0001172661-18-001220.txt : 20180515 0001172661-18-001220.hdr.sgml : 20180515 20180515160319 ACCESSION NUMBER: 0001172661-18-001220 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180331 FILED AS OF DATE: 20180515 DATE AS OF CHANGE: 20180515 EFFECTIVENESS DATE: 20180515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Atika Capital Management LLC CENTRAL INDEX KEY: 0001599731 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-15941 FILM NUMBER: 18836254 BUSINESS ADDRESS: STREET 1: 475 TENTH AVENUE, 12TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10018 BUSINESS PHONE: 212-408-2700 MAIL ADDRESS: STREET 1: 475 TENTH AVENUE, 12TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10018 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001599731 XXXXXXXX 03-31-2018 03-31-2018 false Atika Capital Management LLC

475 Tenth Avenue, 12th Floor New York NY 10018

13F HOLDINGS REPORT 028-15941 N Brad Farber 212-408-2772 /s/ Brad Farber New York NY 05-15-2018 1 140 291907 1 0001568986 028-16711 Atika Capital Partners LP INFORMATION TABLE 2 infotable.xml 2U INC COM 90214J101 1790 21306 SH SOLE 21306 0 0 2U INC COM 90214J101 4008 47694 SH DFND 1 47694 0 0 ABBVIE INC COM 00287Y109 1630 17218 SH DFND 1 17218 0 0 ABBVIE INC COM 00287Y109 737 7782 SH SOLE 7782 0 0 ACTIVISION BLIZZARD INC COM 00507V109 1487 22038 SH DFND 1 22038 0 0 ACTIVISION BLIZZARD INC COM 00507V109 672 9962 SH SOLE 9962 0 0 ADOBE SYS INC COM 00724F101 336 1556 SH SOLE 1556 0 0 ADOBE SYS INC COM 00724F101 744 3444 SH DFND 1 3444 0 0 ADVANSIX INC COM 00773T101 3026 86998 SH DFND 1 86998 0 0 ADVANSIX INC COM 00773T101 1367 39293 SH SOLE 39293 0 0 ADVERUM BIOTECHNOLOGIES INC COM 00773U108 779 134332 SH DFND 1 134332 0 0 ADVERUM BIOTECHNOLOGIES INC COM 00773U108 352 60668 SH SOLE 60668 0 0 AIMMUNE THERAPEUTICS INC COM 00900T107 2149 67503 SH DFND 1 67503 0 0 AIMMUNE THERAPEUTICS INC COM 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