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  <headerData>
    <submissionType>N-PX</submissionType>
    <filerInfo>
      <registrantType>IM</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0001222012</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <periodOfReport>06/30/2024</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2024</reportCalendarYear>
      <reportingPerson>
        <name>Afeyan Noubar</name>
        <phoneNumber>617-868-1888</phoneNumber>
        <address>
          <com:street1>C/O FLAGSHIP PIONEERING, INC.</com:street1>
          <com:street2>55 CAMBRIDGE PARKWAY, SUITE 800E</com:street2>
          <com:city>Cambridge</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02142</com:zipCode>
        </address>
      </reportingPerson>
      <agentForService/>
      <reportInfo>
        <reportType>INSTITUTIONAL MANAGER NOTICE REPORT</reportType>
        <noticeExplanation>ALL VOTES BY OTHER PERSONS</noticeExplanation>
        <confidentialTreatment>N</confidentialTreatment>
      </reportInfo>
      <fileNumber>028-19988</fileNumber>
      <otherManagersInfo>
        <otherManager>
          <icaOr13FFileNumber>028-17559</icaOr13FFileNumber>
          <managerName>Flagship Pioneering Inc.</managerName>
        </otherManager>
      </otherManagersInfo>
      <explanatoryInformation>
        <explanatoryChoice>N</explanatoryChoice>
      </explanatoryInformation>
    </coverPage>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
    </summaryPage>
    <signaturePage>
      <reportingPerson>Afeyan Noubar</reportingPerson>
      <txSignature>Noubar B. Afeyan, Ph.D.</txSignature>
      <txPrintedSignature>Noubar B. Afeyan, Ph.D.</txPrintedSignature>
      <txTitle>Filer</txTitle>
      <txAsOfDate>09/03/2024</txAsOfDate>
    </signaturePage>
  </formData>
</edgarSubmission>
