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13F-HR filed by Atika Capital Management LLC

Atika Capital Management LLC filed this 13F-HR for the quarter ended 2021-03-31, filed 2021-05-14, with 90 holding rows worth $1,152,440,000.

Accession
0001214659-21-005358
Filed
2021-05-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2021

A holdings report, 270 entries on the cover page, a total value of $1,152,440,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $1,152,440,000 with VALUE read as thousands by filing date, 13F file number 028-15941. The quarter's positions are built on this report. The resolved quarter.

Other managers

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
ISHARES TR46428743220 YR TR BD ETF6,000$81,270,000thousands by filing dateput
ZAI LAB LTD ADR98887Q104ADR265,000$35,359,000thousands by filing date
ZILLOW GROUP INC CL C CAP STK98954M200Stock263,000$34,095,000thousands by filing date
INSPIRE MED SYS INC COM457730109Stock148,000$30,635,000thousands by filing date
SPDR SER TR78464A870S&P BIOTECH2,120$28,758,000thousands by filing dateput
Microsoft Corp594918104COM115,000$27,113,000thousands by filing date
CARMAX INC COM143130102Stock172,000$22,817,000thousands by filing date
iShares Russell 2000 ETF464287655SHS1,000$22,094,000thousands by filing dateput
BLOCK INC CL A852234103Stock94,000$21,342,000thousands by filing date
CARVANA CO CL A146869102Stock80,900$21,229,000thousands by filing date
JACOBS ENGINEERING GROUP INC469814107COM164,000$21,200,000thousands by filing date
ENPHASE ENERGY INC COM29355A107Stock122,600$19,881,000thousands by filing date
Airbnb, Inc. Class A009066101COM105,000$19,733,000thousands by filing date
Alphabet Inc. Reg. Shares C02079K107COM9,500$19,652,000thousands by filing date
Amazon.com, Inc023135106COM6,000$18,564,000thousands by filing date
CENTURY COMMUNITIES INC.156504300COM298,000$17,975,000thousands by filing date
SONOS INC83570H108COM464,804$17,417,000thousands by filing date
SHIFT4 PMTS INC CL A82452J109Stock203,000$16,648,000thousands by filing date
RINGCENTRAL INC76680R206CL A55,000$16,384,000thousands by filing date
INSULET CORP COM45784P101Stock61,500$16,046,000thousands by filing date
REPLIGEN CORP COM759916109Stock82,000$15,942,000thousands by filing date
SHOCKWAVE MED INC82489T104COM121,500$15,827,000thousands by filing date
Morgan Stanley617446448COM200,000$15,532,000thousands by filing date
CF INDUSTRIES HOLD COM125269100Stock342,000$15,521,000thousands by filing date
THOR INDS INC885160101COM113,000$15,226,000thousands by filing date
DRAFTKINGS INC26142R104COM CL A248,000$15,210,000thousands by filing date
HCA Healthcare Inc40412C101COM800$15,067,000thousands by filing datecall
ARENA PHARMACEUTICALS INC040047607COM NEW214,000$14,850,000thousands by filing date
FIVE BELOW INC COM33829M101Stock76,500$14,595,000thousands by filing date
T-Mobile US,Inc.872590104COM114,000$14,283,000thousands by filing date
MERCADOLIBREINC58733R102STOK9,700$14,279,000thousands by filing date
HORIZON THERAPEUTICS PLCG46188101SHS155,000$14,266,000thousands by filing date
CLOUDFLARE INC CL A COM18915M107Stock202,000$14,192,000thousands by filing date
DOCUSIGN INC COM256163106Stock69,500$14,070,000thousands by filing date
ZIMMER BIOMET HOLDINGS INC COM98956P102Stock87,000$13,928,000thousands by filing date
Netflix, Inc64110L106COM26,500$13,824,000thousands by filing date
PAYPALHLDGSINC70450Y103STOK56,000$13,599,000thousands by filing date
GUARDANT HEALTH INC COM40131M109Stock87,600$13,373,000thousands by filing date
2U INC90214J101COM345,000$13,189,000thousands by filing date
LYFT INC55087P104CL A COM198,000$12,509,000thousands by filing date
ROKU INC COM CL A77543R102Stock38,000$12,379,000thousands by filing date
JUNIPER INDL HLDGS INC48205G106COM CL A997,510$12,368,000thousands by filing date
ARVINAS INC04335A105COM186,000$12,295,000thousands by filing date
ACCELERON PHARMA INC00434H108COM90,100$12,219,000thousands by filing date
NUANCE COMMUNICATIONS INC67020Y100COM270,400$11,801,000thousands by filing date
SOMNIGROUP INTERNATIONAL INC COM88023U101Stock320,000$11,699,000thousands by filing date
MARTIN MARIETTA MATLS INC COM573284106Stock34,000$11,418,000thousands by filing date
NATERA INC COM632307104Stock112,000$11,373,000thousands by filing date
META PLATFORMS INC CL A30303M102COM385$11,339,000thousands by filing datecall
ARGENX SE SPONSORED ADR04016X101ADR41,100$11,319,000thousands by filing date
FREEPORT MCMORAN INC CL B35671D857Stock326,500$10,751,000thousands by filing date
NVIDIA Corp67066G104COM20,000$10,679,000thousands by filing date
RODGERS SILICON VALLEY AQ CO774873103COM1,031,859$10,515,000thousands by filing date
OKTAINCCLASSA679295105STOK47,000$10,360,000thousands by filing date
CAMPING WORLD HLDGS INC CL A13462K109Stock256,500$9,332,000thousands by filing date
EXACT SCIENCES CORP COM30063P105Stock70,000$9,225,000thousands by filing date
IMPINJ INC453204109COM160,000$9,099,000thousands by filing date
MONGODB INC CL A60937P106Stock34,000$9,093,000thousands by filing date
BEACON ROOFING SUPPLY INC073685109COM166,000$8,685,000thousands by filing date
AERIE PHARMACEUTICALS INC00771V108COM480,000$8,578,000thousands by filing date
LIBERTY531229888COMMON STOCK303,000$8,430,000thousands by filing date
JACOBS ENGINEERING GROUP INC469814107COM600$7,757,000thousands by filing datecall
INFINERA CORP45667G103COMMON STOCK790,000$7,609,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM66,000$7,515,000thousands by filing date
PINTEREST INC CL A72352L106Stock98,000$7,254,000thousands by filing date
TWILIO INC CL A90138F102Stock20,000$6,816,000thousands by filing date
UNITED THERAPEUTICS CORP DEL COM91307C102Stock400$6,691,000thousands by filing datecall
COUPA SOFTWARE INCORPORATED22266L106COM26,000$6,617,000thousands by filing date
EVENTBRITE INC29975E109COM CL A281,900$6,247,000thousands by filing date
CLASS ACCELERATION CORP18274B106CMN899,999$5,983,000thousands by filing date
MIRATI THERAPEUTICS INC60468T105COM34,000$5,824,000thousands by filing date
INVITAE CORP46185L103COM1,500$5,732,000thousands by filing datecall
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock98,000$5,599,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061G101COM720$5,437,000thousands by filing datecall
M.D.C. HOLDINGS INC552676108COM88,342$5,248,000thousands by filing date
APPIAN CORP03782L101CL A363$4,826,000thousands by filing dateput
BRIDGEBIO PHARMA INC10806X102COM77,400$4,767,000thousands by filing date
PULMONX CORP745848101COM101,700$4,651,000thousands by filing date
CROCS INC COM227046109Stock54,200$4,360,000thousands by filing date
BIOHAVEN PHARMACEUTICAL HOLDING11196105COM47,000$3,212,000thousands by filing date
TAYLOR MORRISON HOME CORP COM87724P106Stock103,100$3,177,000thousands by filing date
INVITAE CORP46185L103COM78,000$2,980,000thousands by filing date
PROGYNY INC COM74340E103Stock64,500$2,872,000thousands by filing date
INTL GNRL INSURANCE HLDNGS LG4809J106SHS339,798$2,775,000thousands by filing date
EVENTBRITE INC29975E109COM CL A1,000$2,216,000thousands by filing datecall
SALLY BEAUTY HLDGS INC79546E104COM1,000$2,013,000thousands by filing dateput
ACADIA PHARMACEUTICALS INC004225108COM65,000$1,678,000thousands by filing date
KARUNA THERAPEUTICS INC48576A100COM11,000$1,323,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock17,906$450,000thousands by filing date
DEXCOM INC COM252131107Stock1,000$360,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001214659-21-005358this filing2021-05-14acceptance time not in the bulk data set