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    <periodOfReport>2019-12-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001535527</issuerCik>
        <issuerName>CrowdStrike Holdings, Inc.</issuerName>
        <issuerTradingSymbol>CRWD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678225</rptOwnerCik>
            <rptOwnerName>CapitalG LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678226</rptOwnerCik>
            <rptOwnerName>CapitalG GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001771167</rptOwnerCik>
            <rptOwnerName>CapitalG 2015 LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001779431</rptOwnerCik>
            <rptOwnerName>CapitalG 2015 GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001652044</rptOwnerCik>
            <rptOwnerName>Alphabet Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1600 AMPHITHEATRE PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
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            <ownershipNature>
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                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F5"/>
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        <nonDerivativeTransaction>
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                <natureOfOwnership>
                    <value>See Footnote</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2019-12-10</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>2262</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2019-12-10</value>
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            <deemedExecutionDate></deemedExecutionDate>
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            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
                    <value>50.01</value>
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                <directOrIndirectOwnership>
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                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <postTransactionAmounts>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
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                <footnoteId id="F8"/>
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            <transactionDate>
                <value>2019-12-09</value>
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            <deemedExecutionDate></deemedExecutionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
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                    <value>144877</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <footnoteId id="F8"/>
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            <expirationDate>
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                <footnoteId id="F8"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>144877</value>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>11997167</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
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                <footnoteId id="F8"/>
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                <value>2019-12-10</value>
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                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>2262</value>
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                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
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                <footnoteId id="F8"/>
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            <expirationDate>
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                    <value>Class A Common Stock</value>
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                <underlyingSecurityShares>
                    <value>2262</value>
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                <sharesOwnedFollowingTransaction>
                    <value>11994905</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F5"/>
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        </derivativeTransaction>
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            <securityTitle>
                <value>Class B Common Stock</value>
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            <conversionOrExercisePrice>
                <footnoteId id="F7"/>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F7"/>
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            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
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                <underlyingSecurityShares>
                    <value>8133626</value>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>8133626</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares of Class B Common Stock automatically converted into shares of Class A Common Stock effective immediately prior to the sale of such shares.</footnote>
        <footnote id="F2">The sales reported herein were matchable under Section 16(b) of the Securities Exchange Act of 1934, as amended, to the extent of 140,000 shares of Class A Common Stock, with the purchase of shares of Class A Common Stock by the Reporting Persons on June 14, 2019. The Reporting Persons have made arrangements with the Issuer to voluntarily disgorge to the Issuer the full amount of statutory &quot;profit&quot; calculated pursuant to Section 16(b) of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F3">Weighted average sale price for Class A Common Stock sold. Actual sales price for shares sold ranged from $50.00 to $50.96. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F4">Weighted average sale price for Class A Common Stock sold. Actual sales price for shares sold ranged from $50.00 to $50.02. The Reporting Persons undertake to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F5">These shares are owned directly by CapitalG 2015 LP. CapitalG 2015 GP LLC, the general partner of CapitalG 2015 LP, Alphabet Holdings LLC, the managing member of CapitalG 2015 GP LLC, XXVI Holdings Inc., the managing member of Alphabet Holdings LLC, and Alphabet Inc., the controlling stockholder of XXVI Holdings Inc., may each be deemed to have sole voting and dispositive power with respect to these shares. Each of CapitalG 2015 GP LLC, Alphabet Holdings LLC, XXVI Holdings Inc., and Alphabet Inc. disclaims beneficial ownership of these shares, except to the extent of any pecuniary interest therein.</footnote>
        <footnote id="F6">These shares are owned directly by CapitalG LP. CapitalG GP LLC, the general partner of CapitalG LP, Alphabet Holdings LLC, the managing member of CapitalG GP LLC, XXVI Holdings Inc., the managing member of Alphabet Holdings LLC, and Alphabet Inc., the controlling stockholder of XXVI Holdings Inc., may each be deemed to have sole voting and dispositive power with respect to these shares. Each of CapitalG GP LLC, Alphabet Holdings LLC, XXVI Holdings Inc., and Alphabet Inc. disclaims beneficial ownership of these shares, except to the extent of any pecuniary interest therein.</footnote>
        <footnote id="F7">The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis upon (i) the affirmative written election of the holder thereof or (ii) the occurrence of a transfer, except for certain transfers described in the Issuer's amended and restated certificate of incorporation (the &quot;Restated Certificate&quot;) and has no expiration date.</footnote>
        <footnote id="F8">In addition, Class B Common Stock will automatically convert into Class A Common Stock on the earliest of (i) the date specified by the holders of two-thirds of the then outstanding shares of Class B Common Stock, (ii) the date on which the number of outstanding shares of Class B Common Stock represents less than 5% of the number of outstanding shares of Class A Common Stock and Class B Common Stock, taken together as a single class, which calculation excludes certain Acquisition Securities, as defined in the Restated Certificate, and (iii) the date that is nine months after the death or permanent and total disability of the Issuer's founder, George Kurtz, provided that such date may be extended by a majority of the independent members of the Issuer's board of directors to a date that is not longer than 18 months from the date of such death or disability.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>CAPITALG LP, by: CapitalG GP LLC, its General Partner, by: /s/ Jeremiah Gordon, General Counsel and Secretary</signatureName>
        <signatureDate>2019-12-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CAPITALG GP LLC, by: /s/ Jeremiah Gordon, General Counsel and Secretary</signatureName>
        <signatureDate>2019-12-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CAPITALG 2015 LP, by: CapitalG 2015 GP LLC, its General Partner, by: /s/ Jeremiah Gordon, General Counsel and Secretary</signatureName>
        <signatureDate>2019-12-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CAPITALG 2015 GP LLC, by: /s/ Jeremiah Gordon, General Counsel and Secretary</signatureName>
        <signatureDate>2019-12-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ALPHABET INC., by: /s/ Kathryn W. Hall, Assistant Secretary</signatureName>
        <signatureDate>2019-12-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
