<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-09-05</periodOfReport>

    <notSubjectToSection16>true</notSubjectToSection16>

    <issuer>
        <issuerCik>0001573097</issuerCik>
        <issuerName>HD Supply Holdings, Inc.</issuerName>
        <issuerTradingSymbol>HDS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001384632</rptOwnerCik>
            <rptOwnerName>Bernasek Brian A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3100 CUMBERLAND BLVD, SUITE 1480</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30339</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Common Stock</value>
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            <deemedExecutionDate></deemedExecutionDate>
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            <transactionAmounts>
                <transactionShares>
                    <value>3408</value>
                </transactionShares>
                <transactionPricePerShare>
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                </transactionAcquiredDisposedCode>
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                    <value>7967</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
                </directOrIndirectOwnership>
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                <equitySwapInvolved>false</equitySwapInvolved>
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                </transactionShares>
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                <equitySwapInvolved>false</equitySwapInvolved>
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                <transactionPricePerShare>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
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            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2014-09-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <equitySwapInvolved>false</equitySwapInvolved>
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                <transactionPricePerShare>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares acquired in settlement of vested deferred stock units on termination of board service. The units were granted to Mr. Bernasek on August 27 and November 8, 2013 and February 21, May 16, August 15 and September 5, 2014 under the Companys 2013 Omnibus Incentive Plan pursuant to his election to convert quarterly cash fees for board service to deferred stock units.</footnote>
        <footnote id="F2">Represents shares acquired in settlement of vested restricted stock units on termination of board service. The units were granted to Mr. Bernasek under the Companys 2013 Omibus Incentive Plan on July 2, 2013 and vested on May 15, 2014.</footnote>
        <footnote id="F3">Represents a grant of deferred stock units under the Companys 2013 Omnibus Incentive Plan pursuant to Mr. Bernaseks election to convert quarterly cash fees for board service to deferred stock units. Each deferred stock unit represents the right to receive one share of the Companys common stock, par value $0.01 per share. The deferred stock units are fully vested and were settled upon termination of Mr. Bernaseks board service on September 5, 2014.</footnote>
        <footnote id="F4">Represents the forfeiture of unvested restricted stock units on termination of board service. The units were granted to Mr. Bernasek under the Companys 2013 Omnibus Incentive Plan on May 15, 2014.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James F. Brumsey, Attorney-in-Fact for Brian A. Bernasek</signatureName>
        <signatureDate>2014-09-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
