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      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001612127</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
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      <issuerInfo>
        <issuerCik>0000908937</issuerCik>
        <issuerName>SIRIUS XM HOLDINGS INC.</issuerName>
        <secFileNumber>001-34295</secFileNumber>
        <issuerAddress>
          <com:street1>1290 AVENUE OF THE AMERICAS</com:street1>
          <com:street2>11TH FLOOR</com:street2>
          <com:city>NEW YORK</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10104</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>212-584-5100</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Salen Kristina</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>12518</noOfUnitsSold>
        <aggregateMarketValue>32546.80</aggregateMarketValue>
        <noOfUnitsOutstanding>3846631694</noOfUnitsOutstanding>
        <approxSaleDate>06/12/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/03/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12518</amountOfSecuritiesAcquired>
        <paymentDate>06/03/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Kristina Salen</name>
          <address>
            <com:street1>1221 Avenue of the Americas</com:street1>
            <com:street2>35th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10020</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>06/05/2024</saleDate>
        <amountOfSecuritiesSold>12518</amountOfSecuritiesSold>
        <grossProceeds>32797.16</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/12/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>06/14/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Kristina Salen</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001612127
  XXXXXXXX
  LIVE
  0000908937
  SIRIUS XM HOLDINGS INC.
  001-34295
  1290 AVENUE OF THE AMERICAS
  11TH FLOOR
  NEW YORK
  NY
  10104
  212-584-5100
  Salen Kristina
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  12518
  32546.80
  3846631694
  06/12/2024
  NASDAQ
  Common
  06/03/2024
  Restricted Stock Vesting
  Issuer
  N
  12518
  06/03/2024
  Compensation
  N
  Kristina Salen
  1221 Avenue of the Americas
  35th Floor
  New York
  NY
  10020
  Common
  06/05/2024
  12518
  32797.16
  06/12/2024
  06/14/2023
  /s/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Kristina Salen