content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001816417</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001799208</issuerCik>
  <issuerName>Dun &amp; Bradstreet Holdings, Inc.</issuerName>
  <secFileNumber>001-39361</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">5335 GATE PARKWAY</street1>
  <city xmlns="http://www.sec.gov/edgar/common">JACKSONVILLE</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">FL</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">32256</zipCode>
  </issuerAddress>
  <issuerContactPhone>904-648-6350</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DNB Holdco, LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Affiliate</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>BofA Securities Inc</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">One Bryant Park, 8th Floor</street1>
  <city xmlns="http://www.sec.gov/edgar/common">New York</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">10036</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>1000000</noOfUnitsSold>
  <aggregateMarketValue>9066100</aggregateMarketValue>
  <noOfUnitsOutstanding>446424575</noOfUnitsOutstanding>
  <approxSaleDate>06/17/2025</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common</securitiesClassTitle>
  <acquiredDate>02/15/2022</acquiredDate>
  <natureOfAcquisitionTransaction>On February 15, 2022, affiliates of the Reporting Person completed the sale of their ownership interests in Optimal Blue Holdco, LLC to Black Knight, Inc. and its subsidiaries and received 21.8 million shares of common stock of the Issuer as partial consi</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>See Nature of Acquisition Transaction Column</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>21825516</amountOfSecuritiesAcquired>
  <paymentDate>02/15/2022</paymentDate>
  <natureOfPayment>See Nature of Acquisition Transaction Column</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <noticeSignature>
  <noticeDate>06/17/2025</noticeDate>
  <signature>Bryan D Coy</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2967}]
text: 144
  0001816417
  XXXXXXXX
  LIVE
  0001799208
  Dun & Bradstreet Holdings, Inc.
  001-39361
  5335 GATE PARKWAY
  JACKSONVILLE
  FL
  32256
  904-648-6350
  DNB Holdco, LLC
  Affiliate
  Common
  BofA Securities Inc
  One Bryant Park, 8th Floor
  New York
  NY
  10036
  1000000
  9066100
  446424575
  06/17/2025
  NYSE
  Common
  02/15/2022
  On February 15, 2022, affiliates of the Reporting Person completed the sale of their ownership interests in Optimal Blue Holdco, LLC to Black Knight, Inc. and its subsidiaries and received 21.8 million shares of common stock of the Issuer as partial consi
  See Nature of Acquisition Transaction Column
  N
  21825516
  02/15/2022
  See Nature of Acquisition Transaction Column
  Y
  06/17/2025
  Bryan D Coy