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          <filerCik>0001900590</filerCik>
          <filerCcc>XXXXXXXX</filerCcc>
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      <period>12-31-2024</period>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>true</overrideInternetFlag>
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    <issuerInformation>
      <issuerInfo>
        <nameOfIssuer>AJNA BioSciences PBC</nameOfIssuer>
        <legalStatus>
          <legalStatusForm>Other</legalStatusForm>
          <legalStatusOtherDesc>Public Benefit Corporation</legalStatusOtherDesc>
          <jurisdictionOrganization>DE</jurisdictionOrganization>
          <dateIncorporation>04-21-2021</dateIncorporation>
        </legalStatus>
        <issuerAddress>
          <com:street1>8022 Southpark Circle</com:street1>
          <com:street2>Suite 500</com:street2>
          <com:city>Littleton</com:city>
          <com:stateOrCountry>CO</com:stateOrCountry>
          <com:zipCode>80120</com:zipCode>
        </issuerAddress>
        <issuerWebsite>https://ajnabiosciences.com/</issuerWebsite>
      </issuerInfo>
      <isCoIssuer>N</isCoIssuer>
    </issuerInformation>
    <annualReportDisclosureRequirements>
      <currentEmployees>20</currentEmployees>
      <totalAssetMostRecentFiscalYear>16627450.00</totalAssetMostRecentFiscalYear>
      <totalAssetPriorFiscalYear>13306444.00</totalAssetPriorFiscalYear>
      <cashEquiMostRecentFiscalYear>1927679.00</cashEquiMostRecentFiscalYear>
      <cashEquiPriorFiscalYear>984298.00</cashEquiPriorFiscalYear>
      <actReceivedMostRecentFiscalYear>0.00</actReceivedMostRecentFiscalYear>
      <actReceivedPriorFiscalYear>0.00</actReceivedPriorFiscalYear>
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    <signatureInfo>
      <issuerSignature>
        <issuer>AJNA BioSciences PBC</issuer>
        <issuerSignature>Joel Stanley</issuerSignature>
        <issuerTitle>CEO &amp; Co-Founder</issuerTitle>
      </issuerSignature>
      <signaturePersons>
        <signaturePerson>
          <personSignature>Joel Stanley</personSignature>
          <personTitle>CEO &amp; Co-Founder</personTitle>
          <signatureDate>04-02-2025</signatureDate>
        </signaturePerson>
        <signaturePerson>
          <personSignature>Jesse Stanley</personSignature>
          <personTitle>Board Member &amp; C0-Founder</personTitle>
          <signatureDate>04-02-2025</signatureDate>
        </signaturePerson>
      </signaturePersons>
    </signatureInfo>
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