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        <filer>
          <filerCredentials>
            <cik>0001624149</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
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      <issuerInfo>
        <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>10% Stockholder</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>555 California St</com:street1>
            <com:street2>18th Floor</com:street2>
            <com:city>San Francisco</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94104</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>1322238</noOfUnitsSold>
        <aggregateMarketValue>21000000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>129596430</noOfUnitsOutstanding>
        <approxSaleDate>05/11/2023</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <acquiredDate>02/27/2017</acquiredDate>
        <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1322238</amountOfSecuritiesAcquired>
        <paymentDate>02/27/2017</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>15 Angels III, LLC</name>
          <address>
            <com:street1>1865 Palmer Ave. Ste 104</com:street1>
            <com:city>Larchmont</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10538</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <saleDate>02/23/2023</saleDate>
        <amountOfSecuritiesSold>18228</amountOfSecuritiesSold>
        <grossProceeds>222746.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Bessemer Venture Partners IX, LP</name>
          <address>
            <com:street1>1865 Palmer Ave, Ste 104</com:street1>
            <com:city>Larchmont</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10538</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <saleDate>02/23/2023</saleDate>
        <amountOfSecuritiesSold>1100280</amountOfSecuritiesSold>
        <grossProceeds>13445421.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Bessemer Venture Partners IX Institutional, LP</name>
          <address>
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            <com:city>Larchmont</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10538</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <saleDate>02/23/2023</saleDate>
        <amountOfSecuritiesSold>881492</amountOfSecuritiesSold>
        <grossProceeds>10771832.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/11/2023</noticeDate>
        <signature>Sandra Grippo</signature>
      </noticeSignature>
    </formData>
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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.
  10% Stockholder
  Class A Common
  Merrill Lynch
  555 California St
  18th Floor
  San Francisco
  CA
  94104
  1322238
  21000000.00
  129596430
  05/11/2023
  Nasdaq
  Class A Common
  02/27/2017
  Private Placement
  Issuer
  N
  1322238
  02/27/2017
  Cash
  N
  15 Angels III, LLC
  1865 Palmer Ave. Ste 104
  Larchmont
  NY
  10538
  Class A Common
  02/23/2023
  18228
  222746.00
  Bessemer Venture Partners IX, LP
  1865 Palmer Ave, Ste 104
  Larchmont
  NY
  10538
  Class A Common
  02/23/2023
  1100280
  13445421.00
  Bessemer Venture Partners IX Institutional, LP
  1865 Palmer Ave. Ste 104
  Larchmont
  NY
  10538
  Class A Common
  02/23/2023
  881492
  10771832.00
  05/11/2023
  Sandra Grippo