Atika Capital Management LLC Q4 2018 Filing
Filed February 14, 2019
Portfolio Value
$339.7B
Holdings
62
Report Date
Q4 2018
Filing Type
13F-HR
All Holdings (62 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | XBISPDR SERIES TRUST | 330,000 | $23.7B | 6.97% | Put |
| 2 | NDQINVESCO QQQ TR | 110,000 | $17.0B | 4.99% | Put |
| 3 | NFLXNETFLIX INC | 53,000 | $14.2B | 4.18% | Call |
| 4 | EXASEXACT SCIENCES CORP | 194,600 | $12.3B | 3.62% | Call |
| 5 | BKLNINVESCO EXCHNG TRADED FD TR | 500,000 | $10.9B | 3.21% | Put |
| 6 | DC4DEXCOM INC | 89,500 | $10.7B | 3.16% | |
| 7 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 400,000 | $10.0B | 2.93% | |
| 8 | MSFTMICROSOFT CORP | 90,000 | $9.1B | 2.69% | |
| 9 | ISRGINTUITIVE SURGICAL INC | 19,000 | $9.1B | 2.68% | |
| 10 | OKTAOKTA INC | 134,000 | $8.5B | 2.52% | |
| 11 | SRPTSAREPTA THERAPEUTICS INC | 78,100 | $8.5B | 2.51% | |
| 12 | HYGISHARES TR | 100,000 | $8.1B | 2.39% | Put |
| 13 | FIVEFIVE BELOW INC | 78,400 | $8.0B | 2.36% | Call |
| 14 | EHTHEHEALTH INC | 200,000 | $7.7B | 2.26% | |
| 15 | ASHASHLAND GLOBAL HLDGS INC | 106,200 | $7.5B | 2.22% | Call |
| 16 | RNGRINGCENTRAL INC | 86,000 | $7.1B | 2.09% | |
| 17 | ARNAEURARENA PHARMACEUTICALS INC | 180,000 | $7.0B | 2.06% | |
| 18 | UNHUNITEDHEALTH GROUP INC | 27,500 | $6.9B | 2.02% | |
| 19 | ELVANTHEM INC | 25,500 | $6.7B | 1.97% | |
| 20 | XYZSQUARE INC | 115,000 | $6.5B | 1.90% | Call |
| 21 | GRA1EURGRACE W R & CO DEL NEW | 99,000 | $6.4B | 1.89% | |
| 22 | MSGSMADISON SQUARE GARDEN CO NEW | 23,500 | $6.3B | 1.85% | Call |
| 23 | GOOSCANADA GOOSE HOLDINGS INC | 142,500 | $6.2B | 1.83% | Call |
| 24 | TEAMATLASSIAN CORP PLC | 70,000 | $6.2B | 1.83% | |
| 25 | AMZNAMAZON COM INC | 4,000 | $6.0B | 1.77% | |
| 26 | INSPINSPIRE MED SYS INC | 135,000 | $5.7B | 1.68% | |
| 27 | NYTNEW YORK TIMES CO | 235,000 | $5.2B | 1.54% | |
| 28 | NBIXNEUROCRINE BIOSCIENCES INC | 70,000 | $5.0B | 1.47% | Call |
| 29 | ARGXARGENX SE | 51,900 | $5.0B | 1.47% | |
| 30 | ALLKGUSDALLAKOS INC | 90,000 | $4.7B | 1.38% | |
| 31 | PODDINSULET CORP | 56,000 | $4.4B | 1.31% | Call |
| 32 | MOHMOLINA HEALTHCARE INC | 38,000 | $4.4B | 1.30% | |
| 33 | AFWALIGN TECHNOLOGY INC | 19,554 | $4.1B | 1.21% | |
| 34 | COUPEURCOUPA SOFTWARE INC | 64,000 | $4.0B | 1.18% | |
| 35 | MDBMONGODB INC | 47,900 | $4.0B | 1.18% | |
| 36 | EPAMEPAM SYS INC | 34,200 | $4.0B | 1.17% | |
| 37 | TNDMTANDEM DIABETES CARE INC | 101,000 | $3.8B | 1.13% | |
| 38 | TDOCTELADOC HEALTH INC | 77,000 | $3.8B | 1.12% | |
| 39 | BMRNBIOMARIN PHARMACEUTICAL INC | 43,800 | $3.7B | 1.10% | Call |
| 40 | VNDAVANDA PHARMACEUTICALS INC | 130,000 | $3.4B | 1.00% | |
| 41 | VRTXVERTEX PHARMACEUTICALS INC | 20,500 | $3.4B | 1.00% | |
| 42 | MLMMARTIN MARIETTA MATLS INC | 19,000 | $3.3B | 0.96% | |
| 43 | MTNVAIL RESORTS INC | 15,000 | $3.2B | 0.93% | Call |
| 44 | VMCVULCAN MATLS CO | 31,000 | $3.1B | 0.90% | |
| 45 | —LOXO ONCOLOGY INC | 21,000 | $2.9B | 0.87% | |
| 46 | GLPGGALAPAGOS NV | 29,200 | $2.7B | 0.79% | |
| 47 | ZLABZAI LAB LTD | 111,000 | $2.6B | 0.76% | |
| 48 | ANETEURARISTA NETWORKS INC | 12,000 | $2.5B | 0.74% | |
| 49 | IRTCIRHYTHM TECHNOLOGIES INC | 33,500 | $2.3B | 0.69% | |
| 50 | SIENUSDSIENTRA INC | 182,000 | $2.3B | 0.68% | |
| 51 | VAREURVARIAN MED SYS INC | 20,000 | $2.3B | 0.67% | Call |
| 52 | MDGLMADRIGAL PHARMACEUTICALS INC | 20,000 | $2.3B | 0.66% | Call |
| 53 | NVCRNOVOCURE LTD | 60,500 | $2.0B | 0.60% | |
| 54 | ROKUROKU INC | 60,000 | $1.8B | 0.54% | Call |
| 55 | PETSPETMED EXPRESS INC | 70,000 | $1.6B | 0.48% | Put |
| 56 | CNCCENTENE CORP DEL | 13,500 | $1.6B | 0.46% | |
| 57 | —ZOGENIX INC | 40,000 | $1.5B | 0.43% | |
| 58 | ZEN1EURZENDESK INC | 13,000 | $759.0M | 0.22% | |
| 59 | —PORTOLA PHARMACEUTICALS INC | 30,000 | $585.0M | 0.17% | Call |
| 60 | DBDEURDIEBOLD NXDF INC | 200,000 | $498.0M | 0.15% | Put |
| 61 | —MEDICINES CO | 22,100 | $423.0M | 0.12% | Call |
| 62 | MRNAMODERNA INC | 10,000 | $153.0M | 0.05% |