account_balance
Investment manager · 13F filer · SEC CIK 1599731
Atika Capital Management LLC
Reported value$1.02Bas of Sep 30, 2026
Positions70 33 new, 25 sold out
Top 10 weight55.8%VRT alone is 16%
FiledNov 1344 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
VRTVertiv Holdings Co
15.7%
AMDAdvanced Micro Devices Inc
8.0%Added +40%
STXSeagate Technology Holdings PLC
7.1%
LLYELI Lilly & Co
5.3%Added +15%
INTCIntel Corp
4.3%Added +40%
GHGuardant Health, Inc.
3.5%Added +12%
ISRGIntuitive Surgical Inc
3.5%Added +52%
SITMSitime Corp
3.2%Added +233%
ECHOEchoStar CORP
3.0%Added +4%
AMZNAmazon.com Inc
2.1%
CIENCiena Corp
1.9%
TWST1.7%VRTVertiv Holdings Co
15.7%
AMDAdvanced Micro Devices Inc
8.0%
STXSeagate Technology Holdings PLC
7.1%
LLYELI Lilly & Co
5.3%+15%
INTCIntel Corp
4.3%+40%
GHGuardant Health, Inc.
3.5%
ISRGIntuitive Surgical Inc
3.5%
SITMSitime Corp
3.2%
ECHO3.0%AMZN2.1%CIEN1.9%Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
VRT Vertiv Holdings Co 15.7% HeldAMD Advanced Micro Devices Inc 8.0% Added +40%STX Seagate Technology Holdings PLC 7.1% HeldLLY ELI Lilly & Co 5.3% Added +15%INTC Intel Corp 4.3% Added +40%GH Guardant Health, Inc. 3.5% Added +12%ISRG Intuitive Surgical Inc 3.5% Added +52%SITM Sitime Corp 3.2% Added +233%ECHO EchoStar CORP 3.0% Added +4%AMZN Amazon.com Inc 2.1% Added +93%CIEN Ciena Corp 1.9% Added +11%TWST Twist Bioscience Corp 1.7% Trimmed −18%
What changed
Biggest moves since Jun 30, 2026
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