Atika Capital Management LLC Q1 2018 Filing
Filed May 15, 2018
Portfolio Value
$291.9B
Holdings
70
Report Date
Q1 2018
Filing Type
13F-HR
All Holdings (70 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | MSFTMICROSOFT CORP | 115,000 | $10.5B | 3.60% | |
| 2 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 456,900 | $10.4B | 3.57% | |
| 3 | NFLXNETFLIX INC | 35,000 | $10.3B | 3.54% | |
| 4 | XBISPDR SERIES TRUST | 115,000 | $10.1B | 3.46% | Put |
| 5 | BMYBRISTOL MYERS SQUIBB CO | 150,000 | $9.5B | 3.25% | Call |
| 6 | METAFACEBOOK INC | 52,000 | $8.3B | 2.85% | |
| 7 | RNGRINGCENTRAL INC | 126,200 | $8.0B | 2.75% | |
| 8 | HUBSHUBSPOT INC | 69,000 | $7.5B | 2.56% | |
| 9 | ETSYETSY INC | 265,000 | $7.4B | 2.55% | |
| 10 | AFWALIGN TECHNOLOGY INC | 29,100 | $7.3B | 2.50% | |
| 11 | SRPTSAREPTA THERAPEUTICS INC | 97,000 | $7.2B | 2.46% | |
| 12 | ISRGINTUITIVE SURGICAL INC | 16,500 | $6.8B | 2.33% | |
| 13 | CTSHCOGNIZANT TECHNOLOGY SOLUTIO | 78,500 | $6.3B | 2.16% | Put |
| 14 | ANETEURARISTA NETWORKS INC | 24,500 | $6.3B | 2.14% | |
| 15 | INCYINCYTE CORP | 72,500 | $6.0B | 2.07% | Put |
| 16 | GSGOLDMAN SACHS GROUP INC | 23,500 | $5.9B | 2.03% | |
| 17 | MLMMARTIN MARIETTA MATLS INC | 28,500 | $5.9B | 2.02% | |
| 18 | PODDINSULET CORP | 68,000 | $5.9B | 2.02% | |
| 19 | —2U INC | 69,000 | $5.8B | 1.99% | |
| 20 | ADSKAUTODESK INC | 45,500 | $5.7B | 1.96% | |
| 21 | TEAMATLASSIAN CORP PLC | 100,000 | $5.4B | 1.85% | |
| 22 | UNHUNITEDHEALTH GROUP INC | 24,500 | $5.2B | 1.80% | |
| 23 | ARNAEURARENA PHARMACEUTICALS INC | 130,000 | $5.1B | 1.76% | |
| 24 | AMZNAMAZON COM INC | 3,500 | $5.1B | 1.74% | |
| 25 | —AVEXIS INC | 40,000 | $4.9B | 1.69% | |
| 26 | ALNYALNYLAM PHARMACEUTICALS INC | 41,000 | $4.9B | 1.67% | |
| 27 | RHT1EURRED HAT INC | 31,000 | $4.6B | 1.59% | |
| 28 | FNDFLOOR & DECOR HLDGS INC | 87,600 | $4.6B | 1.56% | |
| 29 | ICUIICU MED INC | 18,000 | $4.5B | 1.56% | |
| 30 | ASIXADVANSIX INC | 126,291 | $4.4B | 1.50% | |
| 31 | XYZSQUARE INC | 84,000 | $4.1B | 1.42% | |
| 32 | —BLUEBIRD BIO INC | 24,000 | $4.1B | 1.40% | |
| 33 | INGNINOGEN INC | 32,000 | $3.9B | 1.35% | |
| 34 | —PORTOLA PHARMACEUTICALS INC | 113,000 | $3.7B | 1.26% | Call |
| 35 | SG7SAGE THERAPEUTICS INC | 21,500 | $3.5B | 1.19% | |
| 36 | NOWSERVICENOW INC | 20,000 | $3.3B | 1.13% | |
| 37 | PENPENUMBRA INC | 28,500 | $3.3B | 1.13% | |
| 38 | OKTAOKTA INC | 82,000 | $3.3B | 1.12% | |
| 39 | —AIMMUNE THERAPEUTICS INC | 98,000 | $3.1B | 1.07% | |
| 40 | ARGXARGENX SE | 37,000 | $3.0B | 1.02% | |
| 41 | AZULQAZUL S A | 85,000 | $3.0B | 1.01% | |
| 42 | ESPRESPERION THERAPEUTICS INC NE | 40,000 | $2.9B | 0.99% | |
| 43 | QTWOQ2 HLDGS INC | 63,000 | $2.9B | 0.98% | |
| 44 | EPAMEPAM SYS INC | 25,000 | $2.9B | 0.98% | |
| 45 | —LOXO ONCOLOGY INC | 21,500 | $2.5B | 0.85% | |
| 46 | VRTXVERTEX PHARMACEUTICALS INC | 15,000 | $2.4B | 0.84% | |
| 47 | DC4DEXCOM INC | 32,000 | $2.4B | 0.81% | |
| 48 | ABBVABBVIE INC | 25,000 | $2.4B | 0.81% | |
| 49 | NTNXNUTANIX INC | 48,000 | $2.4B | 0.81% | |
| 50 | JPMJPMORGAN CHASE & CO | 20,300 | $2.2B | 0.76% | |
| 51 | ATVIEURACTIVISION BLIZZARD INC | 32,000 | $2.2B | 0.74% | |
| 52 | —DSW INC | 96,000 | $2.2B | 0.74% | |
| 53 | MDGLMADRIGAL PHARMACEUTICALS INC | 18,000 | $2.1B | 0.72% | |
| 54 | CMACOMERICA INC | 21,000 | $2.0B | 0.69% | |
| 55 | —ZOGENIX INC | 50,000 | $2.0B | 0.69% | |
| 56 | TTWOTAKE-TWO INTERACTIVE SOFTWAR | 20,000 | $2.0B | 0.67% | |
| 57 | VEEVVEEVA SYS INC | 25,000 | $1.8B | 0.63% | |
| 58 | GLPGGALAPAGOS NV | 18,000 | $1.8B | 0.62% | |
| 59 | CGNXCOGNEX CORP | 32,000 | $1.7B | 0.57% | |
| 60 | SIENUSDSIENTRA INC | 165,000 | $1.6B | 0.55% | |
| 61 | AM6AMICUS THERAPEUTICS INC | 100,000 | $1.5B | 0.52% | |
| 62 | —SHIRE PLC | 10,000 | $1.5B | 0.51% | Call |
| 63 | FWONALIBERTY MEDIA CORP DELAWARE | 47,100 | $1.5B | 0.50% | |
| 64 | OCULOCULAR THERAPEUTIX INC | 220,000 | $1.4B | 0.49% | |
| 65 | BMRNBIOMARIN PHARMACEUTICAL INC | 16,400 | $1.3B | 0.46% | Call |
| 66 | ADVMCHFADVERUM BIOTECHNOLOGIES INC | 195,000 | $1.1B | 0.39% | |
| 67 | ADBEADOBE SYS INC | 5,000 | $1.1B | 0.37% | |
| 68 | EXASEXACT SCIENCES CORP | 21,500 | $867.0M | 0.30% | |
| 69 | TPDTEMPUR SEALY INTL INC | 15,000 | $679.0M | 0.23% | Call |
| 70 | —MEDICINES CO | 16,000 | $527.0M | 0.18% | Call |