Atika Capital Management LLC Q1 2016 Filing

Filed May 16, 2016

Portfolio Value

$165.4B

Holdings

42

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (42 positions)

#StockSharesValue% PortfolioType
1
METAFACEBOOK INC
84,500$9.6B5.83%
2
MLMMARTIN MARIETTA MATLS INC
58,434$9.3B5.64%
3
NFLXNETFLIX INC
90,000$9.2B5.56%
4
MSFTMICROSOFT CORP
166,500$9.2B5.56%
5
SIXEURSIX FLAGS ENTMT CORP NEW
133,000$7.4B4.46%
6
WBAWALGREENS BOOTS ALLIANCE INC
84,700$7.1B4.31%Call
7
HDHOME DEPOT INC
51,000$6.8B4.11%
8
SFMSPROUTS FMRS MKT INC
222,000$6.4B3.90%
9
ADEPTUS HEALTH INC
115,000$6.4B3.86%
10
GRA1EURGRACE W R & CO DEL NEW
86,000$6.1B3.70%Call
11
ORLYO REILLY AUTOMOTIVE INC NEW
21,500$5.9B3.56%
12
GOOGALPHABET INC
7,500$5.6B3.38%
13
DOOREURMASONITE INTL CORP NEW
85,000$5.6B3.37%
14
EXPEAGLE MATERIALS INC
76,000$5.3B3.22%
15
ADSKAUTODESK INC
90,000$5.2B3.17%
16
VMCVULCAN MATLS CO
40,335$4.3B2.57%
17
HORIZON PHARMA PLC
240,000$4.0B2.40%
18
MEDIVATION INC
78,900$3.6B2.19%
19
GIGAMON INC
115,000$3.6B2.16%
20
NVROEURNEVRO CORP
62,656$3.5B2.13%
21
TWXCHFTIME WARNER INC
39,500$2.9B1.73%
22
EEMISHARES TR
80,000$2.7B1.66%
23
SKAASKECHERS U S A INC
87,000$2.6B1.60%
24
AWNADVANCE AUTO PARTS INC
16,000$2.6B1.55%
25
UTHUNITED THERAPEUTICS CORP DEL
22,500$2.5B1.52%Call
26
EPAMEPAM SYS INC
33,000$2.5B1.49%
27
CTRPUSDCTRIP COM INTL LTD
53,000$2.3B1.42%
28
MARKET VECTORS ETF TR
116,500$2.3B1.41%
29
STZCONSTELLATION BRANDS INC
15,000$2.3B1.37%
30
COACH INC
55,000$2.2B1.33%
31
AETNA INC NEW
18,000$2.0B1.22%
32
MTNVAIL RESORTS INC
15,000$2.0B1.21%
33
BMRNBIOMARIN PHARMACEUTICAL INC
24,000$2.0B1.20%
34
SHAKSHAKE SHACK INC
48,000$1.8B1.08%
35
LLYLILLY ELI & CO
24,000$1.7B1.04%Call
36
BIDUNBAIDU INC
8,000$1.5B0.92%
37
DNKNDUNKIN BRANDS GROUP INC
30,000$1.4B0.86%
38
ALLERGAN PLC
5,000$1.3B0.81%
39
EWEDWARDS LIFESCIENCES CORP
14,000$1.2B0.75%
40
PORTOLA PHARMACEUTICALS INC
27,500$561.0M0.34%
41
NVCRNOVOCURE LTD
25,200$365.0M0.22%Call
42
ACADACADIA PHARMACEUTICALS INC
10,300$288.0M0.17%Call