<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<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/CommitmentsAndContingencies" xlink:href="lpla-20150930.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesLegalDetails" xlink:href="lpla-20150930.xsd#CommitmentsAndContingenciesCommitmentsAndContingenciesLegalDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesOtherCommitmentsDetails" xlink:href="lpla-20150930.xsd#CommitmentsAndContingenciesCommitmentsAndContingenciesOtherCommitmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesSelfInsuranceLiabilitiesDetails" xlink:href="lpla-20150930.xsd#CommitmentsAndContingenciesCommitmentsAndContingenciesSelfInsuranceLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesLeasesDetails" xlink:href="lpla-20150930.xsd#CommitmentsAndContingenciesLeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParentheticals" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParentheticals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfFinancialConditionUnaudited" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfFinancialConditionUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfFinancialConditionUnauditedParentheticals" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfFinancialConditionUnauditedParentheticals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/CondensedConsolidatedStatementsOfStockholdersEquityUnaudited" xlink:href="lpla-20150930.xsd#CondensedConsolidatedStatementsOfStockholdersEquityUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/Debt" xlink:href="lpla-20150930.xsd#Debt" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DebtCreditAgreementOutstandingdetails" xlink:href="lpla-20150930.xsd#DebtCreditAgreementOutstandingdetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DebtCreditAgreementTextualsdetails" xlink:href="lpla-20150930.xsd#DebtCreditAgreementTextualsdetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DebtDebtBankLoansPayableTextualsDetails" xlink:href="lpla-20150930.xsd#DebtDebtBankLoansPayableTextualsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DebtTables" xlink:href="lpla-20150930.xsd#DebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DerivativeFinancialInstruments" xlink:href="lpla-20150930.xsd#DerivativeFinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDetails" xlink:href="lpla-20150930.xsd#DerivativeFinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDetails1" xlink:href="lpla-20150930.xsd#DerivativeFinancialInstrumentsDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDetailsTextuals" xlink:href="lpla-20150930.xsd#DerivativeFinancialInstrumentsDetailsTextuals" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsTables" xlink:href="lpla-20150930.xsd#DerivativeFinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/DocumentAndEntityInformationDocument" xlink:href="lpla-20150930.xsd#DocumentAndEntityInformationDocument" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShare" xlink:href="lpla-20150930.xsd#EarningsPerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShareDetails" xlink:href="lpla-20150930.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShareTables" xlink:href="lpla-20150930.xsd#EarningsPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/EarningsPerShareTextualsDetails" xlink:href="lpla-20150930.xsd#EarningsPerShareTextualsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurements" xlink:href="lpla-20150930.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails" xlink:href="lpla-20150930.xsd#FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FairValueMeasurementsTables" xlink:href="lpla-20150930.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk" xlink:href="lpla-20150930.xsd#FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/GoodwillAndOtherIntangibleAssets" xlink:href="lpla-20150930.xsd#GoodwillAndOtherIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecurities" xlink:href="lpla-20150930.xsd#HeldToMaturitySecurities" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails" xlink:href="lpla-20150930.xsd#HeldToMaturitySecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1" xlink:href="lpla-20150930.xsd#HeldToMaturitySecuritiesDetails1" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1Calc2" xlink:href="lpla-20150930.xsd#HeldToMaturitySecuritiesDetails1Calc2" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesTables" xlink:href="lpla-20150930.xsd#HeldToMaturitySecuritiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxes" xlink:href="lpla-20150930.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/IncomeTaxesDetails" xlink:href="lpla-20150930.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirements" xlink:href="lpla-20150930.xsd#NetCapitalAndRegulatoryRequirements" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsDetails" xlink:href="lpla-20150930.xsd#NetCapitalAndRegulatoryRequirementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsTables" xlink:href="lpla-20150930.xsd#NetCapitalAndRegulatoryRequirementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/OrganizationAndDescriptionOfCompany" xlink:href="lpla-20150930.xsd#OrganizationAndDescriptionOfCompany" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RelatedPartyTransactions" xlink:href="lpla-20150930.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RelatedPartyTransactionsDetails" xlink:href="lpla-20150930.xsd#RelatedPartyTransactionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestrictedStockActivityDetails" xlink:href="lpla-20150930.xsd#RestrictedStockActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/Restructuring" xlink:href="lpla-20150930.xsd#Restructuring" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestructuringDetails" xlink:href="lpla-20150930.xsd#RestructuringDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestructuringRestructuringTableFortigentDetails" xlink:href="lpla-20150930.xsd#RestructuringRestructuringTableFortigentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestructuringTableSvcDetails" xlink:href="lpla-20150930.xsd#RestructuringTableSvcDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/RestructuringTables" xlink:href="lpla-20150930.xsd#RestructuringTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensation" xlink:href="lpla-20150930.xsd#ShareBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationOutstandingStockOptionsAndWarrantInformationDetails" xlink:href="lpla-20150930.xsd#ShareBasedCompensationOutstandingStockOptionsAndWarrantInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationStockOptionAndWarrantActivityDetails" xlink:href="lpla-20150930.xsd#ShareBasedCompensationStockOptionAndWarrantActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationStockOptionAndWarrantAssumptionsDetails" xlink:href="lpla-20150930.xsd#ShareBasedCompensationStockOptionAndWarrantAssumptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationTables" xlink:href="lpla-20150930.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/ShareBasedCompensationTexualsDetails" xlink:href="lpla-20150930.xsd#ShareBasedCompensationTexualsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/StockholdersEquity" xlink:href="lpla-20150930.xsd#StockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/StockholdersEquityDividendsPaidDetails" xlink:href="lpla-20150930.xsd#StockholdersEquityDividendsPaidDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/StockholdersEquityTables" xlink:href="lpla-20150930.xsd#StockholdersEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/StockholdesEquityShareRepurchasesDetails" xlink:href="lpla-20150930.xsd#StockholdesEquityShareRepurchasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SubsequentEvents" xlink:href="lpla-20150930.xsd#SubsequentEvents" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SubsequentEventsSubsequentEventsDetails" xlink:href="lpla-20150930.xsd#SubsequentEventsSubsequentEventsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="lpla-20150930.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" xlink:href="lpla-20150930.xsd#SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="lpla-20150930.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReportableSegmentDetails" xlink:href="lpla-20150930.xsd#SummaryOfSignificantAccountingPoliciesReportableSegmentDetails" xlink:type="simple" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesLegalDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesOtherCommitmentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesSelfInsuranceLiabilitiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CommitmentsAndContingenciesLeasesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_eacd1e25-d59d-a3b6-a15a-f5d867179d3e" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_DepreciationAndAmortization_eacd1e25-d59d-a3b6-a15a-f5d867179d3e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_9b0336f3-1570-e518-771d-91dfd9dbbc96" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_9b0336f3-1570-e518-771d-91dfd9dbbc96" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_d4c99b59-c44a-c4ac-309f-0bddfdb944a5" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_ShareBasedCompensation_d4c99b59-c44a-c4ac-309f-0bddfdb944a5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_b841fb4f-3c0e-cd5c-bbc1-86e011a106f2" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_b841fb4f-3c0e-cd5c-bbc1-86e011a106f2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_030f5c40-af7e-2a00-2417-01509e80b7e6" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_030f5c40-af7e-2a00-2417-01509e80b7e6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b437d2d-6bbf-1f71-a341-6d3ac2b36703" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b437d2d-6bbf-1f71-a341-6d3ac2b36703" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_LoanForgiveness" xlink:label="loc_lpla_LoanForgiveness_90a37fc3-df9e-104b-3153-e90d61f35386" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_lpla_LoanForgiveness_90a37fc3-df9e-104b-3153-e90d61f35386" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_8a9fbf97-3c14-4351-6d6b-553e136a9df1" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_8a9fbf97-3c14-4351-6d6b-553e136a9df1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities_0392959e-ddbc-b3c5-0759-16a65d2bbeb4" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities_0392959e-ddbc-b3c5-0759-16a65d2bbeb4" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_IncreaseDecreaseReceivablesFromClients" xlink:label="loc_lpla_IncreaseDecreaseReceivablesFromClients_f40faf49-d96b-5eb4-4100-e90d617b620b" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_lpla_IncreaseDecreaseReceivablesFromClients_f40faf49-d96b-5eb4-4100-e90d617b620b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInBrokerageReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInBrokerageReceivables_cc0d7c3c-a781-5b9c-fbd7-349c35e46d78" xlink:type="locator" />
    <calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInBrokerageReceivables_cc0d7c3c-a781-5b9c-fbd7-349c35e46d78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherReceivables_b1bfd59c-8c12-99cd-0690-4e83fa622f0e" xlink:type="locator" />
    <calculationArc order="13" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherReceivables_b1bfd59c-8c12-99cd-0690-4e83fa622f0e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInTradingSecurities" xlink:label="loc_us-gaap_IncreaseDecreaseInTradingSecurities_6593554b-0a2a-7d0b-6219-b45659eb63d1" xlink:type="locator" />
    <calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInTradingSecurities_6593554b-0a2a-7d0b-6219-b45659eb63d1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInSecuritiesBorrowed" xlink:label="loc_us-gaap_IncreaseDecreaseInSecuritiesBorrowed_f8baf389-cde4-1397-0cd7-6b31d24bca6a" xlink:type="locator" />
    <calculationArc order="15" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInSecuritiesBorrowed_f8baf389-cde4-1397-0cd7-6b31d24bca6a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_6726a997-b874-a6f6-d79f-e0a4bde49905" xlink:type="locator" />
    <calculationArc order="16" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_6726a997-b874-a6f6-d79f-e0a4bde49905" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities" xlink:label="loc_lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities_bfff8b79-e1c7-76a8-af5c-e90d6126b291" xlink:type="locator" />
    <calculationArc order="17" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities_bfff8b79-e1c7-76a8-af5c-e90d6126b291" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_IncreaseDecreasePayablesToClients" xlink:label="loc_lpla_IncreaseDecreasePayablesToClients_a3bb0f7d-8fa0-6245-4c23-e90d61726231" xlink:type="locator" />
    <calculationArc order="18" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_lpla_IncreaseDecreasePayablesToClients_a3bb0f7d-8fa0-6245-4c23-e90d61726231" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInPayablesToBrokerDealers" xlink:label="loc_us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_874e77c6-fa66-2a64-2162-023ce8a344e6" xlink:type="locator" />
    <calculationArc order="19" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_874e77c6-fa66-2a64-2162-023ce8a344e6" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable" xlink:label="loc_lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable_5c6cabb0-71ae-f11f-3498-e90d6106c9db" xlink:type="locator" />
    <calculationArc order="20" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable_5c6cabb0-71ae-f11f-3498-e90d6106c9db" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_560659f4-b0e9-f2a5-9b69-760dcc1a16c4" xlink:type="locator" />
    <calculationArc order="21" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_560659f4-b0e9-f2a5-9b69-760dcc1a16c4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_a1dca8d0-4915-bcb3-b183-fddc2a39a86e" xlink:type="locator" />
    <calculationArc order="22" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_a1dca8d0-4915-bcb3-b183-fddc2a39a86e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_ccf69244-7aaf-19cf-90d6-269f163732c4" xlink:type="locator" />
    <calculationArc order="23" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_ccf69244-7aaf-19cf-90d6-269f163732c4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased" xlink:label="loc_us-gaap_IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased_fd1ee2c5-c0d0-215c-0059-04df6859e491" xlink:type="locator" />
    <calculationArc order="24" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased_fd1ee2c5-c0d0-215c-0059-04df6859e491" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_386292ff-155c-0309-455a-2b91b395b3da" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_386292ff-155c-0309-455a-2b91b395b3da" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessTwoNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessTwoNetOfCashAcquired_00b84bde-d636-a26f-337a-d07f4a2541db" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessTwoNetOfCashAcquired_00b84bde-d636-a26f-337a-d07f4a2541db" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_e82bcd30-c4c7-e87f-fbd2-e7f833c647f6" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_e82bcd30-c4c7-e87f-fbd2-e7f833c647f6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_ebd4058b-d80a-7a7e-6162-cba84467d264" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_ebd4058b-d80a-7a7e-6162-cba84467d264" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_f92f9966-d7f2-f3fe-dbca-0adcb2ce8fe4" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_f92f9966-d7f2-f3fe-dbca-0adcb2ce8fe4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseInRestrictedCash" xlink:label="loc_us-gaap_IncreaseInRestrictedCash_a58f2e85-3c1c-6594-fb96-59b9fa23ed49" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_IncreaseInRestrictedCash_a58f2e85-3c1c-6594-fb96-59b9fa23ed49" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DecreaseInRestrictedCash" xlink:label="loc_us-gaap_DecreaseInRestrictedCash_586be5d9-b171-993b-d7d4-6ad04eabf7fe" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_DecreaseInRestrictedCash_586be5d9-b171-993b-d7d4-6ad04eabf7fe" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_81d0ae3f-e738-f6fb-21c9-dd06a4ef95fd" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_81d0ae3f-e738-f6fb-21c9-dd06a4ef95fd" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_f5a241f9-04d4-309b-9b65-a2b4145507c8" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_f5a241f9-04d4-309b-9b65-a2b4145507c8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_03b01b21-9333-5ba7-dbad-c8702c225fae" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_03b01b21-9333-5ba7-dbad-c8702c225fae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_2660b777-f313-aa0f-f2f0-b727ebbc5b13" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_2660b777-f313-aa0f-f2f0-b727ebbc5b13" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_4c2e87e5-41d0-b35b-6dfd-e3ab5b253709" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_4c2e87e5-41d0-b35b-6dfd-e3ab5b253709" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_5b0f2507-08ae-f801-3f6d-c08e20fbe336" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_PaymentsOfDividends_5b0f2507-08ae-f801-3f6d-c08e20fbe336" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9dbeb004-67a9-1b19-c357-8b5cbf0013ee" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9dbeb004-67a9-1b19-c357-8b5cbf0013ee" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_f1b85fa1-97cd-57cc-5318-fb8dd976eb81" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_f1b85fa1-97cd-57cc-5318-fb8dd976eb81" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:to="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_57f718b6-d463-a1a8-7fd5-83810f6bedf1" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_57f718b6-d463-a1a8-7fd5-83810f6bedf1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_65cbf966-17f1-6b91-ff34-d36adae843af" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_e716acb8-9d7f-1564-a267-c0491db420a5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_65cbf966-17f1-6b91-ff34-d36adae843af" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParentheticals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfFinancialConditionUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd34decb-53b6-e0a9-28d5-0a9741c4b0f8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd34decb-53b6-e0a9-28d5-0a9741c4b0f8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations" xlink:label="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_28c31f4b-7906-e31f-d700-a3a151d9821d" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations_28c31f4b-7906-e31f-d700-a3a151d9821d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_cce5de4c-6ae2-6f2d-0366-65c00dc12b6e" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_cce5de4c-6ae2-6f2d-0366-65c00dc12b6e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReceivablesFromCustomers" xlink:label="loc_us-gaap_ReceivablesFromCustomers_1ef29744-ca0b-4a0f-e3fb-618503438fa8" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_ReceivablesFromCustomers_1ef29744-ca0b-4a0f-e3fb-618503438fa8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations" xlink:label="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_1a4d5b45-5a0d-b2d9-990d-ed24bbb5c3f1" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_1a4d5b45-5a0d-b2d9-990d-ed24bbb5c3f1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_dad081f0-7826-fec4-b9cf-02c7c84001eb" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_dad081f0-7826-fec4-b9cf-02c7c84001eb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_3f671bfc-60c0-0a2b-41e7-ed1b6f79efe9" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_TradingSecurities_3f671bfc-60c0-0a2b-41e7-ed1b6f79efe9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_dc9ab788-1325-e87d-3a64-3e6d4b46b9de" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_HeldToMaturitySecurities_dc9ab788-1325-e87d-3a64-3e6d4b46b9de" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuritiesBorrowed" xlink:label="loc_us-gaap_SecuritiesBorrowed_c81235b1-73fa-bd78-2ad6-29bc49c32218" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_SecuritiesBorrowed_c81235b1-73fa-bd78-2ad6-29bc49c32218" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxReceivable" xlink:label="loc_us-gaap_IncomeTaxReceivable_b200cccf-62bf-e159-c8ed-6805bea45978" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_IncomeTaxReceivable_b200cccf-62bf-e159-c8ed-6805bea45978" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7ce178a4-245f-fa78-36a1-552609a67554" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7ce178a4-245f-fa78-36a1-552609a67554" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_b6eb3510-fd90-8539-ccd5-c3aa7fa8b8ea" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_b6eb3510-fd90-8539-ccd5-c3aa7fa8b8ea" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_b108d604-1348-4e65-3817-2944b734c65a" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_Goodwill_b108d604-1348-4e65-3817-2944b734c65a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_894a128f-2068-d267-1e3e-64c93d0ed5ca" xlink:type="locator" />
    <calculationArc order="14" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_894a128f-2068-d267-1e3e-64c93d0ed5ca" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_b3090934-8a46-705d-b2a1-f192f64fe191" xlink:type="locator" />
    <calculationArc order="15" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_OtherAssets_b3090934-8a46-705d-b2a1-f192f64fe191" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DraftsPayable" xlink:label="loc_us-gaap_DraftsPayable_65c6bfb5-a13a-219b-99ab-3b306c878331" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_DraftsPayable_65c6bfb5-a13a-219b-99ab-3b306c878331" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PayablesToCustomers" xlink:label="loc_us-gaap_PayablesToCustomers_4b3de5b0-1ee5-9f1d-38ec-894822785f1b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_PayablesToCustomers_4b3de5b0-1ee5-9f1d-38ec-894822785f1b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PayablesToBrokerDealersAndClearingOrganizations" xlink:label="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_607980b3-a517-1ff0-71ef-e1f0583868c0" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_PayablesToBrokerDealersAndClearingOrganizations_607980b3-a517-1ff0-71ef-e1f0583868c0" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_AccruedCommissionsAndAdvisoryFeesPayable" xlink:label="loc_lpla_AccruedCommissionsAndAdvisoryFeesPayable_5b0481d7-cddd-c057-e202-e90d62519af5" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_lpla_AccruedCommissionsAndAdvisoryFeesPayable_5b0481d7-cddd-c057-e202-e90d62519af5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_fcd278b6-8e24-0a5d-971d-6bcafdcb6d74" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_fcd278b6-8e24-0a5d-971d-6bcafdcb6d74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_a33614ee-2047-2d07-d4dc-cd97b29aa0eb" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_DeferredRevenueCurrent_a33614ee-2047-2d07-d4dc-cd97b29aa0eb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xlink:label="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue_c14f3427-abd4-eae1-b90a-941a759d4006" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue_c14f3427-abd4-eae1-b90a-941a759d4006" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_9210187e-cdda-2312-446f-000237db141c" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_LongTermDebt_9210187e-cdda-2312-446f-000237db141c" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_LeaseholdFinancingObligation" xlink:label="loc_lpla_LeaseholdFinancingObligation_D18C30ADE82624F2FABADC47757F4FDF" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_lpla_LeaseholdFinancingObligation_D18C30ADE82624F2FABADC47757F4FDF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_c8254411-d926-1d55-69ee-0146c04f6216" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_c8254411-d926-1d55-69ee-0146c04f6216" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_ce40a301-9b6b-9fc3-bfb6-dfbb8fcdf29b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_CommonStockValue_ce40a301-9b6b-9fc3-bfb6-dfbb8fcdf29b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_8d1ec446-d346-e57d-d34b-0cb90bceaaba" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_8d1ec446-d346-e57d-d34b-0cb90bceaaba" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_0b2a392d-b5d5-0c30-4a0c-bcaab86d8160" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_TreasuryStockValue_0b2a392d-b5d5-0c30-4a0c-bcaab86d8160" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1d565cd0-d7bf-de89-4dbe-a484007b1fe8" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1d565cd0-d7bf-de89-4dbe-a484007b1fe8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_dd6b7206-c19f-4dd5-339b-1369c57cfe0f" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_dd6b7206-c19f-4dd5-339b-1369c57cfe0f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfFinancialConditionUnauditedParentheticals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BrokerageCommissionsRevenue" xlink:label="loc_us-gaap_BrokerageCommissionsRevenue_913d2284-53dc-4c99-a4d3-99c549a48985" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:to="loc_us-gaap_BrokerageCommissionsRevenue_913d2284-53dc-4c99-a4d3-99c549a48985" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentAdvisoryFees" xlink:label="loc_us-gaap_InvestmentAdvisoryFees_0aabdbcf-108a-9577-95e0-bac62a11998c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:to="loc_us-gaap_InvestmentAdvisoryFees_0aabdbcf-108a-9577-95e0-bac62a11998c" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_AssetBasedFees" xlink:label="loc_lpla_AssetBasedFees_74cdc157-0018-478a-e28d-e90d6288c7d0" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:to="loc_lpla_AssetBasedFees_74cdc157-0018-478a-e28d-e90d6288c7d0" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_TransactionAndOtherFees" xlink:label="loc_lpla_TransactionAndOtherFees_448bb652-4e14-4deb-ee62-e90d613de413" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:to="loc_lpla_TransactionAndOtherFees_448bb652-4e14-4deb-ee62-e90d613de413" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_527c12c4-da91-1a35-28f0-53b7f2c0b184" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_527c12c4-da91-1a35-28f0-53b7f2c0b184" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_476ebd77-c25d-e84b-ebde-5a5c1e7a8b99" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ba59260a-e348-d7f8-5375-fde11baf79c1" xlink:to="loc_us-gaap_OtherIncome_476ebd77-c25d-e84b-ebde-5a5c1e7a8b99" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_Expenses" xlink:label="loc_lpla_Expenses_4cb65c9f-7d28-1e9d-dce2-e90d62b5df58" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_Expenses_4cb65c9f-7d28-1e9d-dce2-e90d62b5df58" xlink:to="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_CommissionsAndAdvisoryFees" xlink:label="loc_lpla_CommissionsAndAdvisoryFees_8fdb29f3-053a-b25e-5b2d-e90d62499bb7" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_lpla_CommissionsAndAdvisoryFees_8fdb29f3-053a-b25e-5b2d-e90d62499bb7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_eae5f7af-8c00-e315-7382-101bb9d749cf" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_LaborAndRelatedExpense_eae5f7af-8c00-e315-7382-101bb9d749cf" xlink:type="arc" />
    <loc xlink:href="lpla-20150930.xsd#lpla_PromotionalExpenses" xlink:label="loc_lpla_PromotionalExpenses_e44ebcfa-2053-3c67-0d72-e90d61dcac93" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_lpla_PromotionalExpenses_e44ebcfa-2053-3c67-0d72-e90d61dcac93" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_eacd1e25-d59d-a3b6-a15a-f5d867179d3e" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_DepreciationAndAmortization_eacd1e25-d59d-a3b6-a15a-f5d867179d3e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OccupancyNet" xlink:label="loc_us-gaap_OccupancyNet_80c1188c-08fe-1dab-8ca6-793a3bb1c150" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_OccupancyNet_80c1188c-08fe-1dab-8ca6-793a3bb1c150" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaap_ProfessionalFees_db3dfa4c-27c9-8956-2231-3b37d977abae" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_ProfessionalFees_db3dfa4c-27c9-8956-2231-3b37d977abae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:label="loc_us-gaap_FloorBrokerageExchangeAndClearanceFees_ce4bf132-1714-fff9-5ac0-688aace64e67" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_FloorBrokerageExchangeAndClearanceFees_ce4bf132-1714-fff9-5ac0-688aace64e67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommunicationsAndInformationTechnology" xlink:label="loc_us-gaap_CommunicationsAndInformationTechnology_73018ff3-00a0-fc3c-49c8-ad6bfff44863" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_CommunicationsAndInformationTechnology_73018ff3-00a0-fc3c-49c8-ad6bfff44863" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_9eeada2d-bc9c-ffca-e02d-8e9d67d5416e" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_RestructuringCharges_9eeada2d-bc9c-ffca-e02d-8e9d67d5416e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherExpenses" xlink:label="loc_us-gaap_OtherExpenses_42f84592-28a2-4a8a-0c4b-e35a15b31ef2" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_8281466b-86c7-ec9c-c7fc-3723705ba526" xlink:to="loc_us-gaap_OtherExpenses_42f84592-28a2-4a8a-0c4b-e35a15b31ef2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseSubordinatedNotesAndDebentures" xlink:label="loc_us-gaap_InterestExpenseSubordinatedNotesAndDebentures_d7548b01-2618-f75a-7aec-ef7b61830496" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_Expenses_4cb65c9f-7d28-1e9d-dce2-e90d62b5df58" xlink:to="loc_us-gaap_InterestExpenseSubordinatedNotesAndDebentures_d7548b01-2618-f75a-7aec-ef7b61830496" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_579a2a05-20b3-ca98-9d6b-7595046298be" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_lpla_Expenses_4cb65c9f-7d28-1e9d-dce2-e90d62b5df58" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_579a2a05-20b3-ca98-9d6b-7595046298be" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/CondensedConsolidatedStatementsOfStockholdersEquityUnaudited" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/Debt" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DebtCreditAgreementOutstandingdetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DebtCreditAgreementTextualsdetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DebtDebtBankLoansPayableTextualsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DebtTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DerivativeFinancialInstruments" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DerivativeFinancialInstrumentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DerivativeFinancialInstrumentsDetails1" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DerivativeFinancialInstrumentsDetailsTextuals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DerivativeFinancialInstrumentsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/DocumentAndEntityInformationDocument" 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/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_58a1745d-db2b-3ff9-104d-4b3f9664d3ce" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_58a1745d-db2b-3ff9-104d-4b3f9664d3ce" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8afbf9ec-40f2-ac04-dde9-64f96fdfbf74" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8afbf9ec-40f2-ac04-dde9-64f96fdfbf74" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/EarningsPerShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/EarningsPerShareTextualsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/FairValueMeasurements" 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/GoodwillAndOtherIntangibleAssets" 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" />
  <calculationLink xlink:role="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_19e0514a-879a-3e25-efe8-95aa33d97af6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_dc1dfb00-f9e2-ec67-d615-f239e28f2a30" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_19e0514a-879a-3e25-efe8-95aa33d97af6" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_dc1dfb00-f9e2-ec67-d615-f239e28f2a30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_90166c72-325b-dc16-0558-0761fafda68e" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_19e0514a-879a-3e25-efe8-95aa33d97af6" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_90166c72-325b-dc16-0558-0761fafda68e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_0c52d5b2-3b8b-05af-f653-b0ec1040b2c2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_19e0514a-879a-3e25-efe8-95aa33d97af6" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_0c52d5b2-3b8b-05af-f653-b0ec1040b2c2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_dc9ab788-1325-e87d-3a64-3e6d4b46b9de" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_7effec28-9d59-3fc5-2423-56fa2efcc5b7" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_dc9ab788-1325-e87d-3a64-3e6d4b46b9de" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount_7effec28-9d59-3fc5-2423-56fa2efcc5b7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount_cc28f2b8-2a9c-249c-d716-abca77cf6305" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_dc9ab788-1325-e87d-3a64-3e6d4b46b9de" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount_cc28f2b8-2a9c-249c-d716-abca77cf6305" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount_270134d0-0321-8d8d-2bb2-11e43ae653e8" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecurities_dc9ab788-1325-e87d-3a64-3e6d4b46b9de" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount_270134d0-0321-8d8d-2bb2-11e43ae653e8" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1Calc2" xlink:type="extended" />
  <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" />
  <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/RelatedPartyTransactions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestrictedStockActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/Restructuring" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestructuringDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestructuringRestructuringTableFortigentDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestructuringTableSvcDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/RestructuringTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationOutstandingStockOptionsAndWarrantInformationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationStockOptionAndWarrantActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationStockOptionAndWarrantAssumptionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/ShareBasedCompensationTexualsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/StockholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/StockholdersEquityDividendsPaidDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/StockholdersEquityTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/StockholdesEquityShareRepurchasesDetails" 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/SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReportableSegmentDetails" xlink:type="extended" />
</linkbase>
