§ 13F · FUND PROFILE
EcoR1 Capital, LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $2083.9T (13F)Positions · 30Turnover · — · Q4Filed · Feb 17, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$140.4T 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 17, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | ZYME | ZYMEWORKS INC | 22.97M | $604.8T | 27.4% | ±0% |
| 2 | ANAB | ANAPTYSBIO INC | 7.88M | $382.0T | 17.3% | ±0% |
| 3 | JAZZ | JAZZ PHARMACEUTICALS PLC | 1.71M | $290.1T | 13.2% | ±0% |
| 4 | CRNX | CRINETICS PHARMACEUTICALS IN | 4.29M | $199.6T | 9.1% | ±0% |
| 5 | CNTA | CENTESSA PHARMACEUTICALS PLC | 3.12M | $77.9T | 3.5% | +466% |
| 6 | CRSP | CRISPR THERAPEUTICS AG | 1.39M | $72.9T | 3.3% | ±0% |
| 7 | MBX | MBX BIOSCIENCES INC | 2.12M | $67.0T | 3.0% | ±0% |
| 8 | IMNM | IMMUNOME INC | 2.86M | $61.3T | 2.8% | −30% |
| 9 | ORIC | ORIC PHARMACEUTICALS INC | 6.73M | $55.0T | 2.5% | ±0% |
| 10 | GLPG | GALAPAGOS NV | 1.67M | $54.5T | 2.5% | ±0% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE ECOR1 SIGNAL
AC read
EcoR1 Capital, LLC is a Other fund managing $2083868.9 trillion in assets. The fund runs a portfolio of 30 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