<SUBMISSION>
<ACCESSION-NUMBER>0001104659-15-078870
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20151112
<FILING-DATE>20151113
<DATE-OF-FILING-DATE-CHANGE>20151113
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Antero Midstream Partners LP
<CIK>0001598968
<ASSIGNED-SIC>4922
<IRS-NUMBER>464109058
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1615 WYNKOOP STREET
<CITY>DENVER
<STATE>CO
<ZIP>80202
<PHONE>(303) 357-7310
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1615 WYNKOOP STREET
<CITY>DENVER
<STATE>CO
<ZIP>80202
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>Antero Resources Midstream LLC
<DATE-CHANGED>20140203
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Schopp Alvyn A.
<CIK>0001586799
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-36719
<FILM-NUMBER>151230792
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>1625 17TH STREET
<CITY>DENVER
<STATE>CO
<ZIP>80202
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-11-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001598968</issuerCik>
        <issuerName>Antero Midstream Partners LP</issuerName>
        <issuerTradingSymbol>AM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001586799</rptOwnerCik>
            <rptOwnerName>Schopp Alvyn A.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1615 WYNKOOP STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Admin &amp; Regional VP</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units representing limited partner interests</value>
            </securityTitle>
            <transactionDate>
                <value>2015-11-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5590</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.76</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>48410</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In connection with the vesting and settlement of phantom units through the issuance of common units representing limited partner interests in the Issuer (&quot;Common Units&quot;) pursuant to a Phantom Unit Agreement and the Antero Midstream Partners LP Long-Term Incentive Plan, the Issuer withheld Common Units that would otherwise have been issued to the Reporting Person to satisfy its tax withholding obligations. The number of Common Units withheld was determined based on the closing price per Common Unit on November 12, 2015.</footnote>
        <footnote id="F2">Includes 36,000 Common Units subject to a Phantom Unit Agreement that vest in three remaining equal installments on the second, third and fourth anniversaries of the grant date.</footnote>
    </footnotes>

    <remarks>The Issuer is a Delaware limited partnership, managed by the directors and officers of its general partner, Antero Resources Midstream Management LLC (''Midstream Management''). Mr. Schopp is the Chief Administrative Officer, Regional Vice President and Treasurer of Midstream Management.</remarks>

    <ownerSignature>
        <signatureName>/s/ Alvyn A. Schopp</signatureName>
        <signatureDate>2015-11-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
