Atika Capital Management

Atika Capital Management as of June 30, 2016

Portfolio Holdings for Atika Capital Management

Atika Capital Management holds 58 positions in its portfolio as reported in the June 2016 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Spdr S&p 500 Etf (SPY) 16.1 $38M 180k 209.48
Raptor Pharmaceutical 4.1 $9.7M 1.8M 5.36
Six Flags Entertainment (SIX) 4.1 $9.6M 166k 57.95
W.R. Grace & Co. 4.1 $9.6M 131k 73.21
Martin Marietta Materials (MLM) 4.0 $9.4M 49k 191.99
Masonite International (DOOR) 3.3 $7.6M 116k 66.13
Horizon Pharma 3.1 $7.1M 433k 16.47
Adeptus Health Inc-class A 2.8 $6.5M 125k 51.66
Amazon (AMZN) 2.8 $6.4M 9.0k 715.56
Nevro (NVRO) 2.7 $6.2M 85k 73.75
Allergan 2.5 $5.8M 25k 231.09
Ulta Salon, Cosmetics & Fragrance (ULTA) 2.4 $5.6M 23k 243.67
Intuitive Surgical (ISRG) 2.4 $5.6M 8.4k 661.27
Gigamon 2.3 $5.4M 144k 37.39
Five Below (FIVE) 2.1 $4.9M 105k 46.41
Facebook Inc cl a (META) 2.1 $4.9M 43k 114.30
Aetna 2.0 $4.6M 38k 122.14
Vulcan Materials Company (VMC) 1.9 $4.5M 37k 120.34
Constellation Brands (STZ) 1.7 $4.0M 24k 165.39
Netflix (NFLX) 1.7 $3.9M 43k 91.49
Liberty Media Corp Delaware Com C Braves Grp 1.6 $3.7M 254k 14.66
Shake Shack Inc cl a (SHAK) 1.4 $3.4M 93k 36.42
O'reilly Automotive (ORLY) 1.4 $3.3M 12k 271.08
Glaukos (GKOS) 1.4 $3.3M 113k 29.17
United Therapeutics Corporation (UTHR) 1.3 $3.1M 30k 105.92
Bmc Stk Hldgs 1.3 $3.1M 173k 17.81
Alder Biopharmaceuticals 1.3 $3.0M 122k 24.97
Alkermes (ALKS) 1.1 $2.6M 60k 43.20
Advanced Drain Sys Inc Del (WMS) 1.1 $2.6M 95k 27.36
Medidata Solutions 1.1 $2.6M 55k 46.89
Eagle Materials (EXP) 1.1 $2.5M 33k 77.14
Time Warner 1.0 $2.4M 33k 73.55
Microsoft Corporation (MSFT) 1.0 $2.4M 46k 51.16
Ctrip.com International 1.0 $2.3M 57k 41.21
Shire 1.0 $2.3M 13k 184.05
Vail Resorts (MTN) 0.9 $2.2M 16k 138.26
Halyard Health 0.9 $2.1M 65k 32.50
Epam Systems (EPAM) 0.9 $2.1M 32k 64.30
Grubhub 0.9 $2.1M 66k 31.08
Alphabet Inc Class C cs (GOOG) 0.9 $2.0M 2.9k 692.22
Eli Lilly & Co. (LLY) 0.8 $1.9M 24k 78.73
Domino's Pizza (DPZ) 0.8 $1.8M 14k 131.41
2u (TWOU) 0.8 $1.8M 60k 29.42
Gw Pharmaceuticals Plc ads 0.7 $1.6M 17k 91.57
NxStage Medical 0.7 $1.5M 71k 21.68
Boston Scientific Corporation (BSX) 0.6 $1.5M 64k 23.36
Ophthotech 0.6 $1.5M 29k 51.05
Humana (HUM) 0.5 $1.3M 7.0k 179.89
Autodesk (ADSK) 0.5 $1.2M 22k 54.17
Galapagos Nv- (GLPG) 0.5 $1.2M 21k 55.50
Straight Path Communic Cl B 0.4 $998k 36k 27.71
Walgreen Boots Alliance (WBA) 0.4 $991k 12k 83.26
Skechers USA (SKX) 0.4 $950k 32k 29.70
Tesaro 0.4 $883k 11k 84.11
Acceleron Pharma 0.3 $816k 24k 34.00
Alnylam Pharmaceuticals (ALNY) 0.3 $778k 14k 55.54
Alexion Pharmaceuticals 0.2 $467k 4.0k 116.80
ACADIA Pharmaceuticals (ACAD) 0.1 $334k 10k 32.46