Bain Capital Life Sciences Investors, LLC

Q4 2023 13F Holdings Report, Stock Holdings

Signature - Title
Adam Koppel - Partner of Bain Capital Life Sciences Investors, LLC
Location
Boston, MA
Holdings as of
December 31, 2023
Value $
$1.04B
Num holdings
27
Date filed
2/13/2024, 04:30 PM
Description
All US holdings of this investor are reported in this report.
Previous filing
Q3 2023 - Nov 14, 2023
Sym Weight Trade Impact Company Class Shares Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2023 Q4 compared to 2023 Q3 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 2/13/2024

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 general partner of BC SW, LP, (iii) 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 (iv) 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 sole member of Bain Capital Life Sciences Opportunities III GP, LLC, which is the general partner of Bain Capital Life Sciences Opportunities III, LP. The shares of Annexon, Inc. ("ANNX") are as reported on Amend. No. 3 to Schedule 13G filed by affiliates of BCLSI on 2/13/24 and reflect the exercise of securities held by such persons for ANNX common stock, after giving effect to 9.99% conversion blockers. As of 12/31/23, such persons held 5,701,926 shares of ANNX common stock. The shares of Savara Inc. ("SVRA") are as reported on Amend. No. 2 to Schedule 13D filed by affiliates of BCLSI on 7/19/23 and reflect the exercise of securities held by such persons for SVRA common stock, after giving effect to 9.99% conversion blockers. As of 12/31/23, such persons held 6,913,208 shares of SVRA common stock. The shares of Syros Pharmaceuticals, Inc. ("SYRS") are as reported on Amend. No. 3 to Schedule 13G filed by affiliates of BCLSI on 2/13/24 and reflect the exercise of securities held by such persons for SYRS common stock, after giving effect to 9.99% conversion blockers. As of 12/31/23, such persons held 1,230,857 shares of SYRS common stock. The shares of X4 Pharmaceuticals, Inc. ("XFOR") are as reported on Amend. No. 3 to Schedule 13G filed by affiliates of BCLSI on 2/13/24 and reflect the exercise of securities held by such persons for XFOR common stock, after giving effect to 9.99% conversion blockers. As of 12/31/23, such persons held 14,879,809 shares of XFOR common stock.

Other Included Managers (11):

Num Name File Number
1 Bain Capital Life Sciences Partners, LP 028-18476
2 Bain Capital Life Sciences Fund, L.P. 028-18478
3 BC SW, LP 028-20270
4 Bain Capital Life Sciences Investors II, LLC 028-20816
5 Bain Capital Life Sciences Fund II, L.P. 028-20814
6 BCLS II Investco (GP), LLC 028-22976
7 BCLS II Investco, LP 028-22978
8 Bain Capital Life Sciences III General Partner, LLC 028-22975
9 Bain Capital Life Sciences Fund III, L.P. 028-22979
10 Bain Capital Life Sciences Opportunities III GP, LLC 028-22968
11 Bain Capital Life Sciences Opportunities III, LP 028-22966