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EcoR1 Capital, LLC

Q3 2023 Holdings

Filed 2023-11-14 | 51 holdings | $3.0B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Prothena Corp PLC(PRTA)SHSG72800108$558.9M11,584,28018.9%
Apellis Pharmaceuticals Inc(APLS)COM03753U106$414.6M10,899,85914.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$250.4M5,748,3998.4%
Galapagos NV(GLPG)SPON ADR36315X101$198.9M5,756,2686.7%
Revolution Medicines Inc(RVMD)COM76155X100$154.4M5,577,8635.2%
Anaptysbio Inc(ANAB)COM032724106$135.1M7,521,0244.6%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$124.9M5,991,4794.2%
Arvinas Inc(ARVN)COM04335A105$107.4M5,467,0633.6%
Xencor Inc(XNCR)COM98401F105$106.4M5,282,5163.6%
Tango Therapeutics Inc(TNGX)COM87583X109$98.2M8,721,6363.3%
Zymeworks Inc(ZYME)COM98985Y108$85.2M13,437,4732.9%
Springworks Therapeutics IncCOM85205L107$80.0M3,460,2082.7%
Kura Oncology Inc(KURA)COM50127T109$53.0M5,806,8711.8%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$47.7M368,4111.6%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$45.5M1,530,2631.5%
Centessa Pharmaceuticals PLC(CNTA)SPONSORED ADS152309100$36.4M5,618,7791.2%
Relay Therapeutics Inc(RLAY)COM75943R102$35.0M4,163,8241.2%
Morphic Hldg IncCOM61775R105$33.9M1,480,1901.1%
Voyager Therapeutics Inc(VYGR)COM92915B106$29.8M3,851,5071.0%
Neumora Therapeutics Inc.(NMRA)COM ADDED640979100$29.2M2,071,4501.0%
Apellis Pharmaceuticals Inc(APLS)CallCOM03753U106$27.9M732,5000.9%
Alector Inc(ALEC)COM014442107$26.3M4,056,5480.9%
Nuvation BIO Inc(NUVB)COM CL A67080N101$25.7M19,209,6430.9%
Mersana Therapeutics IncCOM59045L106$24.6M19,364,6880.8%
Ovid Therapeutics Inc(OVID)COM690469101$23.5M6,117,4000.8%
Graphite BIO Inc(GRPH)COM38870X104$21.2M8,538,4460.7%
Atea Pharmaceuticals Inc(AVIR)COM04683R106$21.0M6,995,8610.7%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$20.7M3,418,0680.7%
Edgewise Therapeutics Inc(EWTX)COM28036F105$20.0M3,493,1940.7%
Third Harmonic BIO Inc(THRD)COM88427A107$19.1M2,982,4440.6%
Acelyrin IncCOM00445A100$14.3M1,402,2010.5%
Allogene Therapeutics Inc(ALLO)COM019770106$14.2M4,488,2000.5%
Tscan Therapeutics Inc(TCRX)COM89854M101$12.8M5,000,0000.4%
Deciphera Pharmaceuticals in(DCPHEUR)COM24344T101$12.6M993,0000.4%
Generation BIO Co(GBIOGBX)COM37148K100$7.8M2,046,8670.3%
Gossamer BIO Inc(GOSS)COM38341P102$7.7M9,195,4040.3%
Phathom Pharmaceuticals Inc(PHAT)COM71722W107$7.3M700,0000.2%
NGM Biopharmaceuticals Inc(NGMUSD)COM62921N105$6.9M6,435,5180.2%
Prime Medicine Inc(PRME)COM74168J101$5.7M600,0000.2%
Proqr Thrapeutics N VSHS EURON71542109$3.9M2,980,0160.1%
Prelude Therapeutics Inc(PRLD)COM74065P101$3.6M1,157,4520.1%
Aligos Therapeutics IncCOM01626L105$2.9M3,948,3600.1%
Hookipa Pharma IncCOM43906K100$2.8M4,595,0240.1%
Aeglea Biotherapeutics Inc(SYRE)COM NEW ADDED00773J202$2.4M199,9960.1%
Allakos Inc(ALLKGUSD)COM01671P100$1.7M748,9000.1%
Nuvation BIO Inc(NUVB/WS)*W EXP 07/07/20267080N119$1.3M963,3330.0%
Revolution Medicines Inc(RVMD)CallCOM76155X100$866.4K31,3000.0%
Newamsterdam Pharma Company*W EXP 11/22/202N62509117$616.7K66,6650.0%
Tempest Therapeutics Inc(OVASUSD)COM87978U108$283.7K931,0000.0%
Caremax Inc*W EXP 06/08/20214171W111$212.0K100,0000.0%
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