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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 (2014Q4)
Original 13F HR (0000919574-15-001984) filed in 2015.02.17
#
Name
Shares
Value ($)
%
Options
Notes
51 FACEBOOK INC 10,689 834 0.61%
52 ALEXION PHARMACEUTICALS INC 4,425 819 0.60%
53 GRUBHUB INC 21,684 788 0.58%
54 VALEANT PHARMACEUTICALS INTL 5,300 758 0.55% Call
55 Receptos Inc 5,922 725 0.53%
56 KEURIG GREEN MTN INC 5,314 704 0.51%
57 OMEROS CORP 27,457 680 0.50%
58 CABELAS INC 12,833 676 0.49%
59 BIOMARIN PHARMACEUTICAL INC 7,080 640 0.47%
60 KATE SPADE & CO 19,527 625 0.46%
61 HEALTHEQUITY INC 24,497 623 0.46%
62 ACTAVIS PLC 2,392 615 0.45%
63 ADVANCE AUTO PARTS INC 3,853 614 0.45%
64 JUNO THERAPEUTICS INC 11,506 601 0.44%
65 MASONITE INTL CORP NEW 9,717 597 0.44%
66 INCYTE CORP 7,544 552 0.40%
67 CLUBCORP HLDGS INC 27,954 501 0.37%
68 ILLUMINA INC 2,529 467 0.34%
69 VITAMIN SHOPPE INC 9,000 437 0.32% Call
70 COOPER COS INC 2,663 432 0.32%
71 ABBVIE INC 6,598 432 0.32%
72 ACADIA PHARMACEUTICALS INC 13,626 432 0.32%
73 PUMA BIOTECHNOLOGY 2,213 419 0.31%
74 EHEALTH INC COM 15,900 396 0.29% Call
75 CAESARSTONE LTD 6,328 379 0.28%
76 UNIVERSAL HLTH SVCS INC 3,161 351 0.26%
77 AGIOS PHARMACEUTICALS INC COM 3,005 337 0.25%
78 LENDINGCLUB CORP 13,223 335 0.24%
79 TRANSDIGM GROUP INC 1,619 318 0.23%
80 NEUROCRINE BIOSCIENCES INC 13,277 297 0.22%
81 Omnicare Inc (Acquired 8/18/2015) 3,709 271 0.20%
82 Allergan plc 1,270 270 0.20%
83 CELGENE CORP 2,417 270 0.20%
84 ISHARES NASDAQ BIOTECHNOLOGY ETF 502 266 0.19%
85 DIAMOND RESORTS INTL INC COM 9,333 261 0.19%
86 TRUECAR INC 11,154 255 0.19%
87 SALIX PHARMACEUTICALS INC 2,213 254 0.19%
88 AVANIR PHARMACEUTICALS INC CL 14,462 245 0.18%
89 VITAMIN SHOPPE INC 4,948 241 0.18%
90 LULULEMON ATHLETICA INC 4,308 240 0.18%
91 CENTENE CORP DEL 2,299 239 0.17%
92 SHIRE PLC 1,124 238 0.17%
93 DISNEY WALT CO 2,473 233 0.17%
94 MOTORCAR PTS AMER INC 7,420 231 0.17%
95 HUMANA INC 1,483 213 0.16%
96 Receptos Inc 1,700 208 0.15% Put
97 BLUEBIRD BIO INC 2,242 206 0.15%
98 SPIRIT AIRLS INC 2,642 199 0.15%
99 ACADIA COMPANY COM 3,148 193 0.14%
100 AMICUS THERAPEUTICS INC COM 22,986 191 0.14%
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