Atika Capital Management LLC Q2 2018 Filing
Filed August 14, 2018
Portfolio Value
$520.1B
Holdings
81
Report Date
Q2 2018
Filing Type
13F-HR
All Holdings (81 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | NDQINVESCO QQQ TR | 450,000 | $77.2B | 14.85% | Put |
| 2 | XBISPDR SERIES TRUST | 200,000 | $19.0B | 3.66% | Put |
| 3 | GRA1EURGRACE W R & CO DEL NEW | 244,000 | $17.9B | 3.44% | Call |
| 4 | WWEUSDWORLD WRESTLING ENTMT INC | 239,000 | $17.4B | 3.35% | Call |
| 5 | NFLXNETFLIX INC | 32,500 | $12.7B | 2.45% | |
| 6 | WTWEURWEIGHT WATCHERS INTL INC NEW | 120,000 | $12.1B | 2.33% | |
| 7 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 459,356 | $11.9B | 2.28% | |
| 8 | DC4DEXCOM INC | 115,000 | $10.9B | 2.10% | Call |
| 9 | AMZNAMAZON COM INC | 5,750 | $9.8B | 1.88% | |
| 10 | SRPTSAREPTA THERAPEUTICS INC | 72,000 | $9.5B | 1.83% | |
| 11 | AFWALIGN TECHNOLOGY INC | 27,000 | $9.2B | 1.78% | |
| 12 | ETSYETSY INC | 217,000 | $9.2B | 1.76% | |
| 13 | ARNAEURARENA PHARMACEUTICALS INC | 208,700 | $9.1B | 1.75% | Call |
| 14 | MSFTMICROSOFT CORP | 90,000 | $8.9B | 1.71% | |
| 15 | ISRGINTUITIVE SURGICAL INC | 18,000 | $8.6B | 1.66% | |
| 16 | HUBSHUBSPOT INC | 65,500 | $8.2B | 1.58% | |
| 17 | METAFACEBOOK INC | 41,000 | $8.0B | 1.53% | |
| 18 | —PIVOTAL SOFTWARE INC | 325,000 | $7.9B | 1.52% | |
| 19 | RNGRINGCENTRAL INC | 108,000 | $7.6B | 1.46% | |
| 20 | MDGLMADRIGAL PHARMACEUTICALS INC | 26,499 | $7.4B | 1.43% | |
| 21 | EXASEXACT SCIENCES CORP | 118,000 | $7.1B | 1.36% | |
| 22 | UNHUNITEDHEALTH GROUP INC | 28,500 | $7.0B | 1.34% | |
| 23 | ROKUROKU INC | 160,000 | $6.8B | 1.31% | |
| 24 | —MEDICINES CO | 185,813 | $6.8B | 1.31% | Call |
| 25 | FWONALIBERTY MEDIA CORP DELAWARE | 180,000 | $6.7B | 1.29% | Call |
| 26 | ASHASHLAND GLOBAL HLDGS INC | 85,000 | $6.6B | 1.28% | |
| 27 | ADSKAUTODESK INC | 50,000 | $6.6B | 1.26% | |
| 28 | OKTAOKTA INC | 123,000 | $6.2B | 1.19% | |
| 29 | —2U INC | 68,000 | $5.7B | 1.09% | |
| 30 | TEAMATLASSIAN CORP PLC | 90,000 | $5.6B | 1.08% | |
| 31 | MLMMARTIN MARIETTA MATLS INC | 25,000 | $5.6B | 1.07% | |
| 32 | XYZSQUARE INC | 90,000 | $5.5B | 1.07% | |
| 33 | GLPGGALAPAGOS NV | 59,000 | $5.4B | 1.05% | |
| 34 | ICUIICU MED INC | 18,500 | $5.4B | 1.04% | |
| 35 | AERIEURAERIE PHARMACEUTICALS INC | 80,000 | $5.4B | 1.04% | Call |
| 36 | PODDINSULET CORP | 63,000 | $5.4B | 1.04% | |
| 37 | BMRNBIOMARIN PHARMACEUTICAL INC | 56,900 | $5.4B | 1.03% | Call |
| 38 | ARGXARGENX SE | 60,010 | $5.0B | 0.96% | |
| 39 | —PORTOLA PHARMACEUTICALS INC | 127,000 | $4.8B | 0.92% | |
| 40 | SHAKSHAKE SHACK INC | 70,000 | $4.6B | 0.89% | |
| 41 | WWAYFAIR INC | 39,000 | $4.6B | 0.89% | |
| 42 | TDOCTELADOC INC | 79,000 | $4.6B | 0.88% | |
| 43 | EPAMEPAM SYS INC | 35,000 | $4.4B | 0.84% | |
| 44 | CICIGNA CORPORATION | 25,000 | $4.2B | 0.82% | Call |
| 45 | CRSPCRISPR THERAPEUTICS AG | 72,000 | $4.2B | 0.81% | Call |
| 46 | BMYBRISTOL MYERS SQUIBB CO | 75,000 | $4.2B | 0.80% | Call |
| 47 | —ENDOCYTE INC | 295,000 | $4.1B | 0.78% | |
| 48 | SPOTSPOTIFY TECHNOLOGY S A | 24,000 | $4.0B | 0.78% | |
| 49 | ANETEURARISTA NETWORKS INC | 15,000 | $3.9B | 0.74% | |
| 50 | DOCUDOCUSIGN INC | 72,000 | $3.8B | 0.73% | Put |
| 51 | DINDINE BRANDS GLOBAL INC | 50,000 | $3.7B | 0.72% | Call |
| 52 | PBYIPUMA BIOTECHNOLOGY INC | 62,000 | $3.7B | 0.71% | |
| 53 | INGNINOGEN INC | 19,500 | $3.6B | 0.70% | |
| 54 | TTWOTAKE-TWO INTERACTIVE SOFTWAR | 30,000 | $3.6B | 0.68% | |
| 55 | ASIXADVANSIX INC | 95,000 | $3.5B | 0.67% | |
| 56 | —LOXO ONCOLOGY INC | 20,000 | $3.5B | 0.67% | |
| 57 | TWTRUSDTWITTER INC | 75,000 | $3.3B | 0.63% | Call |
| 58 | FIVEFIVE BELOW INC | 33,000 | $3.2B | 0.62% | |
| 59 | IRWDIRONWOOD PHARMACEUTICALS INC | 164,000 | $3.1B | 0.60% | |
| 60 | SIENUSDSIENTRA INC | 160,000 | $3.1B | 0.60% | |
| 61 | INSPINSPIRE MED SYS INC | 87,500 | $3.1B | 0.60% | |
| 62 | PENPENUMBRA INC | 22,500 | $3.1B | 0.60% | |
| 63 | —BIOHAVEN PHARMACTL HLDG CO L | 75,000 | $3.0B | 0.57% | Call |
| 64 | ILFISHARES TR | 100,000 | $3.0B | 0.57% | Put |
| 65 | —BLUEBIRD BIO INC | 18,500 | $2.9B | 0.56% | |
| 66 | NVCRNOVOCURE LTD | 90,000 | $2.8B | 0.54% | |
| 67 | FNDFLOOR & DECOR HLDGS INC | 55,000 | $2.7B | 0.52% | |
| 68 | AYAEURSTARS GROUP INC | 70,000 | $2.5B | 0.49% | |
| 69 | QTWOQ2 HLDGS INC | 41,500 | $2.4B | 0.46% | |
| 70 | ALNYALNYLAM PHARMACEUTICALS INC | 23,000 | $2.3B | 0.44% | |
| 71 | —ZOGENIX INC | 50,000 | $2.2B | 0.42% | |
| 72 | EEMISHARES TR | 50,000 | $2.2B | 0.42% | Put |
| 73 | VRTXVERTEX PHARMACEUTICALS INC | 12,000 | $2.0B | 0.39% | |
| 74 | —MOMENTA PHARMACEUTICALS INC | 89,000 | $1.8B | 0.35% | |
| 75 | VEEVVEEVA SYS INC | 20,000 | $1.5B | 0.30% | |
| 76 | ATVIEURACTIVISION BLIZZARD INC | 18,000 | $1.4B | 0.26% | |
| 77 | SAILEURSAILPOINT TECHNLGIES HLDGS I | 50,000 | $1.2B | 0.24% | Put |
| 78 | ASNDASCENDIS PHARMA A S | 15,700 | $1.0B | 0.20% | |
| 79 | CRTOCRITEO S A | 30,000 | $986.0M | 0.19% | Put |
| 80 | TPDTEMPUR SEALY INTL INC | 15,000 | $721.0M | 0.14% | Call |
| 81 | RHT1EURRED HAT INC | 5,000 | $671.0M | 0.13% |