<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.lpl.com/20131231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:lpla="http://www.lpl.com/20131231" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/us-gaap/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-roles-2013-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-types-2013-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2012-01-31" schemaLocation="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2013-01-31" schemaLocation="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2013-01-31" schemaLocation="http://xbrl.sec.gov/exch/2013/exch-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpla-20131231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpla-20131231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpla-20131231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpla-20131231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="AccountsPayableAndAccruedLiabilities" roleURI="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilities">
        <link:definition>2110100 - Disclosure - Accounts Payable and Accrued Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsPayableAndAccruedLiabilitiesDetails" roleURI="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilitiesDetails">
        <link:definition>2410402 - Disclosure - Accounts Payable and Accrued Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsPayableAndAccruedLiabilitiesTables" roleURI="http://www.lpl.com/role/AccountsPayableAndAccruedLiabilitiesTables">
        <link:definition>2310301 - Disclosure - Accounts Payable and Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Acquisitions" roleURI="http://www.lpl.com/role/Acquisitions">
        <link:definition>2103100 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDetailsTextuals" roleURI="http://www.lpl.com/role/AcquisitionsDetailsTextuals">
        <link:definition>2403405 - Disclosure - Acquisitions (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsTables" roleURI="http://www.lpl.com/role/AcquisitionsTables">
        <link:definition>2303301 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashFlowInformationDetails" roleURI="http://www.lpl.com/role/CashFlowInformationDetails">
        <link:definition>2403403 - Disclosure - Cash Flow Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingencies" roleURI="http://www.lpl.com/role/CommitmentsAndContingencies">
        <link:definition>2115100 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesDetails" roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesDetails">
        <link:definition>2415402 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesDetailsTextuals" roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesDetailsTextuals">
        <link:definition>2415403 - Disclosure - Commitments and Contingencies (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesTables" roleURI="http://www.lpl.com/role/CommitmentsAndContingenciesTables">
        <link:definition>2315301 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfCashFlows" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfCashFlows">
        <link:definition>1005000 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfComprehensiveIncome" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfComprehensiveIncome">
        <link:definition>1002000 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfComprehensiveIncomeParentheticals" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfComprehensiveIncomeParentheticals">
        <link:definition>1002001 - Statement - Consolidated Statements of Comprehensive Income (Parentheticals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfFinancialCondition" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfFinancialCondition">
        <link:definition>1003000 - Statement - Consolidated Statements of Financial Condition</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfFinancialConditionParentheticals" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfFinancialConditionParentheticals">
        <link:definition>1003001 - Statement - Consolidated Statements of Financial Condition (Parentheticals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfIncome" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfIncome">
        <link:definition>1001000 - Statement - Consolidated Statements of Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfStockholdersEquity" roleURI="http://www.lpl.com/role/ConsolidatedStatementsOfStockholdersEquity">
        <link:definition>1004000 - Statement - Consolidated Statements of Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.lpl.com/role/Debt">
        <link:definition>2112100 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtDetails" roleURI="http://www.lpl.com/role/DebtDetails">
        <link:definition>2412402 - Disclosure - Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtDetails1" roleURI="http://www.lpl.com/role/DebtDetails1">
        <link:definition>2412403 - Disclosure - Debt (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtDetails2" roleURI="http://www.lpl.com/role/DebtDetails2">
        <link:definition>2412404 - Disclosure - Debt (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtDetailsTextuals" roleURI="http://www.lpl.com/role/DebtDetailsTextuals">
        <link:definition>2412405 - Disclosure - Debt (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://www.lpl.com/role/DebtTables">
        <link:definition>2312301 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeFinancialInstrumentsDerivativeFinancialInstruments" roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDerivativeFinancialInstruments">
        <link:definition>2114100 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeFinancialInstrumentsDerivativeFinancialInstrumentsDetails" roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDerivativeFinancialInstrumentsDetails">
        <link:definition>2414402 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeFinancialInstrumentsDerivativeFinancialInstrumentsDetailsTextuals" roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDerivativeFinancialInstrumentsDetailsTextuals">
        <link:definition>2414403 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeFinancialInstrumentsDerivativeFinancialInstrumentsTables" roleURI="http://www.lpl.com/role/DerivativeFinancialInstrumentsDerivativeFinancialInstrumentsTables">
        <link:definition>2314301 - Disclosure - Derivative Financial Instruments Derivative Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformationDocument" roleURI="http://www.lpl.com/role/DocumentAndEntityInformationDocument">
        <link:definition>0001000 - Document - Document and Entity Information Document</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShare" roleURI="http://www.lpl.com/role/EarningsPerShare">
        <link:definition>2117100 - Disclosure - Earnings per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareDetails" roleURI="http://www.lpl.com/role/EarningsPerShareDetails">
        <link:definition>2417402 - Disclosure - Earnings per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareDetailsTextuals" roleURI="http://www.lpl.com/role/EarningsPerShareDetailsTextuals">
        <link:definition>2417403 - Disclosure - Earnings per Share (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareTables" roleURI="http://www.lpl.com/role/EarningsPerShareTables">
        <link:definition>2317301 - Disclosure - Earnings per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeAndAdvisorBenefitPlans" roleURI="http://www.lpl.com/role/EmployeeAndAdvisorBenefitPlans">
        <link:definition>2118100 - Disclosure - Employee and Advisor Benefit Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeAndAdvisorBenefitPlansDetailsTextuals" roleURI="http://www.lpl.com/role/EmployeeAndAdvisorBenefitPlansDetailsTextuals">
        <link:definition>2418401 - Disclosure - Employee and Advisor Benefit Plans (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurements" roleURI="http://www.lpl.com/role/FairValueMeasurements">
        <link:definition>2105100 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetails" roleURI="http://www.lpl.com/role/FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetails">
        <link:definition>2405405 - Disclosure - Fair Value Measurements Changes in Level 3 Recurring Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetailsTextuals" roleURI="http://www.lpl.com/role/FairValueMeasurementsChangesInLevel3RecurringFairValueMeasurementsDetailsTextuals">
        <link:definition>2405404 - Disclosure - Fair Value Measurements Changes in Level 3 Recurring Fair Value Measurements (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails" roleURI="http://www.lpl.com/role/FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisDetails">
        <link:definition>2405402 - Disclosure - Fair Value Measurements Financial Assets and Liabilities Measured on a Recurring and Nonrecurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsSignificantLevel3LiabilitiesDetails" roleURI="http://www.lpl.com/role/FairValueMeasurementsSignificantLevel3LiabilitiesDetails">
        <link:definition>2405403 - Disclosure - Fair Value Measurements Significant Level 3 Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.lpl.com/role/FairValueMeasurementsTables">
        <link:definition>2305301 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk" roleURI="http://www.lpl.com/role/FinancialInstrumentsWithOffBalanceSheetCreditRiskAndConcentrationsOfCreditRisk">
        <link:definition>2122100 - Disclosure - Financial Instruments with Off-Balance-Sheet Credit Risk and Concentrations of Credit Risk</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssets" roleURI="http://www.lpl.com/role/FixedAssets">
        <link:definition>2108100 - Disclosure - Fixed Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssetsDetails" roleURI="http://www.lpl.com/role/FixedAssetsDetails">
        <link:definition>2408402 - Disclosure - Fixed Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssetsDetailsTextuals" roleURI="http://www.lpl.com/role/FixedAssetsDetailsTextuals">
        <link:definition>2408403 - Disclosure - Fixed Assets (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FixedAssetsTables" roleURI="http://www.lpl.com/role/FixedAssetsTables">
        <link:definition>2308301 - Disclosure - Fixed Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndOtherIntangibleAssets" roleURI="http://www.lpl.com/role/GoodwillAndOtherIntangibleAssets">
        <link:definition>2109100 - Disclosure - Goodwill and Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndOtherIntangibleAssetsDetailsTextuals" roleURI="http://www.lpl.com/role/GoodwillAndOtherIntangibleAssetsDetailsTextuals">
        <link:definition>2409404 - Disclosure - Goodwill and Other Intangible Assets (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndOtherIntangibleAssetsGoodwillDetails" roleURI="http://www.lpl.com/role/GoodwillAndOtherIntangibleAssetsGoodwillDetails">
        <link:definition>2409402 - Disclosure - Goodwill and Other Intangible Assets Goodwill (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndOtherIntangibleAssetsTables" roleURI="http://www.lpl.com/role/GoodwillAndOtherIntangibleAssetsTables">
        <link:definition>2309301 - Disclosure - Goodwill and Other Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="HeldToMaturitySecurities" roleURI="http://www.lpl.com/role/HeldToMaturitySecurities">
        <link:definition>2106100 - Disclosure - Held-to-Maturity Securities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="HeldToMaturitySecuritiesDetails" roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails">
        <link:definition>2406402 - Disclosure - Held-to-Maturity Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="HeldToMaturitySecuritiesDetails1" roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesDetails1">
        <link:definition>2406403 - Disclosure - Held-to-Maturity Securities (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="HeldToMaturitySecuritiesTables" roleURI="http://www.lpl.com/role/HeldToMaturitySecuritiesTables">
        <link:definition>2306301 - Disclosure - Held-to-Maturity Securities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.lpl.com/role/IncomeTaxes">
        <link:definition>2111100 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails" roleURI="http://www.lpl.com/role/IncomeTaxesDetails">
        <link:definition>2411402 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails1" roleURI="http://www.lpl.com/role/IncomeTaxesDetails1">
        <link:definition>2411403 - Disclosure - Income Taxes (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails2" roleURI="http://www.lpl.com/role/IncomeTaxesDetails2">
        <link:definition>2411404 - Disclosure - Income Taxes (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails3" roleURI="http://www.lpl.com/role/IncomeTaxesDetails3">
        <link:definition>2411405 - Disclosure - Income Taxes (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetailsTextuals" roleURI="http://www.lpl.com/role/IncomeTaxesDetailsTextuals">
        <link:definition>2411406 - Disclosure - Income Taxes (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.lpl.com/role/IncomeTaxesTables">
        <link:definition>2311301 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetAllocationDetails" roleURI="http://www.lpl.com/role/IntangibleAssetAllocationDetails">
        <link:definition>2403404 - Disclosure - Intangible Asset Allocation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsDetails" roleURI="http://www.lpl.com/role/IntangibleAssetsDetails">
        <link:definition>2409403 - Disclosure - Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsDetails1" roleURI="http://www.lpl.com/role/IntangibleAssetsDetails1">
        <link:definition>2409405 - Disclosure - Intangible Assets (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetCapitalAndRegulatoryRequirements" roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirements">
        <link:definition>2120100 - Disclosure - Net Capital and Regulatory Requirements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetCapitalAndRegulatoryRequirementsDetails" roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsDetails">
        <link:definition>2420402 - Disclosure - Net Capital and Regulatory Requirements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetCapitalAndRegulatoryRequirementsTables" roleURI="http://www.lpl.com/role/NetCapitalAndRegulatoryRequirementsTables">
        <link:definition>2320301 - Disclosure - Net Capital and Regulatory Requirements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationAndDescriptionOfCompany" roleURI="http://www.lpl.com/role/OrganizationAndDescriptionOfCompany">
        <link:definition>2101100 - Disclosure - Organization and Description of the Company</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationAndDescriptionOfCompanyDetails" roleURI="http://www.lpl.com/role/OrganizationAndDescriptionOfCompanyDetails">
        <link:definition>2401401 - Disclosure - Organization and Description of the Company (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PurchasePriceAllocationsDetails" roleURI="http://www.lpl.com/role/PurchasePriceAllocationsDetails">
        <link:definition>2403402 - Disclosure - Purchase Price Allocations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizations" roleURI="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizations">
        <link:definition>2107100 - Disclosure - Receivables from Product Sponsors, Broker-Dealers and Clearing Organizations and Payables to Broker-Dealers and Clearing Organizations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsDetails" roleURI="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsDetails">
        <link:definition>2407402 - Disclosure - Receivables from Product Sponsors, Broker-Dealers and Clearing Organizations and Payables to Broker-Dealers and Clearing Organizations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsTables" roleURI="http://www.lpl.com/role/ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsAndPayablesToBrokerDealersAndClearingOrganizationsTables">
        <link:definition>2307301 - Disclosure - Receivables from Product Sponsors, Broker-Dealers and Clearing Organizations and Payables to Broker-Dealers and Clearing Organizations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://www.lpl.com/role/RelatedPartyTransactions">
        <link:definition>2119100 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsDetails" roleURI="http://www.lpl.com/role/RelatedPartyTransactionsDetails">
        <link:definition>2419401 - Disclosure - Related Party Transactions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Restructuring" roleURI="http://www.lpl.com/role/Restructuring">
        <link:definition>2104100 - Disclosure - Restructuring</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringDetails" roleURI="http://www.lpl.com/role/RestructuringDetails">
        <link:definition>2404402 - Disclosure - Restructuring (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringRestructuringTableSvcDetails" roleURI="http://www.lpl.com/role/RestructuringRestructuringTableSvcDetails">
        <link:definition>2404403 - Disclosure - Restructuring Restructuring Table SVC (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringTables" roleURI="http://www.lpl.com/role/RestructuringTables">
        <link:definition>2304301 - Disclosure - Restructuring (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RistrictedStockActivityDetails" roleURI="http://www.lpl.com/role/RistrictedStockActivityDetails">
        <link:definition>2416405 - Disclosure - Ristricted Stock Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedQuarterlyFinancialDataDetails" roleURI="http://www.lpl.com/role/SelectedQuarterlyFinancialDataDetails">
        <link:definition>2423402 - Disclosure - Selected Quarterly Financial Data (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedQuarterlyFinancialDataUnaudited" roleURI="http://www.lpl.com/role/SelectedQuarterlyFinancialDataUnaudited">
        <link:definition>2123100 - Disclosure - Selected Quarterly Financial Data (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedQuarterlyFinancialDataUnauditedTables" roleURI="http://www.lpl.com/role/SelectedQuarterlyFinancialDataUnauditedTables">
        <link:definition>2323301 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockOptionAndWarrantActivityDetails" roleURI="http://www.lpl.com/role/StockOptionAndWarrantActivityDetails">
        <link:definition>2416403 - Disclosure - Stock Option and Warrant Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.lpl.com/role/StockholdersEquity">
        <link:definition>2116100 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDetails2" roleURI="http://www.lpl.com/role/StockholdersEquityDetails2">
        <link:definition>2416404 - Disclosure - Stockholders' Equity (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDetailsTextuals" roleURI="http://www.lpl.com/role/StockholdersEquityDetailsTextuals">
        <link:definition>2416406 - Disclosure - Stockholders' Equity (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDividendsDetails" roleURI="http://www.lpl.com/role/StockholdersEquityDividendsDetails">
        <link:definition>2416407 - Disclosure - Stockholders' Equity Dividends (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityShareRepurchaseProgramDetails" roleURI="http://www.lpl.com/role/StockholdersEquityShareRepurchaseProgramDetails">
        <link:definition>2416408 - Disclosure - Stockholders' Equity Share Repurchase Program (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityStockOptionAndWarrantAssumptionsDetails" roleURI="http://www.lpl.com/role/StockholdersEquityStockOptionAndWarrantAssumptionsDetails">
        <link:definition>2416402 - Disclosure - Stockholders' Equity Stock Option and Warrant Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityTables" roleURI="http://www.lpl.com/role/StockholdersEquityTables">
        <link:definition>2316301 - Disclosure - Stockholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.lpl.com/role/SubsequentEvents">
        <link:definition>2124100 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsSubsequentEventsDetails" roleURI="http://www.lpl.com/role/SubsequentEventsSubsequentEventsDetails">
        <link:definition>2424401 - Disclosure - Subsequent Events Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPolicies">
        <link:definition>2102100 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesCashAndCashEquivalentsDetails">
        <link:definition>2402406 - Disclosure - Summary of Significant Accounting Policies Cash and Cash Equivalents (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesCashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesCashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDetails">
        <link:definition>2402407 - Disclosure - Summary of Significant Accounting Policies Cash and Securities Segregated Under Federal and Other Regulations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesDraftsPayableDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesDraftsPayableDetails">
        <link:definition>2402415 - Disclosure - Summary of Significant Accounting Policies Drafts Payable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesEquityMethodInvestmentDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesEquityMethodInvestmentDetails">
        <link:definition>2402414 - Disclosure - Summary of Significant Accounting Policies Equity Method Investment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFairValueOfFinancialInstrumentsDetails">
        <link:definition>2402416 - Disclosure - Summary of Significant Accounting Policies Fair Value of Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesFixedAssetsDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesFixedAssetsDetails">
        <link:definition>2402411 - Disclosure - Summary of Significant Accounting Policies Fixed Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesGoodwillAndOtherIntangibleAssetsDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesGoodwillAndOtherIntangibleAssetsDetails">
        <link:definition>2402413 - Disclosure - Summary of Significant Accounting Policies Goodwill and Other Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesIncomeTaxesDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesIncomeTaxesDetails">
        <link:definition>2402405 - Disclosure - Summary of Significant Accounting Policies Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesOtherOperatingExpenseDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesOtherOperatingExpenseDetails">
        <link:definition>2402403 - Disclosure - Summary of Significant Accounting Policies Other Operating Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>2202201 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesReceivablesFromAndPayablesToClientsDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReceivablesFromAndPayablesToClientsDetails">
        <link:definition>2402408 - Disclosure - Summary of Significant Accounting Policies Receivables From and Payables to Clients (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesReceivablesFromOthersDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReceivablesFromOthersDetails">
        <link:definition>2402409 - Disclosure - Summary of Significant Accounting Policies Receivables From Others (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesReportableSegmentDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesReportableSegmentDetails">
        <link:definition>2402412 - Disclosure - Summary of Significant Accounting Policies Reportable Segment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesSecuritiesBorrowedAndLoanedDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesSecuritiesBorrowedAndLoanedDetails">
        <link:definition>2402410 - Disclosure - Summary of Significant Accounting Policies Securities Borrowed and Loaned (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesShareBasedCompensationDetails" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesShareBasedCompensationDetails">
        <link:definition>2402404 - Disclosure - Summary of Significant Accounting Policies Share-Based Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesTables" roleURI="http://www.lpl.com/role/SummaryOfSignificantAccountingPoliciesTables">
        <link:definition>2302302 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="lpla_AccruedCommissionsAndAdvisoryFeesPayable" name="AccruedCommissionsAndAdvisoryFeesPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_AdvisorAndFinancialInstitutionRelationshipsMember" name="AdvisorAndFinancialInstitutionRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_AdvisorRelationshipsMember" name="AdvisorRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_AdvisorsAndFinancialInstitutionsMember" name="AdvisorsAndFinancialInstitutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_AlternativeBaseRateMember" name="AlternativeBaseRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_AmendedTermLoanBMember" name="AmendedTermLoanBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_AssetBasedFees" name="AssetBasedFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_August2011Member" name="August2011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_BankLoansPayableMember" name="BankLoansPayableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_BenchmarkShortTermInterestRate" name="BenchmarkShortTermInterestRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="lpla_BusinessAcquisitionCostOfAcquiredEntityCashPlacedInEscrow" name="BusinessAcquisitionCostOfAcquiredEntityCashPlacedInEscrow" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_BusinessAcquisitionCostOfAcquiredEntityCashRemainingInEscrow" name="BusinessAcquisitionCostOfAcquiredEntityCashRemainingInEscrow" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpla_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsTableTextBlock" name="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsChangesInOperatingAssetsAndLiabilities" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsChangesInOperatingAssetsAndLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_CashEquivalentsDaysToMaturityMaximum" name="CashEquivalentsDaysToMaturityMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_CashFlowHedge1Member" name="CashFlowHedge1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_CashFlowHedge2Member" name="CashFlowHedge2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_CashFlowHedge3Member" name="CashFlowHedge3Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_CashFlowHedge4Member" name="CashFlowHedge4Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ChangesInAccruedCommissionsAndAdvisoryFeesPayable" name="ChangesInAccruedCommissionsAndAdvisoryFeesPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_ClientActivitiesMember" name="ClientActivitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_CollateralSecurityPledgedInBank" name="CollateralSecurityPledgedInBank" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_CommissionFeePaidPerRepurchasedShare" name="CommissionFeePaidPerRepurchasedShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_CommissionsAndAdvisoryFees" name="CommissionsAndAdvisoryFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_CommitmentsAndContingenciesLineItems" name="CommitmentsAndContingenciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_CommitmentsAndContingenciesTable" name="CommitmentsAndContingenciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_CommonStockSharesDistributedbySignificantShareholder" name="CommonStockSharesDistributedbySignificantShareholder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ComputersAndSoftware" name="ComputersAndSoftware" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_ConcentrationRiskCreditRiskFinancialInstrumentsOffBalanceSheetRiskAbstract" name="ConcentrationRiskCreditRiskFinancialInstrumentsOffBalanceSheetRiskAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ConcentrationRiskCreditRiskFinancialInstrumentsOffBalanceSheetRiskTextBlock" name="ConcentrationRiskCreditRiskFinancialInstrumentsOffBalanceSheetRiskTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ConcordCapitalPartnersMember" name="ConcordCapitalPartnersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_CorporateOverdraftsMember" name="CorporateOverdraftsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeRemainingUnpledgedAmount" name="CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeRemainingUnpledgedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_DebtInstrumentPeriodicPaymentPrincipalPercent" name="DebtInstrumentPeriodicPaymentPrincipalPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_December272013Member" name="December272013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_DeferredCompensationArrangementRabbiTrustEmployerContribution" name="DeferredCompensationArrangementRabbiTrustEmployerContribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_DeferredCompensationArrangementRabbiTrustRecordedLiability" name="DeferredCompensationArrangementRabbiTrustRecordedLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_DeferredLoanIssuanceAndAmendmentCostsPolicyTextBlock" name="DeferredLoanIssuanceAndAmendmentCostsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_DefinedContributionPlanEmployeeCompensationEligibleforMatchPercent" name="DefinedContributionPlanEmployeeCompensationEligibleforMatchPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_DefinedContributionPlanEmployerDiscretionaryMatchingContributionPercentofMatch" name="DefinedContributionPlanEmployerDiscretionaryMatchingContributionPercentofMatch" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_DefinedContributionPlanTotalEmployerMatchingContributionPercentofMatch" name="DefinedContributionPlanTotalEmployerMatchingContributionPercentofMatch" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_DepositsOfRestrictedCash" name="DepositsOfRestrictedCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_DerecognitionofSubsidiaryAssetsandLiabilitiesByParentCompany" name="DerecognitionofSubsidiaryAssetsandLiabilitiesByParentCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_DiscountOnProceedsFromSeniorCreditFacilitiesRecordedAsDebtIssuanceCosts" name="DiscountOnProceedsFromSeniorCreditFacilitiesRecordedAsDebtIssuanceCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_DraftsPayableChangesInOperatingAssetsAndLiabilities" name="DraftsPayableChangesInOperatingAssetsAndLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_DraftsPayablePolicyTextBlock" name="DraftsPayablePolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGoodwillDerecognitionPercent" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseGoodwillDerecognitionPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_EffectiveIncomeTaxRateReconciliationTransactionCosts" name="EffectiveIncomeTaxRateReconciliationTransactionCosts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_EmployeeAndAdvisorBenefitPlansTextualsAbstract" name="EmployeeAndAdvisorBenefitPlansTextualsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_EmployeeStockOptionAwardsMember" name="EmployeeStockOptionAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_EmployeeStockPurchasePlanPurchasePriceDiscount" name="EmployeeStockPurchasePlanPurchasePriceDiscount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_EurodollarRateMember" name="EurodollarRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_Expenses" name="Expenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_February2014Member" name="February2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_FixedAssetsAcquiredUnderBuiltToSuitLease" name="FixedAssetsAcquiredUnderBuiltToSuitLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ForgivableLoans" name="ForgivableLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_FortigentMember" name="FortigentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_FreeCreditBalancesHeld" name="FreeCreditBalancesHeld" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lpla_IncreaseDecreasePayablesToClients" name="IncreaseDecreasePayablesToClients" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_IncreaseDecreaseReceivablesFromClients" name="IncreaseDecreaseReceivablesFromClients" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_IndependentAdvisorsGroupCorporationMember" name="IndependentAdvisorsGroupCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_IntangibleAssetsLineItems" name="IntangibleAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_InterestBaseRateByTypeAxis" name="InterestBaseRateByTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_InterestBaseRateByTypeDomain" name="InterestBaseRateByTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_LPLHoldingsInc.Member" name="LPLHoldingsInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_LeaseAbandonment" name="LeaseAbandonment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_LetterOfCreditAgainstLineOfCreditFacility" name="LetterOfCreditAgainstLineOfCreditFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_LiborDesignationDateAxis" name="LiborDesignationDateAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_LiborDesignationDateDomain" name="LiborDesignationDateDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_LiborRate1MonthMember" name="LiborRate1MonthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_LiborRate6monthMember" name="LiborRate6monthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_LiborRateMember" name="LiborRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_LikelihoodOfRealizationOfTaxPositionUponSettlementMinimum" name="LikelihoodOfRealizationOfTaxPositionUponSettlementMinimum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="lpla_LoanForgiveness" name="LoanForgiveness" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_LplFinancialLlcMember" name="LplFinancialLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_LplIndependentAdvisorServicesGroupLlcMember" name="LplIndependentAdvisorServicesGroupLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_LplInsuranceAssociateMember" name="LplInsuranceAssociateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_May2012Member" name="May2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_May2013Member" name="May2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_MinimumAlternativeBaseRateMember" name="MinimumAlternativeBaseRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_MutualFundsMember" name="MutualFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_NationalRetirementPartnersConcordCapitalPartnersandNestWiseMember" name="NationalRetirementPartnersConcordCapitalPartnersandNestWiseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_NationalRetirementPartnersMember" name="NationalRetirementPartnersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_NatureofExpenseDomain" name="NatureofExpenseDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_NestwiseMember" name="NestwiseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_NonqualifiedDeferredCompensationPlanMember" name="NonqualifiedDeferredCompensationPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_NumberOfUncommittedLinesOfCredit" name="NumberOfUncommittedLinesOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_OperatingLeasesFutureMinimumPaymentsDueInFiveYearsFutureSanDiegoOfficeLease" name="OperatingLeasesFutureMinimumPaymentsDueInFiveYearsFutureSanDiegoOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_OperatingLeasesFutureMinimumPaymentsDueInFourYearsFutureSanDiegoOfficeLease" name="OperatingLeasesFutureMinimumPaymentsDueInFourYearsFutureSanDiegoOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_OperatingLeasesFutureMinimumPaymentsDueInThreeYearsFutureSanDiegoOfficeLease" name="OperatingLeasesFutureMinimumPaymentsDueInThreeYearsFutureSanDiegoOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_OperatingLeasesFutureMinimumPaymentsDueInTwelveMonthsFutureSanDiegoOfficeLease" name="OperatingLeasesFutureMinimumPaymentsDueInTwelveMonthsFutureSanDiegoOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_OperatingLeasesFutureMinimumPaymentsDueInTwoYearsFutureSanDiegoOfficeLease" name="OperatingLeasesFutureMinimumPaymentsDueInTwoYearsFutureSanDiegoOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_OperatingLeasesFutureMinimumPaymentsDueThereafterFutureSanDiegoOfficeLease" name="OperatingLeasesFutureMinimumPaymentsDueThereafterFutureSanDiegoOfficeLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_OtherOperatingCostandExpenseComponentsLineItems" name="OtherOperatingCostandExpenseComponentsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_OtherOperatingCostandExpenseComponentsTable" name="OtherOperatingCostandExpenseComponentsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_OtherReceivablesPolicyTextBlock" name="OtherReceivablesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_OutsourcingAndOtherRelatedCostsMember" name="OutsourcingAndOtherRelatedCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_OwnershipInterestPercentageInSubsidiary" name="OwnershipInterestPercentageInSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ParentheticalsAbstract" name="ParentheticalsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_PayableToBrokerDealers" name="PayableToBrokerDealers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_PayableToClearingOrganizations" name="PayableToClearingOrganizations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lpla_PaymentofContingentConsiderationObligation" name="PaymentofContingentConsiderationObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_PriorTermLoanBMember" name="PriorTermLoanBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ProductSponsorRelationshipsMember" name="ProductSponsorRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_PromotionalExpenses" name="PromotionalExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_PtcHoldingsIncMember" name="PtcHoldingsIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_QuarterlyRepaymentsOfDebtInstrumentAxis" name="QuarterlyRepaymentsOfDebtInstrumentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_QuarterlyRepaymentsOfDebtInstrumentDomain" name="QuarterlyRepaymentsOfDebtInstrumentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RangeFiveMember" name="RangeFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RangeFourMember" name="RangeFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RangeOneMember" name="RangeOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_RangeSixMember" name="RangeSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RangeThreeMember" name="RangeThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RangeTwoMember" name="RangeTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ReceivableFromBrokerDealers" name="ReceivableFromBrokerDealers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_ReceivablesAxis" name="ReceivablesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ReceivablesDomain" name="ReceivablesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ReceivablesFromAndPayablesToClientsPolicyTextBlock" name="ReceivablesFromAndPayablesToClientsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ReceivablesFromClientsMember" name="ReceivablesFromClientsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ReceivablesFromOthersMember" name="ReceivablesFromOthersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsPolicyTextBlock" name="ReceivablesFromProductSponsorsBrokerDealersAndClearingOrganizationsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RegulatoryFeesAndExpenses" name="RegulatoryFeesAndExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_ReleaseOfRestrictedCash" name="ReleaseOfRestrictedCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_RepaymentOfDebt" name="RepaymentOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lpla_RestrictedStockAwardsMember" name="RestrictedStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_RevolvingLineOfCreditMember" name="RevolvingLineOfCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleForUncollectableAmountsDueFromClientsTable" name="ScheduleForUncollectableAmountsDueFromClientsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ScheduleForUncollectableAmountsDueFromClientsTableTextBlock" name="ScheduleForUncollectableAmountsDueFromClientsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleForUncollectibleAmountsDueFromOthersTable" name="ScheduleForUncollectibleAmountsDueFromOthersTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ScheduleForUncollectibleAmountsDueFromOthersTableTextBlock" name="ScheduleForUncollectibleAmountsDueFromOthersTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ScheduleOfBusinessAcquisitionCashFlowSupplementalDisclosuresTableTextBlock" name="ScheduleOfBusinessAcquisitionCashFlowSupplementalDisclosuresTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleOfDueToFromBrokerDealersAndClearingOrganizationsAbstract" name="ScheduleOfDueToFromBrokerDealersAndClearingOrganizationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleOfIntangibleAssetAbstract" name="ScheduleOfIntangibleAssetAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleOfIntangibleAssetsByMajorClassTable" name="ScheduleOfIntangibleAssetsByMajorClassTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleOfNetCapitalAndNetCapitalRequirementsForCompanysBrokerDealerSubsidiariesLineItems" name="ScheduleOfNetCapitalAndNetCapitalRequirementsForCompanysBrokerDealerSubsidiariesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleOfNetCapitalAndNetCapitalRequirementsForCompanysBrokerDealerSubsidiariesTable" name="ScheduleOfNetCapitalAndNetCapitalRequirementsForCompanysBrokerDealerSubsidiariesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ScheduleOfShareBasedCompensationArrangementsForEmployeesAndNonEmployeesLineItems" name="ScheduleOfShareBasedCompensationArrangementsForEmployeesAndNonEmployeesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ScheduleofDividendsPaidperCommonShareTableTextBlock" name="ScheduleofDividendsPaidperCommonShareTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_ScheduleofEarningsReconciliationforEarningsPerShareTableTextBlock" name="ScheduleofEarningsReconciliationforEarningsPerShareTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_SecuritiesBorrowedAndLoanedAxis" name="SecuritiesBorrowedAndLoanedAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_SecuritiesBorrowedAndLoanedDomain" name="SecuritiesBorrowedAndLoanedDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_SecuritiesBorrowedAndLoanedLineItems" name="SecuritiesBorrowedAndLoanedLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_SecuritiesBorrowedAndLoanedTable" name="SecuritiesBorrowedAndLoanedTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_SecuritiesOwnedAbstract" name="SecuritiesOwnedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_SecuritiesOwnedAndSoldButNotYetPurchasedPolicyTextBlock" name="SecuritiesOwnedAndSoldButNotYetPurchasedPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_SeniorSecuredTermLoanAbstract" name="SeniorSecuredTermLoanAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_September2012MemberMember" name="September2012MemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_September262013Member" name="September262013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_ServiceValueCommitmentMember" name="ServiceValueCommitmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_SettlementOfPurchasesOfTreasuryStock" name="SettlementOfPurchasesOfTreasuryStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReserved" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReserved" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lpla_StockIssuedDuringPeriodPerShareShareBasedCompensation" name="StockIssuedDuringPeriodPerShareShareBasedCompensation" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_StockIssuedDuringPeriodSharesRestrictedStockAwardReleased" name="StockIssuedDuringPeriodSharesRestrictedStockAwardReleased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_StockIssuedDuringPeriodValueRestrictedStockAwardReleased" name="StockIssuedDuringPeriodValueRestrictedStockAwardReleased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_StockoptionsandwarrantsMember" name="StockoptionsandwarrantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_TangibleAssetImpairmentChargesMember" name="TangibleAssetImpairmentChargesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_TechnologyTransformationCostsMember" name="TechnologyTransformationCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_TemporaryEmployeeAndContractorServicesDomain" name="TemporaryEmployeeAndContractorServicesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_TermLoanAndAmendedTermLoanBMember" name="TermLoanAndAmendedTermLoanBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_TpgCapitalMember" name="TpgCapitalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_TrademarkAndTradeNameMember" name="TrademarkAndTradeNameMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_TransactionAndOtherFees" name="TransactionAndOtherFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lpla_TwoThousandThirteenTermLoansMember" name="TwoThousandThirteenTermLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_UncommittedLinesOfCreditUnspecifiedLimit" name="UncommittedLinesOfCreditUnspecifiedLimit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_UndistributedEarningsAllocatedToParticipatingSecuritiesDiluted" name="UndistributedEarningsAllocatedToParticipatingSecuritiesDiluted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lpla_UvestFinancialServicesGroupMember" name="UvestFinancialServicesGroupMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_UvestMember" name="UvestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lpla_WriteOffOfAllowancesForOtherReceivables" name="WriteOffOfAllowancesForOtherReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_YearsThreeFourAndFiveMember" name="YearsThreeFourAndFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lpla_YeartwoMember" name="YeartwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
