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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2014-12-11</periodOfReport>

    <dateOfOriginalSubmission>2014-12-11</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001610532</issuerCik>
        <issuerName>Hortonworks, Inc.</issuerName>
        <issuerTradingSymbol>HDP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190193</rptOwnerCik>
            <rptOwnerName>SPURLOCK STEVEN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190192</rptOwnerCik>
            <rptOwnerName>BALKANSKI ALEXANDRE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001572685</rptOwnerCik>
            <rptOwnerName>Cohler Matt</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190211</rptOwnerCik>
            <rptOwnerName>DUNLEVIE BRUCE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190191</rptOwnerCik>
            <rptOwnerName>GURLEY J WILLIAM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190213</rptOwnerCik>
            <rptOwnerName>HARVEY KEVIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001183234</rptOwnerCik>
            <rptOwnerName>KAGLE ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001091435</rptOwnerCik>
            <rptOwnerName>LASKY MITCHELL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2965 WOODSIDE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODSIDE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Series A Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5879356</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benchmark Capital Partners VII, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series C Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>261050</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benchmark Capital Partners VII, L.P</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series D Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>196397</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benchmark Capital Partners VI, L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Series D Convertible Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>196397</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benchmark Capital Partners VII, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock and Series D Convertible Preferred Stock automatically converts into Common Stock on a 2-for-1 basis (for every two shares of Preferred Stock, one share of Common Stock) immediately prior to the closing of the Issuer's initial public offering of Common Stock and has no expiration date or conversion price.  The number of underlying shares of Common Stock is shown in the table above.</footnote>
        <footnote id="F2">Shares held of record by Benchmark Capital Partners VII, L.P, (&quot;BCP VII&quot;), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. (&quot;BFF VII&quot;), Benchmark Founders' Fund VII-B, L.P. (&quot;BFF VII-B&quot;) and related persons.  Benchmark Capital Management Co. VII, L.L.C. (&quot;BCMC VII&quot;), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Steven M. Spurlock, and Mitchell H. Lasky are the managing members of BCMC VII, which serves as general partner to BCP VII, BFF VII and BFF VII-B, and may be deemed to share voting and investment power over the shares beneficially held by such entities. Each such person and entity disclaims the existence of a &quot;group&quot; and disclaims beneficial ownership of any securities (except to the extent of such person's or entity's pecuniary interest in such securities).</footnote>
        <footnote id="F3">Shares held of record by Benchmark Capital Partners VI, L.P. (&quot;BCP VI&quot;), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. (&quot;BFF VI&quot;), Benchmark Founders' Fund VI-B, L.P. (&quot;BFF VI-B&quot;) and related persons. Benchmark Capital Management Co. VI, L.L.C. (&quot;BCMC VI&quot;), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares.  Alexandre Balkanski, Matthew R.Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert Kagle, Mitchell H. Lasky and Steven M. Spurlock are the managing members of BCMC VI, which serves as general partner to BCP VI, BFF VI, L.P. and BFF VI-B, L.P., and may be deemed to share voting and investment power over the shares beneficially held by such entities. Each such person and entity disclaims the existence of a &quot;group&quot; and disclaims beneficial ownership of any securities (except to the extent of such person's or entity's pecuniary interest in such securities).</footnote>
    </footnotes>

    <remarks>This report is one of four reports, each on a separate Form 3, but relating to the same transaction being filed by entities affiliated with Benchmark Capital and their applicable member.</remarks>

    <ownerSignature>
        <signatureName>Alexandre Balanski, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Matthew R. Cohler, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Bruce W. Dunlevie, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. William Gurley, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Kevin R. Harvey, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Robert C. Kagle, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Steven M. Spurlock, /s/ Steven M. Spurlock</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Mitchell H. Lasky, /s/ Steven M. Spurlock, Authorized Signatory</signatureName>
        <signatureDate>2014-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
