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 (2017Q1)
Portfolio Summary: 62 holdings with a total value of $204,276,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 HERON THERAPEUTICS INC COM 95,000 1,425,000 0.70%
52 PACIRA PHARMACEUTICALS INC 31,000 1,414,000 0.69%
53 ROYAL GOLD INC 19,000 1,331,000 0.65%
54 ALKERMES PLC 22,000 1,287,000 0.63%
55 TESARO INCORPORATED 6,700 1,030,000 0.50% Call
56 BLUEPRINT MEDICINES CORP COM 24,000 960,000 0.47%
57 TRIPADVISOR INC 20,000 863,000 0.42% Call
58 ZOGENIX INC 67,000 727,000 0.36%
59 SAGE THERAPEUTICS INC 9,000 639,000 0.31%
60 IMPAX LABORATORIES INC 39,500 499,000 0.24%
61 BIOMARIN PHARMACEUTICAL INC 5,100 447,000 0.22% Call
62 Axovant Sciences LTD 22,000 329,000 0.16%
Page 2 of 2

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-17-001210, filed 2017.05.15).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.