<?xml version="1.0"?>
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    <schemaVersion>X0708</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

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        <entityName>Curaleaf Holdings, Inc.</entityName>
        <issuerAddress>
            <street1>666 Burrard Street</street1>
            <city>Vancouver</city>
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            <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
            <zipCode>V6C 2X8</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>781-451-0145</issuerPhoneNumber>
        <jurisdictionOfInc>BRITISH COLUMBIA, CANADA</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>LEAD VENTURES INC.</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

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                <lastName>Jordan</lastName>
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                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2X8</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
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            <relatedPersonName>
                <firstName>Joseph</firstName>
                <lastName>Lusardi</lastName>
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                <street1>666 Burrard Street</street1>
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                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2X8</zipCode>
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                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
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                <firstName>Stuart</firstName>
                <lastName>Wilcox</lastName>
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                <street1>666 Burrard Street</street1>
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                <zipCode>V6C 2X8</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jonathan</firstName>
                <lastName>Faucher</lastName>
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                <street1>666 Burrard Street</street1>
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                <zipCode>V6C 2X8</zipCode>
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                <relationship>Executive Officer</relationship>
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            <relatedPersonName>
                <firstName>Carolyn</firstName>
                <lastName>Fedigan</lastName>
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                <street1>666 Burrard Street</street1>
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                <relationship>Executive Officer</relationship>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Katrina</firstName>
                <lastName>Yolen</lastName>
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                <firstName>Chris</firstName>
                <lastName>Melillo</lastName>
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                <street1>666 Burrard Street</street1>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ed</firstName>
                <lastName>Kelenchuk</lastName>
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                <street1>666 Burrard Street</street1>
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            <relatedPersonName>
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                <street1>666 Burrard Street</street1>
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                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2X8</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <lastName>Clateman</lastName>
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                <street1>666 Burrard Street</street1>
                <street2>Suite 1700</street2>
                <city>Vancouver</city>
                <stateOrCountry>A1</stateOrCountry>
                <stateOrCountryDescription>BRITISH COLUMBIA, CANADA</stateOrCountryDescription>
                <zipCode>V6C 2X8</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification></relationshipClarification>
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                <street1>666 Burrard Street</street1>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2018-10-23</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
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            <descriptionOfOtherType>Subscription receipts @$11.45CDN.  Each sub receipt convertible into subordinated voting shares of Lead Ventures Inc.</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
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            <clarificationOfResponse></clarificationOfResponse>
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        <salesCompensationList>
            <recipient>
                <recipientName>GMP Securities, LLC</recipientName>
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                    <description>RHODE ISLAND</description>
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                    <description>INDIANA</description>
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                    <description>CONNECTICUT</description>
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                    <description>GEORGIA</description>
                    <state>AZ</state>
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                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>MT</state>
                    <description>MONTANA</description>
                    <state>NJ</state>
                    <description>NEW JERSEY</description>
                    <state>NM</state>
                    <description>NEW MEXICO</description>
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                    <state>FL</state>
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                    <description>MARYLAND</description>
                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
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            </recipient>
            <recipient>
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                <recipientAddress>
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        <offeringSalesAmounts>
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            <totalAmountSold>121014064</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>Subscription receipts @$11.45CDN. Each sub receipt convertible into subordinated voting shares of Lead Ventures Inc.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
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        <salesCommissionsFindersFees>
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            <clarificationOfResponse></clarificationOfResponse>
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            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Curaleaf Holdings, Inc.</issuerName>
                <signatureName>/s/ Jonathan Faucher</signatureName>
                <nameOfSigner>Jonathan Faucher</nameOfSigner>
                <signatureTitle>Chief Financial Officer</signatureTitle>
                <signatureDate>2018-11-07</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
