0000935836-18-000356.txt : 20180621 0000935836-18-000356.hdr.sgml : 20180621 20180621131744 ACCESSION NUMBER: 0000935836-18-000356 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(7) FILED AS OF DATE: 20180621 DATE AS OF CHANGE: 20180621 EFFECTIVENESS DATE: 20180621 FILER: COMPANY DATA: COMPANY CONFORMED NAME: EcoR1 Capital Offshore Fund, Ltd. CENTRAL INDEX KEY: 0001710180 IRS NUMBER: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-289340 FILM NUMBER: 18911542 BUSINESS ADDRESS: STREET 1: STONE COAST FUND SRVS LTD., C/O WALKERS STREET 2: CAYMAN CORP CENTRE, 27 HOSPITAL RD CITY: GEORGE TOWN, GRAND CAYMAN STATE: E9 ZIP: KY1-9008 BUSINESS PHONE: 345-769-2680 MAIL ADDRESS: STREET 1: STONE COAST FUND SRVS LTD., C/O WALKERS STREET 2: CAYMAN CORP CENTRE, 27 HOSPITAL RD CITY: GEORGE TOWN, GRAND CAYMAN STATE: E9 ZIP: KY1-9008 D/A 1 primary_doc.xml X0708 D/A LIVE 0001710180 EcoR1 Capital Offshore Fund, Ltd. STONE COAST FUND SRVS LTD., C/O WALKERS CAYMAN CORP CENTRE, 27 HOSPITAL RD GEORGE TOWN, GRAND CAYMAN E9 CAYMAN ISLANDS KY1-9008 345-769-2680 CAYMAN ISLANDS None None Other Cayman Islands Exempted Company true 2016 Brian Burkholder c/o HF Fund Services Ltd., 45 Market Str Gardenia Court, Camana Bay George Town, Grand Cayman E9 CAYMAN ISLANDS KY1-1104 Director Cary Marr c/o IMS Fund Services Harbour Centre Grand Cayman E9 CAYMAN ISLANDS KY1-1102 Director Pooled Investment Fund Hedge Fund false Decline to Disclose 06b 3C 3C.7 true 0000935836-17-000322 2017-06-01 true true true Redeemable Shares false 2000000 Indefinite 42550000 Indefinite false 12 0 true 0 true 0 true None, although the investment adviser of the issuer receives investment management fees and performance fees. false EcoR1 Capital Offshore Fund, Ltd. Brian Burkholder Brian Burkholder Director 2018-06-21