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

    <schemaVersion>X0407</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2023-03-03</periodOfReport>

    <dateOfOriginalSubmission>2023-03-07</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001849253</issuerCik>
        <issuerName>RYAN SPECIALTY HOLDINGS, INC.</issuerName>
        <issuerTradingSymbol>RYAN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001869959</rptOwnerCik>
            <rptOwnerName>MULSHINE BRENDAN MARTIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO PRUDENTIAL PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2>180 N. STETSON AVE.</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class C Common Incentive Units [Right to Buy]</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>40.90</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-03-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>65274</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>65274</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents Class C Common Incentive Units of Ryan Specialty, LLC which vest 20% on each of April 1, 2026, 2027, 2028, 2029, and 2030. Such grant was approved by the Board of the Issuer for purposes of Rule 16(b)(3). The Class C Common Incentive Units will be exchangeable into Common Units, which will then be immediately redeemed on a one-for-one basis for Class A Common Stock, par value $0.001 (&quot;Class A Common Stock&quot;), of the Issuer based on the value of Common Units and the fair market value of the Class A Common Stock at the time of the applicable exchange. The participation threshold of Class C Common Incentive Units is equal to the closing price of the Issuer's Class A Common Stock on the March 2, 2023.</footnote>
        <footnote id="F2">The Reporting Person disclaims beneficial ownership except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>This amended Form 4 is being filed to correct the Number of Derivative Securities Acquired in column 5 of Table II on the Form 4 that was previously filed on March 7, 2023, which was an estimate based on the information available on such date.

Executive Vice President and Chief Revenue Officer</remarks>

    <ownerSignature>
        <signatureName>Mark S. Katz, Attorney-in-Fact</signatureName>
        <signatureDate>2023-03-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
