0001140361-15-020512.txt : 20150518 0001140361-15-020512.hdr.sgml : 20150518 20150515182759 ACCESSION NUMBER: 0001140361-15-020512 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150331 FILED AS OF DATE: 20150518 DATE AS OF CHANGE: 20150515 EFFECTIVENESS DATE: 20150518 FILER: COMPANY DATA: COMPANY CONFORMED NAME: EcoR1 Capital, LLC CENTRAL INDEX KEY: 0001587114 IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-16764 FILM NUMBER: 15871325 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/A 1 primary_doc.xml 13F-HR/A LIVE false true false 0001587114 XXXXXXXX 03-31-2015 03-31-2015 true 1 RESTATEMENT EcoR1 Capital, LLC

409 ILLINOIS STREET SAN FRANCISCO CA 94158

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