Atika Capital Management LLC 13F Holdings

CIK 0001599731 · NEW YORK, NY

As of Sep 30, 2025, Atika Capital Management LLC reported 258 positions worth .2B in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
VERTIV HOLDINGS COVRTIndustrials613,100$92.5M7.64%
AMAZON.COM INCAMZNEquity397,049$87.2M7.20%
MICROSOFT CORPMSFTTechnology165,000$85.5M7.06%
SPOTIFY TECHNOLOGY SASPOTCommunication Services62,870$43.9M3.62%
MARTIN MARIETTA MATERIALS INCMLMBasic Materials68,483$43.2M3.56%
BWX TECHNOLOGIES INCBWXTIndustrials217,400$40.1M3.31%
ECHOSTAR CORPSATSTechnology61,954$34.8M2.88%
ARISTA NETWORKS INCANETTechnology231,208$33.7M2.78%
SEAGATE TECHNOLOGY HOLDINGS PLCSTXTechnology118,294$32.6M2.69%
ELI LILLY & COLLYHealthcare41,100$31.4M2.59%
CONSTELLATION ENERGY CORPCEGUtilities94,800$31.2M2.58%
TALEN ENERGY CORPTLNUtilities69,300$29.5M2.43%
GE VERNOVA INCGEVUtilities42,439$26.1M2.15%
META PLATFORMS INCMETACommunication Services35,500$26.1M2.15%
INTUITIVE SURGICAL INCISRGHealthcare57,236$25.6M2.11%
VISTRA CORPVSTUtilities123,000$24.1M1.99%
CYBERARK SOFTWARE LTDCYBRTechnology44,855$21.7M1.79%
NETFLIX INCNFLXCommunication Services18,000$21.6M1.78%
CLOUDFLARE INCNETTechnology98,010$21.0M1.74%
NEBIUS GROUP NVNBISCommunication Services179,880$20.2M1.67%
ROBLOX CORPRBLXCommunication Services142,500 9.7M1.63%
VERONA PHARMA PLCVRNAHealthcare176,000 8.8M1.55%
MERCADOLIBRE INCMELIConsumer Cyclical7,930 8.5M1.53%
ROBINHOOD MARKETS INC - AHOODEquity121,000 7.3M1.43%
GLAUKOS CORPGKOSHealthcare212,400 7.3M1.43%