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EcoR1 Capital, LLC

Q2 2023 Holdings

Filed 2023-08-14 | 53 holdings | $4.1B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Prothena Corp PLC(PRTA)SHSG72800108$791.0M11,584,28019.4%
Apellis Pharmaceuticals Inc(APLS)COM03753U106$496.6M5,451,64712.2%
Sarepta Therapeutics Inc(SRPT)COM803607100$419.2M3,660,79810.3%
Johnson & Johnson(JNJ)CallCOM478160104$281.4M1,700,0006.9%
Galapagos NV(GLPG)SPON ADR36315X101$234.0M5,756,2685.7%
Morphic Hldg IncCOM61775R105$220.5M3,846,9645.4%
Revolution Medicines Inc(RVMD)COM76155X100$192.6M7,198,7004.7%
Anaptysbio Inc(ANAB)COM032724106$153.0M7,521,0243.7%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$143.5M5,991,4793.5%
Xencor Inc(XNCR)COM98401F105$131.9M5,282,5163.2%
Zymeworks Inc(ZYME)COM98985Y108$116.1M13,437,4732.8%
Blueprint Medicines Corp(2L9)COM09627Y109$113.7M1,798,3002.8%
Arvinas Inc(ARVN)COM04335A105$99.7M4,017,7882.4%
Springworks Therapeutics IncCOM85205L107$90.7M3,460,2082.2%
Kura Oncology Inc(KURA)COM50127T109$61.4M5,806,8711.5%
Relay Therapeutics Inc(RLAY)COM75943R102$52.3M4,163,8241.3%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$45.7M368,4111.1%
Voyager Therapeutics Inc(VYGR)COM92915B106$44.1M3,851,5071.1%
Centessa Pharmaceuticals PLC(CNTA)SPONSORED ADS152309100$34.8M5,618,7790.9%
Edgewise Therapeutics Inc(EWTX)COM28036F105$27.1M3,493,1940.7%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$26.5M3,418,0680.6%
Atea Pharmaceuticals Inc(AVIR)COM04683R106$26.2M6,995,8610.6%
Nuvation BIO Inc(NUVB)COM CL A67080N101$25.0M13,896,5430.6%
Alector Inc(ALEC)COM014442107$24.4M4,056,5480.6%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$24.0M1,330,2630.6%
Allogene Therapeutics Inc(ALLO)COM019770106$22.3M4,488,2000.5%
Graphite BIO Inc(GRPH)COM38870X104$22.2M8,538,4460.5%
Ovid Therapeutics Inc(OVID)COM690469101$20.1M6,117,4000.5%
NGM Biopharmaceuticals Inc(NGMUSD)COM62921N105$16.7M6,435,5180.4%
Tango Therapeutics Inc(TNGX)COM87583X109$13.4M4,047,1140.3%
Tscan Therapeutics Inc(TCRX)COM89854M101$12.5M5,000,0000.3%
Generation BIO Co(GBIOGBX)COM37148K100$11.3M2,046,8670.3%
Third Harmonic BIO Inc(THRD)COM88427A107$10.0M2,088,7800.2%
Phathom Pharmaceuticals Inc(PHAT)COM71722W107$10.0M700,0000.2%
Dyne Therapeutics Inc(DYN)COM26818M108$9.0M798,7010.2%
Prime Medicine Inc(PRME)COM74168J101$8.8M600,0000.2%
Zentalis Pharmaceuticals Inc(ZNTL)COM98943L107$8.5M300,0000.2%
Janux Therapeutics Inc(JANX)COM47103J105$5.4M452,5900.1%
Kura Oncology Inc(KURA)CallCOM50127T109$5.3M500,0000.1%
Prelude Therapeutics Inc(PRLD)COM74065P101$5.2M1,157,4520.1%
Proqr Thrapeutics N VSHS EURON71542109$4.8M2,980,0160.1%
Hookipa Pharma IncCOM43906K100$4.0M4,595,0240.1%
Aligos Therapeutics IncCOM01626L105$3.8M3,948,3600.1%
Allakos Inc(ALLKGUSD)COM01671P100$3.3M748,9000.1%
Aeglea Biotherapeutics Inc(AGLEUSD)COM00773J103$2.3M5,000,0000.1%
Nuvation BIO Inc(NUVB/WS)*W EXP 07/07/20267080N119$1.7M963,3330.0%
Tempest Therapeutics Inc(OVASUSD)COM87978U108$1.4M1,123,4340.0%
4D Molecular Therapeutics in(FDMT)COM35104E100$1.2M66,9780.0%
Poseida Therapeutics Inc(PSTXUSD)COM73730P108$1.2M676,2960.0%
Newamsterdam Pharma Company*W EXP 11/22/202N62509117$792.6K66,6650.0%
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