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Atlas Venture Life Science Advisors, LLC
Period ended Sep 30, 2026 · Latest filing Nov 10, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $631,189,317
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- Kymera Therapeutics, Inc. · Common Stock · 501575104 · shares: $318,326,608
- Disc Medicine, Inc. · Common Stock · 254604101 · shares: $90,598,277
- Obsidian Therapeutics, Inc. · Common Stock · 67448A106 · shares: $61,828,236
- Kailera Therapeutics, Inc. · Common Stock · 482931102 · shares: $59,056,040
- Dyne Therapeutics, Inc. · Common Stock · 26818M108 · shares: $55,429,999
- Q32 Bio, Inc. · Common Stock · 746964105 · shares: $22,470,467
- Sionna Therapeutics, Inc. · Common Stock · 829401108 · shares: $15,756,867
- Korro Bio, Inc. · Common Stock · 500946108 · shares: $7,663,007
- Odyssey Therapeutics, Inc. · Common Stock · 67613T104 · shares: $59,816
Reported holdings
9 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| Kymera Therapeutics, Inc. | Common Stock | 501575104 | — | 2,847,541 shares | $318,326,608 |
| Disc Medicine, Inc. | Common Stock | 254604101 | — | 1,384,025 shares | $90,598,277 |
| Obsidian Therapeutics, Inc. | Common Stock | 67448A106 | — | 4,503,149 shares | $61,828,236 |
| Kailera Therapeutics, Inc. | Common Stock | 482931102 | — | 5,171,282 shares | $59,056,040 |
| Dyne Therapeutics, Inc. | Common Stock | 26818M108 | — | 3,440,720 shares | $55,429,999 |
| Q32 Bio, Inc. | Common Stock | 746964105 | — | 2,717,106 shares | $22,470,467 |
| Sionna Therapeutics, Inc. | Common Stock | 829401108 | — | 2,995,602 shares | $15,756,867 |
| Korro Bio, Inc. | Common Stock | 500946108 | — | 773,260 shares | $7,663,007 |
| Odyssey Therapeutics, Inc. | Common Stock | 67613T104 | — | 2,692 shares | $59,816 |