EcoR1 Capital, LLC
Source: SEC Form 13F · as of Mar 2026EcoR1 Capital, LLC holds 12 biotech & pharma companies tracked by BioSniper, totaling $295.4M in value as of Mar 2026 (SEC Form 13F).
Companies held
12
Total value held
$295.4M
| Company | Shares | Value |
|---|---|---|
| CGONCG Oncology, Inc. | 1,102,000 | $74.6M |
| CRSPCRISPR Therapeutics AG | 1,389,276 | $66.1M |
| GLPGGalapagos NV | 1,667,119 | $50.0M |
| MBXMBX Biosciences, Inc. | 777,000 | $23.2M |
| RLAYRelay Therapeutics, Inc. | 1,904,762 | $19.0M |
| ZBIOZenas BioPharma, Inc. | 789,500 | $15.4M |
| ERASErasca, Inc. | 900,000 | $14.6M |
| EIKNEikon Therapeutics Inc. | 732,606 | $7.8M |
| REPLReplimune Group, Inc. | 1,000,000 | $7.7M |
| ZURAZura Bio Ltd | 1,179,715 | $7.0M |
| PHATPhathom Pharmaceuticals, Inc. | 625,000 | $6.9M |
| STOKStoke Therapeutics, Inc. | 100,000 | $3.3M |
13F holdings reflect long positions in U.S.-listed securities as reported to the SEC. Values are point-in-time for the most recent reported quarter.