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  <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>
        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</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>900000</noOfUnitsSold>
      <aggregateMarketValue>92722000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>72106577</noOfUnitsOutstanding>
      <approxSaleDate>05/23/2024</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>900000</amountOfSecuritiesAcquired>
      <paymentDate>06/30/2009</paymentDate>
      <natureOfPayment>Founder shares</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 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>05/07/2024</saleDate>
      <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
      <grossProceeds>2575402.00</grossProceeds>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
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          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/08/2024</saleDate>
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      <grossProceeds>358947.00</grossProceeds>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 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>05/10/2024</saleDate>
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      <grossProceeds>855070.00</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
          <com:city>Lowell</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Commom</securitiesClassTitle>
      <saleDate>05/15/2024</saleDate>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/20/2024</saleDate>
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    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
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          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
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      <saleDate>05/21/2024</saleDate>
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    </securitiesSoldInPast3Months>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Bobby 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/22/2024</saleDate>
      <amountOfSecuritiesSold>43729</amountOfSecuritiesSold>
      <grossProceeds>4483656.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2007 Non Grantor TST for Josh 11/29/2007</name>
        <address>
          <com:street1>C/O 100 Chelmsford Street</com:street1>
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          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01851</com:zipCode>
        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Josh 11/29/2007</name>
        <address>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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        </address>
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      <sellerDetails>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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        </address>
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      <sellerDetails>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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      <sellerDetails>
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        </address>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Josh 11/29/2007</name>
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        </address>
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      <sellerDetails>
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        </address>
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      <sellerDetails>
        <name>2007 Non Grantor TST for Josh 11/29/2007</name>
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        <name>2007 Non Grantor TST for Josh 11/29/2007</name>
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          <com:zipCode>01851</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2007 Non Grantor TST for Josh 11/29/2007</name>
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        </address>
      </sellerDetails>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>2007 Non Grantor TST For Ash</name>
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        </address>
      </sellerDetails>
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      <sellerDetails>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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      <sellerDetails>
        <name>2007 Non Grantor TST For Ash</name>
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      <sellerDetails>
        <name>2007 Non Grantor TST For Ash</name>
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      <sellerDetails>
        <name>2007 Non Grantor TST For Ash</name>
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      <sellerDetails>
        <name>2007 Non Grantor TST For Ash</name>
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        <name>2007 Non Grantor TST For Ash</name>
        <address>
          <com:street1>C/O 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>05/22/2024</saleDate>
      <amountOfSecuritiesSold>43729</amountOfSecuritiesSold>
      <grossProceeds>4483656.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family Trust 11/21/23</name>
        <address>
          <com:street1>C/O 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>02/26/2024</saleDate>
      <amountOfSecuritiesSold>20733</amountOfSecuritiesSold>
      <grossProceeds>1824526.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family Trust 11/21/23</name>
        <address>
          <com:street1>C/O 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>02/27/2024</saleDate>
      <amountOfSecuritiesSold>4370</amountOfSecuritiesSold>
      <grossProceeds>384686.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ocampo Family Trust 11/21/23</name>
        <address>
          <com:street1>C/O 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>02/29/2024</saleDate>
      <amountOfSecuritiesSold>34186</amountOfSecuritiesSold>
      <grossProceeds>3008501.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>2a) Susan Ocampo TTEE for Ocampo Family Trust11/21/2023 2007 Non Grantor TST for Bobby 11/27/2007 2007 Trust for Bobby 11/29/2007 2007 Non Grantor TST for Ashley 11/27/2007 2007 Trust for Ashley 11/29/2007 2007Non Grantor for TST Joshua 11/29/2007 2007 Trust forJoshua 11/29/2007</remarks>
    <noticeSignature>
      <noticeDate>05/23/2024</noticeDate>
      <signature>Susan Ocampo TTEE</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
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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
10% Stockholder
Common Stock
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
900000
92722000.00
72106577
05/23/2024
Nasdaq
Common
06/30/2009
Founder shares
Issuer
N
900000
06/30/2009
Founder shares
N
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/07/2024
25000
2575402.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/08/2024
3467
358947.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/09/2024
2442
249112.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/10/2024
8383
855070.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/13/2024
20588
2124862.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/14/2024
28624
2949319.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Commom
05/15/2024
50000
5140925.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/16/2024
27453
2827186.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/20/2024
53714
5526423.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/21/2024
11922
1222283.00
2007 Non Grantor TST for Bobby 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/22/2024
43729
4483656.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/07/2024
25000
2575402.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street,
Lowell
MA
01851
Common
05/08/2024
3468
359050.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/09/2024
2442
249112.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/10/2024
8383
855070.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/13/2024
20588
2124862.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/14/2024
28625
2949422.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/15/2024
50000
5140925.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/16/2024
27454
2827289.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/20/2024
53713
5526321.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/21/2024
119236
1222386.00
2007 Non Grantor TST for Josh 11/29/2007
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/22/2024
43729
4483656.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/07/2024
25000
2575402.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/08/2024
3468
359050.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/09/2024
2442
249112.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/10/2024
8382
854968.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/13/2024
20589
2124965.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/14/2024
28625
2949422.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/15/2024
50000
5140925.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/16/2024
27454
2827289.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/20/2024
53713
5526321.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/21/2024
11923
1222386.00
2007 Non Grantor TST For Ash
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
05/22/2024
43729
4483656.00
Ocampo Family Trust 11/21/23
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
02/26/2024
20733
1824526.00
Ocampo Family Trust 11/21/23
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
02/27/2024
4370
384686.00
Ocampo Family Trust 11/21/23
C/O 100 Chelmsford Street
Lowell
MA
01851
Common
02/29/2024
34186
3008501.00
2a) Susan Ocampo TTEE for Ocampo Family Trust11/21/2023 2007 Non Grantor TST for Bobby 11/27/2007 2007 Trust for Bobby 11/29/2007 2007 Non Grantor TST for Ashley 11/27/2007 2007 Trust for Ashley 11/29/2007 2007Non Grantor for TST Joshua 11/29/2007 2007 Trust forJoshua 11/29/2007
05/23/2024
Susan Ocampo TTEE