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EcoR1 Capital, LLC

Q4 2023 Holdings

Filed 2024-02-14 | 51 holdings | $3.9B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Apellis Pharmaceuticals Inc(APLS)COM03753U106$668.8M11,173,06817.4%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$434.6M7,396,97911.3%
Prothena Corp PLC(PRTA)SHSG72800108$421.0M11,584,28010.9%
Arvinas Inc(ARVN)COM04335A105$276.9M6,726,4917.2%
Galapagos NV(GLPG)SPON ADR36315X101$234.0M5,756,2686.1%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$187.6M5,991,4794.9%
Anaptysbio Inc(ANAB)COM032724106$161.1M7,521,0244.2%
Zymeworks Inc(ZYME)COM98985Y108$139.6M13,437,4733.6%
Tango Therapeutics Inc(TNGX)COM87583X109$132.0M13,330,7363.4%
Jazz Pharmaceuticals PLC(JAZZ)SHS USDG50871105$124.7M1,013,9523.2%
Argenx SE(ARGX)SPONSORED ADR04016X101$114.5M300,9973.0%
Xencor Inc(XNCR)COM98401F105$112.1M5,282,5162.9%
Kura Oncology Inc(KURA)COM50127T109$83.5M5,806,8712.2%
Sarepta Therapeutics Inc(SRPT)COM803607100$80.3M832,9072.1%
Crinetics Pharmaceuticals in(CRNX)COM22663K107$71.6M2,012,5171.9%
Mersana Therapeutics IncCOM59045L106$44.9M19,364,6881.2%
Centessa Pharmaceuticals PLC(CNTA)SPONSORED ADS152309100$44.7M5,618,7791.2%
Immunome Inc(IMNM)COM45257U108$41.5M3,879,4151.1%
Edgewise Therapeutics Inc(EWTX)COM28036F105$38.2M3,493,1941.0%
Neumora Therapeutics Inc.(NMRA)COM640979100$35.3M2,071,4500.9%
Third Harmonic BIO Inc(THRD)COM88427A107$34.9M3,182,4440.9%
Voyager Therapeutics Inc(VYGR)COM92915B106$32.5M3,851,5070.8%
Alector Inc(ALEC)COM014442107$32.4M4,056,5480.8%
Oric Pharmaceuticals Inc(ORIC)COM68622P109$31.4M3,418,0680.8%
Tscan Therapeutics Inc(TCRX)COM89854M101$29.2M5,000,0000.8%
Nuvation BIO Inc(NUVB)COM CL A67080N101$29.0M19,209,6430.8%
Pharvaris N V(PHVS)COMN69605108$25.2M900,0000.7%
Neurogene Inc(NGNE)COM ADDED64135M105$24.6M1,271,3420.6%
Graphite BIO Inc(GRPH)COM38870X104$22.4M8,538,4460.6%
Atea Pharmaceuticals Inc(AVIR)COM04683R106$21.3M6,995,8610.6%
Ovid Therapeutics Inc(OVID)COM690469101$19.7M6,117,4000.5%
Spyre Therapeutics Inc(SYRE)COM NEW00773J202$19.1M887,0760.5%
Verve Therapeutics IncCOM92539P101$17.4M1,250,0000.5%
Iteos Therapeutics Inc(5E7)COM46565G104$12.2M1,115,0220.3%
Gossamer BIO Inc(GOSS)COM38341P102$8.4M9,195,4040.2%
Morphic Hldg IncCOM61775R105$6.1M211,2620.2%
Proqr Thrapeutics N VSHS EURON71542109$5.9M2,980,0160.2%
Atara Biotherapeutics Inc(ATRAGBX)COM046513107$5.2M10,067,0430.1%
Aligos Therapeutics IncCOM01626L105$4.2M6,389,4680.1%
Revolution Medicines Inc(RVMD)COM76155X100$3.8M132,5790.1%
Hookipa Pharma IncCOM43906K100$3.7M4,595,0240.1%
Generation BIO Co(GBIOGBX)COM37148K100$3.4M2,046,8670.1%
NGM Biopharmaceuticals Inc(NGMUSD)COM62921N105$2.0M2,385,8730.1%
Allakos Inc(ALLKGUSD)COM01671P100$2.0M748,9000.1%
Tyra Biosciences Inc(TYRA)COM90240B106$1.9M137,0140.0%
Phathom Pharmaceuticals Inc(PHAT)COM71722W107$1.8M198,4800.0%
PMV Pharmaceuticals Inc(PMVP)COM69353Y103$1.8M566,8790.0%
Nuvation BIO Inc(NUVB/WS)*W EXP 07/07/20267080N119$1.5M963,3330.0%
Newamsterdam Pharma Company*W EXP 11/22/202N62509117$744.6K66,6650.0%
Surrozen Inc(SRZNW)*W EXP 08/01/20386889P117$626.7K66,6650.0%
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