<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 31-July-2026 [02:29:20] {PM}-->
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  <annotation>
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        <link:definition>1001 - Disclosure - N-2 - [Fee Table]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wealth.amg.com/role/N2InvestmentObjectives" id="N2InvestmentObjectives">
        <link:definition>1002 - Disclosure - N-2 - [Investment Objectives]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wealth.amg.com/role/N2RiskFactors" id="N2RiskFactors">
        <link:definition>1003 - Disclosure - N-2 - [Risk Factors]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wealth.amg.com/role/N2CapitalStock" id="N2CapitalStock">
        <link:definition>1004 - Disclosure - N-2 - [Capital Stock]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.wealth.amg.com/role/N2OutstandingSecurities" id="N2OutstandingSecurities">
        <link:definition>1005 - Disclosure - N-2 - [Outstanding Securities]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:linkbase id="lnk" >
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#N2" roleURI="http://xbrl.sec.gov/cef/role/N2"  />
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#RiskOnly" roleURI="http://xbrl.sec.gov/cef/role/RiskOnly"  />
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#SecurityOnly" roleURI="http://xbrl.sec.gov/cef/role/SecurityOnly"  />
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          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0002046200_OtherRisksMember_200597" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />
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          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_CommonSharesMember" xlink:label="loc_cik0002046200_CommonSharesMember_200592" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_CommonSharesMember_200592" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassSMember" xlink:label="loc_cik0002046200_ClassSMember_200593" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_ClassSMember_200593" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassIMember" xlink:label="loc_cik0002046200_ClassIMember_200594" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_ClassIMember_200594" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassMMember" xlink:label="loc_cik0002046200_ClassMMember_200595" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_ClassMMember_200595" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AddressTypeDomain" xlink:label="loc_dei_AddressTypeDomain_200069" />
        </link:presentationLink>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"  />
        <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/SecurityOnly" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_200072" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassIMember" xlink:label="loc_cik0002046200_ClassIMember_200594" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_ClassIMember_200594" use="optional" order="1" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassMMember" xlink:label="loc_cik0002046200_ClassMMember_200595" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_ClassMMember_200595" use="optional" order="2" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassSMember" xlink:label="loc_cik0002046200_ClassSMember_200593" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_ClassSMember_200593" use="optional" order="3" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_CommonSharesMember" xlink:label="loc_cik0002046200_CommonSharesMember_200592" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_CommonSharesMember_200592" use="optional" order="4" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_PurchaseAmountMember" xlink:label="loc_cik0002046200_PurchaseAmountMember_200590" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_PurchaseAmountMember_200590" use="optional" order="5" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_RepurchasedAmountMember" xlink:label="loc_cik0002046200_RepurchasedAmountMember_200591" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0002046200_RepurchasedAmountMember_200591" use="optional" order="6" />
        </link:definitionLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/RiskOnly" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#cef_AllRisksMember" xlink:label="loc_cef_AllRisksMember_200074" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_GeneralRisksMember" xlink:label="loc_cik0002046200_GeneralRisksMember_200596" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0002046200_GeneralRisksMember_200596" use="optional" order="7" />
          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_OtherRisksMember" xlink:label="loc_cik0002046200_OtherRisksMember_200597" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cef_AllRisksMember_200074" xlink:to="loc_cik0002046200_OtherRisksMember_200597" use="optional" order="8" />
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          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_GeneralRisksMember" xlink:label="loc_cik0002046200_GeneralRisksMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0002046200_GeneralRisksMember" xml:lang="en-US">General Risks [Member]</link:label>
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          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_OtherRisksMember" xlink:label="loc_cik0002046200_OtherRisksMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0002046200_OtherRisksMember" xml:lang="en-US">Other Risks [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_cik0002046200_OtherRisksMember" xlink:to="lab_cik0002046200_OtherRisksMember" />
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          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_cik0002046200_ClassIMember" xml:lang="en-US">Class I [Member]</link:label>
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          <link:loc xlink:type="locator" xlink:href="cik0002046200-20260731.xsd#cik0002046200_ClassMMember" xlink:label="loc_cik0002046200_ClassMMember" />
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  <import namespace="http://xbrl.sec.gov/cef-pre/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026_pre.xsd" />
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
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  <import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
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  <element name="ClassSMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="cik0002046200_ClassSMember" substitutionGroup="xbrli:item" />
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</schema>
