Atika Capital Management LLC Q2 2017 Filing
Filed August 14, 2017
Portfolio Value
$285.4B
Holdings
68
Report Date
Q2 2017
Filing Type
13F-HR
All Holdings (68 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | —POWERSHARES QQQ TRUST | 264,500 | $36.4B | 12.75% | Put |
| 2 | —MEDICINES CO | 390,300 | $14.8B | 5.20% | Put |
| 3 | ADSKAUTODESK INC | 137,500 | $13.9B | 4.86% | Put |
| 4 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 475,000 | $11.4B | 3.99% | |
| 5 | METAFACEBOOK INC | 73,000 | $11.0B | 3.86% | Put |
| 6 | AFWALIGN TECHNOLOGY INC | 73,000 | $11.0B | 3.84% | |
| 7 | AALAMERICAN AIRLS GROUP INC | 203,000 | $10.2B | 3.58% | Call |
| 8 | ISRGINTUITIVE SURGICAL INC | 10,000 | $9.4B | 3.28% | |
| 9 | NFLXNETFLIX INC | 41,000 | $6.1B | 2.15% | |
| 10 | RNGRINGCENTRAL INC | 159,700 | $5.8B | 2.04% | |
| 11 | TTWOTAKE-TWO INTERACTIVE SOFTWAR | 75,000 | $5.5B | 1.93% | |
| 12 | MLMMARTIN MARIETTA MATLS INC | 24,000 | $5.3B | 1.87% | |
| 13 | AMZNAMAZON COM INC | 5,000 | $4.8B | 1.70% | |
| 14 | FWONALIBERTY MEDIA CORP DELAWARE | 129,000 | $4.7B | 1.65% | |
| 15 | REGNREGENERON PHARMACEUTICALS | 9,500 | $4.7B | 1.63% | |
| 16 | ACHCACADIA HEALTHCARE COMPANY IN | 91,000 | $4.5B | 1.57% | |
| 17 | ATVIEURACTIVISION BLIZZARD INC | 76,000 | $4.4B | 1.53% | |
| 18 | —2U INC | 89,600 | $4.2B | 1.47% | |
| 19 | TEAMATLASSIAN CORP PLC | 115,000 | $4.0B | 1.42% | |
| 20 | UNHUNITEDHEALTH GROUP INC | 21,500 | $4.0B | 1.40% | |
| 21 | —CALITHERA BIOSCIENCES INC | 260,000 | $3.9B | 1.35% | |
| 22 | FNDFLOOR & DECOR HLDGS INC | 95,000 | $3.7B | 1.31% | |
| 23 | ZZILLOW GROUP INC | 73,400 | $3.6B | 1.26% | |
| 24 | MSFTMICROSOFT CORP | 50,000 | $3.4B | 1.21% | |
| 25 | AERIEURAERIE PHARMACEUTICALS INC | 65,000 | $3.4B | 1.20% | |
| 26 | —LOXO ONCOLOGY INC | 42,000 | $3.4B | 1.18% | |
| 27 | 7SUSUMMIT MATLS INC | 115,000 | $3.3B | 1.16% | |
| 28 | SLCAU S SILICA HLDGS INC | 91,500 | $3.2B | 1.14% | Call |
| 29 | EXASEXACT SCIENCES CORP | 90,946 | $3.2B | 1.13% | |
| 30 | MCDMCDONALDS CORP | 20,400 | $3.1B | 1.09% | |
| 31 | HDBHDFC BANK LTD | 35,000 | $3.0B | 1.07% | |
| 32 | —AVEXIS INC | 36,500 | $3.0B | 1.05% | |
| 33 | —TESARO INC | 21,200 | $3.0B | 1.04% | Call |
| 34 | SHOPSHOPIFY INC | 34,000 | $3.0B | 1.04% | |
| 35 | CTLTEURCATALENT INC | 83,000 | $2.9B | 1.02% | |
| 36 | MTNVAIL RESORTS INC | 14,300 | $2.9B | 1.02% | |
| 37 | JAZZJAZZ PHARMACEUTICALS PLC | 18,500 | $2.9B | 1.01% | |
| 38 | CLVSEURCLOVIS ONCOLOGY INC | 29,000 | $2.7B | 0.95% | |
| 39 | —BLUEBIRD BIO INC | 25,000 | $2.6B | 0.92% | |
| 40 | —MEDIDATA SOLUTIONS INC | 32,500 | $2.5B | 0.89% | |
| 41 | SHWSHERWIN WILLIAMS CO | 7,000 | $2.5B | 0.86% | |
| 42 | IRWDIRONWOOD PHARMACEUTICALS INC | 130,000 | $2.5B | 0.86% | Call |
| 43 | ICUIICU MED INC | 14,000 | $2.4B | 0.85% | |
| 44 | CNCCENTENE CORP DEL | 30,000 | $2.4B | 0.84% | |
| 45 | TPDTEMPUR SEALY INTL INC | 42,000 | $2.2B | 0.79% | |
| 46 | —GW PHARMACEUTICALS PLC | 22,000 | $2.2B | 0.77% | |
| 47 | APPNAPPIAN CORP | 120,000 | $2.2B | 0.76% | |
| 48 | ANETEURARISTA NETWORKS INC | 14,500 | $2.2B | 0.76% | |
| 49 | SIENUSDSIENTRA INC | 220,000 | $2.1B | 0.75% | |
| 50 | BHCVALEANT PHARMACEUTICALS INTL | 120,000 | $2.1B | 0.73% | Call |
| 51 | INGNINOGEN INC | 21,000 | $2.0B | 0.70% | |
| 52 | HRTXHERON THERAPEUTICS INC | 138,000 | $1.9B | 0.67% | Call |
| 53 | —TALEND S A | 50,000 | $1.7B | 0.61% | |
| 54 | CGNXCOGNEX CORP | 20,000 | $1.7B | 0.59% | |
| 55 | —AXOVANT SCIENCES LTD | 70,000 | $1.6B | 0.57% | |
| 56 | —NEURODERM LTD | 54,000 | $1.6B | 0.57% | |
| 57 | EX9EXELIXIS INC | 65,000 | $1.6B | 0.56% | |
| 58 | EPAMEPAM SYS INC | 19,000 | $1.6B | 0.56% | |
| 59 | OTICEUROTONOMY INC | 84,000 | $1.6B | 0.55% | |
| 60 | GLPGGALAPAGOS NV | 18,000 | $1.4B | 0.48% | |
| 61 | ALKSALKERMES PLC | 21,000 | $1.2B | 0.43% | |
| 62 | —GIGAMON INC | 30,000 | $1.2B | 0.41% | |
| 63 | DOOREURMASONITE INTL CORP NEW | 15,000 | $1.1B | 0.40% | |
| 64 | —FINISH LINE INC | 63,700 | $902.0M | 0.32% | Put |
| 65 | TRIPTRIPADVISOR INC | 20,000 | $764.0M | 0.27% | Call |
| 66 | GKOSGLAUKOS CORP | 18,000 | $746.0M | 0.26% | |
| 67 | SG7SAGE THERAPEUTICS INC | 7,000 | $557.0M | 0.20% | |
| 68 | —ZOGENIX INC | 29,000 | $420.0M | 0.15% |