Atika Capital Management LLC Q3 2017 Filing
Filed November 14, 2017
Portfolio Value
$348.1B
Holdings
75
Report Date
Q3 2017
Filing Type
13F-HR
All Holdings (75 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | —POWERSHARES QQQ TRUST | 400,000 | $58.2B | 16.71% | Put |
| 2 | XBISPDR SERIES TRUST | 245,000 | $21.2B | 6.09% | Put |
| 3 | AFWALIGN TECHNOLOGY INC | 70,000 | $13.0B | 3.75% | |
| 4 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 495,000 | $12.5B | 3.59% | |
| 5 | NFLXNETFLIX INC | 48,000 | $8.7B | 2.50% | |
| 6 | METAFACEBOOK INC | 50,000 | $8.5B | 2.45% | |
| 7 | AALAMERICAN AIRLS GROUP INC | 172,000 | $8.2B | 2.35% | Call |
| 8 | ADSKAUTODESK INC | 72,000 | $8.1B | 2.32% | |
| 9 | ISRGINTUITIVE SURGICAL INC | 22,500 | $7.8B | 2.25% | |
| 10 | —MEDICINES CO | 208,000 | $7.7B | 2.21% | Put |
| 11 | RNGRINGCENTRAL INC | 144,000 | $6.0B | 1.73% | |
| 12 | TPDTEMPUR SEALY INTL INC | 90,000 | $5.8B | 1.67% | Call |
| 13 | TTWOTAKE-TWO INTERACTIVE SOFTWAR | 56,695 | $5.8B | 1.66% | |
| 14 | CTLTEURCATALENT INC | 134,000 | $5.3B | 1.54% | |
| 15 | ABBVABBVIE INC | 60,000 | $5.3B | 1.53% | Call |
| 16 | ATVIEURACTIVISION BLIZZARD INC | 79,000 | $5.1B | 1.46% | |
| 17 | HCAHCA HEALTHCARE INC | 60,000 | $4.8B | 1.37% | Put |
| 18 | GLPGGALAPAGOS NV | 46,000 | $4.7B | 1.35% | |
| 19 | INGNINOGEN INC | 48,946 | $4.7B | 1.34% | |
| 20 | SRPTSAREPTA THERAPEUTICS INC | 100,000 | $4.5B | 1.30% | |
| 21 | —2U INC | 80,805 | $4.5B | 1.30% | |
| 22 | TEAMATLASSIAN CORP PLC | 123,000 | $4.3B | 1.24% | |
| 23 | —MAZOR ROBOTICS LTD | 87,000 | $4.3B | 1.23% | |
| 24 | EXASEXACT SCIENCES CORP | 90,000 | $4.2B | 1.22% | |
| 25 | —LOXO ONCOLOGY INC | 45,000 | $4.1B | 1.19% | |
| 26 | —TALEND S A | 100,000 | $4.1B | 1.18% | |
| 27 | —AVEXIS INC | 41,000 | $4.0B | 1.14% | |
| 28 | ALBALBEMARLE CORP | 29,000 | $4.0B | 1.14% | |
| 29 | CGNXCOGNEX CORP | 35,000 | $3.9B | 1.11% | |
| 30 | ANETEURARISTA NETWORKS INC | 20,000 | $3.8B | 1.09% | |
| 31 | BIDUNBAIDU INC | 15,000 | $3.7B | 1.07% | |
| 32 | —CALITHERA BIOSCIENCES INC | 234,603 | $3.7B | 1.06% | |
| 33 | UNHUNITEDHEALTH GROUP INC | 18,000 | $3.5B | 1.01% | |
| 34 | AMZNAMAZON COM INC | 3,600 | $3.5B | 0.99% | |
| 35 | SIENUSDSIENTRA INC | 220,000 | $3.4B | 0.97% | |
| 36 | —GW PHARMACEUTICALS PLC | 32,500 | $3.3B | 0.95% | |
| 37 | MTNVAIL RESORTS INC | 14,000 | $3.2B | 0.92% | |
| 38 | IRTCIRHYTHM TECHNOLOGIES INC | 61,500 | $3.2B | 0.92% | |
| 39 | BMYBRISTOL MYERS SQUIBB CO | 50,000 | $3.2B | 0.92% | Call |
| 40 | —PORTOLA PHARMACEUTICALS INC | 58,000 | $3.1B | 0.90% | |
| 41 | MCDMCDONALDS CORP | 20,000 | $3.1B | 0.90% | |
| 42 | FNDFLOOR & DECOR HLDGS INC | 80,000 | $3.1B | 0.89% | |
| 43 | ARNAEURARENA PHARMACEUTICALS INC | 122,000 | $3.1B | 0.89% | |
| 44 | HDBHDFC BANK LTD | 32,000 | $3.1B | 0.89% | |
| 45 | —GIGAMON INC | 73,000 | $3.1B | 0.88% | |
| 46 | ICUIICU MED INC | 16,000 | $3.0B | 0.85% | |
| 47 | ALNYALNYLAM PHARMACEUTICALS INC | 25,000 | $2.9B | 0.84% | |
| 48 | ACHCACADIA HEALTHCARE COMPANY IN | 59,000 | $2.8B | 0.81% | |
| 49 | MLMMARTIN MARIETTA MATLS INC | 13,500 | $2.8B | 0.80% | |
| 50 | RHT1EURRED HAT INC | 25,000 | $2.8B | 0.80% | |
| 51 | AERIEURAERIE PHARMACEUTICALS INC | 57,000 | $2.8B | 0.80% | |
| 52 | MSFTMICROSOFT CORP | 35,000 | $2.6B | 0.75% | |
| 53 | —AKCEA THERAPEUTICS INC | 90,000 | $2.5B | 0.72% | |
| 54 | —MYOKARDIA INC | 56,000 | $2.4B | 0.69% | |
| 55 | 7SUSUMMIT MATLS INC | 74,500 | $2.4B | 0.69% | |
| 56 | CNCCENTENE CORP DEL | 22,463 | $2.2B | 0.62% | |
| 57 | JAZZJAZZ PHARMACEUTICALS PLC | 14,500 | $2.1B | 0.61% | |
| 58 | —SPARK THERAPEUTICS INC | 23,000 | $2.1B | 0.59% | |
| 59 | ROKUROKU INC | 72,000 | $1.9B | 0.55% | |
| 60 | FWONALIBERTY MEDIA CORP DELAWARE | 50,000 | $1.9B | 0.55% | |
| 61 | —IMMUNOMEDICS INC | 135,000 | $1.9B | 0.54% | |
| 62 | HRTXHERON THERAPEUTICS INC | 90,000 | $1.5B | 0.42% | |
| 63 | —ZOGENIX INC | 40,000 | $1.4B | 0.40% | |
| 64 | EX9EXELIXIS INC | 50,000 | $1.2B | 0.35% | |
| 65 | —BLUEBIRD BIO INC | 8,000 | $1.1B | 0.32% | |
| 66 | SLCAU S SILICA HLDGS INC | 35,000 | $1.1B | 0.31% | |
| 67 | ALKSALKERMES PLC | 21,000 | $1.1B | 0.31% | |
| 68 | RGNXREGENXBIO INC | 30,000 | $988.0M | 0.28% | |
| 69 | SG7SAGE THERAPEUTICS INC | 15,000 | $935.0M | 0.27% | Call |
| 70 | —DBV TECHNOLOGIES S A | 20,000 | $848.0M | 0.24% | |
| 71 | TRIPTRIPADVISOR INC | 20,000 | $811.0M | 0.23% | Call |
| 72 | —MARINUS PHARMACEUTICALS INC | 129,000 | $758.0M | 0.22% | |
| 73 | ESPRESPERION THERAPEUTICS INC NE | 13,700 | $686.0M | 0.20% | |
| 74 | —AXOVANT SCIENCES LTD | 25,400 | $174.0M | 0.05% | Call |
| 75 | —REEDS INC | 28,164 | $62.0M | 0.02% |