Managing Member

0001019056-15-000506.txt : 20150515 0001019056-15-000506.hdr.sgml : 20150515 20150515163145 ACCESSION NUMBER: 0001019056-15-000506 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150331 FILED AS OF DATE: 20150515 DATE AS OF CHANGE: 20150515 EFFECTIVENESS DATE: 20150515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: PERCEPTIVE ADVISORS LLC CENTRAL INDEX KEY: 0001224962 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-10438 FILM NUMBER: 15870060 BUSINESS ADDRESS: STREET 1: 499 PARK AVENUE, 25TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 646-205-5340 MAIL ADDRESS: STREET 1: 499 PARK AVENUE, 25TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001224962 XXXXXXXX 03-31-2015 03-31-2015 false PERCEPTIVE ADVISORS LLC

499 Park Avenue, 25th Floor New York NY 10022

13F HOLDINGS REPORT 028-10438 N Joseph Edelman Managing Member 646-205-5342 /s/ Joseph Edelman New York NY 05-15-2015 0 160 1290797 INFORMATION TABLE 2 infotable.xml ANI PHARMACEUTICALS INC COM 00182C103 19252 307784 SH SOLE 0 0 0 ANI PHARMACEUTICALS INC NOTE 3.000%12/0 00182CAA1 8621 7500000 PRN SOLE 0 0 0 ABIOMED INC COM 003654100 716 10000 SH SOLE 0 0 0 ACADIA PHARMACEUTICALS INC COM 004225108 19562 600240 SH SOLE 0 0 0 ACASTI PHARMA INC CL A SHS 00430K105 1134 2365600 SH SOLE 0 0 0 ACCELERON PHARMA INC COM 00434H108 12790 336036 SH SOLE 0 0 0 ACHAOGEN INC COM 004449104 586 60000 SH SOLE 0 0 0 ACELRX PHARMACEUTICALS INC COM 00444T100 25376 6574060 SH SOLE 0 0 0 AEGERION PHARMACEUTICALS INC COM 00767E102 9973 381100 SH SOLE 0 0 0 AETNA INC NEW COM 00817Y108 275 2586 SH SOLE 0 0 0 AGENUS INC COM NEW 00847G705 929 181117 SH SOLE 0 0 0 ALDER BIOPHARMACEUTICALS INC COM 014339105 4329 150000 SH SOLE 0 0 0 ALDEYRA THERAPEUTICS COM 01438T106 3634 357000 SH SOLE 0 0 0 ALIMERA SCIENCES INC 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