Atika Capital Management LLC Q1 2019 Filing
Filed May 13, 2019
Portfolio Value
$492.2B
Holdings
71
Report Date
Q1 2019
Filing Type
13F-HR
All Holdings (71 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | NDQINVESCO QQQ TR | 262,000 | $47.1B | 9.56% | Put |
| 2 | IWMISHARES TR | 125,000 | $19.1B | 3.89% | Put |
| 3 | AAPLAPPLE INC | 90,000 | $17.1B | 3.47% | Put |
| 4 | —GW PHARMACEUTICALS PLC | 81,500 | $13.7B | 2.79% | Call |
| 5 | EXASEXACT SCIENCES CORP | 158,000 | $13.7B | 2.78% | |
| 6 | EFAISHARES TR | 200,000 | $13.0B | 2.64% | Put |
| 7 | ANETEURARISTA NETWORKS INC | 40,000 | $12.6B | 2.56% | |
| 8 | OKTAOKTA INC | 147,000 | $12.2B | 2.47% | |
| 9 | NFLXNETFLIX INC | 32,000 | $11.4B | 2.32% | |
| 10 | SRPTSAREPTA THERAPEUTICS INC | 90,000 | $10.7B | 2.18% | |
| 11 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 380,000 | $10.6B | 2.14% | |
| 12 | ISRGINTUITIVE SURGICAL INC | 18,000 | $10.3B | 2.09% | |
| 13 | DC4DEXCOM INC | 80,000 | $9.5B | 1.94% | |
| 14 | AMZNAMAZON COM INC | 5,295 | $9.4B | 1.92% | |
| 15 | XBISPDR SERIES TRUST | 100,000 | $9.1B | 1.84% | Put |
| 16 | NYTNEW YORK TIMES CO | 273,000 | $9.0B | 1.82% | |
| 17 | GRA1EURGRACE W R & CO DEL NEW | 114,000 | $8.9B | 1.81% | |
| 18 | ARNAEURARENA PHARMACEUTICALS INC | 195,000 | $8.7B | 1.78% | |
| 19 | SG7SAGE THERAPEUTICS INC | 52,500 | $8.3B | 1.70% | Call |
| 20 | RMERESMED INC | 80,000 | $8.3B | 1.69% | Put |
| 21 | RNGRINGCENTRAL INC | 74,500 | $8.0B | 1.63% | |
| 22 | INSPINSPIRE MED SYS INC | 139,000 | $7.9B | 1.60% | |
| 23 | TEAMATLASSIAN CORP PLC | 69,000 | $7.8B | 1.58% | |
| 24 | ASHASHLAND GLOBAL HLDGS INC | 97,000 | $7.6B | 1.54% | |
| 25 | ROKUROKU INC | 117,000 | $7.5B | 1.53% | |
| 26 | MSFTMICROSOFT CORP | 60,500 | $7.1B | 1.45% | |
| 27 | EPAMEPAM SYS INC | 42,000 | $7.1B | 1.44% | |
| 28 | MDBMONGODB INC | 47,900 | $7.0B | 1.43% | |
| 29 | VAREURVARIAN MED SYS INC | 49,000 | $6.9B | 1.41% | |
| 30 | MSGSMADISON SQUARE GARDEN CO NEW | 23,500 | $6.9B | 1.40% | |
| 31 | XYZSQUARE INC | 88,000 | $6.6B | 1.34% | |
| 32 | ARGXARGENX SE | 51,900 | $6.5B | 1.32% | |
| 33 | ETSYETSY INC | 93,000 | $6.3B | 1.27% | |
| 34 | NBIXNEUROCRINE BIOSCIENCES INC | 70,000 | $6.2B | 1.25% | Call |
| 35 | ZEN1EURZENDESK INC | 72,000 | $6.1B | 1.24% | |
| 36 | GOOSCANADA GOOSE HOLDINGS INC | 125,000 | $6.0B | 1.22% | |
| 37 | COUPEURCOUPA SOFTWARE INC | 64,000 | $5.8B | 1.18% | |
| 38 | EHTHEHEALTH INC | 93,000 | $5.8B | 1.18% | |
| 39 | TNDMTANDEM DIABETES CARE INC | 90,000 | $5.7B | 1.16% | |
| 40 | ASNDASCENDIS PHARMA A S | 46,000 | $5.4B | 1.10% | |
| 41 | MLMMARTIN MARIETTA MATLS INC | 26,000 | $5.2B | 1.06% | |
| 42 | ZLABZAI LAB LTD | 175,000 | $5.2B | 1.05% | |
| 43 | LITELUMENTUM HLDGS INC | 90,000 | $5.1B | 1.03% | Put |
| 44 | VRTXVERTEX PHARMACEUTICALS INC | 26,000 | $4.8B | 0.97% | |
| 45 | BABOEING CO | 12,000 | $4.6B | 0.93% | |
| 46 | GHGUARDANT HEALTH INC | 57,000 | $4.4B | 0.89% | |
| 47 | NVTA1EURINVITAE CORP | 185,000 | $4.3B | 0.88% | |
| 48 | —ZOGENIX INC | 76,000 | $4.2B | 0.85% | |
| 49 | —HORIZON PHARMA PLC | 155,000 | $4.1B | 0.83% | |
| 50 | VMCVULCAN MATLS CO | 32,500 | $3.8B | 0.78% | |
| 51 | —BIOHAVEN PHARMACTL HLDG CO L | 71,000 | $3.7B | 0.74% | |
| 52 | PENPENUMBRA INC | 24,000 | $3.5B | 0.72% | |
| 53 | FTCHQFARFETCH LTD | 130,000 | $3.5B | 0.71% | |
| 54 | —PORTOLA PHARMACEUTICALS INC | 100,000 | $3.5B | 0.70% | |
| 55 | TDOCTELADOC HEALTH INC | 59,000 | $3.3B | 0.67% | |
| 56 | AERIEURAERIE PHARMACEUTICALS INC | 65,000 | $3.1B | 0.63% | |
| 57 | BMRNBIOMARIN PHARMACEUTICAL INC | 34,500 | $3.1B | 0.62% | |
| 58 | MOHMOLINA HEALTHCARE INC | 21,000 | $3.0B | 0.61% | |
| 59 | NVCRNOVOCURE LTD | 58,000 | $2.8B | 0.57% | |
| 60 | VNDAVANDA PHARMACEUTICALS INC | 141,000 | $2.6B | 0.53% | |
| 61 | CHRSCOHERUS BIOSCIENCES INC | 188,000 | $2.6B | 0.52% | |
| 62 | SPOTSPOTIFY TECHNOLOGY S A | 18,100 | $2.5B | 0.51% | |
| 63 | AM6AMICUS THERAPEUTICS INC | 165,000 | $2.2B | 0.46% | |
| 64 | GLPGGALAPAGOS NV | 19,000 | $2.2B | 0.45% | |
| 65 | RCKTROCKET PHARMACEUTICALS INC | 125,000 | $2.2B | 0.45% | Call |
| 66 | UNHUNITEDHEALTH GROUP INC | 5,500 | $1.4B | 0.28% | |
| 67 | —PDVWIRELESS INC | 38,000 | $1.3B | 0.27% | |
| 68 | DBDEURDIEBOLD NXDF INC | 100,000 | $1.1B | 0.22% | Put |
| 69 | NTNXNUTANIX INC | 22,000 | $831.0M | 0.17% | |
| 70 | MDGLMADRIGAL PHARMACEUTICALS INC | 27,000 | $754.0M | 0.15% | Call |
| 71 | —MEDICINES CO | 15,200 | $425.0M | 0.09% | Call |