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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)
Original 13F HR (0001172661-16-003859) filed in 2016.08.15
#
Name
Shares
Value ($)
%
Options
Notes
1 2U, Inc. 37,499 1,103 0.47%
2 2U, Inc. 22,501 662 0.28%
3 ACADIA PHARMACEUTICALS INC COM 3,400 110 0.05% Call
4 ACADIA PHARMACEUTICALS INC COM 6,900 224 0.10% Call
5 ACCELERON PHARMA INC 8,999 306 0.13%
6 ACCELERON PHARMA INC 15,001 510 0.22%
7 ADEPTUS HEALTH INC 78,129 4,036 1.73%
8 ADEPTUS HEALTH INC 46,871 2,421 1.04%
9 ADVANCED DRAIN SYS INC DEL 35,616 975 0.42%
10 ADVANCED DRAIN SYS INC DEL 59,384 1,625 0.70%
11 AETNA INC NEW 23,751 2,901 1.24%
12 AETNA INC NEW 14,249 1,740 0.75%
13 ALDER BIOPHARMACEUTICALS INC 45,559 1,138 0.49%
14 ALDER BIOPHARMACEUTICALS INC 75,941 1,896 0.81%
15 ALEXION PHARMACEUTIC 2,500 292 0.13% Put
16 ALEXION PHARMACEUTIC 1,500 175 0.07% Put
17 ALKERMES PLC 22,498 972 0.42%
18 ALKERMES PLC 37,502 1,621 0.69%
19 ALLERGAN PLC 9,374 2,166 0.93%
20 ALLERGAN PLC 15,626 3,611 1.55%
21 ALNYLAM PHARMACEUTICALS INC 5,249 291 0.12%
22 ALNYLAM PHARMACEUTICALS INC 8,751 486 0.21%
23 ALPHABET INC 1,087 752 0.32%
24 ALPHABET INC 1,813 1,255 0.54%
25 AMAZON COM INC 5,625 4,025 1.72%
26 AMAZON COM INC 3,375 2,415 1.03%
27 AUTODESK INC 13,438 728 0.31%
28 AUTODESK INC 8,062 436 0.19%
29 BMC STK HLDGS INC 108,052 1,925 0.82%
30 BMC STK HLDGS INC 64,948 1,157 0.50%
31 BOSTON SCIENTIFIC CORP 39,515 923 0.40%
32 BOSTON SCIENTIFIC CORP 24,485 572 0.25%
33 CONSTELLATION BRANDS INC 15,001 2,481 1.06%
34 CONSTELLATION BRANDS INC 8,999 1,488 0.64%
35 CTRIP COM INTL LTD 21,376 881 0.38%
36 CTRIP COM INTL LTD 35,624 1,468 0.63%
37 DOMINOS PIZZA INC 8,751 1,150 0.49%
38 DOMINOS PIZZA INC 5,249 690 0.30%
39 EAGLE MATERIALS INC 12,187 940 0.40%
40 EAGLE MATERIALS INC 20,313 1,567 0.67%
41 EPAM SYS INC 20,001 1,286 0.55%
42 EPAM SYS INC 11,999 772 0.33%
43 FACEBOOK INC 15,938 1,821 0.78%
44 FACEBOOK INC 26,562 3,036 1.30%
45 FIVE BELOW INC 39,368 1,827 0.78%
46 FIVE BELOW INC 65,632 3,046 1.30%
47 GALAPAGOS NV 13,126 728 0.31%
48 GALAPAGOS NV 7,874 437 0.19%
49 GIGAMON INC 53,995 2,019 0.86%
50 GIGAMON INC 90,005 3,365 1.44%
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