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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-10</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001941536</issuerCik>
        <issuerName>Bridger Aerospace Group Holdings, Inc.</issuerName>
        <issuerTradingSymbol>BAER</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001993474</rptOwnerCik>
            <rptOwnerName>Hayes Anne</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BRIDGER AEROSPACE GROUP HLDGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>90 AVIATION LANE</rptOwnerStreet2>
            <rptOwnerCity>BELGRADE</rptOwnerCity>
            <rptOwnerState>MT</rptOwnerState>
            <rptOwnerZipCode>59714</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>684939</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 91,587 vested restricted stock units (the &quot;RSUs&quot;).</footnote>
        <footnote id="F2">Includes 406,086 RSUs which vests as follows: (i) 50% of the RSUs shall vest on November 24, 2026, and (ii) 50% of the RSUs shall vest on November 24, 2027, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.</footnote>
        <footnote id="F3">Includes 187,266 RSUs which vests as follows: (i) 1/3 of the RSUs shall vest on January 24, 2027, (ii) 1/3 of the RSUs shall vest on January 24, 2028, and (iii) 1/3 of the RSUs shall vest on January 24, 2029, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.</footnote>
    </footnotes>

    <remarks>Exhibit List: Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ James Muchmore, attorney-in-fact for Anne Hayes</signatureName>
        <signatureDate>2026-03-11</signatureDate>
    </ownerSignature>
</ownershipDocument>