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  <xs:element id="step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized" abstract="false" name="PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation" abstract="false" name="PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_LegacyPerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation" abstract="false" name="LegacyPerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_CompensationAndBenefitsExpense" abstract="false" name="CompensationAndBenefitsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_LegacyInvestmentIncome" abstract="false" name="LegacyInvestmentIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_IncomeLossFromConsolidatedFunds" abstract="false" name="IncomeLossFromConsolidatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest" abstract="false" name="ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ComprehensiveIncomeLossNetOfTaxRedeemableNoncontrollingInterest" abstract="false" name="ComprehensiveIncomeLossNetOfTaxRedeemableNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfSharesWithheldForEmployeeTaxes" abstract="false" name="StockIssuedDuringPeriodValueRestrictedStockAwardNetOfSharesWithheldForEmployeeTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_NoncontrollingInterestIncreaseFromSettlementOfNonControllingInterestsRelatedToAwardsOfCarriedInterestAllocations" abstract="false" name="NoncontrollingInterestIncreaseFromSettlementOfNonControllingInterestsRelatedToAwardsOfCarriedInterestAllocations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_RedeemableNoncontrollingInterestIncreaseFromRedemption" abstract="false" name="RedeemableNoncontrollingInterestIncreaseFromRedemption" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalReallocationOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_AdjustmentsToAdditionalPaidInCapitalDeferredTaxEffectOfExchange" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalDeferredTaxEffectOfExchange" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ReclassificationsOfPermanentEquityToTemporaryEquityAndAdjustmentToRedemptionValue" abstract="false" name="ReclassificationsOfPermanentEquityToTemporaryEquityAndAdjustmentToRedemptionValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_StockIssuedDuringPeriodValuePurchaseOfAssetClassNonControllingInterests" abstract="false" name="StockIssuedDuringPeriodValuePurchaseOfAssetClassNonControllingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_NoncontrollingInterestIncreaseFromInitialConsolidationOfConsolidatedFunds" abstract="false" name="NoncontrollingInterestIncreaseFromInitialConsolidationOfConsolidatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ConsolidatedEntitiesExcludingLegacyEntitiesMember" abstract="true" name="ConsolidatedEntitiesExcludingLegacyEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_CarriedInterestAllocationAndInvestmentIncomeUnrealizedGainLoss" abstract="false" name="CarriedInterestAllocationAndInvestmentIncomeUnrealizedGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_GainLossOnRemeasurementOfLeaseLiabilities" abstract="false" name="GainLossOnRemeasurementOfLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_AdjustmentsToReconcileNetIncomeLossToNetCashProvidedByOperatingActivitiesOfConsolidatedFundsAbstract" abstract="true" name="AdjustmentsToReconcileNetIncomeLossToNetCashProvidedByOperatingActivitiesOfConsolidatedFundsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="step_UnrealizedInvestmentGainLossFromConsolidatedFunds" abstract="false" name="UnrealizedInvestmentGainLossFromConsolidatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_PaymentsToAcquireConsolidatedFunds" abstract="false" name="PaymentsToAcquireConsolidatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ProceedsFromSaleOfConsolidatedFunds" abstract="false" name="ProceedsFromSaleOfConsolidatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_IncreaseDecreaseInLeaseRightOfUseAssetsNetOfLeaseLiabilities" abstract="false" name="IncreaseDecreaseInLeaseRightOfUseAssetsNetOfLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesConsolidatedFundsAbstract" abstract="true" name="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesConsolidatedFundsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="step_NetCashRecognizedUponInitialConsolidationOfConsolidatedFunds" abstract="false" name="NetCashRecognizedUponInitialConsolidationOfConsolidatedFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ProceedsFromCapitalContributionsFromNonControllingInterests" abstract="false" name="ProceedsFromCapitalContributionsFromNonControllingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_PaymentsToRelatedPartiesTaxReceivableAgreements" abstract="false" name="PaymentsToRelatedPartiesTaxReceivableAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInFinancingActivitiesAbstract" abstract="true" name="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInFinancingActivitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="step_DeferredTaxEffectFromPurchaseOfUnitsNet" abstract="false" name="DeferredTaxEffectFromPurchaseOfUnitsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_StockIssuedForAcquisitions" abstract="false" name="StockIssuedForAcquisitions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_StockIssuedForPurchaseOfNonControllingInterests" abstract="false" name="StockIssuedForPurchaseOfNonControllingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_CurrentEventsPolicyPolicyTextBlock" abstract="false" name="CurrentEventsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="step_RelatedPartyTransactionsPolicyTextBlock" abstract="false" name="RelatedPartyTransactionsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="step_OtherIncomeAndOtherExpensePolicyTextBlock" abstract="false" name="OtherIncomeAndOtherExpensePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="step_TaxReceivableAgreementPolicyPolicyTextBlock" abstract="false" name="TaxReceivableAgreementPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="step_ConsolidatedFundsInvestmentsTableTextBlock" abstract="false" name="ConsolidatedFundsInvestmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="step_ScheduleOfStockRepurchaseTableTextBlock" abstract="false" name="ScheduleOfStockRepurchaseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="step_StepStoneGroupLPMember" abstract="true" name="StepStoneGroupLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_CommonStockNumberOfVotes" abstract="false" name="CommonStockNumberOfVotes" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_EconomicOwnershipInterest" abstract="false" name="EconomicOwnershipInterest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_PrivateWealthFundsMember" abstract="true" name="PrivateWealthFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_RevenueFromContractWithCustomerIncentiveFeesAsPercentageOfNetInvestmentIncome" abstract="false" name="RevenueFromContractWithCustomerIncentiveFeesAsPercentageOfNetInvestmentIncome" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_RevenueCarriedInterestAllocationAsPercentageOfCumulativeFundOrAccountPerformance" abstract="false" name="RevenueCarriedInterestAllocationAsPercentageOfCumulativeFundOrAccountPerformance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_RevenueCarriedInterestAllocationMinimumReturnLevelsRequired" abstract="false" name="RevenueCarriedInterestAllocationMinimumReturnLevelsRequired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_RevenueLegacyCarriedInterestAllocationAsPercentageOfCumulativeFundOrAccountPerformance" abstract="false" name="RevenueLegacyCarriedInterestAllocationAsPercentageOfCumulativeFundOrAccountPerformance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_DeferredCompensationArrangementWithIndividualChangeInFairValueExpenseRecognized" abstract="false" name="DeferredCompensationArrangementWithIndividualChangeInFairValueExpenseRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_RevenueCarriedInterestAllocationEmployeeCompensationPercentage" abstract="false" name="RevenueCarriedInterestAllocationEmployeeCompensationPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_IncrementalNetCashTaxSavingsDueToExchangingLimitedPartnersPercent" abstract="false" name="IncrementalNetCashTaxSavingsDueToExchangingLimitedPartnersPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_IncrementalNetCashTaxSavingsDueToExchangingLimitedPartnersBenefitRetainedPercent" abstract="false" name="IncrementalNetCashTaxSavingsDueToExchangingLimitedPartnersBenefitRetainedPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_ManagementAndAdvisoryFeesNetFocusedCommingledFundsMember" abstract="true" name="ManagementAndAdvisoryFeesNetFocusedCommingledFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ManagementAndAdvisoryFeesNetSeparatelyManagedAccountsMember" abstract="true" name="ManagementAndAdvisoryFeesNetSeparatelyManagedAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ManagementAndAdvisoryFeesNetAdvisoryAndOtherServicesMember" abstract="true" name="ManagementAndAdvisoryFeesNetAdvisoryAndOtherServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ManagementAndAdvisoryFeesNetFundReimbursementRevenuesMember" abstract="true" name="ManagementAndAdvisoryFeesNetFundReimbursementRevenuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_IncomeBasedIncentiveFeesMember" abstract="true" name="IncomeBasedIncentiveFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_IncentiveFeesSeparatelyManagedAccountsMember" abstract="true" name="IncentiveFeesSeparatelyManagedAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_IncentiveFeesFocusedCommingledFundsMember" abstract="true" name="IncentiveFeesFocusedCommingledFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_CarriedInterestAllocationSeparatelyManagedAccountsMember" abstract="true" name="CarriedInterestAllocationSeparatelyManagedAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_CarriedInterestAllocationFocusedCommingledFundsMember" abstract="true" name="CarriedInterestAllocationFocusedCommingledFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LegacyCarriedInterestAllocationSeparatelyManagedAccountsMember" abstract="true" name="LegacyCarriedInterestAllocationSeparatelyManagedAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LegacyCarriedInterestAllocationFocusedCommingledFundsMember" abstract="true" name="LegacyCarriedInterestAllocationFocusedCommingledFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LegacyGrossCarriedInterestAllocationFocusedCommingledFundsMember" abstract="true" name="LegacyGrossCarriedInterestAllocationFocusedCommingledFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_CommingledFundsGreaterThanOrEqualTo10OfIncentiveFees" abstract="false" name="CommingledFundsGreaterThanOrEqualTo10OfIncentiveFees" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_SeparatelyManagedAccountsGreaterThanOrEqualTo10OfIncentiveFees" abstract="false" name="SeparatelyManagedAccountsGreaterThanOrEqualTo10OfIncentiveFees" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_VariableInterestEntityNotPrimaryBeneficiarySubsidiariesMember" abstract="true" name="VariableInterestEntityNotPrimaryBeneficiarySubsidiariesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_VariableInterestEntityNotPrimaryBeneficiaryLegacyEntitiesMember" abstract="true" name="VariableInterestEntityNotPrimaryBeneficiaryLegacyEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LegacyInvestmentsInFunds" abstract="false" name="LegacyInvestmentsInFunds" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_SeparatelyManagedAccountConcentrationRiskMember" abstract="true" name="SeparatelyManagedAccountConcentrationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ComingledFundsConcentrationRiskMember" abstract="true" name="ComingledFundsConcentrationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_StepStoneFundsMember" abstract="true" name="StepStoneFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_OneInvestmentsMember" abstract="true" name="OneInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ThreeInvestmentsMember" abstract="true" name="ThreeInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_EquityMethodInvestmentEquityInterestPerFundPercentageMaximum" abstract="false" name="EquityMethodInvestmentEquityInterestPerFundPercentageMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_NumberOfConsolidatedInvestmentFunds" abstract="false" name="NumberOfConsolidatedInvestmentFunds" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_InvestmentInFundBeforeEliminations" abstract="false" name="InvestmentInFundBeforeEliminations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_LegacyAccruedCarriedInterestAllocations" abstract="false" name="LegacyAccruedCarriedInterestAllocations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome" abstract="false" name="RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_FundInvestmentsMember" abstract="true" name="FundInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_InvestmentsOfConsolidatedFunds" abstract="false" name="InvestmentsOfConsolidatedFunds" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_InvestmentsOfConsolidatedFundsPercentOfTotalInvestments" abstract="false" name="InvestmentsOfConsolidatedFundsPercentOfTotalInvestments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_InvestmentsOfConsolidatedFundsCost" abstract="false" name="InvestmentsOfConsolidatedFundsCost" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_BusinessCombinationContingentConsiderationAmountPaid" abstract="false" name="BusinessCombinationContingentConsiderationAmountPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_PartnershipsAndLLCInterestsMember" abstract="true" name="PartnershipsAndLLCInterestsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidationOfFund" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidationOfFund" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetInitialConsolidationOfFund" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetInitialConsolidationOfFund" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ComputerEquipmentAndSoftwareMember" abstract="true" name="ComputerEquipmentAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ManagementContractsMember" abstract="true" name="ManagementContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_SeriesA5.52NotesMember" abstract="true" name="SeriesA5.52NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LiquidityLoanFacilityMember" abstract="true" name="LiquidityLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_FundCreditFacilityMember" abstract="true" name="FundCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_NewYorkFederalReserveBankRateMember" abstract="true" name="NewYorkFederalReserveBankRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_A1MonthTermSecuredOvernightFinancingRateSOFRMember" abstract="true" name="A1MonthTermSecuredOvernightFinancingRateSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_EuroInterbankOfferRateMultipliedByStatutoryReserveRateMember" abstract="true" name="EuroInterbankOfferRateMultipliedByStatutoryReserveRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_SterlingOvernightIndexAverageMember" abstract="true" name="SterlingOvernightIndexAverageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_SwissAverageRateOvernightMember" abstract="true" name="SwissAverageRateOvernightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_AUDScreenRateMultipliedByStatutoryReserveRateMember" abstract="true" name="AUDScreenRateMultipliedByStatutoryReserveRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_GBPBaseRateMember" abstract="true" name="GBPBaseRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_DebtInstrumentMinimumAmountOfPrepaymentPercentage" abstract="false" name="DebtInstrumentMinimumAmountOfPrepaymentPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="step_DebtInstrumentBaseInterestRate" abstract="false" name="DebtInstrumentBaseInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_LineOfCreditFacilityCommitmentFeePercentageSpreadOnBaseIfUtilizationGreaterThan50Percent" abstract="false" name="LineOfCreditFacilityCommitmentFeePercentageSpreadOnBaseIfUtilizationGreaterThan50Percent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_LineOfCreditFacilityCommitmentFeePercentageSpreadOnBaseIfUtilizationLessThan50Percent" abstract="false" name="LineOfCreditFacilityCommitmentFeePercentageSpreadOnBaseIfUtilizationLessThan50Percent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_LongTermDebtAvailableToBeIssuedByConsolidatedFunds" abstract="false" name="LongTermDebtAvailableToBeIssuedByConsolidatedFunds" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_DebtInstrumentCovenantsMinimumManagementFeesPayable" abstract="false" name="DebtInstrumentCovenantsMinimumManagementFeesPayable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_A2020LongTermIncentivePlanMember" abstract="true" name="A2020LongTermIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_PerformanceBasedRestrictedStockUnitsMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ClassB2InterestsMember" abstract="true" name="ClassB2InterestsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ClassB2UnitMember" abstract="true" name="ClassB2UnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LiabilityClassifiedAwardMember" abstract="true" name="LiabilityClassifiedAwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="step_ShareBasedCompensationArrangementByShareBasedPaymentAwardProfitsInterest" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardProfitsInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_ConversionOfStockConversionBasis" abstract="false" name="ConversionOfStockConversionBasis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="step_LiabilityClassifiedAwardsDiscountRate" abstract="false" name="LiabilityClassifiedAwardsDiscountRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="step_LiabilityClassifiedAwardTradingMultiple" abstract="false" name="LiabilityClassifiedAwardTradingMultiple" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="step_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="step_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployeeValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployeeValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_EffectiveIncomeTaxRateReconciliationIncomePassedThroughToLimitedPartnersAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationIncomePassedThroughToLimitedPartnersAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_EffectiveIncomeTaxRateReconciliationIncomePassedThroughToLimitedPartnersPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationIncomePassedThroughToLimitedPartnersPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_IncreaseDecreaseInDeferredTaxAssetTransactionAgreements" abstract="false" name="IncreaseDecreaseInDeferredTaxAssetTransactionAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_IncreaseDecreaseInDeferredTaxAssetsExchangeOfPartnershipUnitsForCommonStock" abstract="false" name="IncreaseDecreaseInDeferredTaxAssetsExchangeOfPartnershipUnitsForCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_IncreaseDecreaseInDueToRelatedPartiesTaxReceivableAgreements" abstract="false" name="IncreaseDecreaseInDueToRelatedPartiesTaxReceivableAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_DueToRelatedPartiesTaxReceivableAgreements" abstract="false" name="DueToRelatedPartiesTaxReceivableAgreements" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ValuationAllowanceRollForward" abstract="true" name="ValuationAllowanceRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="step_ValuationAllowanceDeferredTaxAssetIncomeTaxIncreaseDecreaseAmount" abstract="false" name="ValuationAllowanceDeferredTaxAssetIncomeTaxIncreaseDecreaseAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_AdjustmentsToAdditionalPaidInCapitalIncreaseInDeferredTaxAssetsValuationAllowance" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalIncreaseInDeferredTaxAssetsValuationAllowance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_ClassDPartnershipUnitsMember" abstract="true" name="ClassDPartnershipUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_PerformanceRestrictedStockUnitsMember" abstract="true" name="PerformanceRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_OtherReceivablesStepStoneFundsMember" abstract="true" name="OtherReceivablesStepStoneFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_OtherReceivablesEmployeesMember" abstract="true" name="OtherReceivablesEmployeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_OtherReceivablesLoansMember" abstract="true" name="OtherReceivablesLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_OtherLiabilitiesNonControllingInterestHoldersDueToTaxReceivableAgreementsMember" abstract="true" name="OtherLiabilitiesNonControllingInterestHoldersDueToTaxReceivableAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_OtherLiabilitiesStepStoneFundsMember" abstract="true" name="OtherLiabilitiesStepStoneFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_CommonClassDMember" abstract="true" name="CommonClassDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LimitedPartnersMember" abstract="true" name="LimitedPartnersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ExchangeOneMember" abstract="true" name="ExchangeOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ExchangeTwoMember" abstract="true" name="ExchangeTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ExchangeThreeMember" abstract="true" name="ExchangeThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_SRAMember" abstract="true" name="SRAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_SREMember" abstract="true" name="SREMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_SPDMember" abstract="true" name="SPDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_NumberOfClassesOfCommonStockOutstanding" abstract="false" name="NumberOfClassesOfCommonStockOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_StockholdersEquityShareExchangeSharesIssued" abstract="false" name="StockholdersEquityShareExchangeSharesIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="step_StockholdersEquityShareExchangeSharesExchanged" abstract="false" name="StockholdersEquityShareExchangeSharesExchanged" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="step_StockholdersEquityShareExchangeRatio" abstract="false" name="StockholdersEquityShareExchangeRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="step_TransactionAgreementNumberOfAnnualExchanges" abstract="false" name="TransactionAgreementNumberOfAnnualExchanges" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_TransactionAgreementNumberOfAdditionalAnnualExchanges" abstract="false" name="TransactionAgreementNumberOfAdditionalAnnualExchanges" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_StockholdersEquityTransactionAgreementsSharesAvailableForIssuanceAsConsideration" abstract="false" name="StockholdersEquityTransactionAgreementsSharesAvailableForIssuanceAsConsideration" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="step_StockholdersEquityTransactionAgreementAnnualPortionOfEquityInterestsToBeExchanged" abstract="false" name="StockholdersEquityTransactionAgreementAnnualPortionOfEquityInterestsToBeExchanged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="step_TransactionAgreementNotificationPeriod" abstract="false" name="TransactionAgreementNotificationPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="step_StockholdersEquityUnitsIssuedForPurchaseOfAssetClassNoncontrollingInterest" abstract="false" name="StockholdersEquityUnitsIssuedForPurchaseOfAssetClassNoncontrollingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="step_TransactionAgreementExchangeRatio" abstract="false" name="TransactionAgreementExchangeRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="step_TransactionAgreementMaximumPeriodToExchangeShares" abstract="false" name="TransactionAgreementMaximumPeriodToExchangeShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="step_TransactionAgreementMaximumPeriodToExchangeSharesInAccelerationExchange" abstract="false" name="TransactionAgreementMaximumPeriodToExchangeSharesInAccelerationExchange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="step_ClassOfPartnershipUnitAxis" abstract="true" name="ClassOfPartnershipUnitAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="step_ClassOfPartnershipUnitDomain" abstract="true" name="ClassOfPartnershipUnitDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ClassBPartnershipUnitMember" abstract="true" name="ClassBPartnershipUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ClassCPartnershipUnitMember" abstract="true" name="ClassCPartnershipUnitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_ScheduleOfCommonStockOutstandingRollForward" abstract="true" name="ScheduleOfCommonStockOutstandingRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="step_StockholdersEquityUnitsExchangedInOfferingShares" abstract="false" name="StockholdersEquityUnitsExchangedInOfferingShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="step_O2024Q1DividendsMember" abstract="true" name="O2024Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_S2024Q1DividendsMember" abstract="true" name="S2024Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_O2025Q1DividendsMember" abstract="true" name="O2025Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_S2025Q1DividendsMember" abstract="true" name="S2025Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_O2026Q1DividendsMember" abstract="true" name="O2026Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_S2026Q1DividendsMember" abstract="true" name="S2026Q1DividendsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LegacyFundsMember" abstract="true" name="LegacyFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="step_LesseeOperatingLeaseNumberOfCities" abstract="false" name="LesseeOperatingLeaseNumberOfCities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="step_EquityMethodInvestmentCarriedInterestAllocationsMaximumAmountSubjectToContingentRepayment" abstract="false" name="EquityMethodInvestmentCarriedInterestAllocationsMaximumAmountSubjectToContingentRepayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="step_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" abstract="true" name="CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="step_JoseFernandezMember" abstract="true" name="JoseFernandezMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
