0000950123-18-003658.txt : 20180419 0000950123-18-003658.hdr.sgml : 20180419 20180419171155 ACCESSION NUMBER: 0000950123-18-003658 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180331 FILED AS OF DATE: 20180419 DATE AS OF CHANGE: 20180419 EFFECTIVENESS DATE: 20180419 FILER: COMPANY DATA: COMPANY CONFORMED NAME: TRV GP, LLC CENTRAL INDEX KEY: 0001578973 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-18416 FILM NUMBER: 18764492 BUSINESS ADDRESS: STREET 1: C/O THIRD ROCK VENTURES STREET 2: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-585-2000 MAIL ADDRESS: STREET 1: C/O THIRD ROCK VENTURES STREET 2: 29 NEWBURY STREET, 3RD FLOOR CITY: BOSTON STATE: MA ZIP: 02116 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001578973 XXXXXXXX 03-31-2018 03-31-2018 TRV GP, LLC

C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR Boston MA 02116

13F HOLDINGS REPORT 028-18416 N Kevin Gillis 617-585-2000 /s/ Kevin Gillis Boston MA 04-19-2018 3 5 141101 false 1 028-18439 Mark Levin 2 028-18438 Kevin P. Starr 3 028-18419 Robert I. Tepper INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F ELEVEN BIOTHERAPEUTICS, INC. COM 286221106 5084 4841591 SH DFND 1,2,3 4841591 0 0 ZAFGEN, INC. COM 98885E103 1567 210371 SH DFND 1,2,3 210371 0 0 CYTOMX THERAPEUTICS, INC. COM 23284F105 29029 1020348 SH DFND 1,2,3 1020348 0 0 KALA PHARMACEUTICALS INC. COM 483119103 26190 1654425 SH DFND 1,2,3 1654425 0 0 RHYTHM PHARMACEUTICALS, INC. COM 76243J105 79231 3981437 SH DFND 1,2,3 3981437 0 0