<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001252243</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001493594</issuerCik>
      <issuerName>MACOM Technology Solutions Holdings, Inc.</issuerName>
      <secFileNumber>001-35451</secFileNumber>
      <issuerAddress>
        <com:street1>100 CHELMSFORD STREET</com:street1>
        <com:city>LOWELL</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>01851</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(978) 656-2500</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>OCAMPO SUSAN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corporation</name>
        <address>
          <com:street1>3000 Shwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1000000</noOfUnitsSold>
      <aggregateMarketValue>124990000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>74339819</noOfUnitsOutstanding>
      <approxSaleDate>02/10/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/30/2009</acquiredDate>
      <natureOfAcquisitionTransaction>Founder Shares</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1000000</amountOfSecuritiesAcquired>
      <paymentDate>06/30/2009</paymentDate>
      <natureOfPayment>Founder Stock</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/13/2024</saleDate>
      <amountOfSecuritiesSold>25351</amountOfSecuritiesSold>
      <grossProceeds>3296771.19</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/14/2024</saleDate>
      <amountOfSecuritiesSold>26886</amountOfSecuritiesSold>
      <grossProceeds>3425265.44</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/15/2024</saleDate>
      <amountOfSecuritiesSold>105782</amountOfSecuritiesSold>
      <grossProceeds>13081909.97</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/18/2024</saleDate>
      <amountOfSecuritiesSold>1789</amountOfSecuritiesSold>
      <grossProceeds>223625.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/21/2024</saleDate>
      <amountOfSecuritiesSold>600000</amountOfSecuritiesSold>
      <grossProceeds>70980000.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/22/2024</saleDate>
      <amountOfSecuritiesSold>40192</amountOfSecuritiesSold>
      <grossProceeds>5361404.61</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/25/2024</saleDate>
      <amountOfSecuritiesSold>12438</amountOfSecuritiesSold>
      <grossProceeds>1700649.48</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/26/2024</saleDate>
      <amountOfSecuritiesSold>187562</amountOfSecuritiesSold>
      <grossProceeds>25198295.03</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Susan Ocampo Trustee Ocampo Family Trust 100,000 shares
Susan Ocampo Trustee Trust Agreement for Bobby J. Ocampo 150,000 shares
Susan Ocampo Trustee Trust Agreement for Ashley Ocampo 150,000 shares
Susan Ocampo Trustee Trust Agreement for Joshua Ocampo 150,000 shares
Susan Ocampo Trustee Non-Grantor Trust for Bobby J. Ocampo 150,000 shares
Susan Ocampo Trustee Non-Grantor Trust for Ashley Ocampo 150,000 shares
Susan Ocampo Trustee Non-Grantor Trust for Joshua Ocampo 150,000 shares
4 week average trading volume used to calculate number of shares sold = 3,638,100</remarks>
    <noticeSignature>
      <noticeDate>02/10/2025</noticeDate>
      <signature>Susan Ocampo</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
