Dark
Light
System
Institutional Investment Manager
Atika Capital Management LLC
Atika Capital Management LLC (CIK: 0001599731) incorporated in Delaware, located at 475 Tenth Avenue, 14th Floor, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q2)
Original 13F HR (0001172661-16-003859) filed in 2016.08.15
#
Name
Shares
Value ($)
%
Options
Notes
101 SKECHERS U S A INC 11,999 357 0.15%
102 TESARO INCORPORATED 3,937 331 0.14%
103 ACCELERON PHARMA INC 8,999 306 0.13%
104 ALNYLAM PHARMACEUTICALS INC 5,249 291 0.12%
105 UNITED THERAPEUTICS CORP DEL 18,400 1,949 0.83% Call
106 RAPTOR PHARMACEUTICAL CORP 276,100 1,482 0.63% Call
107 LILLY ELI & CO 15,000 1,181 0.51% Call
108 UNITED THERAPEUTICS CORP DEL 11,100 1,176 0.50% Call
109 RAPTOR PHARMACEUTICAL CORP 169,900 911 0.39% Call
110 WR GRACE & CO 11,100 813 0.35% Call
111 LILLY ELI & CO 9,000 709 0.30% Call
112 WALGREENS BOOTS ALLIANCE INC 7,300 608 0.26% Call
113 WR GRACE & CO 6,900 505 0.22% Call
114 WALGREENS BOOTS ALLIANCE INC 4,600 383 0.16% Call
115 ACADIA PHARMACEUTICALS INC COM 6,900 224 0.10% Call
116 ACADIA PHARMACEUTICALS INC COM 3,400 110 0.05% Call
117 SPDR S&P 500 ETF TR 112,500 23,566 10.10% Put
118 SPDR S&P 500 ETF TR 67,500 14,140 6.06% Put
119 ALEXION PHARMACEUTIC 2,500 292 0.13% Put
120 ALEXION PHARMACEUTIC 1,500 175 0.07% Put
Page 3 of 3