Atlas Venture Life Science Advisors, Llc Portfolio Stock Holdings
According to the SEC 13F filed on August 13, 2026, Atlas Venture Life Science Advisors, Llc disclosed 7 stock positions valued at approximately $881.29M as of quarter-end June 30, 2026. The largest holdings include Kymera Therapeutics, Inc., Dyne Therapeutics, Inc., and Sionna Therapeutics, Inc..
- Report Period
- June 30, 2026
- No. of Stocks
- 7
- Portfolio Value
- $881.29M
Holdings by Sector
Atlas Venture Life Science Advisors, Llc Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| Kymera Therapeutics, Inc. | KYMR | Healthcare | 37.05% | 2,847,541 | -1,730,467 | -37.80% | $326,527,526 |
| Dyne Therapeutics, Inc. | DYN | Healthcare | 17.14% | 6,800,099 | -2,330,366 | -25.52% | $151,030,199 |
| Sionna Therapeutics, Inc. | SION | Other | 14.95% | 2,995,602 | - | - | $131,776,532 |
| Kailera Therapeutics, Inc. | KLRA | Other | 12.93% | 5,171,282 | +5,171,282 | +100.00% | $113,923,342 |
| Disc Medicine, Inc. | IRON | Healthcare | 12.56% | 1,513,875 | - | - | $110,724,818 |
| Q32 Bio, Inc. | QTTB | Healthcare | 3.93% | 2,717,106 | +625,000 | +29.87% | $34,615,930 |
| Korro Bio, Inc. | KRRO | Healthcare | 1.44% | 962,884 | -174,265 | -15.32% | $12,690,811 |
Showing 7 of 7 holdings in the latest reporting period.