Atlas Venture Life Science Advisors, LLC Q3 2025 Filing
Filed November 13, 2025
Portfolio Value
$752.6B
Holdings
9
Report Date
Q3 2025
Filing Type
13F-HR
All Holdings (9 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | KYMRKymera Therapeutics, Inc. | 4,896,462 | $277.1B | 36.82% | |
| 2 | IRONDisc Medicine, Inc. | 2,142,617 | $141.6B | 18.81% | |
| 3 | DYNDyne Therapeutics, Inc. | 9,130,465 | $115.5B | 15.35% | |
| 4 | SIONSionna Therapeutics, Inc. | 3,615,527 | $106.3B | 14.13% | |
| 5 | KRROKorro Bio, Inc. | 1,137,149 | $54.5B | 7.24% | |
| 6 | DAWNDay One Biopharmaceuticals, Inc. | 6,430,257 | $45.3B | 6.02% | |
| 7 | GBIOGBXGeneration Bio, Co. | 827,946 | $5.1B | 0.67% | |
| 8 | QTTBQ32 Bio, Inc. | 2,092,106 | $4.1B | 0.55% | |
| 9 | IMAImageneBio, Inc. | 377,814 | $3.1B | 0.41% |