Atika Capital Management LLC Q4 2020 Filing
Filed February 16, 2021
Portfolio Value
$1.3T
Holdings
102
Report Date
Q4 2020
Filing Type
13F-HR
All Holdings (102 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | ZLABZAI LAB LTD | 330,000 | $44.7B | 3.50% | |
| 2 | ZZILLOW GROUP INC | 326,200 | $42.3B | 3.32% | |
| 3 | XBISPDR SER TR | 274,000 | $38.6B | 3.02% | Put |
| 4 | INSPINSPIRE MED SYS INC | 200,000 | $37.6B | 2.95% | |
| 5 | LVLNSPDR SER TR | 607,200 | $31.5B | 2.47% | Call |
| 6 | RNGRINGCENTRAL INC | 76,300 | $28.9B | 2.26% | |
| 7 | AMZNAMAZON COM INC | 8,300 | $27.0B | 2.12% | |
| 8 | ENPHENPHASE ENERGY INC | 144,000 | $25.3B | 1.98% | |
| 9 | NETCLOUDFLARE INC | 289,000 | $22.0B | 1.72% | |
| 10 | MDBMONGODB INC | 61,000 | $21.9B | 1.71% | |
| 11 | ABNBAIRBNB INC | 142,000 | $20.8B | 1.63% | |
| 12 | CVNACARVANA CO | 87,000 | $20.8B | 1.63% | |
| 13 | ZMZOOM VIDEO COMMUNICATIONS IN | 59,500 | $20.1B | 1.57% | |
| 14 | ARKGARK ETF TR | 200,000 | $18.7B | 1.46% | Put |
| 15 | RGENREPLIGEN CORP | 94,000 | $18.0B | 1.41% | |
| 16 | TMUST-MOBILE US INC | 131,500 | $17.7B | 1.39% | |
| 17 | MLB1MERCADOLIBRE INC | 10,500 | $17.6B | 1.38% | |
| 18 | FOURSHIFT4 PMTS INC | 230,000 | $17.3B | 1.36% | |
| 19 | ARVNARVINAS INC | 201,000 | $17.1B | 1.34% | |
| 20 | LYFTLYFT INC | 345,000 | $16.9B | 1.33% | |
| 21 | ARNAEURARENA PHARMACEUTICALS INC | 219,700 | $16.9B | 1.32% | |
| 22 | PYPLPAYPAL HLDGS INC | 72,000 | $16.9B | 1.32% | |
| 23 | DWDMORGAN STANLEY | 244,000 | $16.7B | 1.31% | |
| 24 | DOCUDOCUSIGN INC | 75,000 | $16.7B | 1.31% | |
| 25 | CCKCROWN HLDGS INC | 165,000 | $16.5B | 1.29% | Call |
| 26 | FIVEFIVE BELOW INC | 92,300 | $16.1B | 1.26% | |
| 27 | COUPEURCOUPA SOFTWARE INC | 47,000 | $15.9B | 1.25% | |
| 28 | GOOGALPHABET INC | 9,000 | $15.8B | 1.23% | |
| 29 | CCSCENTURY CMNTYS INC | 357,400 | $15.6B | 1.23% | |
| 30 | QCOMQUALCOMM INC | 100,000 | $15.2B | 1.19% | |
| 31 | IBBISHARES TR | 100,000 | $15.1B | 1.19% | Put |
| 32 | MLMMARTIN MARIETTA MATLS INC | 52,000 | $14.8B | 1.16% | |
| 33 | THOTHOR INDS INC | 158,000 | $14.7B | 1.15% | |
| 34 | NVTA1EURINVITAE CORP | 344,000 | $14.4B | 1.13% | Put |
| 35 | SRPTSAREPTA THERAPEUTICS INC | 84,100 | $14.3B | 1.12% | Call |
| 36 | DKNG1USDDRAFTKINGS INC | 305,000 | $14.2B | 1.11% | |
| 37 | PODDINSULET CORP | 55,000 | $14.1B | 1.10% | |
| 38 | MSFTMICROSOFT CORP | 63,000 | $14.0B | 1.10% | |
| 39 | SWAVUSDSHOCKWAVE MED INC | 135,000 | $14.0B | 1.10% | |
| 40 | ARGXARGENX SE | 47,400 | $13.9B | 1.09% | |
| 41 | TSLATESLA INC | 19,500 | $13.8B | 1.08% | Put |
| 42 | EXASEXACT SCIENCES CORP | 102,300 | $13.6B | 1.06% | |
| 43 | OKTAOKTA INC | 52,000 | $13.2B | 1.04% | |
| 44 | EPAMEPAM SYS INC | 36,600 | $13.1B | 1.03% | |
| 45 | EGHT8X8 INC NEW | 377,200 | $13.0B | 1.02% | Call |
| 46 | INFNEURINFINERA CORP | 1,220,000 | $12.8B | 1.00% | |
| 47 | NFLXNETFLIX INC | 23,000 | $12.4B | 0.97% | |
| 48 | XLRNACCELERON PHARMA INC | 97,200 | $12.4B | 0.97% | |
| 49 | RAREULTRAGENYX PHARMACEUTICAL IN | 89,000 | $12.3B | 0.96% | |
| 50 | —BIOHAVEN PHARMACTL HLDG CO L | 143,000 | $12.3B | 0.96% | |
| 51 | GHGUARDANT HEALTH INC | 95,000 | $12.2B | 0.96% | |
| 52 | GSGOLDMAN SACHS GROUP INC | 46,000 | $12.1B | 0.95% | |
| 53 | ROKUROKU INC | 36,400 | $12.1B | 0.95% | |
| 54 | NVDANVIDIA CORPORATION | 23,000 | $12.0B | 0.94% | |
| 55 | IRTCIRHYTHM TECHNOLOGIES INC | 50,000 | $11.9B | 0.93% | |
| 56 | NTRANATERA INC | 117,000 | $11.6B | 0.91% | |
| 57 | MRNAMODERNA INC | 109,500 | $11.4B | 0.90% | Put |
| 58 | ABBVABBVIE INC | 100,000 | $10.7B | 0.84% | Call |
| 59 | FTCHQFARFETCH LTD | 164,500 | $10.5B | 0.82% | |
| 60 | MRTXEURMIRATI THERAPEUTICS INC | 47,500 | $10.4B | 0.82% | |
| 61 | EBEVENTBRITE INC | 541,867 | $9.8B | 0.77% | |
| 62 | RDFNREDFIN CORP | 140,000 | $9.6B | 0.75% | Put |
| 63 | HOGHARLEY DAVIDSON INC | 250,000 | $9.2B | 0.72% | |
| 64 | ACADACADIA PHARMACEUTICALS INC | 170,247 | $9.1B | 0.71% | |
| 65 | PIIMPINJ INC | 214,000 | $9.0B | 0.70% | |
| 66 | —RODGERS SILICON VALLEY AQ CO | 665,000 | $8.9B | 0.70% | |
| 67 | LOWLOWES COS INC | 55,000 | $8.8B | 0.69% | |
| 68 | TPDTEMPUR SEALY INTL INC | 290,000 | $7.8B | 0.61% | |
| 69 | BATRKUSDLIBERTY MEDIA CORP DEL | 312,000 | $7.8B | 0.61% | |
| 70 | LUNGPULMONX CORP | 111,600 | $7.7B | 0.60% | |
| 71 | PINSPINTEREST INC | 105,000 | $6.9B | 0.54% | |
| 72 | CWHCAMPING WORLD HLDGS INC | 256,500 | $6.7B | 0.52% | |
| 73 | KRTXKARUNA THERAPEUTICS INC | 64,000 | $6.5B | 0.51% | |
| 74 | BMRNBIOMARIN PHARMACEUTICAL INC | 72,000 | $6.3B | 0.49% | Call |
| 75 | RUNSUNRUN INC | 90,500 | $6.3B | 0.49% | |
| 76 | DISHDISH NETWORK CORPORATION | 183,000 | $5.9B | 0.46% | |
| 77 | APPNAPPIAN CORP | 36,300 | $5.9B | 0.46% | Put |
| 78 | —2U INC | 145,480 | $5.8B | 0.46% | |
| 79 | —ROMEO POWER INC | 250,000 | $5.6B | 0.44% | Put |
| 80 | IMVTIMMUNOVANT INC | 119,198 | $5.5B | 0.43% | |
| 81 | PACBPACIFIC BIOSCIENCES CALIF IN | 210,000 | $5.4B | 0.43% | Put |
| 82 | MDC1USDM D C HLDGS INC | 109,100 | $5.3B | 0.42% | |
| 83 | GOTUGSX TECHEDU INC | 100,000 | $5.2B | 0.40% | Put |
| 84 | BBIOBRIDGEBIO PHARMA INC | 70,800 | $5.0B | 0.39% | |
| 85 | TWLOTWILIO INC | 14,500 | $4.9B | 0.38% | |
| 86 | BECNUSDBEACON ROOFING SUPPLY INC | 120,000 | $4.8B | 0.38% | Call |
| 87 | PLTRPALANTIR TECHNOLOGIES INC | 200,000 | $4.7B | 0.37% | Put |
| 88 | DFSEURDISCOVER FINL SVCS | 50,000 | $4.5B | 0.35% | Call |
| 89 | NUANEURNUANCE COMMUNICATIONS INC | 98,100 | $4.3B | 0.34% | |
| 90 | RCKTROCKET PHARMACEUTICALS INC | 69,000 | $3.8B | 0.30% | |
| 91 | CROXCROCS INC | 58,900 | $3.7B | 0.29% | |
| 92 | TMHCTAYLOR MORRISON HOME CORP | 131,700 | $3.4B | 0.26% | |
| 93 | GDRXGOODRX HLDGS INC | 81,795 | $3.3B | 0.26% | Call |
| 94 | PGNYPROGYNY INC | 75,800 | $3.2B | 0.25% | |
| 95 | IGICINTL GNRL INSURANCE HLDNGS L | 339,798 | $2.7B | 0.21% | |
| 96 | SLDBSOLID BIOSCIENCES INC | 297,765 | $2.3B | 0.18% | Call |
| 97 | OMGBPOUTSET MED INC | 32,600 | $1.9B | 0.15% | |
| 98 | KMXCARMAX INC | 19,000 | $1.8B | 0.14% | |
| 99 | BLFSBIOLIFE SOLUTIONS INC | 40,000 | $1.6B | 0.12% | Call |
| 100 | —FIVE PRIME THERAPEUTICS INC | 51,273 | $872.0M | 0.07% |
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