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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 (2014Q1)
Original 13F HR (0000919574-14-003229) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
1 EHEALTH INC COM 122,500 6,223 5.30%
2 ISHARES TR 26,100 6,170 5.25% Put
3 ISHARES NASDAQ BIOTECHNOLOGY ETF 4,850 5,405 4.60%
4 MASONITE INTL CORP NEW COM 82,975 4,690 3.99%
5 EAGLE MATERIALS INC 52,000 4,610 3.92%
6 INTERCEPT PHARMACEUTICALS INCORPORATED 13,580 4,479 3.81%
7 ACADIA PHARMACEUTICALS INC COM 179,700 4,372 3.72%
8 INCYTE CORP 67,500 3,613 3.08%
9 TOWERS WATSON & CO 30,450 3,473 2.96%
10 FACEBOOK INC 49,100 2,958 2.52%
11 THERMO FISHER SCIENTIFIC INC 23,500 2,826 2.41%
12 SPLUNK INC 37,770 2,700 2.30%
13 ILLUMINA INC 17,500 2,602 2.21%
14 BIOGEN INC 8,500 2,600 2.21%
15 SOLARCITY CORP 41,000 2,567 2.19%
16 PACIRA PHARMACEUTICALS INC 35,000 2,450 2.09%
17 ENDO INTL PLC 34,480 2,367 2.01%
18 CAESARSTONE LTD 41,500 2,257 1.92%
19 Omnicare Inc (Acquired 8/18/2015) 37,000 2,208 1.88%
20 PROTHENA CORP PLC 57,500 2,203 1.88%
21 YELP INC 27,500 2,116 1.80%
22 INSYS THERAPEUTICS INC NEW COM NEW 49,812 2,064 1.76%
23 WAGEWORKS INC COM 35,700 2,003 1.70%
24 LAS VEGAS SANDS CORP 24,500 1,979 1.68%
25 MARTIN MARIETTA MATLS INC 15,000 1,925 1.64%
26 HOMEAWAY INC 50,000 1,884 1.60%
27 Anacor Pharmaceuticals Inc 92,900 1,859 1.58%
28 Allergan plc 14,000 1,737 1.48%
29 VERACYTE INC 101,200 1,734 1.48%
30 FIREEYE INC 27,501 1,693 1.44%
31 LANNET INC COM NEW 46,500 1,661 1.41%
32 ISHARES TR 13,700 1,594 1.36% Put
33 COGNIZANT TECHNOLOGY SOLUTIO 30,900 1,564 1.33%
34 ENVISION HEALTHCARE HLDGS INC 46,000 1,556 1.32%
35 INTERMUNE INC 45,000 1,506 1.28%
36 BOB EVANS FARMS INC COM 29,925 1,497 1.27%
37 GOGO INC 72,000 1,479 1.26%
38 TABLEAU SOFTWARE INC 19,000 1,446 1.23%
39 Albany Molecular 74,500 1,385 1.18%
40 FOREST LABS INC COM 13,500 1,246 1.06%
41 TIME WARNER INC 19,000 1,241 1.06%
42 PUMA BIOTECHNOLOGY 11,350 1,182 1.01%
43 NETFLIX INC 3,000 1,056 0.90%
44 BRISTOL MYERS SQUIBB CO 20,000 1,039 0.88% Call
45 AGIOS PHARMACEUTICALS INC 26,250 1,028 0.88%
46 HOWARD HUGHES CORP 6,200 885 0.75%
47 RELYPSA INC 27,500 820 0.70%
48 ZELTIQ AESTHETICS INC 40,000 784 0.67%
49 3-D SYS CORP DEL 11,000 651 0.55% Put
50 VANDA PHARMACEUTICALS INC COM 38,000 618 0.53%
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