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EcoR1 Capital, LLC

Q1 2025 Holdings

Filed 2025-05-15 | 46 holdings | $1.7B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Apellis Pharmaceuticals Inc(APLS)COM03753U106$260.2M11,895,80815.4%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$211.9M1,706,46912.6%
Zymeworks Inc(ZYME)COM98985Y108$205.6M17,259,54812.2%
Anaptysbio Inc(ANAB)COM032724106$146.5M7,880,0948.7%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$143.8M4,288,1208.5%
Prothena Corp PLC(PRTA)SHSG72800108$143.4M11,584,2808.5%
Sarepta Therapeutics Inc(SRPT)COM803607100$82.5M1,292,3864.9%
Xencor Inc(XNCR)COM98401F105$65.4M6,144,7673.9%
Crispr Therapeutics AG(CRSP)NAMEN AKTH17182108$47.3M1,389,2762.8%
Uniqure NV(QURE)SHSN90064101$42.3M3,988,9712.5%
Janux Therapeutics Inc(JANX)COM47103J105$39.7M1,469,8182.4%
Immunome Inc(IMNM)COM45257U108$27.5M4,079,4151.6%
Eton Pharmaceuticals Inc(ETON)COM29772L108$25.2M1,939,2881.5%
Madrigal Pharmaceuticals Inc(MDGL)COM558868105$24.8M75,0001.5%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$19.1M3,418,0681.1%
Akero Therapeutics Inc(AKRO)COM00973Y108$17.8M440,0001.1%
Kura Oncology Inc(KURA)COM50127T109$17.4M2,640,2981.0%
Tectonic Therapeutic Inc(TECX)COM878972108$16.6M935,1211.0%
Avidity Biosciences Inc(RNA)COM05370A108$16.5M557,5761.0%
Neurogene Inc(NGNE)COM64135M105$14.9M1,271,3420.9%
Tango Therapeutics Inc(TNGX)COM87583X109$14.6M10,630,7360.9%
Voyager Therapeutics Inc(VYGR)COM92915B106$13.2M3,917,5460.8%
Beam Therapeutics Inc(BEAM)COM07373V105$10.3M526,6850.6%
MBX Biosciences Inc(MBX)COM55287L101$9.3M1,259,2730.6%
Ginkgo Bioworks Holdings Inc(DNA)CL A NEW37611X209$8.3M1,462,3280.5%
Replimune Group Inc(REPL)COM76029N106$8.3M850,3410.5%
Bicycle Therapeutics PLC(BCYC)SPONSORED ADS088786108$7.7M910,0000.5%
DAY One Biopharmaceuticals I(DAWN)COM23954D109$6.8M862,0680.4%
Verve Therapeutics IncCOM92539P101$5.7M1,250,0000.3%
Adaptimmune Therapeutics PLC(ADAPY)SPONDS ADR00653A107$5.4M27,404,0700.3%
Galapagos NV(GLPG)SPON ADR36315X101$3.9M155,0060.2%
Whitehawk Therapeutics Inc(WHWK)COM00032Q104$3.7M2,082,0000.2%
Atara Biotherapeutics Inc(ATRA)COM NEW046513206$3.4M573,1830.2%
Solid Biosciences Inc(SLDB)COM NEW83422E204$2.8M744,4500.2%
Keros Therapeutics Inc(KROS)COM492327101$1.9M187,5000.1%
Nuvation BIO Inc(NUVB/WS)*W EXP 02/10/20267080N119$1.7M963,3330.1%
Relay Therapeutics Inc(RLAY)COM75943R102$1.7M641,4260.1%
Kalaris Therapeutics Inc(KLRS)COM482929106$1.6M201,7180.1%
Uniqure NV(QURE)CallSHSN90064101$1.4M135,0000.1%
Prime Medicine Inc(PRME)COM74168J101$1.4M700,0000.1%
Metsera IncCOM59267L107$1.4M50,0000.1%
Tscan Therapeutics Inc(TCRX)COM89854M101$914.7K662,8330.1%
Surrozen Inc(SRZNW)*W EXP 08/01/20386889P117$777.3K66,6650.0%
Aligos Therapeutics Inc(ALGS)COM NEW01626L204$730.7K88,5690.0%
Eton Pharmaceuticals Inc(ETON)CallCOM29772L108$655.5K50,5000.0%
Upstream BIO Inc(UPB)COM91678A107$367.2K60,0000.0%