<?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>0001999851</rptOwnerCik>
            <rptOwnerName>Pegler Michael John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O 151 S EL CAMINO DR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BEVERLY HILLS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90212</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>true</isOfficer>
            <officerTitle>President KW Europe</officerTitle>
        </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>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>193160</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>397281</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>397281</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </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">At the Effective Time, each outstanding share of Common Stock was automatically converted into the right to receive an amount in cash equal to $10.90 per share, without interest and subject to any applicable withholding taxes required by law (the &quot;Merger Consideration&quot;).</footnote>
        <footnote id="F3">At the Effective Time, each outstanding restricted stock unit (&quot;RSU&quot;) vested and was canceled, with the holder entitled to receive a lump-sum cash payment, without interest, equal to (x) the product, rounded down to the nearest cent, obtained by multiplying (1) the total number of shares underlying such RSU, by (2) the Merger Consideration, plus (y) any amounts payable in respect of accrued and unpaid dividend equivalents thereon.</footnote>
        <footnote id="F4">At the Effective Time, each outstanding performance stock unit (&quot;PSU&quot;) vested and was canceled, with the holder entitled to receive a lump-sum cash payment, without interest, equal to (x) the product, rounded down to the nearest cent, obtained by multiplying (1) the total number of shares underlying such PSU based on target level of performance achievement of applicable performance goals, by (2) the Merger Consideration, plus (y) any amounts payable in respect of accrued and unpaid dividend equivalents thereon.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michael Pegler</signatureName>
        <signatureDate>2026-06-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
