COSTCO WHOLESALE CORPORATION (COST): Institutional Ownership

Hedge funds and institutional managers reporting a position in COST · Consumer Staples. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
31
13F filers
Aggregate Value
$5.9B
Across holders
Last Price
$952.54
2026-06-26
Sector
Consumer Staples
GICS
Holder activity4 new11 added15 reduced
Institutional Holders of COST
31 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager3.22M$3.2B54.6%1.1%Added+$43.4MQ1 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund875K$871.7M14.8%0.7%Added+$613.5MQ1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund435K$433.8M7.4%0.1%Reduced$-865.2MQ1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund398K$396.3M6.7%0.6%Added+$8.1MQ1 2026
Man Group plc
CIK 0001637460
Hedge Fund352K$350.5M6.0%0.6%Added+$330.5MQ1 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund181K$180.2M3.1%0.2%Reduced$-55.5MQ1 2026
Eisler Capital (UK) Ltd.
CIK 0001849486
Hedge Fund97K$86.3M1.5%0.4%Added+$67.0MQ3 2024
Walleye Capital LLC
CIK 0001758720
Hedge Fund41K$41.1M0.7%0.2%Added+$5.0MQ1 2026
STEADFAST CAPITAL MANAGEMENT LP
CIK 0001214822
Hedge Fund41K$40.6M0.7%1.4%Reduced$-67.7MQ1 2026
MARKEL CORP (MKL)
CIK 0001096343
Hedge Fund39K$39.0M0.7%0.3%Unchanged+$0Q1 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund35K$35.2M0.6%0.2%Added+$32.1MQ1 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund28K$27.5M0.5%0.1%Reduced$-2.7MQ1 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund21K$20.7M0.4%0.2%NewQ1 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund19K$19.4M0.3%0.0%Reduced$-671.2MQ1 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund19K$18.9M0.3%0.2%Added+$12.0MQ1 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund18K$17.6M0.3%0.1%Reduced$-5.5MQ1 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund17K$17.3M0.3%0.1%Reduced$-2.7MQ1 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund17K$17.0M0.3%0.0%Reduced$-5.6MQ1 2026
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund16K$15.6M0.3%0.3%Added+$13.8MQ1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund8K$8.2M0.1%0.0%Reduced$-98.6MQ1 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$3.2B· 54.6% of total· 1.1% port· 3.22M sh· +$43.4M QoQ· Q1 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$871.7M· 14.8% of total· 0.7% port· 875K sh· +$613.5M QoQ· Q1 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$433.8M· 7.4% of total· 0.1% port· 435K sh· $-865.2M QoQ· Q1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$396.3M· 6.7% of total· 0.6% port· 398K sh· +$8.1M QoQ· Q1 2026
Man Group plcAdded
Hedge Fund
$350.5M· 6.0% of total· 0.6% port· 352K sh· +$330.5M QoQ· Q1 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$180.2M· 3.1% of total· 0.2% port· 181K sh· $-55.5M QoQ· Q1 2026
Eisler Capital (UK) Ltd.Added
Hedge Fund
$86.3M· 1.5% of total· 0.4% port· 97K sh· +$67.0M QoQ· Q3 2024
Walleye Capital LLCAdded
Hedge Fund
$41.1M· 0.7% of total· 0.2% port· 41K sh· +$5.0M QoQ· Q1 2026
STEADFAST CAPITAL MANAGEMENT LPReduced
Hedge Fund
$40.6M· 0.7% of total· 1.4% port· 41K sh· $-67.7M QoQ· Q1 2026
MARKEL CORP (MKL)Unchanged
Hedge Fund
$39.0M· 0.7% of total· 0.3% port· 39K sh· +$0 QoQ· Q1 2026
Verition Fund Management LLCAdded
Hedge Fund
$35.2M· 0.6% of total· 0.2% port· 35K sh· +$32.1M QoQ· Q1 2026
Bridgewater Associates, LPReduced
Hedge Fund
$27.5M· 0.5% of total· 0.1% port· 28K sh· $-2.7M QoQ· Q1 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$20.7M· 0.4% of total· 0.2% port· 21K sh· QoQ· Q1 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$19.4M· 0.3% of total· 0.0% port· 19K sh· $-671.2M QoQ· Q1 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$18.9M· 0.3% of total· 0.2% port· 19K sh· +$12.0M QoQ· Q1 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$17.6M· 0.3% of total· 0.1% port· 18K sh· $-5.5M QoQ· Q1 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$17.3M· 0.3% of total· 0.1% port· 17K sh· $-2.7M QoQ· Q1 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$17.0M· 0.3% of total· 0.0% port· 17K sh· $-5.6M QoQ· Q1 2026
Ancora Advisors, LLCAdded
Hedge Fund
$15.6M· 0.3% of total· 0.3% port· 16K sh· +$13.8M QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$8.2M· 0.1% of total· 0.0% port· 8K sh· $-98.6M QoQ· Q1 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$7.2M· 0.1% of total· 0.0% port· 7K sh· $-192.1M QoQ· Q1 2026
GAMCO INVESTORS, INC. ET ALAdded
Institutional Manager
$6.9M· 0.1% of total· 0.1% port· 7K sh· +$380K QoQ· Q1 2026
MAVERICK CAPITAL LTDNew
Hedge Fund
$2.5M· 0.0% of total· 0.0% port· 3K sh· QoQ· Q4 2025
ICONIQ Capital, LLCNew
Family Office
$2.4M· 0.0% of total· 0.0% port· 2K sh· QoQ· Q2 2025
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$2.4M· 0.0% of total· 0.0% port· 2K sh· $-148K QoQ· Q1 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$2.3M· 0.0% of total· 0.1% port· 2K sh· $-94K QoQ· Q1 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$1.8M· 0.0% of total· 0.1% port· 2K sh· +$46K QoQ· Q1 2026
HARRIS ASSOCIATES L PReduced
Institutional Manager
$361K· 0.0% of total· 0.0% port· 362 sh· $-293K QoQ· Q1 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$299K· 0.0% of total· 0.0% port· 300 sh· $-37.8M QoQ· Q1 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$207K· 0.0% of total· 0.0% port· 208 sh· $-1.3M QoQ· Q1 2026
Pinpoint Asset Management LtdNew
Hedge Fund
$6K· 0.0% of total· 0.0% port· 7 sh· QoQ· Q3 2024
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