0001012975-16-001561.txt : 20161114 0001012975-16-001561.hdr.sgml : 20161111 20161114095352 ACCESSION NUMBER: 0001012975-16-001561 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20160930 FILED AS OF DATE: 20161114 DATE AS OF CHANGE: 20161114 EFFECTIVENESS DATE: 20161114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Flagship Ventures Management, Inc. CENTRAL INDEX KEY: 0001400240 IRS NUMBER: 752992246 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17559 FILM NUMBER: 161991454 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY, 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617 868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY, 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001400240 XXXXXXXX 09-30-2016 09-30-2016 Flagship Ventures Management, Inc.

55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142

13F HOLDINGS REPORT 028-17559 N Noubar B. Afeyan, Ph.D. 617-868-1888 /s/ Noubar B. Afeyan, Ph.D. Cambridge MA 11-11-2016 2 9 365999 false 1 0001508053 028-15778 Flagship Ventures 2007 General Partner LLC 2 0001508051 028-17238 Flagship Ventures Fund IV General Partner LLC INFORMATION TABLE 2 infotable.xml AGIOS PHARMACEUTICALS INC COM 00847X104 50991 965369 SH DFND 1 0 965369 0 ELEVEN BIOTHERAPEUTICS INC COM 286221106 5135 1833803 SH DFND 1 0 1833803 0 ELEVEN BIOTHERAPEUTICS INC COM 286221106 1459 520907 SH DFND 2 0 520907 0 T2 BIOSYSTEMS INC COM 89853L104 11822 1632816 SH DFND 0 1632816 0 T2 BIOSYSTEMS INC COM 89853L104 3934 543351 SH DFND 2 0 543351 0 SERES THERAPEUTICS INC COM 81750R102 155873 12682876 SH DFND 2 0 12682876 0 EDITAS MEDICINE INC COM 28106W103 46578 3455316 SH DFND 2 0 3455316 0 SYROS PHARMACEUTICALS INC COM 87184Q107 66668 4806656 SH DFND 2 0 4806656 0 SELECTA BIOSCIENCES INC COM 816212104 23539 1651862 SH DFND 1 0 1651862 0