EcoR1 Capital as of Dec. 31, 2025
Portfolio Holdings for EcoR1 Capital
EcoR1 Capital holds 28 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Zymeworks Del (ZYME) | 27.4 | $605M | 23M | 26.33 | |
| Anaptysbio Inc Common (ANAB) | 17.3 | $382M | 7.9M | 48.48 | |
| Jazz Pharmaceuticals Shs Usd (JAZZ) | 13.2 | $290M | 1.7M | 170.00 | |
| Crinetics Pharmaceuticals In (CRNX) | 9.1 | $200M | 4.3M | 46.55 | |
| Centessa Pharmaceuticals Sponsored Ads (CNTA) | 3.5 | $78M | 3.1M | 25.01 | |
| Crispr Therapeutics Namen Akt (CRSP) | 3.3 | $73M | 1.4M | 52.44 | |
| Mbx Biosciences (MBX) | 3.0 | $67M | 2.1M | 31.54 | |
| Immunome (IMNM) | 2.8 | $61M | 2.9M | 21.48 | |
| Oric Pharmaceuticals (ORIC) | 2.5 | $55M | 6.7M | 8.18 | |
| Galapagos Nv Spon Adr (GLPG) | 2.5 | $55M | 1.7M | 32.70 | |
| Xencor (XNCR) | 2.3 | $51M | 3.3M | 15.31 | |
| Cg Oncology (CGON) | 2.0 | $44M | 1.1M | 41.52 | |
| Bridgebio Oncology Therapeut Com New (BBOT) | 1.6 | $35M | 2.8M | 12.52 | |
| Eton Pharmaceuticals (ETON) | 1.6 | $34M | 2.0M | 16.91 | |
| Zenas Biopharma (ZBIO) | 1.3 | $29M | 790k | 36.31 | |
| Neurogene (NGNE) | 1.2 | $26M | 1.3M | 20.60 | |
| Structure Therapeutics Sponsored Ads (GPCR) | 1.1 | $23M | 334k | 69.55 | |
| Vaxcyte (PCVX) | 0.9 | $21M | 450k | 46.14 | |
| Aquestive Therapeutics (AQST) | 0.8 | $17M | 2.6M | 6.46 | |
| Voyager Therapeutics (VYGR) | 0.7 | $16M | 4.0M | 3.93 | |
| Atara Biotherapeutics Com New (ATRA) | 0.5 | $10M | 573k | 18.09 | |
| Mannkind Corp Com New (MNKD) | 0.4 | $9.4M | 1.7M | 5.67 | |
| Nuvation Bio *w Exp 02/10/202 (NUVB.WS) | 0.4 | $8.6M | 963k | 8.96 | |
| Evolus (EOLS) | 0.2 | $4.5M | 675k | 6.65 | |
| Ibio Com New (IBIO) | 0.2 | $4.3M | 2.2M | 1.93 | |
| Mereo Biopharma Group Spon Ads (MREO) | 0.1 | $3.3M | 7.9M | 0.42 | |
| Camp4 Therapeutics Corp (CAMP) | 0.1 | $2.0M | 325k | 6.13 | |
| Surrozen *w Exp 08/01/203 (SRZNW) | 0.0 | $100k | 4.4k | 22.60 |
