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EcoR1 Capital, LLC

Q1 2023 Holdings

Filed 2023-05-15 | 58 holdings | $3.1B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Prothena Corp PLC(PRTA)SHSG72800108$561.5M11,584,28018.1%
Sarepta Therapeutics Inc(SRPT)COM803607100$413.4M2,999,45313.3%
Apellis Pharmaceuticals Inc(APLS)COM03753U106$359.6M5,451,64711.6%
Galapagos NV(GLPG)SPON ADR36315X101$164.0M4,244,6455.3%
Anaptysbio Inc(ANAB)COM032724106$163.7M7,521,0245.3%
Xencor Inc(XNCR)COM98401F105$147.3M5,282,5164.7%
Morphic Hldg IncCOM61775R105$144.8M3,846,9664.7%
Revolution Medicines Inc(RVMD)COM76155X100$115.9M5,352,1833.7%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$112.8M5,991,4793.6%
Arvinas Inc(ARVN)COM04335A105$101.6M3,717,7883.3%
Zymeworks Inc(ZYME)COM98985Y108$91.2M10,087,4732.9%
Springworks Therapeutics IncCOM85205L107$89.1M3,460,2082.9%
Kura Oncology Inc(KURA)COM50127T109$81.2M6,638,3712.6%
Relay Therapeutics Inc(RLAY)COM75943R102$68.6M4,163,8242.2%
Janux Therapeutics Inc(JANX)COM47103J105$46.4M3,838,4861.5%
Voyager Therapeutics Inc(VYGR)COM92915B106$29.7M3,851,5071.0%
Dyne Therapeutics Inc(DYN)COM26818M108$26.8M2,322,3840.9%
NGM Biopharmaceuticals Inc(NGMUSD)COM62921N105$26.3M6,435,5180.8%
Alector Inc(ALEC)COM014442107$25.1M4,056,5480.8%
Kymera Therapeutics Inc(KYMR)COM501575104$23.6M796,0930.8%
Edgewise Therapeutics Inc(EWTX)COM28036F105$23.3M3,493,1940.8%
Nuvation BIO Inc(NUVB)COM CL A67080N101$23.1M13,896,5430.7%
Allogene Therapeutics Inc(ALLO)COM019770106$22.2M4,488,2000.7%
Centessa Pharmaceuticals PLC(CNTA)SPONSORED ADS152309100$21.6M5,618,7790.7%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$21.4M1,330,2630.7%
Graphite BIO Inc(GRPH)COM38870X104$20.9M8,538,4460.7%
Atea Pharmaceuticals Inc(AVIR)COM04683R106$20.7M6,184,8610.7%
Adicet BIO Inc(TORCEUR)COM007002108$20.5M3,560,7000.7%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$19.5M3,418,0680.6%
Tango Therapeutics Inc(TNGX)COM87583X109$16.6M4,201,4140.5%
Ovid Therapeutics Inc(OVID)COM690469101$15.8M6,117,4000.5%
Chinook Therapeutics Inc(290A)COM16961L106$10.3M445,5500.3%
Generation BIO Co(GBIOGBX)COM37148K100$8.4M1,956,5790.3%
Poseida Therapeutics Inc(PSTXUSD)COM73730P108$8.2M2,650,0000.3%
Third Harmonic BIO Inc(THRD)COM88427A107$7.4M1,802,1220.2%
Prime Medicine Inc(PRME)COM74168J101$7.4M600,0000.2%
Proqr Thrapeutics N VSHS EURON71542109$6.2M2,902,7150.2%
Beam Therapeutics Inc(BEAM)COM07373V105$6.1M198,5910.2%
Arcutis Biotherapeutics Inc(ARQT)COM03969K108$4.6M415,3220.1%
Macrogenics Inc(MGNX)COM556099109$4.4M619,1920.1%
Aligos Therapeutics IncCOM01626L105$3.5M3,948,3600.1%
Cullinan Oncology Inc(CGEM)COM230031106$2.5M246,4100.1%
Tempest Therapeutics Inc(OVASUSD)COM87978U108$2.4M1,031,2680.1%
Black Diamond Therapeutics I(BDTX)COM09203E105$2.3M1,191,0940.1%
Surface Oncology IncCOM86877M209$2.2M3,082,9590.1%
Erasca Inc(ERAS)COM29479A108$2.0M678,4410.1%
Eucrates Biomedical Acqu CORSHSG3141W106$2.0M200,0000.1%
Hookipa Pharma IncCOM43906K100$1.8M2,473,4890.1%
Nuvation BIO Inc(NUVB/WS)*W EXP 07/07/20267080N119$1.6M963,3330.1%
Gracell Biotechnologies IncSPONSORED ADS38406L103$1.5M798,9480.0%
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