<SEC-DOCUMENT>0000904454-20-000685.txt : 20201030
<SEC-HEADER>0000904454-20-000685.hdr.sgml : 20201030
<ACCEPTANCE-DATETIME>20201030162940
ACCESSION NUMBER:		0000904454-20-000685
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201028
FILED AS OF DATE:		20201030
DATE AS OF CHANGE:		20201030

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kober John
		CENTRAL INDEX KEY:			0001338249

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35451
		FILM NUMBER:		201277726

	MAIL ADDRESS:	
		STREET 1:		MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC
		STREET 2:		100 CHELMSFORD STREET
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01851

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACOM Technology Solutions Holdings, Inc.
		CENTRAL INDEX KEY:			0001493594
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				270306875
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0927

	BUSINESS ADDRESS:	
		STREET 1:		100 CHELMSFORD STREET
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01851
		BUSINESS PHONE:		(978) 656-2500

	MAIL ADDRESS:	
		STREET 1:		100 CHELMSFORD STREET
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01851

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	M/A-COM Technology Solutions Holdings, Inc.
		DATE OF NAME CHANGE:	20100607
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-10-28</periodOfReport>

    <issuer>
        <issuerCik>0001493594</issuerCik>
        <issuerName>MACOM Technology Solutions Holdings, Inc.</issuerName>
        <issuerTradingSymbol>MTSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001338249</rptOwnerCik>
            <rptOwnerName>Kober John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS</rptOwnerStreet1>
            <rptOwnerStreet2>100 CHELMSFORD STREET</rptOwnerStreet2>
            <rptOwnerCity>LOWELL</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01851</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior VP and CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-10-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7914</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>107492</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-10-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4300</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>36.8</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>103192</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units granted to the Reporting Person under the Issuer's 2012 Omnibus Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock. The restricted stock units vest in four equal annual installments on October 28, 2021, October 28, 2022, October 28, 2023 and October 28, 2024, provided that the Reporting Person remains in continuous service with the Issuer through each vesting date.</footnote>
        <footnote id="F2">Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on October 29, 2020.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ambra R. Roth, Attorney-in-Fact</signatureName>
        <signatureDate>2020-10-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
