Atika Capital Management LLC Q1 2021 Filing
Filed May 14, 2021
Portfolio Value
$1.2T
Holdings
87
Report Date
Q1 2021
Filing Type
13F-HR
All Holdings (87 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | TLTISHARES TR | 6,000 | $81.3B | 7.05% | Put |
| 2 | ZLABZAI LAB LTD | 265,000 | $35.4B | 3.07% | |
| 3 | ZZILLOW GROUP INC | 263,000 | $34.1B | 2.96% | |
| 4 | INSPINSPIRE MED SYS INC | 148,000 | $30.6B | 2.66% | |
| 5 | JECUSDJACOBS ENGR GROUP INC | 164,600 | $29.0B | 2.51% | Call |
| 6 | XBISPDR SER TR | 2,120 | $28.8B | 2.50% | Put |
| 7 | MSFTMICROSOFT CORP | 115,000 | $27.1B | 2.35% | |
| 8 | KMXCARMAX INC | 172,000 | $22.8B | 1.98% | |
| 9 | IWMISHARES TR | 1,000 | $22.1B | 1.92% | Put |
| 10 | XYZSQUARE INC | 94,000 | $21.3B | 1.85% | |
| 11 | CVNACARVANA CO | 80,900 | $21.2B | 1.84% | |
| 12 | ENPHENPHASE ENERGY INC | 122,600 | $19.9B | 1.73% | |
| 13 | ABNBAIRBNB INC | 105,000 | $19.7B | 1.71% | |
| 14 | GOOGALPHABET INC | 9,500 | $19.7B | 1.71% | |
| 15 | AMZNAMAZON COM INC | 6,000 | $18.6B | 1.61% | |
| 16 | CCSCENTURY CMNTYS INC | 298,000 | $18.0B | 1.56% | |
| 17 | SONOSONOS INC | 464,804 | $17.4B | 1.51% | |
| 18 | FOURSHIFT4 PMTS INC | 203,000 | $16.6B | 1.44% | |
| 19 | RNGRINGCENTRAL INC | 55,000 | $16.4B | 1.42% | |
| 20 | PODDINSULET CORP | 61,500 | $16.0B | 1.39% | |
| 21 | RGENREPLIGEN CORP | 82,000 | $15.9B | 1.38% | |
| 22 | SWAVUSDSHOCKWAVE MED INC | 121,500 | $15.8B | 1.37% | |
| 23 | DWDMORGAN STANLEY | 200,000 | $15.5B | 1.35% | |
| 24 | CFCF INDS HLDGS INC | 342,000 | $15.5B | 1.35% | |
| 25 | THOTHOR INDS INC | 113,000 | $15.2B | 1.32% | |
| 26 | DKNG1USDDRAFTKINGS INC | 248,000 | $15.2B | 1.32% | |
| 27 | HCAHCA HEALTHCARE INC | 800 | $15.1B | 1.31% | Call |
| 28 | ARNAEURARENA PHARMACEUTICALS INC | 214,000 | $14.8B | 1.29% | |
| 29 | FIVEFIVE BELOW INC | 76,500 | $14.6B | 1.27% | |
| 30 | TMUST-MOBILE US INC | 114,000 | $14.3B | 1.24% | |
| 31 | MLB1MERCADOLIBRE INC | 9,700 | $14.3B | 1.24% | |
| 32 | HZNPHORIZON THERAPEUTICS PUB L | 155,000 | $14.3B | 1.24% | |
| 33 | NETCLOUDFLARE INC | 202,000 | $14.2B | 1.23% | |
| 34 | DOCUDOCUSIGN INC | 69,500 | $14.1B | 1.22% | |
| 35 | ZBHZIMMER BIOMET HOLDINGS INC | 87,000 | $13.9B | 1.21% | |
| 36 | NFLXNETFLIX INC | 26,500 | $13.8B | 1.20% | |
| 37 | PYPLPAYPAL HLDGS INC | 56,000 | $13.6B | 1.18% | |
| 38 | GHGUARDANT HEALTH INC | 87,600 | $13.4B | 1.16% | |
| 39 | —2U INC | 345,000 | $13.2B | 1.14% | |
| 40 | LYFTLYFT INC | 198,000 | $12.5B | 1.09% | |
| 41 | ROKUROKU INC | 38,000 | $12.4B | 1.07% | |
| 42 | —JUNIPER INDL HLDGS INC | 997,510 | $12.4B | 1.07% | |
| 43 | ARVNARVINAS INC | 186,000 | $12.3B | 1.07% | |
| 44 | XLRNACCELERON PHARMA INC | 90,100 | $12.2B | 1.06% | |
| 45 | NUANEURNUANCE COMMUNICATIONS INC | 270,400 | $11.8B | 1.02% | |
| 46 | TPDTEMPUR SEALY INTL INC | 320,000 | $11.7B | 1.02% | |
| 47 | MLMMARTIN MARIETTA MATLS INC | 34,000 | $11.4B | 0.99% | |
| 48 | NTRANATERA INC | 112,000 | $11.4B | 0.99% | |
| 49 | METAFACEBOOK INC | 385 | $11.3B | 0.98% | Call |
| 50 | ARGXARGENX SE | 41,100 | $11.3B | 0.98% | |
| 51 | FCXFREEPORT-MCMORAN INC | 326,500 | $10.8B | 0.93% | |
| 52 | NVDANVIDIA CORPORATION | 20,000 | $10.7B | 0.93% | |
| 53 | —RODGERS SILICON VALLEY AQ CO | 1,031,859 | $10.5B | 0.91% | |
| 54 | OKTAOKTA INC | 47,000 | $10.4B | 0.90% | |
| 55 | CWHCAMPING WORLD HLDGS INC | 256,500 | $9.3B | 0.81% | |
| 56 | EXASEXACT SCIENCES CORP | 70,000 | $9.2B | 0.80% | |
| 57 | PIIMPINJ INC | 160,000 | $9.1B | 0.79% | |
| 58 | MDBMONGODB INC | 34,000 | $9.1B | 0.79% | |
| 59 | NVTA1EURINVITAE CORP | 79,500 | $8.7B | 0.76% | Call |
| 60 | BECNUSDBEACON ROOFING SUPPLY INC | 166,000 | $8.7B | 0.75% | |
| 61 | AERIEURAERIE PHARMACEUTICALS INC | 480,000 | $8.6B | 0.74% | |
| 62 | EBEVENTBRITE INC | 282,900 | $8.5B | 0.73% | Call |
| 63 | BATRKUSDLIBERTY MEDIA CORP DEL | 303,000 | $8.4B | 0.73% | |
| 64 | INFNEURINFINERA CORP | 790,000 | $7.6B | 0.66% | |
| 65 | RAREULTRAGENYX PHARMACEUTICAL IN | 66,000 | $7.5B | 0.65% | |
| 66 | PINSPINTEREST INC | 98,000 | $7.3B | 0.63% | |
| 67 | TWLOTWILIO INC | 20,000 | $6.8B | 0.59% | |
| 68 | UTHUNITED THERAPEUTICS CORP DEL | 400 | $6.7B | 0.58% | Call |
| 69 | COUPEURCOUPA SOFTWARE INC | 26,000 | $6.6B | 0.57% | |
| 70 | —CLASS ACCELERATION CORP | 899,999 | $6.0B | 0.52% | |
| 71 | MRTXEURMIRATI THERAPEUTICS INC | 34,000 | $5.8B | 0.51% | |
| 72 | ACHCACADIA HEALTHCARE COMPANY IN | 98,000 | $5.6B | 0.49% | |
| 73 | BMRNBIOMARIN PHARMACEUTICAL INC | 720 | $5.4B | 0.47% | Call |
| 74 | MDC1USDM D C HLDGS INC | 88,342 | $5.2B | 0.46% | |
| 75 | APPNAPPIAN CORP | 363 | $4.8B | 0.42% | Put |
| 76 | BBIOBRIDGEBIO PHARMA INC | 77,400 | $4.8B | 0.41% | |
| 77 | LUNGPULMONX CORP | 101,700 | $4.7B | 0.40% | |
| 78 | CROXCROCS INC | 54,200 | $4.4B | 0.38% | |
| 79 | —BIOHAVEN PHARMACTL HLDG CO L | 47,000 | $3.2B | 0.28% | |
| 80 | TMHCTAYLOR MORRISON HOME CORP | 103,100 | $3.2B | 0.28% | |
| 81 | PGNYPROGYNY INC | 64,500 | $2.9B | 0.25% | |
| 82 | IGICINTL GNRL INSURANCE HLDNGS L | 339,798 | $2.8B | 0.24% | |
| 83 | S7VSALLY BEAUTY HLDGS INC | 1,000 | $2.0B | 0.17% | Put |
| 84 | ACADACADIA PHARMACEUTICALS INC | 65,000 | $1.7B | 0.15% | |
| 85 | KRTXKARUNA THERAPEUTICS INC | 11,000 | $1.3B | 0.11% | |
| 86 | DC4DEXCOM | 1,000 | $360.0M | 0.03% | |
| 87 | PRTAPROTHENA CORP PLC | 9,560 | $240.0M | 0.02% | |
| 88 | PRTAPROTHENA CORPORATION PLC DUBL COM STK | 8,346 | $210.0M | 0.02% |