§ 13F · FUND PROFILE
Atlas Venture Life Science Advisors, LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $662.4T (13F)Positions · 11Turnover · — · Q4Filed · Feb 13, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$4.7T deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 13, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | KYMR | Kymera Therapeutics, Inc. | 4.66M | $362.6T | 41.9% | −5% |
| 2 | DYN | Dyne Therapeutics, Inc. | 9.13M | $178.6T | 20.6% | ±0% |
| 3 | SION | Sionna Therapeutics, Inc. | 3.00M | $123.2T | 14.2% | −17% |
| 4 | IRON | Disc Medicine, Inc. | 1.51M | $120.2T | 13.9% | −29% |
| 5 | DAWN | Day One Biopharmaceuticals, Inc. | 6.41M | $59.8T | 6.9% | ±0% |
| 6 | KRRO | Korro Bio, Inc. | 1.14M | $9.1T | 1.1% | ±0% |
| 7 | QTTB | Q32 Bio, Inc. | 2.09M | $6.9T | 0.8% | ±0% |
| 8 | — | Generation Bio, Co. | 828K | $4.7T | 0.5% | NEW |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE ATLAS SIGNAL
AC read
Atlas Venture Life Science Advisors, LLC is a Other fund managing $662354.7 trillion in assets. The fund runs a focused portfolio of just 11 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed
Q2 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed