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

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-06-16</periodOfReport>

    <notSubjectToSection16>true</notSubjectToSection16>

    <issuer>
        <issuerCik>0001408100</issuerCik>
        <issuerName>Kennedy-Wilson Holdings, Inc.</issuerName>
        <issuerTradingSymbol>KW</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000915191</rptOwnerCik>
            <rptOwnerName>FAIRFAX FINANCIAL HOLDINGS LTD/ CAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>FAIRFAX FINANCIAL HOLDINGS LTD</rptOwnerStreet1>
            <rptOwnerStreet2>95 WELLINGTON ST WEST STE 800</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A6</rptOwnerCountry>
            <rptOwnerZipCode>M5J 2N7</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000938869</rptOwnerCik>
            <rptOwnerName>WATSA V PREM ET AL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>95 WELLINGTON STREET WEST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A6</rptOwnerCountry>
            <rptOwnerZipCode>M5J 2N7</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001275993</rptOwnerCik>
            <rptOwnerName>SECOND 1109 HOLDCO LTD.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>95 WELLINGTON ST W STE 800</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A6</rptOwnerCountry>
            <rptOwnerZipCode>M5J 2N7</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217251</rptOwnerCik>
            <rptOwnerName>SIXTY TWO INVESTMENT CO LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>1600 CATHEDRAL PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>925 W GEORGIA ST</rptOwnerStreet2>
            <rptOwnerCity>VANCOUVER BC CANADA</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A1</rptOwnerCountry>
            <rptOwnerZipCode>V6C3L3</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13322009</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In connection with the terms of an Agreement and Plan of Merger, dated as of February 16, 2026, as amended on March 15, 2026 (the &quot;Merger Agreement&quot;), by and among the Issuer, Kona Bidco, LLC (&quot;Parent&quot;), and Kona Merger Subsidiary, Inc., a wholly owned subsidiary of Parent (&quot;Merger Sub&quot;), Merger Sub merged with and into the Issuer with the Issuer continuing as the surviving company and a wholly owned subsidiary of Parent upon consummation of the merger (the &quot;Effective Time&quot;).</footnote>
        <footnote id="F2">Immediately prior to the Effective Time, the Reporting Person contributed shares of Common Stock to Parent in consideration for limited liability company units or other securities of Parent in accordance with the limited liability company agreement of Parent pursuant to the terms of a Rollover Agreement, dated February 16, 2026.</footnote>
        <footnote id="F3">These securities are held by subsidiaries of Fairfax Financial Holdings Limited (&quot;Fairfax&quot;). Mr. Watsa is the CEO and controlling person of Fairfax through the other reporting persons. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner for the purpose of Section 16 of the Exchange Act, or for any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Peter Clarke, President and COO, on behalf of Fairfax Financial Holdings Ltd.</signatureName>
        <signatureDate>2026-06-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ V. Prem Watsa</signatureName>
        <signatureDate>2026-06-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ V. Prem Watsa, President, on behalf of The Second 1109 Holdco Ltd.</signatureName>
        <signatureDate>2026-06-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ V. Prem Watsa, President, on behalf of The Sixty Two Investment Company Limited</signatureName>
        <signatureDate>2026-06-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
