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                    <ccc>XXXXXXXX</ccc>
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            <liveTestFlag>LIVE</liveTestFlag>



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            <issuerCik>0001493594</issuerCik>
            <issuerName>MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.</issuerName>
            <secFileNumber>001-35451</secFileNumber>
            <issuerAddress>
                <ns2:street1>100 CHELMSFORD STREET</ns2:street1>
                <ns2:city>LOWELL</ns2:city>
                <ns2:stateOrCountry>MA</ns2:stateOrCountry>
                <ns2:zipCode>01851</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(978) 656-2500</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DONGHYUN THOMAS HWANG</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>7000</noOfUnitsSold>
            <aggregateMarketValue>718592.70</aggregateMarketValue>
            <noOfUnitsOutstanding>72106577</noOfUnitsOutstanding>
            <approxSaleDate>05/08/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>11/05/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>7000</amountOfSecuritiesAcquired>
            <paymentDate>11/05/2020</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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                <name>DONGHYUN THOMAS HWANG</name>
                <address>
                    <ns2:street1>100 CHELMSFORD STREET</ns2:street1>
                    <ns2:city>LOWELL</ns2:city>
                    <ns2:stateOrCountry>MA</ns2:stateOrCountry>
                    <ns2:zipCode>01851</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/11/2024</saleDate>
            <amountOfSecuritiesSold>2472</amountOfSecuritiesSold>
            <grossProceeds>228031.12</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DONGHYUN THOMAS HWANG</name>
                <address>
                    <ns2:street1>100 CHELMSFORD STREET</ns2:street1>
                    <ns2:city>LOWELL</ns2:city>
                    <ns2:stateOrCountry>MA</ns2:stateOrCountry>
                    <ns2:zipCode>01851</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/11/2024</saleDate>
            <amountOfSecuritiesSold>6000</amountOfSecuritiesSold>
            <grossProceeds>553411.20</grossProceeds>
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                    <ns2:stateOrCountry>MA</ns2:stateOrCountry>
                    <ns2:zipCode>01851</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/11/2024</saleDate>
            <amountOfSecuritiesSold>925</amountOfSecuritiesSold>
            <grossProceeds>85348.46</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>05/08/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>08/25/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Donghyun Thomas Hwang</signature>
        </noticeSignature>
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144
0001480330
XXXXXXXX
LIVE
0001493594
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
001-35451
100 CHELMSFORD STREET
LOWELL
MA
01851
(978) 656-2500
DONGHYUN THOMAS HWANG
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
7000
718592.70
72106577
05/08/2024
NASDAQ
COMMON
11/05/2020
Performance Shares
ISSUER
N
7000
11/05/2020
Not Applicable
N
DONGHYUN THOMAS HWANG
100 CHELMSFORD STREET
LOWELL
MA
01851
Common
03/11/2024
2472
228031.12
DONGHYUN THOMAS HWANG
100 CHELMSFORD STREET
LOWELL
MA
01851
Common
03/11/2024
6000
553411.20
DONGHYUN THOMAS HWANG
100 CHELMSFORD STREET
LOWELL
MA
01851
Common
03/11/2024
925
85348.46
05/08/2024
08/25/2023
/s/ Donghyun Thomas Hwang