Bain Capital Life Sciences Investors, LLC

Q3 2025 13F Holdings Report, Stock Holdings

Signature - Title
Adam Koppel - Partner of Bain Capital Life Sciences Investors, LLC
Location
Boston, MA
Holdings as of
September 30, 2025
Value $
$1.51B
Num holdings
21
Date filed
11/14/2025, 04:30 PM
Form type
13F-HR
Description
All US holdings of this investor are reported in this report. Top holdings included HTFL, NAMS, CDTX, PHVS, and OLMA.
Previous filing
Q2 2025 - Aug 14, 2025
Sym Weight Trade Impact Company Class Shares Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2025 Q3 compared to 2025 Q2 by default.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Adam Koppel Partner of Bain Capital Life Sciences Investors, LLC Boston, Massachusetts 11/14/2025

Bain Capital Life Sciences Investors, LLC ("BCLSI") is (i) the general partner of Bain Capital Life Sciences Partners, LP, which is the general partner of Bain Capital Life Sciences Fund, L.P., (ii) the manager of Bain Capital Life Sciences Investors II, LLC, which is the general partner of Bain Capital Life Sciences Fund II, L.P., which is the manager of BCLS II Investco (GP), LLC, which is the general partner of BCLS II Investco, LP, and (iii) the manager of Bain Capital Life Sciences III General Partner, LLC, which is the general partner of Bain Capital Life Sciences Fund III, L.P., which is the (a) sole member of Bain Capital Life Sciences Opportunities III GP, LLC, which is the general partner of Bain Capital Life Sciences Opportunities III, LP and (b) the managing member of BCLS Fund III Investments GP, LLC, which is the general partner of BCLS Fund III Investments, LP. The information included on the Information Table with respect to the holdings of Annexon Inc. ("ANNX"), Cabaletta Bio, Inc. ("CABA"), Cidara Therapeutics, Inc. ("CDTX"), NewAmsterdam Pharma Company NV ("NAMS"), Olema Pharmaceuticals, Inc. ("OLMA"), Savara Inc. ("SVRA"), Solid Biosciences Inc. ("SLDB"), X4 Pharmaceuticals, Inc. ("XFOR") and Xilio Therapeutics, Inc. ("XLO") reflect the exercise or conversion of warrants or other convertible securities held by affiliates of BCLSI after giving effect to provisions that prevent the exercise of such securities if the beneficial ownership of such persons would exceed 9.99% of the underlying security following such exercise. As of September 30, 2025, affiliates of BCLSI held an aggregate of 4,474,126 shares of ANNX common stock, 4,260,888 shares of CABA common stock, 2,100,000 shares of CDTX common stock, 10,473,913 ordinary shares of NAMS, 6,696,640 shares of OLMA common stock, 14,789,777 shares of SVRA common stock, 5,034,582 shares of SLDB common stock, 495,991 shares of XFOR common stock and 2,805,413 shares of XLO common stock.

Other Included Managers (12):

Num Name Location File Number
1 Bain Capital Life Sciences Partners, LP Boston, MA 028-18476
2 Bain Capital Life Sciences Fund, L.P. Boston, MA 028-18478
3 Bain Capital Life Sciences Investors II, LLC Boston, MA 028-20816
4 Bain Capital Life Sciences Fund II, L.P. Boston, MA 028-20814
5 BCLS II Investco (GP), LLC Boston, MA 028-22976
6 BCLS II Investco, LP Boston, MA 028-22978
7 Bain Capital Life Sciences III General Partner, LLC Boston, MA 028-22975
8 Bain Capital Life Sciences Fund III, L.P. Boston, MA 028-22979
9 Bain Capital Life Sciences Opportunities III GP, LLC Boston, MA 028-22968
10 Bain Capital Life Sciences Opportunities III, LP Boston, MA 028-22966
11 BCLS Fund III Investments GP, LLC Boston, MA 028-25138
12 BCLS Fund III Investments, LP Boston, MA 028-25140