0000950123-19-001853.txt : 20190214 0000950123-19-001853.hdr.sgml : 20190214 20190214083015 ACCESSION NUMBER: 0000950123-19-001853 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20181231 FILED AS OF DATE: 20190214 DATE AS OF CHANGE: 20190214 EFFECTIVENESS DATE: 20190214 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Bain Capital Life Sciences Investors, LLC CENTRAL INDEX KEY: 0001703031 IRS NUMBER: 813996001 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-18477 FILM NUMBER: 19600995 BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6175162878 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET CITY: BOSTON STATE: MA ZIP: 02116 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001703031 XXXXXXXX 12-31-2018 12-31-2018 Bain Capital Life Sciences Investors, LLC

200 Clarendon Street Boston MA 02116

13F HOLDINGS REPORT 028-18477 Y Bain Capital Life Sciences Investors, LLC is the general partner of Bain Capital Life Sciences Partners, LP, which is the general partner of Bain Capital Life Sciences Fund, L.P. Adam Koppel 617-516-2000 /s/ Adam Koppel Boston MA 02-14-2019 2 6 292636 false 1 28-18476 Bain Capital Life Sciences Partners, LP 2 28-18478 Bain Capital Life Sciences Fund, LP INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F DICERNA PHARMACEUTICALS INC COM 253031108 95464 8930237 SH SOLE 8930237 0 0 MARINUS PHARMACEUTICALS INC COM 56854Q101 14473 5042735 SH SOLE 5042735 0 0 INFLARX NV COM N44821101 64189 1764888 SH SOLE 1764888 0 0 SOLID BIOSCIENCES INC COM 83422E105 53317 1989444 SH SOLE 1989444 0 0 APTINYX INC COM 03836N103 36803 2225092 SH SOLE 2225092 0 0 REPLIMUNE GROUP INC COM 76029N106 28390 2838968 SH SOLE 2838968 0 0