content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001779755</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001832038</issuerCik>
        <issuerName>Invivyd, Inc.</issuerName>
        <secFileNumber>001-40703</secFileNumber>
        <issuerAddress>
          <com:street1>1601 TRAPELO ROAD</com:street1>
          <com:street2>SUITE 178</com:street2>
          <com:city>WALTHAM</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02451</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(781) 819-0080</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Polaris Partners IX, L.P.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Morgan Stanley Smith Barney LLC</name>
          <address>
            <com:street1>Executive Financial Services</com:street1>
            <com:street2>1 New York Plaza</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10004</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>1000000</noOfUnitsSold>
        <aggregateMarketValue>186574.94</aggregateMarketValue>
        <noOfUnitsOutstanding>119315787</noOfUnitsOutstanding>
        <approxSaleDate>05/29/2024</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>07/09/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Private Acquisition from Issuer/Affiliate</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1000000</amountOfSecuritiesAcquired>
        <paymentDate>07/09/2020</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/29/2024</noticeDate>
        <signature>/s/ Harold Friedman</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2851}]
text: 144
  0001779755
  XXXXXXXX
  LIVE
  0001832038
  Invivyd, Inc.
  001-40703
  1601 TRAPELO ROAD
  SUITE 178
  WALTHAM
  MA
  02451
  (781) 819-0080
  Polaris Partners IX, L.P.
  Director
  Common
  Morgan Stanley Smith Barney LLC
  Executive Financial Services
  1 New York Plaza
  New York
  NY
  10004
  1000000
  186574.94
  119315787
  05/29/2024
  Nasdaq
  Common
  07/09/2020
  Private Acquisition from Issuer/Affiliate
  Issuer
  N
  1000000
  07/09/2020
  Cash
  Y
  05/29/2024
  /s/ Harold Friedman