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Atika Capital Management LLC

Q4 2025 Holdings

Filed 2026-02-13 | 231 holdings | $949.8M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Spdr Series Trust(XBI)PutSTATE STREET SPD78464A870$117.4M9,62512.4%
Vertiv Holdings Co(VRT)COM CL A92537N108$103.1M636,10010.8%
ELI Lilly & Co(LLY)COM532457108$44.2M41,1004.7%
Echostar Corp(SATS)CallCL A278768106$43.3M3,9834.6%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$32.4M57,2163.4%
Ishares TR(IWM)PutRUSSELL 2000 ETF464287655$22.4M9102.4%
Teva Pharmaceutical Inds(TEVA)SPONSORED ADS881624209$22.4M717,0002.4%
Shopify Inc(SHOP)CL A SUB VTG SHS82509L107$20.0M124,0002.1%
Madrigal Pharmaceuticals(MDGL)COM558868105$19.8M34,0002.1%
BWX Technologies Inc(BWXT)COM05605H100$18.8M108,9002.0%
Amazon COM Inc(AMZN)COM023135106$18.5M80,0001.9%
Cogent Biosciences Inc(COGT)COM19240Q201$18.0M506,0001.9%
Netflix Inc(NFLX)COM64110L106$16.9M180,0001.8%
Talen Energy Corp(TLN)COM87422Q109$15.8M42,1001.7%
Seagate Technology Hldngs(STX)ORD SHSG7997R103$14.3M51,9071.5%
Ciena Corp(CIEN)COM NEW171779309$14.0M60,0001.5%
Echostar Corp(SATS)CL A278768106$13.6M124,8061.4%
Tesla Inc(TSLA)COM88160R101$13.5M30,0001.4%
Insmed Inc(INSM)COM PAR $.01457669307$13.4M77,2001.4%
Alphabet Inc(GOOG)CAP STK CL C02079K107$13.2M42,2001.4%
Terns Pharmaceuticals Inc(TERN)COM880881107$13.0M321,1651.4%
Mastec Inc(MTZ)COM576323109$12.2M55,9981.3%
Mercadolibre Inc(MELI)COM58733R102$12.0M5,9471.3%
Guardant Health Inc(GH)COM40131M109$11.0M108,0001.2%
Cloudflare Inc(NET)CL A COM18915M107$10.8M54,9001.1%
Five Below Inc(FIVE)COM33829M101$10.6M56,2001.1%
Doordash Inc(DASH)CL A25809K105$10.4M46,0001.1%
Appfolio Inc(APPF)COM CL A03783C100$10.4M44,5001.1%
Axsome Therapeutics Inc(AXSM)COM05464T104$10.1M55,5001.1%
Mongodb Inc(MDB)CL A60937P106$9.4M22,3261.0%
Teva Pharmaceutical Inds(TEVA)CallSPONSORED ADS881624209$9.4M3,0001.0%
The Realreal Inc(REAL)COM88339P101$8.9M565,0000.9%
Heico Corp New(HEI)COM422806109$8.5M26,3000.9%
Lemonade Inc(LMND)COM52567D107$8.1M113,9170.9%
QXO Inc(QXO)COM NEW82846H405$8.1M420,0000.9%
Carlisle COS Inc(CSL)COM142339100$8.1M25,3000.9%
GE Aerospace(GE)COM NEW369604301$8.0M25,9480.8%
Robinhood Mkts Inc(HOOD)PutCOM CL A770700102$7.9M7000.8%
Protagonist Therapeutics(PTGX)COM74366E102$7.5M86,0000.8%
Embraer S.A.(EMBJ)SPONSORED ADS29082A107$7.5M115,9300.8%
Ishares Bitcoin Trust ETF(IBIT)PutSHS BEN INT46438F101$7.4M1,5000.8%
Abivax SA(ABVX)SPONSORED ADS00370M103$7.4M55,0000.8%
Immunome Inc(IMNM)COM45257U108$7.2M334,3410.8%
TTM Technologies Inc(TTMI)COM87305R109$7.0M101,4730.7%
Roku Inc(ROKU)COM CL A77543R102$6.6M61,0000.7%
Ferguson Enterprises Inc(FERG)COMMON STOCK NEW31488V107$6.5M29,3000.7%
RH(RH)COM74967X103$6.3M35,0000.7%
Sharkninja Inc(SN)COM SHSG8068L108$5.9M52,6000.6%
Robinhood Mkts Inc(HOOD)COM CL A770700102$5.8M51,5000.6%
Dianthus Therapeutics Inc(DNTH)COM252828108$5.5M134,5280.6%
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