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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-05-25</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001657197</issuerCik>
        <issuerName>Cotiviti Holdings, Inc.</issuerName>
        <issuerTradingSymbol>COTV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034196</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL CORP/MA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001227759</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430919</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430920</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-A LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430926</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-B LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430925</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-C LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430923</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-D LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430921</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-E LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430922</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-F LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001432552</rptOwnerCik>
            <rptOwnerName>ADVENT INTERNATIONAL GPE VI-G LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ADVENT INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>75 STATE STREET, 29TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>58702930</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 25,188,602 shares held directly by Advent-Cotiviti Acquisition Limited Partnership (&quot;ACA LP&quot;), 26,661,078 shares held directly by Advent-Cotiviti Acquisition II Limited Partnership (&quot;ACA II LP&quot;), 1,300,911 shares directly owned by Advent International GPE VI-C Limited Partnership (&quot;AI GPE VI-C&quot;), 1,240,917 shares directly owned by Advent International GPE VI-D Limited Partnership (&quot;AI GPE VI-D&quot;), 3,138,847 shares directly owned by Advent International GPE VI-E Limited Partnership (&quot;AI GPE VI-E&quot;), 922,973 shares directly owned by Advent Partners GPE VI 2008 Limited Partnership (&quot;AP GPE VI 2008&quot;), (CONTINUED IN NEXT FOOTNOTE)</footnote>
        <footnote id="F2">(CONTINUTED FROM PREVIOUS FOOTNOTE)
27,999 shares directly owned by Advent Partners GPE VI 2009 Limited Partnership (&quot;AP GPE VI 2009&quot;), 66,033 shares directly owned by Advent Partners GPE VI 2010 Limited Partnership (&quot;AP GPE VI 2010&quot;), 73,335 shares directly owned by Advent Partners GPE VI-A 2010 Limited  Partnership (&quot;AP GPE VI-A 2010&quot;) and 82,235 shares directly owned by Advent Partners GPE VI-A Limited Partnership (&quot;AP GPE VI-A&quot;).</footnote>
        <footnote id="F3">Advent International Corporation (&quot;AIC&quot;) is the manager of Advent International LLC (&quot;AILLC&quot;), which is the general partner of each of GPE VI GP Limited Partnership (&quot;GPE VI GP&quot;), GPE VI GP (Delaware) Limited Partnership (&quot;GPE VI (DE) GP&quot;), AP GPE VI 2008, AP GPE VI 2009, AP GPE VI 2010, AP GPE VI-A and AP GPE VI-A 2010 (AP GPE VI 2008, AP GPE VI 2009, AP GPE VI 2010, AP GPE VI-A and AP GPE VI-A 2010 are collectively the &quot;AP Funds&quot;).</footnote>
        <footnote id="F4">Advent-Cotiviti GP Corporation (&quot;AC GP&quot;) is the general partner of ACA LP and ACA II LP. Advent International GPE VI Limited Partnership (&quot;AI GPE VI&quot;), Advent International GPE VI-A Limited Partnership (&quot;AI GPE VI-A&quot;), Advent International GPE VI-B Limited Partnership (&quot;AI GPE VI-B&quot;), Advent International GPE VI-F Limited Partnership (&quot;AI GPE VI-F&quot;) and Advent International GPE VI-G Limited Partnership (&quot;AI GPE VI-G&quot; and, together with AI GPE VI, AI GPE VI-A, AI GPE VI-B and AI GPE VI-F, the &quot;GPE VI GP Funds&quot;) collectively own 100% of AC GP. AI GPE VI owns 100% of the limited partnership interests in ACA LP and the other GPE VI GP Funds collectively own 100% of the limited partnership interests in ACA II LP.</footnote>
        <footnote id="F5">GPE VI GP is the general partner of the GPE VI GP Funds. GPE VI (DE) GP is the general partner of AI GPE VI-C, AI GPE VI-D and AI GPE VI-E (collectively, the &quot;GPE VI (DE) GP Funds&quot; and together with the GPE VI GP Funds and the AP Funds, the &quot;Advent Funds&quot;).</footnote>
        <footnote id="F6">Each of AIC, AILLC, GPE VI GP, GPE VI (DE) GP, ACA LP, ACA II LP, AC GP and the Advent Funds are referred to herein as the &quot;Reporting Persons&quot;. Each Reporting Person disclaims Section 16 beneficial ownership of the shares reported herein except to the extent of its respective pecuniary interest therein, if any, and the inclusion of these shares in their report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or any other purpose.</footnote>
    </footnotes>

    <remarks>This Form 3 is the first of three Form 3's being filed relating to the same event.  The Form 3 has been split into three filings because there are more than 10 Reporting Persons in total, and the SEC's EDGAR filing system limits a single Form 3 to a maximum of 10 Reporting Persons.  Each Form 3 will be filed by Designated Filer Advent International Corporation.</remarks>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International Corp/MA</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International LLC</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI-A LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact For Advent International GPE VI-B LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI-C LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI-D LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI-E LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI-F LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Richard Terranova, Attorney-in-Fact for Advent International GPE VI-G LP</signatureName>
        <signatureDate>2016-05-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
