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EcoR1 Capital, LLC

Q3 2025 Holdings

Filed 2025-11-14 | 30 holdings | $2.1B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Zymeworks Inc(ZYME)COM98985Y108$392.3M22,970,38818.8%
Anaptysbio Inc(ANAB)COM032724106$241.3M7,880,09411.6%
Uniqure NV(QURE)SHSN90064101$232.8M3,988,97111.2%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$224.9M1,706,46910.8%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$178.6M4,288,1208.6%
Crispr Therapeutics AG(CRSP)NAMEN AKTH17182108$90.0M1,389,2764.3%
Tango Therapeutics Inc(TNGX)COM87583X109$89.3M10,630,7364.3%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$80.7M6,728,1163.9%
Apellis Pharmaceuticals Inc(APLS)COM03753U106$78.0M3,447,1563.7%
Xencor Inc(XNCR)COM98401F105$72.1M6,144,7673.5%
Galapagos NV(GLPG)SPON ADR36315X101$57.7M1,667,1192.8%
Immunome Inc(IMNM)COM45257U108$47.8M4,079,4152.3%
Eton Pharmaceuticals Inc(ETON)COM29772L108$44.1M2,030,5442.1%
MBX Biosciences Inc(MBX)COM55287L101$37.2M2,123,6041.8%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$34.4M75,0001.7%
Avidity Biosciences Inc(RNA)COM05370A108$33.3M765,0001.6%
Bridgebio Oncology Therapeut(BBOT)COM NEW ADDED107924102$32.7M2,823,1261.6%
Neurogene Inc(NGNE)COM64135M105$22.0M1,271,3421.1%
Alkermes PLC(ALKS)SHSG01767105$15.0M500,0000.7%
Aquestive Therapeutics Inc(AQST)COM03843E104$14.7M2,625,0000.7%
Metsera IncCOM59267L107$14.2M271,5290.7%
Centessa Pharmaceuticals PLC(CNTA)SPONSORED ADS152309100$13.3M550,0000.6%
Prime Medicine Inc(PRME)COM74168J101$8.6M1,543,3260.4%
Atara Biotherapeutics Inc(ATRA)COM NEW046513206$8.2M573,1830.4%
Kura Oncology Inc(KURA)COM50127T109$7.7M872,5000.4%
Pepgen Inc(PEPG)COM713317105$3.7M800,0000.2%
Nuvation BIO Inc(NUVB/WS)*W EXP 02/10/20267080N119$3.6M963,3330.2%
Voyager Therapeutics Inc(VYGR)COM92915B106$3.1M670,3030.2%
Compass Pathways PLC(CMPS)SPONSORED ADS20451W101$1.5M265,1370.1%
Surrozen Inc(SRZNW)*W EXP 08/01/20386889P117$859.3K66,6650.0%