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    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001305849</cik>
        <entityName>Hemanext Inc.</entityName>
        <issuerAddress>
            <street1>99 HAYDEN AVENUE, BUILDING B</street1>
            <street2>SUITE 620</street2>
            <city>LEXINGTON</city>
            <stateOrCountry>MA</stateOrCountry>
            <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
            <zipCode>02421</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(781) 301-7463</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>New Health Sciences, Inc.</previousName>
            <previousName>New Health Sciences Inc</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

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                <firstName>Andrew</firstName>
                <lastName>Dunham</lastName>
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            <relatedPersonAddress>
                <street1>c/o Hemanext Inc.</street1>
                <street2>99 Hayden Avenue, Building B, Suite 620</street2>
                <city>Lexington</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>02421</zipCode>
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                <relationship>Director</relationship>
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            <relatedPersonName>
                <firstName>Eric</firstName>
                <middleName>J.</middleName>
                <lastName>Newman</lastName>
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                <street1>c/o Hemanext Inc.</street1>
                <street2>99 Hayden Avenue, Building B, Suite 620</street2>
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                <zipCode>02421</zipCode>
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                <firstName>Laurel</firstName>
                <lastName>Omert</lastName>
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                <street1>c/o Hemanext Inc.</street1>
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                <city>Lexington</city>
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                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>02421</zipCode>
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            <relationshipClarification>Chief Medical Officer</relationshipClarification>
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            <relatedPersonName>
                <firstName>Laura</firstName>
                <lastName>Daniels</lastName>
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                <street1>c/o Hemanext Inc.</street1>
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                <zipCode>02421</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Haime</lastName>
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                <street1>c/o Hemanext Inc.</street1>
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                <city>Lexington</city>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jill</firstName>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Stephen</firstName>
                <middleName>A.</middleName>
                <lastName>Eckert</lastName>
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                <zipCode>02421</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification>Chairman of the Board of Directors</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <lastName>Testa</lastName>
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                <street1>c/o Hemanext Inc.</street1>
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                <zipCode>02421</zipCode>
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                <lastName>O'Neill</lastName>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Paul</firstName>
                <middleName>M.</middleName>
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                <firstName>Daan</firstName>
                <lastName>Kok</lastName>
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                <zipCode>02421</zipCode>
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            </relatedPersonRelationshipList>
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        <relatedPersonInfo>
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                <firstName>Ismail</firstName>
                <lastName>Kola</lastName>
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                <street1>c/o Hemanext Inc.</street1>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Other Health Care</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
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        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2025-07-18</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Octavian AG</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>Hottingerstrasse 12</street1>
                    <city>Zurich</city>
                    <stateOrCountry>V8</stateOrCountry>
                    <stateOrCountryDescription>SWITZERLAND</stateOrCountryDescription>
                    <zipCode>CH-8032</zipCode>
                </recipientAddress>
                <statesOfSolicitationList></statesOfSolicitationList>
                <foreignSolicitation>true</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>24000000</totalOfferingAmount>
            <totalAmountSold>19978442</totalAmountSold>
            <totalRemaining>4021558</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>29</totalNumberAlreadyInvested>
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        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>41250</dollarAmount>
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            <findersFees>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
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        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Hemanext Inc.</issuerName>
                <signatureName>/s/ Eric J. Newman</signatureName>
                <nameOfSigner>Eric J. Newman</nameOfSigner>
                <signatureTitle>Vice President Chief Financial Officer &amp; Corporate Secretary</signatureTitle>
                <signatureDate>2025-08-04</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
