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    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001443575</cik>
        <entityName>Avidbank Holdings, Inc.</entityName>
        <issuerAddress>
            <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
            <city>SAN JOSE</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>95112</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>408-200-7390</issuerPhoneNumber>
        <jurisdictionOfInc>CALIFORNIA</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>PENINSULA BANK HOLDING CO</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mark</firstName>
                <middleName>D.</middleName>
                <lastName>Mordell</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95112</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
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            <relationshipClarification>Chairman &amp; CEO</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jonathan</firstName>
                <lastName>Dale</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
                <city>San Jose</city>
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                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95112</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification>President</relationshipClarification>
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            <relatedPersonName>
                <firstName>Patrick</firstName>
                <lastName>Oakes</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
                <city>San Jose</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95112</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relatedPersonName>
                <firstName>Gina</firstName>
                <lastName>Thoma-Peterson</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95112</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Elisabeth</firstName>
                <lastName>Foussianes</lastName>
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                <zipCode>95112</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>EVP &amp; Chief Credit Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Tami</firstName>
                <middleName>Laura</middleName>
                <lastName>Benedict</lastName>
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                <zipCode>95112</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Victor</firstName>
                <lastName>DeMarco</lastName>
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            <relationshipClarification>EVP, Chief Legal Officer, Head of Advisory Services and Secretary</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Arthur</firstName>
                <lastName>Wasson</lastName>
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            <relatedPersonAddress>
                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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                <zipCode>95112</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>EVP &amp; Chief Revenue Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kristofer</firstName>
                <middleName>W.</middleName>
                <lastName>Biorn</lastName>
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            <relatedPersonAddress>
                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>James</firstName>
                <middleName>F.</middleName>
                <lastName>Deutsch</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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        <relatedPersonInfo>
            <relatedPersonName>
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                <lastName>Flynn</lastName>
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            <relatedPersonAddress>
                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95112</zipCode>
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                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Keith</firstName>
                <middleName>F.</middleName>
                <lastName>Jensen</lastName>
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            <relatedPersonAddress>
                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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                <zipCode>95112</zipCode>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Linda</firstName>
                <middleName>R.</middleName>
                <lastName>Morris</lastName>
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            <relatedPersonAddress>
                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>95112</zipCode>
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                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bryan</firstName>
                <middleName>C.</middleName>
                <lastName>Polster</lastName>
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            <relatedPersonAddress>
                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <middleName>F.</middleName>
                <lastName>Rosinus</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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        <relatedPersonInfo>
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                <firstName>Robert</firstName>
                <middleName>H.</middleName>
                <lastName>Scott</lastName>
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                <street1>1732 N. 1ST STREET, 6TH FLOOR</street1>
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        <relatedPersonInfo>
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                <firstName>Marc</firstName>
                <middleName>J.</middleName>
                <lastName>Verissimo</lastName>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Commercial Banking</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2026-08-26</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Piper Sandler &amp; Co.</recipientName>
                <recipientCRDNumber>665</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>350 N. 5th Street</street1>
                    <street2>Suite 1000</street2>
                    <city>Minneapolis</city>
                    <stateOrCountry>MN</stateOrCountry>
                    <stateOrCountryDescription>MINNESOTA</stateOrCountryDescription>
                    <zipCode>55401</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>HI</state>
                    <description>HAWAII</description>
                    <state>MN</state>
                    <description>MINNESOTA</description>
                    <state>MO</state>
                    <description>MISSOURI</description>
                    <state>TX</state>
                    <description>TEXAS</description>
                    <state>IN</state>
                    <description>INDIANA</description>
                    <state>KS</state>
                    <description>KANSAS</description>
                    <state>WA</state>
                    <description>WASHINGTON</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>VA</state>
                    <description>VIRGINIA</description>
                    <state>CT</state>
                    <description>CONNECTICUT</description>
                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
                    <state>LA</state>
                    <description>LOUISIANA</description>
                    <state>MD</state>
                    <description>MARYLAND</description>
                    <state>ME</state>
                    <description>MAINE</description>
                    <state>OH</state>
                    <description>OHIO</description>
                    <state>GA</state>
                    <description>GEORGIA</description>
                    <state>MI</state>
                    <description>MICHIGAN</description>
                    <state>NJ</state>
                    <description>NEW JERSEY</description>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>30000000</totalOfferingAmount>
            <totalAmountSold>30000000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>Subordinated Debt Securities</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>13</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>525000</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
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                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Avidbank Holdings, Inc.</issuerName>
                <signatureName>/s/ Patrick Oakes</signatureName>
                <nameOfSigner>Patrick Oakes</nameOfSigner>
                <signatureTitle>EVP &amp; CFO</signatureTitle>
                <signatureDate>2026-08-26</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
