0000935836-24-000391.txt : 20240515 0000935836-24-000391.hdr.sgml : 20240515 20240515114512 ACCESSION NUMBER: 0000935836-24-000391 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20240331 FILED AS OF DATE: 20240515 DATE AS OF CHANGE: 20240515 EFFECTIVENESS DATE: 20240515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: EcoR1 Capital, LLC CENTRAL INDEX KEY: 0001587114 ORGANIZATION NAME: IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-16764 FILM NUMBER: 24948440 BUSINESS ADDRESS: STREET 1: 357 TEHAMA STREET #3 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 BUSINESS PHONE: 415-448-6534 MAIL ADDRESS: STREET 1: 357 TEHAMA STREET #3 CITY: SAN FRANCISCO STATE: CA ZIP: 94103 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false false false 0001587114 XXXXXXXX 03-31-2024 03-31-2024 false EcoR1 Capital, LLC

357 Tehama Street #3 San Francisco CA 94103

13F HOLDINGS REPORT 028-16764 000167121 801-100470 N Oleg Nodelman 415-448-6534 Oleg Nodelman San Francisco CA 05-13-2024 0 59 3953710314 INFORMATION TABLE 2 infotable.xml ACADIA PHARMACEUTICALS INC COM 004225108 110782447 5991479 SH SOLE 5991479 0 0 ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 43298431 27404070 SH SOLE 27404070 0 0 ALECTOR INC COM 014442107 24420419 4056548 SH SOLE 4056548 0 0 ALIGOS THERAPEUTICS INC COM 01626L105 6261679 6389468 SH SOLE 6389468 0 0 ALLOVIR INC COM 019818103 8526282 11294585 SH SOLE 11294585 0 0 ALPINE IMMUNE SCIENCES INC COM 02083G100 39640 1000 SH SOLE 1000 0 0 ANAPTYSBIO INC COM 032724106 169373460 7521024 SH SOLE 7521024 0 0 APELLIS PHARMACEUTICALS INC COM 03753U106 667589442 11357425 SH SOLE 11357425 0 0 ARCUTIS BIOTHERAPEUTICS INC COM 03969K108 4955000 500000 SH SOLE 500000 0 0 ARVINAS INC COM 04335A105 277669548 6726491 SH SOLE 6726491 0 0 ATARA BIOTHERAPEUTICS INC COM 046513107 7055928 10167043 SH SOLE 10167043 0 0 ATEA PHARMACEUTICALS INC COM 04683R106 24829278 6145861 SH SOLE 6145861 0 0 AVIDITY BIOSCIENCES INC COM 05370A108 19333340 757576 SH SOLE 757576 0 0 CAREMAX INC *W EXP 06/08/202 14171W111 482000 100000 SH SOLE 100000 0 0 CELLDEX THERAPEUTICS INC COM NEW 15117B202 27280500 650000 SH SOLE 650000 0 0 CENTESSA PHARMACEUTICALS PLC SPONSORED ADS 152309100 63492203 5618779 SH SOLE 5618779 0 0 CRINETICS PHARMACEUTICALS IN COM 22663K107 194513104 4155375 SH SOLE 4155375 0 0 CRISPR THERAPEUTICS AG NAMEN AKT H17182108 94693052 1389276 SH SOLE 1389276 0 0 DYNE THERAPEUTICS INC COM 26818M108 12123637 427039 SH SOLE 427039 0 0 EDGEWISE THERAPEUTICS INC COM 28036F105 22807022 1250385 SH SOLE 1250385 0 0 GALAPAGOS NV SPON ADR 36315X101 185351830 5756268 SH SOLE 5756268 0 0 GENERATION BIO CO COM 37148K100 8330749 2046867 SH SOLE 2046867 0 0 GOSSAMER BIO INC COM 38341P102 10850577 9195404 SH SOLE 9195404 0 0 HOOKIPA PHARMA INC COM 43906K100 3271657 4595024 SH SOLE 4595024 0 0 IMMUNOME INC COM 45257U108 95743962 3879415 SH SOLE 3879415 0 0 ITEOS THERAPEUTICS INC COM 46565G104 27269756 1999249 SH SOLE 1999249 0 0 JAZZ PHARMACEUTICALS PLC SHS USD G50871105 122100100 1013952 SH SOLE 1013952 0 0 KEROS THERAPEUTICS INC COM 492327101 12412500 187500 SH SOLE 187500 0 0 KODIAK SCIENCES INC COM 50015M109 8487536 1613600 SH SOLE 1613600 0 0 KODIAK SCIENCES INC COM 50015M109 268786 51100 SH Call SOLE 51100 0 0 KURA ONCOLOGY INC COM 50127T109 123860558 5806871 SH SOLE 5806871 0 0 KURA ONCOLOGY INC COM 50127T109 14931000 700000 SH Call SOLE 700000 0 0 KYVERNA THERAPEUTICS INC COM ADDED 501976104 11178000 450000 SH SOLE 450000 0 0 LENZ THERAPEUTICS INC COM ADDED 52635N103 27237553 1219774 SH SOLE 1219774 0 0 MADRIGAL PHARMACEUTICALS INC COM 558868105 20028000 75000 SH SOLE 75000 0 0 MERSANA THERAPEUTICS INC COM 59045L106 86753802 19364688 SH SOLE 19364688 0 0 MORPHIC HLDG INC COM 61775R105 83930317 2384384 SH SOLE 2384384 0 0 NEUMORA THERAPEUTICS INC. COM 640979100 28482438 2071450 SH SOLE 2071450 0 0 NEUROGENE INC COM 64135M105 64711308 1271342 SH SOLE 1271342 0 0 NKARTA INC COM 65487U108 21620000 2000000 SH SOLE 2000000 0 0 NUVATION BIO INC *W EXP 07/07/202 67080N119 3506532 963333 SH SOLE 963333 0 0 NUVATION BIO INC COM CL A 67080N101 69923101 19209643 SH SOLE 19209643 0 0 ORIC PHARMACEUTICALS INC COM 68622P109 46998435 3418068 SH SOLE 3418068 0 0 OVID THERAPEUTICS INC COM 690469101 18658070 6117400 SH SOLE 6117400 0 0 PHARVARIS N V COM N69605108 20799000 900000 SH SOLE 900000 0 0 PMV PHARMACEUTICALS INC COM 69353Y103 963694 566879 SH SOLE 566879 0 0 PRIME MEDICINE INC COM 74168J101 4900000 700000 SH SOLE 700000 0 0 PROQR THRAPEUTICS N V SHS EURO N71542109 6604889 2884357 SH SOLE 2884357 0 0 PROTHENA CORP PLC SHS G72800108 286942616 11584280 SH SOLE 11584280 0 0 SAREPTA THERAPEUTICS INC COM 803607100 248541839 1919835 SH SOLE 1919835 0 0 SURROZEN INC *W EXP 08/01/203 86889P117 1047307 66665 SH SOLE 66665 0 0 TANGO THERAPEUTICS INC COM 87583X109 105846044 13330736 SH SOLE 13330736 0 0 THIRD HARMONIC BIO INC COM 88427A107 30042271 3182444 SH SOLE 3182444 0 0 TSCAN THERAPEUTICS INC COM 89854M101 39700000 5000000 SH SOLE 5000000 0 0 VAXCYTE INC COM 92243G108 20493000 300000 SH SOLE 300000 0 0 VERVE THERAPEUTICS INC COM 92539P101 16600000 1250000 SH SOLE 1250000 0 0 VOYAGER THERAPEUTICS INC COM 92915B106 36472353 3917546 SH SOLE 3917546 0 0 XENCOR INC COM 98401F105 117962106 5330416 SH SOLE 5330416 0 0 ZYMEWORKS INC COM 98985Y108 141362216 13437473 SH SOLE 13437473 0 0