Universe · entity
EcoR1 Capital, LLC
Institutional manager (13F) · CIK 1587114
13F holdings · as of 2026-03-31 · top 29 · reported portfolio $2.3B
| # | Issuer | Value | Shares |
|---|---|---|---|
| 1 | ZYMEWORKS INC | $575M | 22,970,388 |
| 2 | ANAPTYSBIO INC | $437M | 7,880,094 |
| 3 | JAZZ PHARMACEUTICALS PLC | $323M | 1,706,469 |
| 4 | CENTESSA PHARMACEUTICALS PLC | $238M | 6,000,000 |
| 5 | CRINETICS PHARMACEUTICALS IN | $156M | 4,288,120 |
| 6 | AKTIS ONCOLOGY INC | $86M | 4,824,469 |
| 7 | ORIC PHARMACEUTICALS INC | $85M | 6,728,116 |
| 8 | CG ONCOLOGY INC | $75M | 1,102,000 |
| 9 | CRISPR THERAPEUTICS AG | $66M | 1,389,276 |
| 10 | ETON PHARMACEUTICALS INC | $54M | 2,171,938 |
| 11 | GALAPAGOS NV | $50M | 1,667,119 |
| 12 | XENCOR INC | $26M | 2,183,000 |
| 13 | NEUROGENE INC | $26M | 1,271,342 |
| 14 | BRIDGEBIO ONCOLOGY THERAPEUT | $25M | 2,823,126 |
| 15 | MBX BIOSCIENCES INC | $23M | 777,000 |
| 16 | RELAY THERAPEUTICS INC | $19M | 1,904,762 |
| 17 | ZENAS BIOPHARMA INC | $15M | 789,500 |
| 18 | ERASCA INC | $15M | 900,000 |
| 19 | EIKON THERAPEUTICS INC | $8M | 732,606 |
| 20 | REPLIMUNE GROUP INC | $8M | 1,000,000 |
| 21 | ZURA BIO LTD | $7M | 1,179,715 |
| 22 | PHATHOM PHARMACEUTICALS INC | $7M | 625,000 |
| 23 | MEREO BIOPHARMA GROUP PLC | $4M | 13,368,855 |
| 24 | STOKE THERAPEUTICS INC | $3M | 100,000 |
| 25 | PRELUDE THERAPEUTICS INC | $3M | 947,049 |
| 26 | IBIO INC | $3M | 1,583,000 |
| 27 | HELIX ACQUISITION CORP III USD | $2M | 200,000 |
| 28 | ATARA BIOTHERAPEUTICS INC | $471k | 99,593 |
| 29 | SURROZEN INC | $129k | 4,444 |
Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.