0001140361-16-086430.txt : 20161114 0001140361-16-086430.hdr.sgml : 20161111 20161114163417 ACCESSION NUMBER: 0001140361-16-086430 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20160930 FILED AS OF DATE: 20161114 DATE AS OF CHANGE: 20161114 EFFECTIVENESS DATE: 20161114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: EcoR1 Capital, LLC CENTRAL INDEX KEY: 0001587114 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: 161995277 BUSINESS ADDRESS: STREET 1: 409 ILLINOIS STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94158 BUSINESS PHONE: 415-448-6534 MAIL ADDRESS: STREET 1: 409 ILLINOIS STREET CITY: SAN FRANCISCO STATE: CA ZIP: 94158 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001587114 XXXXXXXX 09-30-2016 09-30-2016 EcoR1 Capital, LLC
409 ILLINOIS STREET SAN FRANCISCO CA 94158
13F HOLDINGS REPORT 028-16764 N
Sarah Marriott GC/CCO 415-754-3517 Sarah Marriott San Francisco CA 11-11-2016 0 31 325892 false
INFORMATION TABLE 2 form13fInfoTable.xml ALLERGAN PLC COM G0177J908 11516 50000 SH Call SOLE 50000 0 0 BRISTOL MYERS SQUIBB CO COM 110122908 26960 500000 SH Call SOLE 500000 0 0 CASCADIAN THERAPEUTICS INC COM 14740B901 170 103800 SH Call SOLE 103800 0 0 EXACT SCIENCES CORP COM 30063P955 9285 500000 SH Put SOLE 500000 0 0 GILEAD SCIENCES INC COM 375558903 11868 150000 SH Call SOLE 150000 0 0 IRONWOOD PHARMACEUTICALS INC COM 46333X908 4470 281500 SH Call SOLE 281500 0 0 ASCENDIS PHARMA A S SPONSORED ADR 04351P101 4406 219200 SH SOLE 219200 0 0 BEIGENE LTD SPONSORED ADR 07725L102 5037 163470 SH SOLE 163470 0 0 GALAPAGOS NV SPONSORED ADR 36315X101 32367 500576 SH SOLE 500576 0 0 NABRIVA THERAPEUTICS AG SPONSORED ADR 62957M104 3870 548912 SH SOLE 548912 0 0 ADVERUM BIOTECHNOLOGIES INC COM 00773U108 3889 946263 SH SOLE 946263 0 0 AGIOS PHARMACEUTICALS INC COM 00847X104 10564 200000 SH SOLE 200000 0 0 ACHAOGEN INC COM 004449104 8046 1679707 SH SOLE 1679707 0 0 ARDELYX INC COM 039697107 16952 1310023 SH SOLE 1310023 0 0 ASSEMBLY BIOSCIENCES INC COM 045396108 21220 2943164 SH SOLE 2943164 0 0 CHEMOCENTRYX INC COM 01683L106 1075 178000 SH SOLE 178000 0 0 CHIMERIX INC COM 16934W106 3313 598062 SH SOLE 598062 0 0 CYTOKINETICS INC COM 23282W605 7772 846654 SH SOLE 846654 0 0 DERMIRA INC COM 24983L104 17654 522000 SH SOLE 522000 0 0 FATE THERAPEUTICS INC COM 31189P102 1842 590527 SH SOLE 590527 0 0 FIBROGEN INC COM 31572Q808 14204 686184 SH SOLE 686184 0 0 FIVE PRIME THERAPEUTICS INC COM 33830X104 15044 286612 SH SOLE 286612 0 0 IRONWOOD PHARMACEUTICALS INC COM 46333X108 44628 2810315 SH SOLE 2810315 0 0 KINDRED BIOSCIENCES INC COM 494577109 7149 1432765 SH SOLE 1432765 0 0 KURA ONCOLOGY INC COM 50127T109 16324 2611906 SH SOLE 2611906 0 0 SPARK THERAPEUTICS INC COM 84652J103 4120 68600 SH SOLE 68600 0 0 SYNDAX PHARMACEUTICALS INC COM 87164F105 5418 357365 SH SOLE 357365 0 0 SYROS PHARMACEUTICALS INC COM 87184Q107 882 63596 SH SOLE 63596 0 0 ONCOMED PHARMACEUTICALS INC COM 68234X102 3038 265784 SH SOLE 265784 0 0 PROTEOSTASIS THERAPEUTICS INC COM 74373B109 9390 602315 SH SOLE 602315 0 0 INTELLIA THERAPEUTICS INC COM 45826J105 3419 200858 SH SOLE 200858 0 0