<SEC-DOCUMENT>0000904454-21-000426.txt : 20210505
<SEC-HEADER>0000904454-21-000426.hdr.sgml : 20210505
<ACCEPTANCE-DATETIME>20210505165443
ACCESSION NUMBER:		0000904454-21-000426
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210503
FILED AS OF DATE:		20210505
DATE AS OF CHANGE:		20210505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RIBAR GEOFFREY G
		CENTRAL INDEX KEY:			0001247434

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35451
		FILM NUMBER:		21894237

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:			1001

	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>2021-05-03</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001247434</rptOwnerCik>
            <rptOwnerName>RIBAR GEOFFREY G</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5414</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>57.08</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21708</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $56.70 to $57.39.  The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ambra R. Roth, Attorney-in-Fact</signatureName>
        <signatureDate>2021-05-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
