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

    <schemaVersion>X0708</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001497839</cik>
        <entityName>Bronte Capital Callisto Fund LLC</entityName>
        <issuerAddress>
            <street1>C/O CORPORATION SERVICE COMPANY</street1>
            <street2>251 LITTLE FALLS DRIVE</street2>
            <city>WILMINGTON</city>
            <stateOrCountry>DE</stateOrCountry>
            <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
            <zipCode>19808</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>011-61-2-9389-3293</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>Bronte Capital Callisto Fund L.P.</previousName>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Bronte Capital U.S. LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Corporation Service Company</street1>
                <street2>251 Little Falls Drive</street2>
                <city>Wilmington</city>
                <stateOrCountry>DE</stateOrCountry>
                <stateOrCountryDescription>DELAWARE</stateOrCountryDescription>
                <zipCode>19808</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kevin</firstName>
                <middleName>A.</middleName>
                <lastName>Phillip</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Waystone Governance Ltd.</street1>
                <street2>Suite 101 &amp; 102, SIX Cricket Square</street2>
                <city>George Town</city>
                <stateOrCountry>E9</stateOrCountry>
                <stateOrCountryDescription>CAYMAN ISLANDS</stateOrCountryDescription>
                <zipCode>KY1-1103</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of Bronte Capital U.S. LLC, Manager</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Alan</firstName>
                <lastName>Kelly</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Waystone Governance Ltd.</street1>
                <street2>Suite 101 &amp; 102, SIX Cricket Square</street2>
                <city>George Town</city>
                <stateOrCountry>E9</stateOrCountry>
                <stateOrCountryDescription>CAYMAN ISLANDS</stateOrCountryDescription>
                <zipCode>KY1-1103</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Manager of Bronte Capital U.S. LLC, Manager</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Hedge Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.1</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0000935836-24-000626</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-10-13</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Limited Liability Company Interests</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>500000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Cristina T. Osmena</recipientName>
                <recipientCRDNumber>002790702</recipientCRDNumber>
                <associatedBDName>Mercury Securities, LLC</associatedBDName>
                <associatedBDCRDNumber>000040368</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1299 FOURTH STREET</street1>
                    <street2>SUITE 200</street2>
                    <city>SAN RAFAEL</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>94901</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>198686789</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>82</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>49088</dollarAmount>
                <isEstimate>true</isEstimate>
            </findersFees>
            <clarificationOfResponse>Estimated total since inception through October 31, 2018.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>None, although the manager of the issuer receives investment management fees and a special profit allocation.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Bronte Capital Callisto Fund LLC</issuerName>
                <signatureName>Alan Kelly</signatureName>
                <nameOfSigner>Alan Kelly</nameOfSigner>
                <signatureTitle>Manager of Bronte Capital U.S. LLC, Manager</signatureTitle>
                <signatureDate>2025-10-03</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
