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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 (2015Q3)
Portfolio Summary: 57 holdings with a total value of $203,914,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 MARTIN MARIETTA MATLS INC 82,350 12,513,000 6.14%
2 WALGREENS BOOTS ALLIANCE INC 148,200 12,316,000 6.04% Call
3 Adeptus Health Inc 132,450 10,697,000 5.25%
4 GOOGLE INC 15,250 9,278,000 4.55%
5 LILLY ELI & CO 110,000 9,206,000 4.51% Call
6 CLOVIS ONCOLOGY INC 91,500 8,414,000 4.13%
7 FACEBOOK INC 92,000 8,271,000 4.06%
8 ADVANCE AUTO PARTS INC 43,000 8,150,000 4.00%
9 Anacor Pharmaceuticals Inc 61,000 7,180,000 3.52%
10 ABIOMED INC 75,000 6,957,000 3.41%
11 MASONITE INTL CORP NEW COM 108,000 6,543,000 3.21%
12 ClubCorp Hldgs Inc 287,500 6,170,000 3.03%
13 PORTOLA PHARMACEUTICALS INC 128,000 5,456,000 2.68%
14 ALLERGAN PLC 20,000 5,436,000 2.67%
15 SKECHERS U S A INC 32,000 4,290,000 2.10%
16 TEMPUR SEALY INTL INC COM 54,000 3,857,000 1.89%
17 WELLCARE HEALTH PLANS INC COM 44,500 3,835,000 1.88%
18 UNIVERSAL HLTH SVCS INC 28,000 3,495,000 1.71%
19 BIOMARIN 32,000 3,370,000 1.65%
20 VULCAN MATLS CO 37,500 3,345,000 1.64%
21 UNDER ARMOUR INC 34,500 3,339,000 1.64%
22 SUMMIT MATLS INC CL A 160,000 3,003,000 1.47%
23 SHOPIFY INC 85,000 2,992,000 1.47%
24 RADIUS HEALTH 43,000 2,980,000 1.46%
25 GREEN BRICK PARTNERS INC 274,000 2,967,000 1.46%
26 EROS INTL PLC SHS NEW 109,000 2,963,000 1.45%
27 SS&C TECHNOLOGIES HLDGS INC 42,000 2,942,000 1.44%
28 NEUROCRINE BIOSCIE COM USD0.001 73,500 2,924,000 1.43%
29 AMICUS THERAPEUTICS INC 207,300 2,900,000 1.42%
30 ACADIA HEALTHCARE COMPANY IN 43,454 2,880,000 1.41%
31 GALAPAGOS NV 65,500 2,666,000 1.31%
32 2U, Inc. 66,900 2,402,000 1.18%
33 DEL TACO RESTAURANTS INC 170,000 2,380,000 1.17%
34 TRANSDIGM GROUP INC COM 11,000 2,336,000 1.15%
35 RITE AID CORP 370,000 2,246,000 1.10%
36 CABELAS INC 43,000 1,960,000 0.96%
37 GENTHERM INC COM 43,000 1,931,000 0.95%
38 DIAMOND RESORTS INTL INC COM 74,000 1,731,000 0.85%
39 BRISTOL MYERS SQUIBB CO 27,000 1,598,000 0.78%
40 ICON PLC 22,500 1,597,000 0.78%
41 KITE PHARMA INCORPORATED 27,200 1,514,000 0.74% Call
42 WALGREENS BOOTS ALLIANCE INC 18,000 1,496,000 0.73%
43 SOLARCITY CORP 30,700 1,312,000 0.64%
44 HEALTHEQUITY INC COM 43,600 1,289,000 0.63%
45 DBV TECHNOLOGIES 28,000 996,000 0.49%
46 TREVENA INC 95,000 984,000 0.48%
47 AXOVANT SCIENCES LTD 75,000 969,000 0.48%
48 EPAM SYS INC 12,800 954,000 0.47%
49 BARRETT BUSINESS SERVICES IN COM 22,000 944,000 0.46%
50 NETFLIX INC 9,000 929,000 0.46%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-15-002061, filed 2015.11.16).

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.