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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2023-11-09</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001593275</issuerCik>
        <issuerName>Hamilton Insurance Group, Ltd.</issuerName>
        <issuerTradingSymbol>HG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001999708</rptOwnerCik>
            <rptOwnerName>Carreiro Gemma Elizabeth</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2 ST. ANNE'S DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SOUTHAMPTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode>SN 01</rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>true</isOfficer>
            <officerTitle>Group General Counsel &amp; Sec.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class B Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29350</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>2021 LTIP - Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2793</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>2022 LTIP - Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5825</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>2023 LTIP - Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11224</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>2021 LTIP - Performance Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8380</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>2022 LTIP - Performance Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8738</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>2023 LTIP - Performance Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11224</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On March 30, 2021, the reporting person was granted 8,380 restricted stock units (&quot;RSUs&quot;) that vest one-third per year on January 1 of 2022, 2023, and 2024.  Each RSU represents the right to receive one Class B common share.  The number reported here reflects the RSUs outstanding subject to future vesting.</footnote>
        <footnote id="F2">On February 11, 2022, the reporting person was granted 8,738 RSUs that vest one-third per year on January 1 of 2023, 2024, and 2025, respectively.  Each RSU represents the right to receive one Class B common share.  The number reported here reflects the RSUs outstanding subject to future vesting.</footnote>
        <footnote id="F3">On March 10, 2023, the reporting person was granted 11,224 RSUs that vest one-third per year on January 1 of 2024, 2025, and 2026, respectively.  Each RSU represents the right to receive one Class B common share.  The number reported here reflects the RSUs outstanding subject to future vesting.</footnote>
        <footnote id="F4">On March 30, 2021, the reporting person was granted 8,380 performance stock units (&quot;PSUs&quot;) that are earned based on our annualized underwriting return on capital for the 3-year performance period ending on December 31, 2023.  Each PSU represents the right to receive one Class B common share.  The number of units subject to vest under this award can range from 0% to 200% of the amount shown based on the satisfaction of the performance target during the performance period. This award fully vests on January 1, 2024.</footnote>
        <footnote id="F5">On February 11, 2022, the reporting person was granted 8,738 PSUs that are earned based on our annualized underwriting return on capital for the 3-year performance period ending on December 31, 2024.  Each PSU represents the right to receive one Class B common share.  The number of units subject to vest under this award can range from 0% to 200% of the amount shown based on the satisfaction of the performance target during the performance period. This award fully vests on January 1, 2025.</footnote>
        <footnote id="F6">On March 10, 2023, the reporting person was granted 11,224 PSUs that are earned based on our annualized underwriting return on capital for the 3-year performance period ending on December 31, 2025.  Each PSU represents the right to receive one Class B common share.  The number of units subject to vest under this award can range from 0% to 200% of the amount shown based on the satisfaction of the performance target during the performance period. This award fully vests on January 1, 2026.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Gemma Carreiro</signatureName>
        <signatureDate>2023-11-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
