<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Fri Jul 24 08:44:07 UTC 2026 -->
<xs:schema elementFormDefault="qualified" xmlns:ck0001984165="http://www.actiniumpharma.com/20260729" targetNamespace="http://www.actiniumpharma.com/20260729" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://fasb.org/us-types/2026" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001984165-20260729_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001984165-20260729_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0001984165-20260729_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cef/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cef-pre/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026_pre.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:element name="ClassAMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClassAMember"/>
  <xs:element name="ClassDMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClassDMember"/>
  <xs:element name="ClassEMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClassEMember"/>
  <xs:element name="ClassFMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClassFMember"/>
  <xs:element name="ClassIMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClassIMember"/>
  <xs:element name="ClassRMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClassRMember"/>
  <xs:element name="ActiveInvestmentManagementRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ActiveInvestmentManagementRiskMember"/>
  <xs:element name="AvailabilityOfInvestmentOpportunitiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_AvailabilityOfInvestmentOpportunitiesMember"/>
  <xs:element name="PrivateEquityInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_PrivateEquityInvestmentsMember"/>
  <xs:element name="JCurvePerformanceRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_JCurvePerformanceRiskMember"/>
  <xs:element name="MarketRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_MarketRiskMember"/>
  <xs:element name="GeographicConcentrationRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_GeographicConcentrationRisksMember"/>
  <xs:element name="SectorConcentrationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_SectorConcentrationRiskMember"/>
  <xs:element name="InfrastructureSectorRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_InfrastructureSectorRiskMember"/>
  <xs:element name="RealEstateSectorRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_RealEstateSectorRiskMember"/>
  <xs:element name="RealAssetsInvestmentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_RealAssetsInvestmentsRiskMember"/>
  <xs:element name="VentureCapitalAndGrowthEquityRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_VentureCapitalAndGrowthEquityRiskMember"/>
  <xs:element name="GPStakesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_GPStakesRiskMember"/>
  <xs:element name="InvestmentsInTheDebtSecuritiesOfSmallOrMiddleMarketPortfolioCompaniesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_InvestmentsInTheDebtSecuritiesOfSmallOrMiddleMarketPortfolioCompaniesRiskMember"/>
  <xs:element name="FirstLienSeniorSecuredLoansSecondLienSeniorSecuredLoansAndUnitrancheDebtMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_FirstLienSeniorSecuredLoansSecondLienSeniorSecuredLoansAndUnitrancheDebtMember"/>
  <xs:element name="MezzanineInvestmentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_MezzanineInvestmentsRiskMember"/>
  <xs:element name="ForeignInvestmentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ForeignInvestmentsRiskMember"/>
  <xs:element name="RegionalCountryFocusRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_RegionalCountryFocusRiskMember"/>
  <xs:element name="InvestmentsInAsianSecuritiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_InvestmentsInAsianSecuritiesMember"/>
  <xs:element name="ChinaInvestmentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ChinaInvestmentsRiskMember"/>
  <xs:element name="IlliquidAndRestrictedSecuritiesRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_IlliquidAndRestrictedSecuritiesRisksMember"/>
  <xs:element name="LeverageRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_LeverageRiskMember"/>
  <xs:element name="DailyValuationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_DailyValuationRiskMember"/>
  <xs:element name="ValuationOfPrivateInvestmentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ValuationOfPrivateInvestmentsRiskMember"/>
  <xs:element name="ValuationsSubjectToAdjustmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ValuationsSubjectToAdjustmentMember"/>
  <xs:element name="IndemnificationOfInvestmentFundsInvestmentManagersAndOthersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_IndemnificationOfInvestmentFundsInvestmentManagersAndOthersMember"/>
  <xs:element name="TerminationOfTheFundsInterestInAnInvestmentFundMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_TerminationOfTheFundsInterestInAnInvestmentFundMember"/>
  <xs:element name="GeneralRisksOfSecondaryInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_GeneralRisksOfSecondaryInvestmentsMember"/>
  <xs:element name="ForceMajeureRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ForceMajeureRiskMember"/>
  <xs:element name="NatureOfPortfolioCompaniesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_NatureOfPortfolioCompaniesMember"/>
  <xs:element name="NonDiversificationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_NonDiversificationRiskMember"/>
  <xs:element name="NewFundRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_NewFundRiskMember"/>
  <xs:element name="USGovernmentSecuritiesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_USGovernmentSecuritiesRiskMember"/>
  <xs:element name="ValuationRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ValuationRisksMember"/>
  <xs:element name="ClosedendIntervalFundLiquidityRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ClosedendIntervalFundLiquidityRiskMember"/>
  <xs:element name="RepurchaseRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_RepurchaseRisksMember"/>
  <xs:element name="SubstantialRepurchasesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_SubstantialRepurchasesMember"/>
  <xs:element name="PossibleExclusionOfAShareholderBasedOnCertainDetrimentalEffectsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_PossibleExclusionOfAShareholderBasedOnCertainDetrimentalEffectsMember"/>
  <xs:element name="UseOfCashOrMoneyMarketInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_UseOfCashOrMoneyMarketInvestmentsMember"/>
  <xs:element name="InterestRateRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_InterestRateRisksMember"/>
  <xs:element name="DerivativesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_DerivativesRiskMember"/>
  <xs:element name="FuturesAndOptionsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_FuturesAndOptionsRiskMember"/>
  <xs:element name="CommoditiesRelatedInvestmentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_CommoditiesRelatedInvestmentsRiskMember"/>
  <xs:element name="MortgageRelatedInstrumentsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_MortgageRelatedInstrumentsRiskMember"/>
  <xs:element name="OtherRisksRelatingToTheFundMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_OtherRisksRelatingToTheFundMember"/>
  <xs:element name="SubstantialFeesAndExpensesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_SubstantialFeesAndExpensesMember"/>
  <xs:element name="DistributionsInKindMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_DistributionsInKindMember"/>
  <xs:element name="IncentiveAllocationArrangementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_IncentiveAllocationArrangementsMember"/>
  <xs:element name="ControlPositionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_ControlPositionsMember"/>
  <xs:element name="InadequateReturnMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_InadequateReturnMember"/>
  <xs:element name="InsideInformationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_InsideInformationMember"/>
  <xs:element name="RecourseToTheFundsAssetsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_RecourseToTheFundsAssetsMember"/>
  <xs:element name="SubstantialRepurchasesOtherRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_SubstantialRepurchasesOtherRisksMember"/>
  <xs:element name="CurrencyRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_CurrencyRiskMember"/>
  <xs:element name="EmergingMarketsRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_EmergingMarketsRiskMember"/>
  <xs:element name="EquityRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_EquityRiskMember"/>
  <xs:element name="SpecialPurposeAcquisitionCompaniesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_SpecialPurposeAcquisitionCompaniesRiskMember"/>
  <xs:element name="LargeShareholderTransactionRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_LargeShareholderTransactionRiskMember"/>
  <xs:element name="SpecialTaxRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_SpecialTaxRisksMember"/>
  <xs:element name="AdditionalTaxConsiderationsDistributionsToShareholdersAndPotentialFundLevelTaxLiabilitiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_AdditionalTaxConsiderationsDistributionsToShareholdersAndPotentialFundLevelTaxLiabilitiesMember"/>
  <xs:element name="OperationalRisksAssociatedWithCybersecurityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_OperationalRisksAssociatedWithCybersecurityMember"/>
  <xs:element name="OtherInvestmentCompaniesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_OtherInvestmentCompaniesRiskMember"/>
  <xs:element name="RegulatoryAndLegalRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_RegulatoryAndLegalRisksMember"/>
<!-- [WMV7][WYFl8zfjtnSwLrQ3LtrLX80EgDlz3En7lck/Q+rg8OfK6/40c5V/BJUugdkegeBd2YpVSXcjmkGY1EFzjk04JtIeeP54W91cWyr4VuyLi7d/Ls59799MMCh/2VmjISLIR+gnZ2reYzVUHnrJY4mwsYI/jUWDkIf8a0DejZXWyWpqWNV9K/FCVx9Wsj6yCCagYQI505kev6vvqOk1wDdZ/IfGwdX1F+ZWK3i+fmFA87o8BFozXliBlgObdD3Cwb2tpfFki9MPZuWCPBGccIuMbH6J9Q+UFkMu7FDZZs09UQlgsfzVoqHmlW/uDrMFC0kywjO43cp7CcDOgZhBBt8RaHp5oN6KV+xl3auOqeSIntRzxsot2iiqBr7mQ84=] CSR-->
  <xs:element name="LimitsOfRiskDisclosuresMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0001984165_LimitsOfRiskDisclosuresMember"/>
</xs:schema>
