0000950123-24-011756.txt : 20241114 0000950123-24-011756.hdr.sgml : 20241114 20241114160003 ACCESSION NUMBER: 0000950123-24-011756 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20240930 FILED AS OF DATE: 20241114 DATE AS OF CHANGE: 20241114 EFFECTIVENESS DATE: 20241114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Flagship Pioneering Inc. CENTRAL INDEX KEY: 0001400240 ORGANIZATION NAME: IRS NUMBER: 752992246 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17559 FILM NUMBER: 241461353 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY, SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617 868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY, SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 FORMER COMPANY: FORMER CONFORMED NAME: Flagship Ventures Management, Inc. DATE OF NAME CHANGE: 20070522 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE 0001400240 XXXXXXXX 09-30-2024 09-30-2024 false Flagship Pioneering Inc.

55 Cambridge Parkway, Suite 800E Cambridge MA 02142

13F HOLDINGS REPORT 028-17559 N Noubar B. Afeyan, Ph.D. 617-868-1888 /s/ Noubar B. Afeyan Cambridge MA 11-14-2024 3 12 591878313 false 1 028-18466 Flagship Ventures Fund V General Partner LLC 2 028-17238 Flagship Ventures Fund IV General Partner LLC 3 028-19988 Noubar Afeyan INFORMATION TABLE 2 36848.xml INFORMATION TABLE FOR FORM 13F Foghorn Therapeutics Inc COM 344174107 86870474 9330878 SH DFND 1,3 0 9330878 0 Foghorn Therapeutics Inc COM 344174107 31125583 3343242 SH DFND 3 0 3343242 0 Moderna Inc COM 60770K107 309304277 4628225 SH DFND 2,3 0 4628225 0 Moderna Inc COM 60770K107 262241 3924 SH DFND 3 0 3924 0 Omega Therapeutics Inc COM 68217N105 8521524 6984856 SH DFND 1,3 0 6984856 0 Omega Therapeutics Inc COM 68217N105 27133681 22240723 SH DFND 3 0 22240723 0 Sana Biotechnology Inc COM 799566104 37825540 9092678 SH DFND 1,3 0 9092678 0 Sana Biotechnology Inc COM 799566104 66182181 15909178 SH DFND 3 0 15909178 0 Seres Therapeutics Inc COM 81750R102 7997266 8452876 SH DFND 2,3 0 8452876 0 Seres Therapeutics Inc COM 81750R102 13873770 14664169 SH DFND 3 0 14664169 0 Syros Pharmaceuticals Inc COM 87184Q206 631776 293849 SH DFND 2,3 0 293849 0 Syros Pharmaceuticals Inc COM 87184Q206 2150000 1000000 SH DFND 3 0 1000000 0