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    <filerInfo>
      <filer>
        <filerCredentials>
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          <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 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1000000</noOfUnitsSold>
      <aggregateMarketValue>118080000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>74390671</noOfUnitsOutstanding>
      <approxSaleDate>05/12/2025</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>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>LOWELL</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/13/2025</saleDate>
      <amountOfSecuritiesSold>74472</amountOfSecuritiesSold>
      <grossProceeds>9164068.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/14/2025</saleDate>
      <amountOfSecuritiesSold>286635</amountOfSecuritiesSold>
      <grossProceeds>35342990.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/18/2025</saleDate>
      <amountOfSecuritiesSold>300000</amountOfSecuritiesSold>
      <grossProceeds>37238358.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/19/2025</saleDate>
      <amountOfSecuritiesSold>36884</amountOfSecuritiesSold>
      <grossProceeds>4576627.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/20/2025</saleDate>
      <amountOfSecuritiesSold>97527</amountOfSecuritiesSold>
      <grossProceeds>12101011.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/21/2025</saleDate>
      <amountOfSecuritiesSold>11459</amountOfSecuritiesSold>
      <grossProceeds>1421726.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Susan Ocampo</name>
        <address>
          <com:street1>100 CHELMSFORD STREET</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/27/2025</saleDate>
      <amountOfSecuritiesSold>2</amountOfSecuritiesSold>
      <grossProceeds>231.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Filing encompasses 7 trust accts which Susan Ocampo is Trustee</remarks>
    <noticeSignature>
      <noticeDate>05/12/2025</noticeDate>
      <signature>Susan Ocampo</signature>
    </noticeSignature>
  </formData>
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144
0001252243
XXXXXXXX
LIVE
0001493594
MACOM Technology Solutions Holdings, Inc.
001-35451
100 CHELMSFORD STREET
LOWELL
MA
01851
(978) 656-2500
OCAMPO SUSAN
Director
Common
Charles Schwab Corporation
3000 Schwab Way
Westlake
TX
76262
1000000
118080000.00
74390671
05/12/2025
NASDAQ
Common
06/30/2009
Founder Shares
Issuer
N
1000000
06/30/2009
Founder Stock
N
Susan Ocampo
100 CHELMSFORD STREET
LOWELL
MA
01851
Common
02/13/2025
74472
9164068.00
Susan Ocampo
100 CHELMSFORD STREET
Lowell
MA
01851
Common
02/14/2025
286635
35342990.00
Susan Ocampo
100 CHELMSFORD STREET
Lowell
MA
01851
Common
02/18/2025
300000
37238358.00
Susan Ocampo
100 CHELMSFORD STREET
Lowell
MA
01851
Common
02/19/2025
36884
4576627.00
Susan Ocampo
100 CHELMSFORD STREET
Lowell
MA
01851
Common
02/20/2025
97527
12101011.00
Susan Ocampo
100 CHELMSFORD STREET
Lowell
MA
01851
Common
02/21/2025
11459
1421726.00
Susan Ocampo
100 CHELMSFORD STREET
Lowell
MA
01851
Common
02/27/2025
2
231.00
Filing encompasses 7 trust accts which Susan Ocampo is Trustee
05/12/2025
Susan Ocampo