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            <principalCountry>CH</principalCountry>
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        </principalTransactions>
        <principalAggregatePurchase>536503350.00000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>687815445.00000000</mnthlyAvgNetAssets>
      </managementInvestmentQuestion>
    </managementInvestmentQuestionSeriesInfo>
    <closedEndManagementInvestment>
      <securityRelatedItems>
        <securityRelatedItem>
          <description>Common stock</description>
          <securityClassTitle>Pioneer ILS Interval Fund</securityClassTitle>
          <commonStocks>
            <commonStock commonStockExchange="XNAS" commonStockTickerSymbol="XILSX"/>
          </commonStocks>
        </securityRelatedItem>
      </securityRelatedItems>
      <isRightsOffering>N</isRightsOffering>
      <isSecondaryOffering>N</isSecondaryOffering>
      <repurchaseSecurities isRepurchaseSecurity="Y">
        <repurchaseSecurityType>Common stock</repurchaseSecurityType>
      </repurchaseSecurities>
      <isDefaultLongTermDebt>N</isDefaultLongTermDebt>
      <isDividendsInArrears>N</isDividendsInArrears>
      <isSecuritiesModified>N</isSecuritiesModified>
      <managementFee>1.60000000</managementFee>
      <netOperatingExpenses>1.75000000</netOperatingExpenses>
      <marketPricePerShare>N/A</marketPricePerShare>
      <netAssetValuePerShare>10.21000000</netAssetValuePerShare>
    </closedEndManagementInvestment>
    <attachmentsTab>
      <isLegalProceedings>false</isLegalProceedings>
      <isProvisionFinancialSupport>false</isProvisionFinancialSupport>
      <isIPAReportInternalControl>true</isIPAReportInternalControl>
      <isChangeAccPrinciples>false</isChangeAccPrinciples>
      <isInfoRequiredEO>false</isInfoRequiredEO>
      <isOtherInfoRequired>false</isOtherInfoRequired>
      <isMaterialAmendments>false</isMaterialAmendments>
      <isInstDefiningRights>false</isInstDefiningRights>
      <isNewOrAmendedInvAdvContracts>false</isNewOrAmendedInvAdvContracts>
      <isInfoItem405>false</isInfoItem405>
      <isCodeOfEthics>false</isCodeOfEthics>
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    <signature registrantSignedName="Pioneer ILS Interval Fund" signedDate="2026-01-09" signature="Carol D. Trevino" title="Treasurer"/>
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</edgarSubmission>
