EcoR1 Capital

EcoR1 Capital as of June 30, 2025

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 36 positions in its portfolio as reported in the June 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Zymeworks Del (ZYME) 17.1 $288M 23M 12.55
Apellis Pharmaceuticals (APLS) 12.2 $206M 12M 17.31
Jazz Pharmaceuticals Shs Usd (JAZZ) 10.7 $181M 1.7M 106.12
Anaptysbio Inc Common (ANAB) 10.4 $175M 7.9M 22.20
Crinetics Pharmaceuticals In (CRNX) 7.3 $123M 4.3M 28.76
Iteos Therapeutics 6.3 $107M 11M 9.97
Crispr Therapeutics Namen Akt (CRSP) 4.0 $68M 1.4M 48.64
Uniqure Nv SHS (QURE) 3.4 $58M 4.1M 13.94
Tango Therapeutics (TNGX) 3.2 $54M 11M 5.12
Xencor (XNCR) 2.9 $48M 6.1M 7.86
Immunome (IMNM) 2.2 $38M 4.1M 9.30
Janux Therapeutics (JANX) 2.0 $34M 1.5M 23.10
Galapagos Nv Spon Adr (GLPG) 1.7 $29M 1.0M 27.99
Eton Pharmaceuticals (ETON) 1.7 $29M 2.0M 14.25
Kura Oncology (KURA) 1.4 $24M 4.2M 5.77
Akero Therapeutics (AKRO) 1.4 $24M 440k 53.36
Madrigal Pharmaceuticals (MDGL) 1.3 $23M 75k 302.64
Neurogene (NGNE) 1.1 $19M 1.3M 14.95
Verona Pharma Sponsored Ads (VRNA) 1.1 $19M 200k 94.58
Tectonic Therapeutic (TECX) 1.1 $19M 935k 19.87
Oric Pharmaceuticals (ORIC) 1.0 $16M 1.6M 10.15
Alkermes SHS (ALKS) 0.8 $14M 500k 28.61
Avidity Biosciences Ord (RNA) 0.8 $14M 500k 28.40
Mbx Biosciences (MBX) 0.8 $13M 1.1M 11.41
Voyager Therapeutics (VYGR) 0.7 $12M 3.9M 3.11
Pacira Pharmaceuticals (PCRX) 0.6 $11M 458k 23.90
Replimune Group (REPL) 0.5 $7.9M 850k 9.29
Mestera (MTSR) 0.5 $7.7M 272k 28.45
Adaptimmune Therapeutics Sponds Ads (ADAP) 0.4 $6.6M 27M 0.24
Day One Biopharmaceuticals I (DAWN) 0.3 $5.6M 862k 6.50
Hillevax 0.3 $4.8M 2.4M 1.99
Atara Biotherapeutics Com New (ATRA) 0.3 $4.4M 573k 7.72
Aadi Bioscience (WHWK) 0.1 $2.0M 1.1M 1.87
Macrogenics (MGNX) 0.1 $1.9M 1.6M 1.21
Nuvation Bio *w Exp 02/10/202 (NUVB.WS) 0.1 $1.9M 963k 1.95
Surrozen *w Exp 08/01/203 (SRZNW) 0.0 $596k 67k 8.94