Atika Capital Management LLC Q4 2019 Filing
Filed February 14, 2020
Portfolio Value
$517.9B
Holdings
74
Report Date
Q4 2019
Filing Type
13F-HR
All Holdings (74 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | XBISPDR SERIES TRUST | 310,000 | $29.5B | 5.69% | Put |
| 2 | INSPINSPIRE MED SYS INC | 265,000 | $19.7B | 3.80% | |
| 3 | AMZNAMAZON COM INC | 8,400 | $15.5B | 3.00% | |
| 4 | MSFTMICROSOFT CORP | 98,000 | $15.5B | 2.98% | |
| 5 | NFLXNETFLIX INC | 44,000 | $14.2B | 2.75% | |
| 6 | BATRKUSDLIBERTY MEDIA CORP DELAWARE | 458,900 | $13.6B | 2.62% | |
| 7 | RETAEURREATA PHARMACEUTICALS INC | 62,500 | $12.8B | 2.47% | |
| 8 | KMXCARMAX INC | 144,000 | $12.6B | 2.44% | |
| 9 | ZLABZAI LAB LTD | 285,000 | $11.9B | 2.29% | |
| 10 | RNGRINGCENTRAL INC | 70,000 | $11.8B | 2.28% | |
| 11 | ENPHENPHASE ENERGY INC | 445,600 | $11.6B | 2.25% | |
| 12 | GOOGALPHABET INC | 8,400 | $11.2B | 2.17% | |
| 13 | MLMMARTIN MARIETTA MATLS INC | 39,000 | $10.9B | 2.11% | |
| 14 | SRPTSAREPTA THERAPEUTICS INC | 82,000 | $10.6B | 2.04% | Call |
| 15 | DC4DEXCOM INC | 47,000 | $10.3B | 1.99% | |
| 16 | ROKUROKU INC | 75,000 | $10.0B | 1.94% | |
| 17 | THOTHOR INDS INC | 135,000 | $10.0B | 1.94% | |
| 18 | NBIXNEUROCRINE BIOSCIENCES INC | 90,000 | $9.7B | 1.87% | Put |
| 19 | EHTHEHEALTH INC | 94,500 | $9.1B | 1.75% | |
| 20 | TWTRADEWEB MKTS INC | 194,800 | $9.0B | 1.74% | |
| 21 | ISRGINTUITIVE SURGICAL INC | 15,000 | $8.9B | 1.71% | |
| 22 | TEAMATLASSIAN CORP PLC | 73,000 | $8.8B | 1.70% | |
| 23 | CNCCENTENE CORP DEL | 134,000 | $8.4B | 1.63% | |
| 24 | GOGROCERY OUTLET HLDG CORP | 245,000 | $8.0B | 1.53% | |
| 25 | COUPEURCOUPA SOFTWARE INC | 54,000 | $7.9B | 1.52% | |
| 26 | RGENREPLIGEN CORP | 85,000 | $7.9B | 1.52% | |
| 27 | OKTAOKTA INC | 68,000 | $7.8B | 1.51% | |
| 28 | TNDMTANDEM DIABETES CARE INC | 131,000 | $7.8B | 1.51% | |
| 29 | AZULQAZUL S A | 180,000 | $7.7B | 1.49% | |
| 30 | MDBMONGODB INC | 57,000 | $7.5B | 1.45% | |
| 31 | VRTXVERTEX PHARMACEUTICALS INC | 34,000 | $7.4B | 1.44% | Call |
| 32 | ARNAEURARENA PHARMACEUTICALS INC | 162,000 | $7.4B | 1.42% | |
| 33 | ASNDASCENDIS PHARMA A S | 52,000 | $7.2B | 1.40% | |
| 34 | ARGXARGENX SE | 44,800 | $7.2B | 1.39% | |
| 35 | VMCVULCAN MATLS CO | 49,200 | $7.1B | 1.37% | |
| 36 | EXASEXACT SCIENCES CORP | 72,500 | $6.7B | 1.29% | |
| 37 | OLLIOLLIES BARGAIN OUTLT HLDGS I | 100,000 | $6.5B | 1.26% | |
| 38 | LYFTLYFT INC | 150,000 | $6.5B | 1.25% | |
| 39 | EPAMEPAM SYS INC | 30,000 | $6.4B | 1.23% | |
| 40 | HEIHEICO CORP NEW | 71,000 | $6.4B | 1.23% | |
| 41 | CTLTEURCATALENT INC | 112,100 | $6.3B | 1.22% | |
| 42 | KBHKB HOME | 180,000 | $6.2B | 1.19% | |
| 43 | ELVANTHEM INC | 20,000 | $6.0B | 1.17% | |
| 44 | TMUST MOBILE US INC | 74,000 | $5.8B | 1.12% | |
| 45 | LOWLOWES COS INC | 48,000 | $5.7B | 1.11% | |
| 46 | TPDTEMPUR SEALY INTL INC | 65,000 | $5.7B | 1.09% | |
| 47 | GRA1EURGRACE W R & CO DEL NEW | 80,000 | $5.6B | 1.08% | |
| 48 | KRTXKARUNA THERAPEUTICS INC | 73,000 | $5.5B | 1.06% | |
| 49 | SHAKSHAKE SHACK INC | 87,000 | $5.2B | 1.00% | |
| 50 | UNHUNITEDHEALTH GROUP INC | 17,500 | $5.1B | 0.99% | |
| 51 | CCSCENTURY CMNTYS INC | 181,000 | $5.0B | 0.96% | |
| 52 | —BIOHAVEN PHARMACTL HLDG CO L | 85,000 | $4.6B | 0.89% | |
| 53 | —TIBERIUS ACQUISITION CORP | 350,000 | $3.7B | 0.71% | |
| 54 | —ZOGENIX INC | 68,000 | $3.5B | 0.68% | |
| 55 | CHRSCOHERUS BIOSCIENCES INC | 195,000 | $3.5B | 0.68% | |
| 56 | EWEDWARDS LIFESCIENCES CORP | 14,000 | $3.3B | 0.63% | |
| 57 | KRYSKRYSTAL BIOTECH INC | 58,319 | $3.2B | 0.62% | |
| 58 | PODDINSULET CORP | 18,000 | $3.1B | 0.59% | |
| 59 | NVCRNOVOCURE LTD | 32,000 | $2.7B | 0.52% | |
| 60 | ANETEURARISTA NETWORKS INC | 12,500 | $2.5B | 0.49% | |
| 61 | BYNDBEYOND MEAT INC | 29,000 | $2.2B | 0.42% | |
| 62 | GLPGGALAPAGOS NV | 9,500 | $2.0B | 0.38% | |
| 63 | WCGEURWELLCARE HEALTH PLANS INC | 4,700 | $1.6B | 0.30% | |
| 64 | BMRNBIOMARIN PHARMACEUTICAL INC | 18,000 | $1.5B | 0.29% | |
| 65 | ZMZOOM VIDEO COMMUNICATIONS IN | 20,000 | $1.4B | 0.26% | |
| 66 | MRTXEURMIRATI THERAPEUTICS INC | 10,000 | $1.3B | 0.25% | Call |
| 67 | TLRYEURTILRAY INC | 75,000 | $1.3B | 0.25% | Put |
| 68 | —MEDICINES CO | 12,500 | $1.1B | 0.21% | Call |
| 69 | SWAVUSDSHOCKWAVE MED INC | 24,100 | $1.1B | 0.20% | |
| 70 | ALGTALLEGIANT TRAVEL CO | 6,000 | $1.0B | 0.20% | |
| 71 | BBIOBRIDGEBIO PHARMA INC | 28,300 | $991.0M | 0.19% | |
| 72 | PTCTPTC THERAPEUTICS INC | 14,656 | $704.0M | 0.14% | |
| 73 | QUREUNIQURE NV | 8,000 | $573.0M | 0.11% | |
| 74 | RAREULTRAGENYX PHARMACEUTICAL IN | 5,402 | $231.0M | 0.04% |