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<element name="ProceedsFromIssuanceOfEquityBySubsidiaryUponBusinessCombinationAndRecapitalization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ProceedsFromIssuanceOfEquityBySubsidiaryUponBusinessCombinationAndRecapitalization" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ProceedsFromIssuanceOfSubsidiaryCommonSharesNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ProceedsFromIssuanceOfSubsidiaryCommonSharesNet" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ProceedsFromIssuanceOfSubsidiaryConvertibleAndRedeemablePreferredStockNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ProceedsFromIssuanceOfSubsidiaryConvertibleAndRedeemablePreferredStockNet" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ProceedsFromSubsidiaryDebtFinancingsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ProceedsFromSubsidiaryDebtFinancingsNet" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PurchaseOfSubsidiaryCommonShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_PurchaseOfSubsidiaryCommonShares" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="RepaymentOfLongTermDebtAndConvertibleDebtBySubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_RepaymentOfLongTermDebtAndConvertibleDebtBySubsidiary" substitutionGroup="xbrli:item" xbrli:balance="credit" />
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<element name="PaymentsToAcquireInvestmentsInUnconsolidatedEntities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_PaymentsToAcquireInvestmentsInUnconsolidatedEntities" substitutionGroup="xbrli:item" xbrli:balance="credit" />
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<element name="IncreaseDecreaseInOperatingLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_IncreaseDecreaseInOperatingLeaseLiabilities" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="AssetAcquisitionsAndLicenseAgreementsDisclosureTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_AssetAcquisitionsAndLicenseAgreementsDisclosureTextBlock" substitutionGroup="xbrli:item" />
<element name="TransactionAgreementAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_TransactionAgreementAbstract" substitutionGroup="xbrli:item" />
<element name="TransactionAgreementDisclosureTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_TransactionAgreementDisclosureTextBlock" substitutionGroup="xbrli:item" />
<element name="NewAccountingPronouncementsNotYetAdoptedPolicyTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_NewAccountingPronouncementsNotYetAdoptedPolicyTextBlock" substitutionGroup="xbrli:item" />
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<element name="ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" substitutionGroup="xbrli:item" />
<element name="ScheduleOfDisposalGroupsIncludingDiscontinuedCondensedConsolidatedStatementsOfCashFlowsTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ScheduleOfDisposalGroupsIncludingDiscontinuedCondensedConsolidatedStatementsOfCashFlowsTableTextBlock" substitutionGroup="xbrli:item" />
<element name="CappedValueAppreciationRightsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_CappedValueAppreciationRightsMember" substitutionGroup="xbrli:item" />
<element name="CommonStockAwardsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_CommonStockAwardsMember" substitutionGroup="xbrli:item" />
<element name="PerformanceOptionsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_PerformanceOptionsMember" substitutionGroup="xbrli:item" />
<element name="PerformanceRestrictedStockUnitsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_PerformanceRestrictedStockUnitsMember" substitutionGroup="xbrli:item" />
<element name="ScheduleOfSharebasedPaymentArrangementFairValueOfVestedStockOptionTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_ScheduleOfSharebasedPaymentArrangementFairValueOfVestedStockOptionTableTextBlock" substitutionGroup="xbrli:item" />
<element name="ScheduleOfAccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ScheduleOfAccountingPoliciesTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="ScheduleOfAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ScheduleOfAccountingPoliciesLineItems" substitutionGroup="xbrli:item" />
<element name="ProceedsFromReleaseOfEscrowDeposit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_ProceedsFromReleaseOfEscrowDeposit" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="CashAndCashEquivalentsAndRestrictedCash" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_CashAndCashEquivalentsAndRestrictedCash" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="UncategorizedAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_UncategorizedAbstract" substitutionGroup="xbrli:item" />
<element name="InvestmentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_InvestmentsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="ArbutusBiopharmaCorporationMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ArbutusBiopharmaCorporationMember" substitutionGroup="xbrli:item" />
<element name="DatavantHoldingsIncMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_DatavantHoldingsIncMember" substitutionGroup="xbrli:item" />
<element name="SioGeneTherapiesIncMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_SioGeneTherapiesIncMember" substitutionGroup="xbrli:item" />
<element name="InvestmentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_InvestmentsLineItems" substitutionGroup="xbrli:item" />
<element name="AnnualCompoundedConversionRateForPreferredShare" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_AnnualCompoundedConversionRateForPreferredShare" substitutionGroup="xbrli:item" />
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<element name="ClosingPricePerShare" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_ClosingPricePerShare" substitutionGroup="xbrli:item" />
<element name="ProceedsFromIssuanceOfPreferredStockAndPreferenceStocks" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_ProceedsFromIssuanceOfPreferredStockAndPreferenceStocks" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PreferredStockSharesIssuedAndSoldToCompanyDuringPeriodShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_PreferredStockSharesIssuedAndSoldToCompanyDuringPeriodShares" substitutionGroup="xbrli:item" />
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<element name="OwnershipInterestPercentage" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_OwnershipInterestPercentage" substitutionGroup="xbrli:item" />
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<element name="SiliconTherapeuticsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_SiliconTherapeuticsMember" substitutionGroup="xbrli:item" />
<element name="FutureDevelopmentAndCommercialMilestonePayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_FutureDevelopmentAndCommercialMilestonePayments" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="BusinessCollaborationContingentMilestonePayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_BusinessCollaborationContingentMilestonePayment" substitutionGroup="xbrli:item" xbrli:balance="credit" />
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<element name="PaymentUnderSponsoredResearchAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_PaymentUnderSponsoredResearchAgreement" substitutionGroup="xbrli:item" xbrli:balance="credit" />
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<element name="MilestoneEventsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_MilestoneEventsAxis" substitutionGroup="xbrldt:dimensionItem" />
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<element name="FirstProductFirstProductForEachMolecularTargetCoveredByIntellectualPropertyMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_FirstProductFirstProductForEachMolecularTargetCoveredByIntellectualPropertyMember" substitutionGroup="xbrli:item" />
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<element name="FirstProductTargetsTargetingEachOfTwoSpecifiedInitialTargetsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_FirstProductTargetsTargetingEachOfTwoSpecifiedInitialTargetsMember" substitutionGroup="xbrli:item" />
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<element name="GenevantSciencesLtdMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_GenevantSciencesLtdMember" substitutionGroup="xbrli:item" />
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<element name="ProteovantSciencesIncMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ProteovantSciencesIncMember" substitutionGroup="xbrli:item" />
<element name="FirstTrancheMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_FirstTrancheMember" substitutionGroup="xbrli:item" />
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<element name="TransactionAgreementTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_TransactionAgreementTable" substitutionGroup="xbrldt:hypercubeItem" />
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<element name="SaleOfStockConsiderationCashReceivedOnTransaction" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_SaleOfStockConsiderationCashReceivedOnTransaction" substitutionGroup="xbrli:item" xbrli:balance="debit" />
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<element name="TransitionServicesAndStrategicCooperationAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_TransitionServicesAndStrategicCooperationAgreementMember" substitutionGroup="xbrli:item" />
<element name="AssetPurchaseAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_AssetPurchaseAgreementMember" substitutionGroup="xbrli:item" />
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<element name="SumitomoMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_SumitomoMember" substitutionGroup="xbrli:item" />
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<element name="BalanceSheetComponentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_BalanceSheetComponentsLineItems" substitutionGroup="xbrli:item" />
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<element name="ProfessionalServicesExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ProfessionalServicesExpensesMember" substitutionGroup="xbrli:item" />
<element name="EmployeeRelatedExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_EmployeeRelatedExpensesMember" substitutionGroup="xbrli:item" />
<element name="DeferredRevenueOtherCurrentLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_DeferredRevenueOtherCurrentLiabilities" substitutionGroup="xbrli:item" xbrli:balance="credit" />
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<element name="DebtInstrumentAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_DebtInstrumentAmount" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="CommercialMilestoneMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_CommercialMilestoneMember" substitutionGroup="xbrli:item" />
<element name="RegulatoryMilestoneMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_RegulatoryMilestoneMember" substitutionGroup="xbrli:item" />
<element name="MaximumMilestonePaymentObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_MaximumMilestonePaymentObligation" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="MaximumMilestonePaymentOffsetAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_MaximumMilestonePaymentOffsetAmount" substitutionGroup="xbrli:item" xbrli:balance="debit" />
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<element name="MinimumAmountOfAnnualNetSalesToQualifyUnderRevenueInterestPurchaseAgreementContingentThreshold" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_MinimumAmountOfAnnualNetSalesToQualifyUnderRevenueInterestPurchaseAgreementContingentThreshold" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="NovaquestMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_NovaquestMember" substitutionGroup="xbrli:item" />
<element name="RevenueInterestPurchaseAndSaleAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_RevenueInterestPurchaseAndSaleAgreementMember" substitutionGroup="xbrli:item" />
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<element name="ClassOfWarrantOrRightExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="roiv_ClassOfWarrantOrRightExercisable" substitutionGroup="xbrli:item" />
<element name="EarnOutSharesTermsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_EarnOutSharesTermsDescription" substitutionGroup="xbrli:item" />
<element name="PercentageSharesOfCommonStockOfferedToBeRepurchased" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="roiv_PercentageSharesOfCommonStockOfferedToBeRepurchased" substitutionGroup="xbrli:item" />
<element name="ImmunovantINCMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ImmunovantINCMember" substitutionGroup="xbrli:item" />
<element name="HealthSciencesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_HealthSciencesMember" substitutionGroup="xbrli:item" />
<element name="ImmunovantSciencesLtdMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="roiv_ImmunovantSciencesLtdMember" substitutionGroup="xbrli:item" />
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