Atika Capital Management LLC Q2 2019 Filing
Filed August 12, 2019
Portfolio Value
$509.1B
Holdings
75
Report Date
Q2 2019
Filing Type
13F-HR
All Holdings (75 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | XBISPDR SERIES TRUST | 245,000 | $21.5B | 4.22% | Put |
| 2 | NDQINVESCO QQQ TR | 110,000 | $20.5B | 4.03% | Put |
| 3 | OKTAOKTA INC | 150,000 | $18.5B | 3.64% | |
| 4 | EXASEXACT SCIENCES CORP | 135,300 | $16.0B | 3.14% | |
| 5 | SRPTSAREPTA THERAPEUTICS INC | 92,000 | $14.0B | 2.75% | |
| 6 | —GW PHARMACEUTICALS PLC | 79,000 | $13.6B | 2.67% | Call |
| 7 | ARNAEURARENA PHARMACEUTICALS INC | 230,000 | $13.5B | 2.65% | |
| 8 | KMXCARMAX INC | 150,000 | $13.0B | 2.56% | |
| 9 | NFLXNETFLIX INC | 34,500 | $12.7B | 2.49% | |
| 10 | AMZNAMAZON COM INC | 6,600 | $12.5B | 2.45% | |
| 11 | ROKUROKU INC | 132,000 | $12.0B | 2.35% | |
| 12 | BYNDBEYOND MEAT INC | 71,000 | $11.4B | 2.24% | |
| 13 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 395,000 | $11.0B | 2.17% | |
| 14 | INSPINSPIRE MED SYS INC | 165,000 | $10.0B | 1.97% | |
| 15 | TEAMATLASSIAN CORP PLC | 72,000 | $9.4B | 1.85% | |
| 16 | MLMMARTIN MARIETTA MATLS INC | 40,000 | $9.2B | 1.81% | |
| 17 | GRA1EURGRACE W R & CO DEL NEW | 118,000 | $9.0B | 1.76% | |
| 18 | ZLABZAI LAB LTD | 245,000 | $8.5B | 1.68% | |
| 19 | DISDISNEY WALT CO | 61,000 | $8.5B | 1.67% | |
| 20 | COUPEURCOUPA SOFTWARE INC | 64,000 | $8.1B | 1.59% | |
| 21 | EHTHEHEALTH INC | 94,000 | $8.1B | 1.59% | |
| 22 | RNGRINGCENTRAL INC | 70,000 | $8.0B | 1.58% | |
| 23 | HEIHEICO CORP NEW | 77,000 | $8.0B | 1.56% | |
| 24 | DC4DEXCOM INC | 52,000 | $7.8B | 1.53% | |
| 25 | IWMISHARES TR | 50,000 | $7.8B | 1.53% | Put |
| 26 | MSFTMICROSOFT CORP | 56,500 | $7.6B | 1.49% | |
| 27 | TNDMTANDEM DIABETES CARE INC | 117,000 | $7.5B | 1.48% | |
| 28 | ANETEURARISTA NETWORKS INC | 28,000 | $7.3B | 1.43% | |
| 29 | SG7SAGE THERAPEUTICS INC | 38,500 | $7.0B | 1.38% | |
| 30 | SHAKSHAKE SHACK INC | 96,000 | $6.9B | 1.36% | |
| 31 | ISRGINTUITIVE SURGICAL INC | 12,999 | $6.8B | 1.34% | |
| 32 | EPAMEPAM SYS INC | 37,000 | $6.4B | 1.26% | |
| 33 | MDBMONGODB INC | 39,500 | $6.0B | 1.18% | |
| 34 | ARGXARGENX SE | 41,900 | $5.9B | 1.16% | |
| 35 | VMCVULCAN MATLS CO | 42,500 | $5.8B | 1.15% | |
| 36 | ETSYETSY INC | 93,000 | $5.7B | 1.12% | |
| 37 | PLANUSDANAPLAN INC | 112,000 | $5.7B | 1.11% | |
| 38 | NBIXNEUROCRINE BIOSCIENCES INC | 65,000 | $5.5B | 1.08% | |
| 39 | ENPHENPHASE ENERGY INC | 300,000 | $5.5B | 1.07% | |
| 40 | VACMARRIOTT VACTINS WORLDWID CO | 56,000 | $5.4B | 1.06% | |
| 41 | TWTRADEWEB MKTS INC | 122,500 | $5.4B | 1.05% | |
| 42 | CRWDCROWDSTRIKE HLDGS INC | 77,000 | $5.3B | 1.03% | |
| 43 | —BIOHAVEN PHARMACTL HLDG CO L | 112,893 | $4.9B | 0.97% | |
| 44 | NYTNEW YORK TIMES CO | 150,000 | $4.9B | 0.96% | |
| 45 | MRTXEURMIRATI THERAPEUTICS INC | 47,000 | $4.8B | 0.95% | |
| 46 | WORKSLACK TECHNOLOGIES INC | 129,000 | $4.8B | 0.95% | |
| 47 | ASNDASCENDIS PHARMA A S | 41,000 | $4.7B | 0.93% | |
| 48 | PINSPINTEREST INC | 172,000 | $4.7B | 0.92% | |
| 49 | CHRSCOHERUS BIOSCIENCES INC | 210,000 | $4.6B | 0.91% | |
| 50 | IOVAIOVANCE BIOTHERAPEUTICS INC | 185,000 | $4.5B | 0.89% | |
| 51 | ADVMCHFADVERUM BIOTECHNOLOGIES INC | 369,000 | $4.4B | 0.86% | |
| 52 | TWLOTWILIO INC | 32,000 | $4.4B | 0.86% | |
| 53 | XYZSQUARE INC | 57,000 | $4.1B | 0.81% | |
| 54 | GHGUARDANT HEALTH INC | 47,000 | $4.1B | 0.80% | |
| 55 | VCYTVERACYTE INC | 137,000 | $3.9B | 0.77% | |
| 56 | GOOSCANADA GOOSE HOLDINGS INC | 100,000 | $3.9B | 0.76% | |
| 57 | BCOBRINKS CO | 47,000 | $3.8B | 0.75% | |
| 58 | TWTRUSDTWITTER INC | 100,000 | $3.5B | 0.69% | |
| 59 | —ARQULE INC | 317,000 | $3.5B | 0.69% | |
| 60 | —MEDICINES CO | 93,100 | $3.4B | 0.67% | Call |
| 61 | PTCTPTC THERAPEUTICS INC | 75,000 | $3.4B | 0.66% | |
| 62 | ZMZOOM VIDEO COMMUNICATIONS IN | 37,000 | $3.3B | 0.65% | |
| 63 | ASHASHLAND GLOBAL HLDGS INC | 38,000 | $3.0B | 0.60% | |
| 64 | —PORTOLA PHARMACEUTICALS INC | 100,000 | $2.7B | 0.53% | |
| 65 | CTLTEURCATALENT INC | 50,000 | $2.7B | 0.53% | Call |
| 66 | VAREURVARIAN MED SYS INC | 19,000 | $2.6B | 0.51% | |
| 67 | GLPGGALAPAGOS NV | 19,000 | $2.4B | 0.48% | |
| 68 | NVCRNOVOCURE LTD | 32,990 | $2.1B | 0.41% | |
| 69 | —ZOGENIX INC | 40,000 | $1.9B | 0.38% | |
| 70 | —PDVWIRELESS INC | 38,000 | $1.8B | 0.35% | |
| 71 | MDGLMADRIGAL PHARMACEUTICALS INC | 17,000 | $1.8B | 0.35% | Call |
| 72 | RAREULTRAGENYX PHARMACEUTICAL IN | 28,000 | $1.8B | 0.35% | |
| 73 | MOHMOLINA HEALTHCARE INC | 12,000 | $1.7B | 0.34% | |
| 74 | RCKTROCKET PHARMACEUTICALS INC | 102,600 | $1.5B | 0.30% | |
| 75 | ALLKGUSDALLAKOS INC | 22,500 | $975.0M | 0.19% | Put |