee-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="17" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInBrokerageReceivables_feab7aee-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_e5c50554-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="18" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_e5c50554-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInTradingSecurities" xlink:label="loc_us-gaap_IncreaseDecreaseInTradingSecurities_eda857e4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="19" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInTradingSecurities_eda857e4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInSecuritiesBorrowed" xlink:label="loc_us-gaap_IncreaseDecreaseInSecuritiesBorrowed_01b61afa-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="20" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInSecuritiesBorrowed_01b61afa-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_ed9e60f4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="21" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_ed9e60f4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities" xlink:label="loc_lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities_fc1d6fee-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="22" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities_fc1d6fee-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_IncreaseDecreasePayablesToClients" xlink:label="loc_lpla_IncreaseDecreasePayablesToClients_fc1f3144-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="23" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_IncreaseDecreasePayablesToClients_fc1f3144-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPayablesToBrokerDealers" xlink:label="loc_us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_feac1b70-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="24" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_feac1b70-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable" xlink:label="loc_lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable_fc1db918-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="25" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable_fc1db918-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_e5a2f2ca-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="26" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_e5a2f2ca-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_ff36e7fa-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="27" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_ff36e7fa-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_0a50953c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="28" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_0a50953c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased" xlink:label="loc_us-gaap_IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased_fe64fbfa-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="29" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f0868ac6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased_fe64fbfa-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_f4a4611e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_f4a4611e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_f3fe97ca-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_f3fe97ca-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_f4886a68-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_f4886a68-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_f3dcc9ec-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_f3dcc9ec-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_e2e2e6ee-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_e2e2e6ee-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_DepositsOfRestrictedCash" xlink:label="loc_lpla_DepositsOfRestrictedCash_fc174808-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_DepositsOfRestrictedCash_fc174808-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_f3ffe094-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProceedsFromSaleOfEquityMethodInvestments_f3ffe094-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_ReleaseOfRestrictedCash" xlink:label="loc_lpla_ReleaseOfRestrictedCash_fc1e0274-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f085995e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_ReleaseOfRestrictedCash_fc1e0274-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsOfFinancialCondition" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DraftsPayable" xlink:label="loc_us-gaap_DraftsPayable_ea00c018-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DraftsPayable_ea00c018-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PayablesToCustomers" xlink:label="loc_us-gaap_PayablesToCustomers_f2817ec6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PayablesToCustomers_f2817ec6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PayablesToBrokerDealersAndClearingOrganizations" xlink:label="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_AccruedCommissionsAndAdvisoryFeesPayable" xlink:label="loc_lpla_AccruedCommissionsAndAdvisoryFeesPayable_fc179100-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_AccruedCommissionsAndAdvisoryFeesPayable_fc179100-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07a87c8c-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TaxesPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_07bfc644-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_07bfc644-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_e81918b8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredRevenueCurrent_e81918b8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet_ee4fa706-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet_ee4fa706-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xlink:label="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue_f73e85d0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue_f73e85d0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_e79d53cc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_e79d53cc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_01b7fbfe-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eec8615a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DerivativeLiabilities_01b7fbfe-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_eed459d8-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_e62cff4c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CommonStockValue_e62cff4c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_e31bf3b2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_e31bf3b2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_fdef0d3c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_TreasuryStockValue_fdef0d3c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e2cdfc7a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e2cdfc7a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f62c5e7e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_00bf81f4-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f62c5e7e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5378c74-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5378c74-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations" xlink:label="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_e552f3f6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_e552f3f6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesFromCustomers" xlink:label="loc_us-gaap_ReceivablesFromCustomers_f4e095b2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ReceivablesFromCustomers_f4e095b2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations" xlink:label="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_0d60ad7a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_0d60ad7a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_f0226d70-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_HeldToMaturitySecurities_f0226d70-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuritiesBorrowed" xlink:label="loc_us-gaap_SecuritiesBorrowed_f7229f3c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SecuritiesBorrowed_f7229f3c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReceivable" xlink:label="loc_us-gaap_IncomeTaxReceivable_ecff01f8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeTaxReceivable_ecff01f8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_fe9f9a08-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_fe9f9a08-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Goodwill_edd3f2e6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_edcf1a64-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_edcf1a64-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_0973d714-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_fa7db8f6-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherAssets_0973d714-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_089c4d08-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_089c4d08-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_Expenses" xlink:label="loc_lpla_Expenses_fc1e5076-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_Expenses_fc1e5076-dd6d-11e0-8c71-12313b06a4a2" xlink:to="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_CommissionsAndAdvisoryFees" xlink:label="loc_lpla_CommissionsAndAdvisoryFees_fc1e9b58-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_CommissionsAndAdvisoryFees_fc1e9b58-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_eea8077a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LaborAndRelatedExpense_eea8077a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_PromotionalExpenses" xlink:label="loc_lpla_PromotionalExpenses_fc18235e-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_PromotionalExpenses_fc18235e-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_e83bd45c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DepreciationAndAmortization_e83bd45c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OccupancyNet" xlink:label="loc_us-gaap_OccupancyNet_f0e1201c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OccupancyNet_f0e1201c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaap_ProfessionalFees_f10dca72-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ProfessionalFees_f10dca72-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:label="loc_us-gaap_FloorBrokerageExchangeAndClearanceFees_ebad7582-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FloorBrokerageExchangeAndClearanceFees_ebad7582-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommunicationsAndInformationTechnology" xlink:label="loc_us-gaap_CommunicationsAndInformationTechnology_f0e01ad2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CommunicationsAndInformationTechnology_f0e01ad2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_RegulatoryFeesAndExpenses" xlink:label="loc_lpla_RegulatoryFeesAndExpenses_fc1d26ba-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_RegulatoryFeesAndExpenses_fc1d26ba-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_f5f7b598-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_RestructuringCharges_f5f7b598-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherExpenses" xlink:label="loc_us-gaap_OtherExpenses_018b6f44-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_ff41c85a-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherExpenses_018b6f44-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseSubordinatedNotesAndDebentures" xlink:label="loc_us-gaap_InterestExpenseSubordinatedNotesAndDebentures_ee0f24ba-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_Expenses_fc1e5076-dd6d-11e0-8c71-12313b06a4a2" xlink:to="loc_us-gaap_InterestExpenseSubordinatedNotesAndDebentures_ee0f24ba-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_ec62243c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_Expenses_fc1e5076-dd6d-11e0-8c71-12313b06a4a2" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_ec62243c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BrokerageCommissionsRevenue" xlink:label="loc_us-gaap_BrokerageCommissionsRevenue_e4b0eee4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_BrokerageCommissionsRevenue_e4b0eee4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentAdvisoryFees" xlink:label="loc_us-gaap_InvestmentAdvisoryFees_ee89ef56-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InvestmentAdvisoryFees_ee89ef56-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_AssetBasedFees" xlink:label="loc_lpla_AssetBasedFees_fc1c8dae-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_AssetBasedFees_fc1c8dae-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_TransactionAndOtherFees" xlink:label="loc_lpla_TransactionAndOtherFees_fc17da3e-dd6d-11e0-8c71-12313b06a4a2" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_TransactionAndOtherFees_fc17da3e-dd6d-11e0-8c71-12313b06a4a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_f0b4a91a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_f0b4a91a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_01bcbe5a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_f19751c0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherIncome_01bcbe5a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_e63cc850-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_e63cc850-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease_f1c39622-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_e63cc850-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease_f1c39622-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/EarningsPerShare" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/EarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f986d78e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_f98757ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f986d78e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_f98757ea-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f9898fce-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_f986d78e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f9898fce-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_f0affe56-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities" xlink:label="loc_us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities_0e93a530-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_f0affe56-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities_0e93a530-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_f0affe56-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0463b780-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0463b780-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_NetIncomeLoss_f0af6c2a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_UndistributedEarningsAllocatedToParticipatingSecuritiesDiluted" xlink:label="loc_lpla_UndistributedEarningsAllocatedToParticipatingSecuritiesDiluted_fc147b91-a91e-23f6-dede-101c03163872" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_0463b780-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_UndistributedEarningsAllocatedToParticipatingSecuritiesDiluted_fc147b91-a91e-23f6-dede-101c03163872" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/EarningsPerShareDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/EarningsPerShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/EmployeeAndAdvisorBenefitPlans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/EmployeeAndAdvisorBenefitPlansDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FairValueMeasurements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FixedAssets" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FixedAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedComputerSoftwareGross" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareGross_e5266192-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareGross_e5266192-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_ComputersAndSoftware" xlink:label="loc_lpla_ComputersAndSoftware_c822b806-5f1e-11e1-ba93-1231380dc193" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_ComputersAndSoftware_c822b806-5f1e-11e1-ba93-1231380dc193" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_eeb049c6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LeaseholdImprovementsGross_eeb049c6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="loc_us-gaap_FurnitureAndFixturesGross_ec1c2900-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FurnitureAndFixturesGross_ec1c2900-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_eea8da10-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_f43d4286-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_Land_eea8da10-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e2d13566-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f43e00ea-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_e2d13566-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/FixedAssetsDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FixedAssetsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/GoodwillAndIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_edd0f4f6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_edd0f4f6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_e2cbd8dc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_edd1cd86-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_e2cbd8dc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/GoodwillAndIntangibleAssetsGoodwillDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/GoodwillAndIntangibleAssetsIntangibleAssetsDetails2" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/HeldToMaturitySecurities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_fa3b75f4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_f0226d70-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_fa3b75f4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_HeldToMaturitySecurities_f0226d70-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldtomaturitySecuritiesUnrecognizedHoldingGain" xlink:label="loc_us-gaap_HeldtomaturitySecuritiesUnrecognizedHoldingGain_0d2e9830-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_fa3b75f4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_HeldtomaturitySecuritiesUnrecognizedHoldingGain_0d2e9830-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValue_fa6bcb50-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="lpla-20111231.xsd#lpla_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue" xlink:label="loc_lpla_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue_769f1969-7fe8-afc1-12ca-101c0316087a" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValue_fa6bcb50-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue_769f1969-7fe8-afc1-12ca-101c0316087a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_fa689502-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValue_fa6bcb50-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_fa689502-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_0139f66e-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="lpla-20111231.xsd#lpla_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount" xlink:label="loc_lpla_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount_905ce9e5-cb2b-9083-285c-101c03168c5a" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_0139f66e-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughThreeYearsNetCarryingAmount_905ce9e5-cb2b-9083-285c-101c03168c5a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_013778f8-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_0139f66e-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_013778f8-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/HeldToMaturitySecuritiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e7054d48-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e7054d48-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_e70f02f2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_e7065378-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_e70f02f2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_0106fc64-2586-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e7784a96-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e7784a96-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_e791e3f2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e77bd6fc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_e791e3f2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesDetails1" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_eab8ed00-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_eab8ed00-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_eac3e4da-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_eac3e4da-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_EffectiveIncomeTaxRateReconciliationTransactionCosts" xlink:label="loc_lpla_EffectiveIncomeTaxRateReconciliationTransactionCosts_3cb02b2a-ea10-3051-074b-101c03162c18" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_EffectiveIncomeTaxRateReconciliationTransactionCosts_3cb02b2a-ea10-3051-074b-101c03162c18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_ea16f5d6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_ea16f5d6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_ea274d46-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_ea274d46-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_eabc2ace-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_eabc2ace-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_eab83216-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_eab83216-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_eabb8cea-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_eabb8cea-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_ea25785e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_ea1575d0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_ea25785e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_e79d53cc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_e79e9f70-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_e79d53cc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_e79e9f70-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_e79e9f70-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent_e7d8b390-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent_e7d8b390-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsDerivativeInstruments" xlink:label="loc_us-gaap_DeferredTaxAssetsDerivativeInstruments_e796b846-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsDerivativeInstruments_e796b846-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_e7d15e24-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_e7d15e24-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_e7d5c392-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_e7d5c392-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_e7a199b4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_e7a199b4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments_e7d086b6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments_e7d086b6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_e79f2cb0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_e79f2cb0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_e7a229e2-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_e797f440-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_e7a229e2-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e7e955ce-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_e79e9f70-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e7e955ce-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_e80c403e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_e79d53cc-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxLiabilities_e80c403e-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_e80c1334-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_e80c403e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_e80c1334-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_0103a9ba-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_e80c403e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_0103a9ba-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesDetails3" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IncomeTaxesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/Indebtedness" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IndebtednessDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IndebtednessDetails1" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IndebtednessDetails2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_efc50df6-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_efc50df6-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_efc5e3d4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_efc5e3d4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_efc5ac2a-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_efc5ac2a-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_efc56f1c-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_efc56f1c-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_efc53dbc-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_efc53dbc-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_efc4de80-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_efc8f358-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_efc4de80-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/IndebtednessDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IndebtednessTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/IntangibleAssetsDetails1" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearOne_ec1ea068-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FutureAmortizationExpenseYearOne_ec1ea068-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearTwo_ec2018e4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FutureAmortizationExpenseYearTwo_ec2018e4-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearThree_ec1f5d28-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FutureAmortizationExpenseYearThree_ec1f5d28-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearFour_ec1e00e0-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FutureAmortizationExpenseYearFour_ec1e00e0-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FutureAmortizationExpenseYearFive_ec1d63d8-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FutureAmortizationExpenseYearFive_ec1d63d8-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FutureAmortizationExpenseAfterYearFive_08fa3c6a-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense_eba7bac0-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_FutureAmortizationExpenseAfterYearFive_08fa3c6a-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/IntangibleAssetsDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/InterestRateSwaps" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/InterestRateSwapsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/OrganizationAndDescriptionOfCompany" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/OrganizationAndDescriptionOfCompanyDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizations" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations" xlink:label="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommissionsAndFloorBrokerageReceivables" xlink:label="loc_us-gaap_CommissionsAndFloorBrokerageReceivables_01feded4-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_CommissionsAndFloorBrokerageReceivables_01feded4-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuritiesFailedToDeliver" xlink:label="loc_us-gaap_SecuritiesFailedToDeliver_020086da-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SecuritiesFailedToDeliver_020086da-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_ReceivableFromBrokerDealers" xlink:label="loc_lpla_ReceivableFromBrokerDealers_f29f5583-cb5a-efc2-a214-101c03164b4f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_ReceivableFromBrokerDealers_f29f5583-cb5a-efc2-a214-101c03164b4f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesFromClearingOrganizations" xlink:label="loc_us-gaap_ReceivablesFromClearingOrganizations_01fb5322-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_fefe4e5e-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_ReceivablesFromClearingOrganizations_01fb5322-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PayablesToBrokerDealersAndClearingOrganizations" xlink:label="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <loc xlink:href="lpla-20111231.xsd#lpla_PayableToClearingOrganizations" xlink:label="loc_lpla_PayableToClearingOrganizations_f643e9d7-1d98-87bb-6657-101c03161968" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_PayableToClearingOrganizations_f643e9d7-1d98-87bb-6657-101c03161968" xlink:type="arc" />
    <loc xlink:href="lpla-20111231.xsd#lpla_PayableToBrokerDealers" xlink:label="loc_lpla_PayableToBrokerDealers_931aa5f5-e6d2-048c-34e4-101c031681fc" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_lpla_PayableToBrokerDealers_931aa5f5-e6d2-048c-34e4-101c031681fc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuritiesFailedToReceive" xlink:label="loc_us-gaap_SecuritiesFailedToReceive_020129fa-2586-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_SecuritiesFailedToReceive_020129fa-2586-11e0-bc05-7b821c07cce9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepositsReceivedForSecuritiesLoanedAtCarryingValue" xlink:label="loc_us-gaap_DepositsReceivedForSecuritiesLoanedAtCarryingValue_e837f918-2585-11e0-bc05-7b821c07cce9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_f26727c4-2585-11e0-bc05-7b821c07cce9" xlink:to="loc_us-gaap_DepositsReceivedForSecuritiesLoanedAtCarryingValue_e837f918-2585-11e0-bc05-7b821c07cce9" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RelatedPartyTransactions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/Restructuring" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestructuringTableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestructuringTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SelectedQuarterlyFinancialDataDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SelectedQuarterlyFinancialDataUnaudited" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SelectedQuarterlyFinancialDataUnauditedTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationDetails1" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationDetails2" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationDetails3" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SubsequentEvents" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SubsequentEventsSubsequentEventsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesDraftsPayableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesEquityMethodInvestmentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFixedAssetsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesIntangiblesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesOtherOperatingExpenseDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReceivablesFromAndPayablesToClientsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReceivablesFromOthersDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesSecuritiesBorrowedAndLoanedDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
</linkbase>
</XBRL>
