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>0002020220</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001943896</issuerCik>
  <issuerName>Rubrik, Inc.</issuerName>
  <secFileNumber>001-42028</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">3495 DEER CREEK ROAD</street1>
  <city xmlns="http://www.sec.gov/edgar/common">PALO ALTO</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94304</zipCode>
  </issuerAddress>
  <issuerContactPhone>844-478-2745</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Choudary Kiran Kumar</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Officer</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Morgan Stanley Smith Barney LLC </name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">1 New York Plaza 39th 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">10004</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>51632</noOfUnitsSold>
  <aggregateMarketValue>1627440.64</aggregateMarketValue>
  <noOfUnitsOutstanding>69118119</noOfUnitsOutstanding>
  <approxSaleDate>09/26/2024</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
  <acquiredDate>09/26/2024</acquiredDate>
  <natureOfAcquisitionTransaction>Restricted Stock Units vesting under a registered plan</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>51632</amountOfSecuritiesAcquired>
  <paymentDate>09/26/2024</paymentDate>
  <natureOfPayment>Compensation</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <remarks>This is a sell-to-cover transaction for taxes owed related to recent vestings of stock unit awards granted by the issuer.</remarks>
  <noticeSignature>
  <noticeDate>09/27/2024</noticeDate>
  <signature>/s/ Kiran Kumar Choudary</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2869}]
text: 144
  0002020220
  XXXXXXXX
  LIVE
  0001943896
  Rubrik, Inc.
  001-42028
  3495 DEER CREEK ROAD
  PALO ALTO
  CA
  94304
  844-478-2745
  Choudary Kiran Kumar
  Officer
  Class A Common Stock
  Morgan Stanley Smith Barney LLC
  1 New York Plaza 39th Floor
  New York
  NY
  10004
  51632
  1627440.64
  69118119
  09/26/2024
  NYSE
  Class A Common Stock
  09/26/2024
  Restricted Stock Units vesting under a registered plan
  Issuer
  N
  51632
  09/26/2024
  Compensation
  Y
  This is a sell-to-cover transaction for taxes owed related to recent vestings of stock unit awards granted by the issuer.
  09/27/2024
  /s/ Kiran Kumar Choudary