0001280965-15-000004 SC 13G 1 20150210 20150210 Antero Midstream Partners LP 0001598968 4922 464109058 DE 1231 SC 13G 34 005-88411 15592142 1615 WYNKOOP STREET DENVER CO 80202 (303) 357-7310 1615 WYNKOOP STREET DENVER CO 80202 Antero Resources Midstream LLC 20140203 TORTOISE CAPITAL ADVISORS, L.L.C. 0001280965 223875939 KS 1231 SC 13G 11550 ASH STREET, SUITE 300 LEAWOOD KS 66211 913-981-1020 11550 ASH STREET, SUITE 300 LEAWOOD KS 66211 TORTOISE CAPITAL ADVISORS LLC 20040220 SC 13G 1 antero13g.htm ANTERO MIDSTREAM PARTNERS 13G 12.31.14