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 (2014Q1)
Original 13F HR (0000919574-14-003229) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
1 3-D SYS CORP DEL 11,000 651 0.55% Put
2 ACADIA PHARMACEUTICALS INC COM 179,700 4,372 3.72%
3 ACADIA PHARMACEUTICALS INC COM 3,200 78 0.07% Call
4 AGIOS PHARMACEUTICALS INC 26,250 1,028 0.88%
5 Albany Molecular 74,500 1,385 1.18%
6 Allergan plc 14,000 1,737 1.48%
7 Anacor Pharmaceuticals Inc 92,900 1,859 1.58%
8 Arrowhead Pharma Inc 16,000 263 0.22%
9 BIOGEN INC 8,500 2,600 2.21%
10 BOB EVANS FARMS INC COM 29,925 1,497 1.27%
11 BRISTOL MYERS SQUIBB CO 20,000 1,039 0.88% Call
12 CAESARSTONE LTD 41,500 2,257 1.92%
13 CARDIOME PHARMA CORP 40,000 316 0.27%
14 COGNIZANT TECHNOLOGY SOLUTIO 30,900 1,564 1.33%
15 EAGLE MATERIALS INC 52,000 4,610 3.92%
16 EHEALTH INC COM 122,500 6,223 5.30%
17 ENDO INTL PLC 34,480 2,367 2.01%
18 ENVISION HEALTHCARE HLDGS INC 46,000 1,556 1.32%
19 FACEBOOK INC 49,100 2,958 2.52%
20 FIREEYE INC 27,501 1,693 1.44%
21 FOREST LABS INC COM 13,500 1,246 1.06%
22 GOGO INC 72,000 1,479 1.26%
23 HOMEAWAY INC 50,000 1,884 1.60%
24 HOWARD HUGHES CORP 6,200 885 0.75%
25 ILLUMINA INC 17,500 2,602 2.21%
26 INCYTE CORP 67,500 3,613 3.08%
27 INSYS THERAPEUTICS INC NEW COM NEW 49,812 2,064 1.76%
28 INTERCEPT PHARMACEUTICALS INCORPORATED 13,580 4,479 3.81%
29 INTERMUNE INC 8,500 284 0.24% Call
30 INTERMUNE INC 45,000 1,506 1.28%
31 IPC THE HOSPITALIST CO 12,000 589 0.50% Put
32 ISHARES NASDAQ BIOTECHNOLOGY ETF 4,850 5,405 4.60%
33 ISHARES TR 13,700 1,594 1.36% Put
34 ISHARES TR 26,100 6,170 5.25% Put
35 LANNET INC COM NEW 46,500 1,661 1.41%
36 LAS VEGAS SANDS CORP 24,500 1,979 1.68%
37 MARTIN MARIETTA MATLS INC 15,000 1,925 1.64%
38 MASONITE INTL CORP NEW COM 82,975 4,690 3.99%
39 NETFLIX INC 3,000 1,056 0.90%
40 OPHTHOTECH CORP 5,100 182 0.15% Call
41 Odyssey Marine Exploration Inc 175,475 402 0.34%
42 Omnicare Inc (Acquired 8/18/2015) 37,000 2,208 1.88%
43 PACIRA PHARMACEUTICALS INC 35,000 2,450 2.09%
44 PROTHENA CORP PLC 57,500 2,203 1.88%
45 PUMA BIOTECHNOLOGY 11,350 1,182 1.01%
46 RAPTOR PHARMACEUTICAL CORP 35,000 350 0.30% Call
47 REACHLOCAL INC 21,400 211 0.18% Put
48 RELYPSA INC 27,500 820 0.70%
49 SOLARCITY CORP 41,000 2,567 2.19%
50 SPLUNK INC 37,770 2,700 2.30%
Page 1 of 2