ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC
Latest 13F filing data - Q4 2025
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
 | DYN | 9.13M | $178.59M |
 | DAWN | 6.41M | $59.77M |
 | KYMR | 4.66M | $362.58M |
 | SION | 3.00M | $123.24M |
 | QTTB | 2.09M | $6.95M |
 | IRON | 1.51M | $120.22M |
 | KRRO | 1.14M | $9.11M |
 | GBIO | 828K | $4.70M |
Dyne Therapeutics, Inc.
DYN
Shares Held
9.13M
Value
$178.59M
Day One Biopharmaceuticals, Inc.
DAWN
Shares Held
6.41M
Value
$59.77M
Kymera Therapeutics, Inc.
KYMR
Shares Held
4.66M
Value
$362.58M
Sionna Therapeutics, Inc.
SION
Shares Held
3.00M
Value
$123.24M
Q32 Bio Inc.
QTTB
Shares Held
2.09M
Value
$6.95M
Disc Medicine, Inc.
IRON
Shares Held
1.51M
Value
$120.22M
Korro Bio, Inc.
KRRO
Shares Held
1.14M
Value
$9.11M
Generation Bio Co.
GBIO
Shares Held
828K
Value
$4.70M