<SEC-DOCUMENT>0001104659-21-133906.txt : 20211103
<SEC-HEADER>0001104659-21-133906.hdr.sgml : 20211103
<ACCEPTANCE-DATETIME>20211103213058
ACCESSION NUMBER:		0001104659-21-133906
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211101
FILED AS OF DATE:		20211103
DATE AS OF CHANGE:		20211103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Liberty Media Corp
		CENTRAL INDEX KEY:			0001560385
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEVISION BROADCASTING STATIONS [4833]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34295
		FILM NUMBER:		211377678

	BUSINESS ADDRESS:	
		STREET 1:		12300 LIBERTY BOULEVARD
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		720-875-5400

	MAIL ADDRESS:	
		STREET 1:		12300 LIBERTY BOULEVARD
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112

	FORMER NAME:	
		FORMER CONFORMED NAME:	Liberty Spinco, Inc.
		DATE OF NAME CHANGE:	20121015

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIRIUS XM HOLDINGS INC.
		CENTRAL INDEX KEY:			0000908937
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO BROADCASTING STATIONS [4832]
		IRS NUMBER:				383916511
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1290 AVENUE OF THE AMERICAS
		STREET 2:		11TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10104
		BUSINESS PHONE:		212-584-5100

	MAIL ADDRESS:	
		STREET 1:		1290 AVENUE OF THE AMERICAS
		STREET 2:		11TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIRIUS XM RADIO INC.
		DATE OF NAME CHANGE:	20080805

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIRIUS SATELLITE RADIO INC
		DATE OF NAME CHANGE:	19991228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CD RADIO INC
		DATE OF NAME CHANGE:	19940203
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm2131725-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-11-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000908937</issuerCik>
        <issuerName>SIRIUS XM HOLDINGS INC.</issuerName>
        <issuerTradingSymbol>SIRI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001560385</rptOwnerCik>
            <rptOwnerName>Liberty Media Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12300 LIBERTY BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>43658800</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>139533436</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3066299360</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held through wholly-owned subsidiaries</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to the Exchange Agreement, dated as of November 1, 2021, among the Reporting Person and the counterparties thereto, the Reporting Person acquired an aggregate of 43,658,800 shares of the Issuer's common stock in exchange for the issuance, in the aggregate, of 5,347,320 shares of the Reporting Person's Series A Liberty SiriusXM Common Stock, par value $0.01 per share. The exchange closed on November 3, 2021.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Liberty Media Corporation By: /s/ Brittany A. Uthoff Name: Brittany A. Uthoff Title: Vice President</signatureName>
        <signatureDate>2021-11-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
