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EcoR1 Capital, LLC

Q2 2025 Holdings

Filed 2025-08-14 | 37 holdings | $1.7B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Zymeworks Inc(ZYME)COM98985Y108$288.3M22,970,38817.1%
Apellis Pharmaceuticals Inc(APLS)COM03753U106$205.9M11,895,80812.2%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$181.1M1,706,46910.7%
Anaptysbio Inc(ANAB)COM032724106$174.9M7,880,09410.4%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$123.3M4,288,1207.3%
Iteos Therapeutics Inc(5E7)COM46565G104$106.6M10,688,9786.3%
Crispr Therapeutics AG(CRSP)NAMEN AKTH17182108$67.6M1,389,2764.0%
Uniqure NV(QURE)SHSN90064101$55.6M3,988,9713.3%
Tango Therapeutics Inc(TNGX)COM87583X109$54.4M10,630,7363.2%
Xencor Inc(XNCR)COM98401F105$48.3M6,144,7672.9%
Immunome Inc(IMNM)COM45257U108$37.9M4,079,4152.2%
Janux Therapeutics Inc(JANX)COM47103J105$34.0M1,469,8182.0%
Galapagos NV(GLPG)SPON ADR36315X101$29.0M1,036,9451.7%
Eton Pharmaceuticals Inc(ETON)COM29772L108$28.9M2,030,5441.7%
Kura Oncology Inc(KURA)COM50127T109$24.2M4,200,0001.4%
Akero Therapeutics Inc(AKRO)COM00973Y108$23.5M440,0001.4%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$22.7M75,0001.3%
Neurogene Inc(NGNE)COM64135M105$19.0M1,271,3421.1%
Verona Pharma PLC(VRNA)SPONSORED ADS925050106$18.9M200,0001.1%
Tectonic Therapeutic Inc(TECX)COM878972108$18.6M935,1211.1%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$16.4M1,618,0681.0%
Alkermes PLC(ALKS)SHSG01767105$14.3M500,0000.8%
Avidity Biosciences Inc(RNA)COM05370A108$14.2M500,0000.8%
MBX Biosciences Inc(MBX)COM55287L101$13.1M1,149,7940.8%
Voyager Therapeutics Inc(VYGR)COM92915B106$12.2M3,917,5460.7%
Pacira Biosciences Inc(PCRX)COM695127100$10.9M457,4710.6%
Replimune Group Inc(REPL)COM76029N106$7.9M850,3410.5%
Metsera IncCOM59267L107$7.7M271,5290.5%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADS00653A107$6.6M27,404,0700.4%
DAY One Biopharmaceuticals I(DAWN)COM23954D109$5.6M862,0680.3%
Hillevax IncCOM43157M102$4.8M2,420,2430.3%
Atara Biotherapeutics Inc(ATRA)COM NEW046513206$4.4M573,1830.3%
Whitehawk Therapeutics Inc(WHWK)COM00032Q104$2.0M1,091,4170.1%
Macrogenics Inc(MGNX)COM556099109$1.9M1,602,7170.1%
Uniqure NV(QURE)CallSHSN90064101$1.9M135,0000.1%
Nuvation BIO Inc(NUVB/WS)*W EXP 02/10/20267080N119$1.9M963,3330.1%
Surrozen Inc(SRZNW)*W EXP 08/01/20386889P117$596.0K66,6650.0%