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  <xs:element id="amg_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsPerformanceConditionChangesWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsPerformanceConditionChangesWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="amg_IntangibleAssetsRollForward" abstract="true" name="IntangibleAssetsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amg_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAttributableToParent" abstract="false" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesAttributableToParent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_PaymentsForAchievementOfFinancialTargetsMember" abstract="true" name="PaymentsForAchievementOfFinancialTargetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="amg_SharesReceivedforTaxWithholdingforShareBasedCompensationValue" abstract="false" name="SharesReceivedforTaxWithholdingforShareBasedCompensationValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetMeasurementInput" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
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  <xs:element id="amg_PayablesRecordedButNotYetPaidInvestmentsInAffiliates" abstract="false" name="PayablesRecordedButNotYetPaidInvestmentsInAffiliates" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_DeferredTaxLiabilitiesNetDecreaseResultingFromRepurchaseOfDebt" abstract="false" name="DeferredTaxLiabilitiesNetDecreaseResultingFromRepurchaseOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_AffiliatedManagersGroupIncAndCoinvestorMember" abstract="true" name="AffiliatedManagersGroupIncAndCoinvestorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amg_BusinessCombinationConsiderationTransferredContingentLiabilitiesIncurred" abstract="false" name="BusinessCombinationConsiderationTransferredContingentLiabilitiesIncurred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_EquityMethodInvestmentRealizedGainLossonForeignCurrencyTranslation" abstract="false" name="EquityMethodInvestmentRealizedGainLossonForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_ValuationTechniqueMonteCarloSimulationMember" abstract="true" name="ValuationTechniqueMonteCarloSimulationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="amg_BusinessCombinationContingentConsiderationLiabilityToBePaidYearTwo" abstract="false" name="BusinessCombinationContingentConsiderationLiabilityToBePaidYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsPeriodIncreaseDecreasePerformanceConditionChanges" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsPeriodIncreaseDecreasePerformanceConditionChanges" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="amg_StockIssuableValueMaximum" abstract="false" name="StockIssuableValueMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_FairValueMeasurementInputsBasedOnNetAssetsTableTextBlock" abstract="false" name="FairValueMeasurementInputsBasedOnNetAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
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  <xs:element id="amg_DuetoRelatedPartiesFairValueDisclosure" abstract="false" name="DuetoRelatedPartiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_AffiliateEquityLineItems" abstract="true" name="AffiliateEquityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="amg_ProceedsFromEquityMethodInvestmentReturnOfCapital" abstract="false" name="ProceedsFromEquityMethodInvestmentReturnOfCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_EquitySecuritiesWithoutReadilyDeterminableFairValueSalesAndDistributions" abstract="false" name="EquitySecuritiesWithoutReadilyDeterminableFairValueSalesAndDistributions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_NoncontrollingInterestDecreasefromTransferstoNoncontrollingInterestHolders" abstract="false" name="NoncontrollingInterestDecreasefromTransferstoNoncontrollingInterestHolders" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests" abstract="false" name="IncreaseDecreaseInEquityDueToProfitLossAndNetTransfersWithNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="amg_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedinEarningsandOtherComprehensiveIncomeLoss" abstract="false" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedinEarningsandOtherComprehensiveIncomeLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceConditionChangesWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceConditionChangesWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="amg_BuildingAndLeaseholdImprovementsMember" abstract="true" name="BuildingAndLeaseholdImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amg_ClosureOfCertainRetailInvestmentProductsMember" abstract="true" name="ClosureOfCertainRetailInvestmentProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amg_EquityMethodInvestmentIntangibleAssetAmortizationandImpairments" abstract="false" name="EquityMethodInvestmentIntangibleAssetAmortizationandImpairments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_LiabilitiesAndNoncontrollingInterests" abstract="false" name="LiabilitiesAndNoncontrollingInterests" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_AdjustmentsToAdditionalPaidInCapitalDecreaseInCarryingAmountOfRedeemableNoncontrollingInterests" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalDecreaseInCarryingAmountOfRedeemableNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_BusinessCombinationContingentConsiderationLiabilityDueAbstract" abstract="true" name="BusinessCombinationContingentConsiderationLiabilityDueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amg_DeferredTaxLiabilityFromExcessInterestExpenseCalculation" abstract="false" name="DeferredTaxLiabilityFromExcessInterestExpenseCalculation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_DeferredPaymentObligationsLiabilityToBePaidYearOne" abstract="false" name="DeferredPaymentObligationsLiabilityToBePaidYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_TermOfConditionalRighttoPutInterest" abstract="false" name="TermOfConditionalRighttoPutInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="amg_DepreciationAndOtherAmortization" abstract="false" name="DepreciationAndOtherAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_FairValueAssumptionsAverageProjectedGrowthRate" abstract="false" name="FairValueAssumptionsAverageProjectedGrowthRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="amg_IncomeTaxProvisionTable" abstract="true" name="IncomeTaxProvisionTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="amg_DeferredTaxLiabilitiesConvertibleSecuritiesInterest" abstract="false" name="DeferredTaxLiabilitiesConvertibleSecuritiesInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_PurchasesofSecuritiesbyAffiliateSponsoredConsolidatedProducts" abstract="false" name="PurchasesofSecuritiesbyAffiliateSponsoredConsolidatedProducts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_UndisclosedAffiliateMember" abstract="true" name="UndisclosedAffiliateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amg_IncomeTaxLineItems" abstract="true" name="IncomeTaxLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amg_IncomeLossfromEquityMethodInvestmentsBeforeAmortizationofIntangibles" abstract="false" name="IncomeLossfromEquityMethodInvestmentsBeforeAmortizationofIntangibles" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_ContingentPaymentArrangementsMember" abstract="true" name="ContingentPaymentArrangementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amg_LineofCreditFacilityMaximumBorrowingCapacityAdditionalAmount" abstract="false" name="LineofCreditFacilityMaximumBorrowingCapacityAdditionalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_UnrecognizedTaxBenefitsIncreaseDecreaseRelatedtoForeignExchangeRates" abstract="false" name="UnrecognizedTaxBenefitsIncreaseDecreaseRelatedtoForeignExchangeRates" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_DeferredPaymentObligationsLiabilityToBePaidYearFour" abstract="false" name="DeferredPaymentObligationsLiabilityToBePaidYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_AffiliateEquityDisclosureAbstract" abstract="true" name="AffiliateEquityDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amg_PriorOwnerMember" abstract="true" name="PriorOwnerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amg_EquitySecuritiesWithoutReadilyDeterminableFairValuePurchasesAndCommitments" abstract="false" name="EquitySecuritiesWithoutReadilyDeterminableFairValuePurchasesAndCommitments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amg_RedeemableNoncontrollingInterestRollForward" abstract="true" name="RedeemableNoncontrollingInterestRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amg_OtherCommitmentToBePaidAfterYearOne" abstract="false" name="OtherCommitmentToBePaidAfterYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
