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Atika Capital Management LLC

Q2 2026 Holdings

Filed 2026-08-13 | 243 holdings | $1.5B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Vertiv Holdings Co(VRT)COM CL A92537N108$223.0M666,10014.7%
Spdr Series Trust(XBI)PutST STR SP BIOT78464A870$89.0M5,6255.9%
Seagate Technology Hldngs PL(STX)ORD SHSG7997R103$77.1M79,8655.1%
Invesco QQQ TR(QQQ)PutUNIT SER 146090E103$73.6M1,0004.8%
GE Vernova Inc(GEV)PutCOM36828A101$58.7M5003.9%
Advanced Micro Devices Inc(AMD)COM007903107$55.5M95,5003.6%
Amazon COM Inc(AMZN)CallCOM023135106$52.9M2,2203.5%
ELI Lilly & Co(LLY)COM532457108$49.3M41,1003.2%
Invesco QQQ TR(QQQ)CallUNIT SER 146090E103$48.6M6603.2%
Intel Corp(INTC)COM458140100$36.9M264,0002.4%
Micron Technology Inc(MU)PutCOM595112103$34.6M3002.3%
Echostar Corp(SATS)CL A278768106$33.6M331,4002.2%
Vaneck ETF Trust(SMH)PutSEMICONDUCTR ETF92189F676$33.5M5102.2%
Guardant Health Inc(GH)COM40131M109$27.2M181,0001.8%
Ishares TR(IGV)PutEXPANDED TECH464287515$24.6M2,7201.6%
Ciena Corp(CIEN)COM NEW171779309$23.9M48,7681.6%
Intuitive Surgical Inc(ISRG)COM NEW46120E602$22.8M57,2161.5%
British Amern TOB PLC(BMTA)CallSPONSORED ADR110448107$20.4M3,3001.3%
Ishares Bitcoin Trust ETF(IBIT)PutSHS BEN INT46438F101$20.0M6,0001.3%
Vishay Precision Group Inc(VPG)COM92835K103$17.7M118,0001.2%
Marvell Technology Inc(MRVL)COM573874104$17.3M58,0001.1%
Rocket LAB Corp(RKLB)COM773121108$17.2M169,0001.1%
Western Digital Corp(WDC)COM958102105$16.9M26,4771.1%
Revolution Medicines Inc(RVMD)COM76155X100$16.5M88,0001.1%
Ascendis Pharma A/S(ASND)ORD SHSK08588103$16.3M61,0001.1%
Dianthus Therapeutics Inc(DNTH)COM252828108$16.1M165,0001.1%
Roundhill ETF Trust(DRAM)PutMEMORY ETF77926X320$15.5M2,1001.0%
Axsome Therapeutics Inc.(AXSM)COM05464T104$15.4M63,0001.0%
Teva Pharmaceutical Inds LTD(TEVA)SPONSORED ADS881624209$14.9M440,0001.0%
Mastec Inc(MTZ)COM576323109$14.8M35,5001.0%
Sharkninja Inc(SN)COM SHSG8068L108$13.4M88,0000.9%
Netflix Inc.(NFLX)COM64110L106$12.9M180,0000.8%
Curtiss Wright Corp(CW)COM231561101$12.1M16,0000.8%
Kymera Therapeutics Inc(KYMR)COM501575104$11.9M104,0000.8%
Stubhub Hldgs Inc(STUB)CallCL A86384P109$11.6M9,0000.8%
Sitime Corp(SITM)COM82982T106$11.2M15,0000.7%
Twist Bioscience Corp(TWST)COM90184D100$11.1M108,0000.7%
The Realreal Inc(REAL)COM88339P101$11.1M940,0000.7%
Cogent Biosciences Inc(COGT)COM19240Q201$10.5M272,0000.7%
BWX Technologies Inc(BWXT)COM05605H100$10.5M54,0000.7%
Amazon COM Inc(AMZN)COM023135106$10.5M44,0000.7%
BBB Foods Inc(TBBB)CL A COMG0896C103$10.4M250,0000.7%
Axogen Inc(AXGN)COM05463X106$10.2M221,0000.7%
Nokia Corp(NOK)SPONSORED ADR654902204$10.0M750,0000.7%
Oruka Therapeutics Inc(ORKA)COM687604108$9.5M100,0000.6%
TTM Technologies Inc(TTMI)COM87305R109$9.4M50,0000.6%
Charles RIV Labs Intl Inc(CRL)COM159864107$8.6M38,0000.6%
Alkermes PLC(ALKS)CallSHSG01767105$8.4M1,6000.6%
ACM Resh Inc(ACMR)COM CL A00108J109$8.0M63,0000.5%
Roivant Sciences LTD(ROIV)SHSG76279101$7.7M217,0000.5%
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