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          <filerCredentials>
            <cik>0001624149</cik>
            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
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        <issuerCik>0001637873</issuerCik>
        <issuerName>ACV Auctions Inc.</issuerName>
        <secFileNumber>001-40256</secFileNumber>
        <issuerAddress>
          <com:street1>640 ELLICOTT STREET</com:street1>
          <com:city>BUFFALO</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>14203</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>585-317-0406</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Bessemer Venture Partners IX Institutional L.P.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch Pierce Fenner and Smith</name>
          <address>
            <com:street1>One Bryant Park</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10036</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>312667</noOfUnitsSold>
        <aggregateMarketValue>5130865.47</aggregateMarketValue>
        <noOfUnitsOutstanding>141015776</noOfUnitsOutstanding>
        <approxSaleDate>02/23/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <acquiredDate>08/12/2016</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>312667</amountOfSecuritiesAcquired>
        <paymentDate>08/12/2016</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/23/2024</noticeDate>
        <signature>Sandra Grippo</signature>
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text: 144
  0001624149
  XXXXXXXX
  LIVE
  0001637873
  ACV Auctions Inc.
  001-40256
  640 ELLICOTT STREET
  BUFFALO
  NY
  14203
  585-317-0406
  Bessemer Venture Partners IX Institutional L.P.
  Director
  Class A Common
  Merrill Lynch Pierce Fenner and Smith
  One Bryant Park
  New York
  NY
  10036
  312667
  5130865.47
  141015776
  02/23/2024
  NASDAQ
  Class A
  08/12/2016
  Private Placement
  Issuer
  N
  312667
  08/12/2016
  Cash
  Y
  02/23/2024
  Sandra Grippo