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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)
Portfolio Summary: 60 holdings with a total value of $233,442,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 NEVRO CORP COM 84,500 6,232,000 2.67%
52 AMAZON COM INC 9,000 6,440,000 2.76%
53 ADEPTUS HEALTH INC 125,000 6,457,000 2.77%
54 HORIZON PHARMA PLC 433,000 7,132,000 3.06%
55 RAPTOR PHARMACEUTICAL CORP 1,358,000 7,292,000 3.12%
56 MASONITE INTL CORP NEW COM 115,650 7,649,000 3.28%
57 WR GRACE & CO 113,000 8,273,000 3.54%
58 MARTIN MARIETTA MATLS INC 49,000 9,408,000 4.03%
59 SIX FLAGS ENTMT CORP NEW 166,000 9,619,000 4.12%
60 SPDR S&P 500 ETF TR 180,000 37,706,000 16.15% Put
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-16-003859, filed 2016.08.15).

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.