0001172661-17-001567.txt : 20170814 0001172661-17-001567.hdr.sgml : 20170814 20170814062042 ACCESSION NUMBER: 0001172661-17-001567 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170630 FILED AS OF DATE: 20170814 DATE AS OF CHANGE: 20170814 EFFECTIVENESS DATE: 20170814 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: 171026747 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 06-30-2017 06-30-2017 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 08-14-2017 1 152 285449 1 0001568986 028-16711 Atika Capital Partners LP INFORMATION TABLE 2 infotable.xml 2U INC COM 90214J101 2889 61568 SH DFND 1 61568 0 0 2U INC COM 90214J101 1315 28032 SH SOLE 28032 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 1411 28568 SH SOLE 28568 0 0 ACADIA HEALTHCARE COMPANY IN COM 00404A109 3083 62432 SH DFND 1 62432 0 0 ACTIVISION BLIZZARD INC COM 00507V109 1374 23860 SH SOLE 23860 0 0 ACTIVISION BLIZZARD INC COM 00507V109 3002 52140 SH DFND 1 52140 0 0 AERIE PHARMACEUTICALS INC COM 00771V108 1073 20410 SH SOLE 20410 0 0 AERIE PHARMACEUTICALS INC COM 00771V108 2343 44590 SH DFND 1 44590 0 0 ALIGN TECHNOLOGY INC COM 016255101 3440 22918 SH SOLE 22918 0 0 ALIGN TECHNOLOGY INC COM 016255101 7518 50082 SH DFND 1 50082 0 0 ALKERMES PLC SHS G01767105 835 14406 SH DFND 1 14406 0 0 ALKERMES PLC SHS G01767105 382 6594 SH SOLE 6594 0 0 AMAZON COM INC COM 023135106 1520 1570 SH 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