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Disclosery

COST COSTCO WHOLESALE CORPORATION

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COM (common), issuer CIK 909832

4,189 managers (4,262 13F filers) reported a position in COST shares at 2026-06-30, 322,797,428 shares in all. 140 filers opened a position and 158 filers sold out during the quarter.

Managers
4,189
13F filers
4,262
New
140
Added
1,735
Reduced
1,738
Sold out
158
Shares held by filers
322,797,428

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
B & T Capital Management DBA Alpha Capi…3,343$3.13M0.41%+1313F-HRTimeline
Altshuler Shaham Ltd3,337$3.12M0.04%+71913F-HRTimeline
Inscription Capital, LLC3,337$3.12M0.28%+12813F-HRTimeline
BCM ADVISORS, LLC3,335$3.12M0.61%013F-HRTimeline
MONEY CONCEPTS CAPITAL CORP3,330$3.11M0.14%-5213F-HRTimeline
Evergreen Wealth Partners LLC3,327$3.11M1.87%+1,28413F-HRTimeline
EADS & HEALD WEALTH MANAGEMENT3,323$3.11M1.52%-24613F-HRTimeline
SCS Capital Management LLC3,318$3.1M0.03%-5213F-HRTimeline
Fairbanks Capital Management, Inc.3,316$3.1M1.84%-9113F-HRTimeline
Wellington Shields Capital Management, …group of 2 filers holding3,315$3.1M+195Timeline
Westhampton Capital, LLC3,312$3.1M1.29%-213F-HRTimeline
BENEDICT FINANCIAL ADVISORS INC3,301$3.09M0.6%-8313F-HRTimeline
Pointe Capital Management LLC3,292$3.08M1.38%+713F-HRTimeline
AFT, FORSYTH & COMPANY, INC.3,288$3.08M1.48%-21513F-HRTimeline
SAX WEALTH ADVISORS, LLC3,083$3.07M0.12%+1,37113F-HRTimeline
Independence Bank of Kentucky3,284$3.07M0.35%-5213F-HRTimeline
Beaumont Financial Advisors, LLC3,279$3.07M0.2%-713F-HRTimeline
New Republic Capital, LLC3,273$3.06M0.71%+2,47113F-HRTimeline
Peloton Wealth Strategists3,265$3.05M1.13%+113F-HRTimeline
STRATEGY ASSET MANAGERS LLC3,262$3.05M0.46%-4913F-HRTimeline
Strategic Investment Solutions, Inc. /IL3,258$3.05M0.7%+513F-HRTimeline
Elmwood Wealth Management, Inc.3,256$3.05M0.76%-4513F-HRTimeline
Armstrong, Fleming & Moore, Inc3,248$3.04M1.01%+12013F-HRTimeline
Sculati Wealth Management, LLC3,229$3.04M1.01%-1013F-HRTimeline
Manchester Capital Management LLC3,247$3.04M0.4%-113F-HRTimeline
SIGNATURE ESTATE & INVESTMENT ADVISORS …in group SIGNATURE ESTATE & INVESTMENT…3,243$3.03M0.05%-33413F-HRTimelineGroup
Proficio Capital Partners LLC3,239$3.03M0.11%+2,03713F-HRTimeline
Commonwealth Financial Services, LLC5,264$3.03M0.41%+2,21013F-HRTimeline
Carl P. Sherr & Co., LLC3,230$3.02M1.27%013F-HRTimeline
Advisor OS, LLCin group Advisor OS, LLC3,225$3.02M0.2%-10113F-HRTimelineGroup
Shelter Rock Management, LLC3,218$3.01M2.92%+2113F-HRTimeline
Parkside Financial Bank & Trust3,215$3.01M0.21%+4113F-HRTimeline
Facet Wealth, Inc.3,215$3.01M0.04%+61213F-HRTimeline
EARNED WEALTH ADVISORS, LLC3,207$3M0.19%-95413F-HRTimeline
CHANNEL WEALTH LLC3,205$3M0.67%-40013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC3,200$2.99M0.06%+1,27813F-HRTimeline
Cladis Investment Advisory, LLC3,198$2.99M1.4%-1013F-HRTimeline
TOCQUEVILLE ASSET MANAGEMENT L.P.in group TOCQUEVILLE ASSET MANAGEMENT …3,185$2.98M0.04%-3113F-HRTimelineGroup
Sandro Wealth Management LLC3,176$2.97M2.15%+10613F-HRTimeline
Insight Advisors, LLC/ PA3,169$2.97M0.52%-19713F-HRTimeline
Purkiss Capital Advisors LLC3,161$2.96M1.13%+1,50313F-HRTimeline
FOUNDERS FINANCIAL SECURITIES LLC3,160$2.96M0.15%-11913F-HRTimeline
Torrey Growth & Income Advisors3,146$2.96M1%+20013F-HRTimeline
CNB Bank3,160$2.96M1.15%+6113F-HRTimeline
SS&H Financial Advisors, Inc.3,155$2.95M0.75%13F-HRTimeline
Hilltop Partners LLC3,151$2.95M0.71%+45813F-HRTimeline
New Age Alpha Advisors, LLC3,134$2.93M0.12%-2,16813F-HRTimeline
Lakeshore Capital Group, Inc.3,132$2.93M2.17%-4213F-HRTimeline
Alta Wealth Advisors LLC3,123$2.92M0.79%-113F-HRTimeline
DB&C Advisors, LLC3,109$2.91M3.15%+213F-HRTimeline
Clear Harbor Asset Management, LLC3,108$2.91M0.18%+55013F-HRTimeline
Prestige Wealth Management Group LLC3,104$2.9M0.53%+49113F-HRTimeline
Valley Brook Capital Group, Inc.3,100$2.9M1.64%+7013F-HRTimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.3,095$2.9M0.1%-22113F-HRTimelineGroup
Chemistry Wealth Management LLC3,087$2.89M0.46%+813F-HRTimeline
RNC CAPITAL MANAGEMENT LLC3,087$2.89M0.12%-1513F-HRTimeline
FIGURE 8 INVESTMENT STRATEGIES LLC3,082$2.88M2.44%-4413F-HRTimeline
Frec Markets, Inc.in group Frec Markets, Inc.3,082$2.88M0.26%+20113F-HRTimelineGroup
EDMOND DE ROTHSCHILD HOLDING S.A.in group EDMOND DE ROTHSCHILD HOLDING …3,081$2.88M0.04%+79613F-HRTimelineGroup
Tradition Wealth Management, LLC3,079$2.88M0.18%-2613F-HRTimeline
Avalon Trust Co3,077$2.88M0.18%013F-HRTimeline
ST. NICHOLAS PRIVATE ASSET MANAGEMENT, …3,075$2.88M2.51%+12013F-HRTimeline
Value Partners Investments Inc.3,078$2.88M0.2%new13F-HRTimeline
Cornerstone Advisory, LLC3,069$2.87M0.24%-213F-HRTimeline
CHATHAM CAPITAL GROUP, INC.3,064$2.87M0.37%-4013F-HRTimeline
Third View Private Wealth, LLC3,050$2.85M0.35%+22413F-HRTimeline
MITCHELL & PAHL PRIVATE WEALTH, LLC3,050$2.85M1.05%+5913F-HRTimeline
Mainsail Financial Group, LLC3,047$2.85M0.97%+2213F-HRTimeline
WESTPAC BANKING CORPin group WESTPAC BANKING CORP3,047$2.85M0.18%+2,06213F-HRTimelineGroup
WOODARD & CO ASSET MANAGEMENT GROUP INC…3,039$2.84M0.41%+11213F-HRTimeline
VERUS CAPITAL PARTNERS, LLC3,028$2.83M0.15%-613F-HRTimeline
Summit Place Financial Advisors, LLC3,019$2.82M1.24%+14613F-HRTimeline
C2P Capital Advisory Group, LLC d.b.a. …3,009$2.81M0.14%-46713F-HRTimeline
Visionary Wealth Advisors2,999$2.81M0.11%-213F-HRTimeline
U S WEALTH GROUP, LLC.2,995$2.8M1.68%+44913F-HRTimeline
WESTBOURNE INVESTMENTS, INC.2,992$2.8M1.14%-7513F-HRTimeline
Davidson Capital Management Inc.2,988$2.8M0.45%+5113F-HRTimeline
CPWA, LLC2,984$2.79M3.24%+413F-HRTimeline
Aft, Forsyth & Sober, LLC2,800$2.79M0.87%013F-HRTimeline
Olde Wealth Management, LLC2,981$2.79M0.79%-613F-HRTimeline
Cornell Pochily Investment Advisors, In…2,980$2.79M0.75%+1413F-HRTimeline
Quadrant Private Wealth Management, LLC2,978$2.79M0.62%-4813F-HRTimeline
JM2 Capital Inc.2,973$2.78M1.91%-613F-HRTimeline
ATTICUS WEALTH MANAGEMENT, LLC2,971$2.78M0.66%-10213F-HRTimeline
GRAYBILL WEALTH MANAGEMENT, LTD.2,970$2.78M0.75%-15313F-HRTimeline
Wealth Management Partners, LLC2,967$2.78M0.65%-413F-HRTimeline
MAIRS & POWER INC2,963$2.77M0.03%013F-HRTimeline
Fisher Funds Management LTD2,959$2.77M0.08%new13F-HRTimeline
First County Bank /CT/2,959$2.77M1.3%+1413F-HRTimeline
Fortis Group Advisors, LLC2,957$2.77M0.44%-6513F-HRTimeline
BlackDiamond Wealth Management, LLC2,895$2.76M1.12%-6013F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.2,948$2.76M1.04%-6513F-HRTimeline
Capital Investment Advisory Services, L…2,945$2.76M0.17%+15313F-HRTimeline
Hixon Zuercher, LLC2,938$2.75M0.81%-2713F-HRTimeline
CUTLER INVESTMENT COUNSEL LLC2,936$2.75M0.26%-1713F-HRTimeline
COMMONS CAPITAL, LLC2,920$2.73M1.91%+4313F-HRTimeline
CGN Advisors LLC2,916$2.73M0.2%+5413F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd2,910$2.72M0.04%+2,38513F-HRTimelineGroup
Agate Pass Investment Management, LLC2,903$2.72M1%-30513F-HRTimeline
NAPLES GLOBAL ADVISORS, LLC2,903$2.72M0.17%+10713F-HRTimeline
Stokes Family Office, LLC2,902$2.72M0.32%-11113F-HRTimeline
FOCUSED ALPHA, LLC2,900$2.71M0.7%+1113F-HRTimeline
INTEGRAL INVESTMENT ADVISORS, INC.2,898$2.71M0.6%+4413F-HRTimeline
FWL INVESTMENT MANAGEMENT, LLC2,893$2.71M0.5%-9913F-HRTimeline
Plancorp, LLC2,920$2.71M0.07%+72113F-HRTimeline
One Degree Advisors Inc2,925$2.7M0.6%-1613F-HRTimeline
Seneschal Advisors, LLC2,890$2.7M1.85%-2913F-HRTimeline
Strategic Financial Services, Inc.2,883$2.7M0.12%-9513F-HRTimeline
Root Financial Partners, LLC2,872$2.69M0.1%+49213F-HRTimeline
AlphaStar Capital Management, LLC2,870$2.69M0.17%+21313F-HRTimeline
TOTH FINANCIAL ADVISORY CORP2,862$2.68M0.26%+31513F-HRTimeline
Vivid Wealth Management, LLC2,852$2.67M0.94%+6413F-HRTimeline
GUIDANCE CAPITAL, INC2,821$2.67M0.57%-2613F-HRTimeline
Supplemental Annuity Collective Trust o…2,846$2.66M0.68%-15513F-HRTimeline
BBR PARTNERS, LLC2,839$2.66M0.12%-7113F-HRTimeline
Advisory Alpha, LLC2,835$2.66M0.07%-213F-HRTimeline
PCM Encore, LLC2,838$2.65M0.47%+6013F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC2,831$2.65M0.05%+13513F-HRTimeline
Farmers & Merchants Trust Co of Chamber…2,830$2.65M0.67%-6813F-HRTimeline
NovaPoint Capital, LLC2,826$2.64M0.55%+9713F-HRTimeline
SMITH CHAS P & ASSOCIATES PA CPASin group SMITH CHAS P & ASSOCIATES PA …2,826$2.64M0.13%-55013F-HRTimelineGroup
CIDEL ASSET MANAGEMENT INC2,825$2.64M0.13%+13913F-HRTimeline
United Asset Strategies, Inc.2,816$2.63M0.19%-13713F-HRTimeline
Apriem Advisors2,815$2.63M0.23%-23713F-HRTimeline
Quent Capital, LLC2,815$2.63M0.16%-16113F-HRTimeline
Icon Wealth Advisors, LLC2,814$2.63M0.16%+1813F-HRTimeline
Patrick Mauro Investment Advisor, INC.2,812$2.63M1.32%-4513F-HRTimeline
Optas, LLC2,812$2.63M0.37%+8013F-HRTimeline
Portside Wealth Group, LLC2,811$2.63M0.31%+4213F-HRTimeline
CCG WEALTH MANAGEMENT, LLC2,809$2.63M0.61%-1613F-HRTimeline
ARS Wealth Advisors Group, LLC2,802$2.62M0.21%-1013F-HRTimeline
CASTLEARK MANAGEMENT LLC2,800$2.62M0.07%013F-HRTimeline
Strategies Wealth Advisors, LLC2,798$2.62M0.23%+1713F-HRTimeline
Financial Synergies Wealth Advisors, In…2,796$2.62M0.22%+1313F-HRTimeline
Grandview Asset Management LLC2,794$2.61M0.65%-2413F-HRTimeline
Hudson Canyon Capital Management2,789$2.61M1.4%-9013F-HRTimeline
GROUP ONE TRADING LLC2,782$2.6M0.08%new13F-HRTimeline
X-Square Capital, LLC2,782$2.6M0.66%+9213F-HRTimeline
VISTA CAPITAL PARTNERS, INC.2,769$2.59M0.23%-19613F-HRTimeline
Global Trust Asset Management, LLC2,767$2.59M0.81%+1213F-HRTimeline
Marion Wealth Management2,765$2.59M0.53%+11413F-HRTimeline
Alpha Family Trustin group Alpha Family Trust2,765$2.59M1.04%-21013F-HRTimelineGroup
Greenline Partners, LLC2,763$2.58M0.26%013F-HRTimeline
SMITHBRIDGE ASSET MANAGEMENT INC/DE2,760$2.58M0.35%-53313F-HRTimeline
Prudent Man Advisors, LLC2,758$2.58M0.59%+26613F-HRTimeline
Strategic Blueprint, LLC2,757$2.58M0.13%-51813F-HRTimeline
Legacy Bridge, LLC2,751$2.57M0.79%+2613F-HRTimeline
Trace Wealth Advisors, LLC2,748$2.57M1.68%013F-HRTimeline
Ethos Financial Group, LLC2,662$2.57M0.17%-9413F-HRTimeline
Beutel, Goodman & Co Ltd.2,745$2.57M0.02%-35413F-HRTimeline
Portfolio Design Labs, LLC2,739$2.56M0.42%-22713F-HRTimeline
PARAGON FINANCIAL PARTNERS, INC.2,689$2.56M1.38%+113F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV2,735$2.56M0.12%+44913F-HRTimeline
Rydar Equities, Inc.2,720$2.55M1.44%+34913F-HRTimeline
Ascentis Wealth Management, LLCgroup of 2 filers holding2,717$2.55M-9,007Timeline
Accredited Investors Inc.2,722$2.55M0.11%-11613F-HRTimeline
Financial Life Planners2,715$2.54M1.63%+1013F-HRTimeline
E Fund Management (Hong Kong) Co., Ltd.2,714$2.54M0.84%+88113F-HRTimeline
360 Financial, Inc.2,714$2.54M0.64%+213F-HRTimeline
Viewpoint Capital Management LLC2,710$2.54M1.29%013F-HRTimeline
Realta Investment Advisors2,710$2.53M0.79%+25013F-HRTimeline
MANCHESTER FINANCIAL INC2,707$2.53M0.45%-22313F-HRTimeline
D.B. Root & Company, LLC2,702$2.53M0.54%-15013F-HRTimeline
NORTHSTAR ASSET MANAGEMENT Co2,688$2.51M0.47%-2213F-HRTimeline
LEAVELL INVESTMENT MANAGEMENT, INC.2,671$2.5M0.09%013F-HRTimeline
Bank of Marin2,670$2.5M1.74%-18013F-HRTimeline
Redhawk Wealth Advisors, Inc.2,664$2.49M0.25%-213F-HRTimeline
SC&H Financial Advisors, Inc.2,664$2.49M0.33%013F-HRTimeline
Westview Management dba Westview Invest…2,661$2.49M1.22%+4813F-HRTimeline
Northwest Quadrant Wealth Management, L…2,659$2.49M0.46%-1813F-HRTimeline
Cache Advisors, LLC2,654$2.48M0.21%+1,00213F-HRTimeline
Valmark Advisers, Inc.2,651$2.48M0.03%+5813F-HRTimeline
LEE DANNER & BASS INC2,650$2.48M0.14%-1313F-HRTimeline
OLD SECOND NATIONAL BANK OF AURORA2,648$2.48M0.47%-6913F-HRTimeline
FULTON BREAKEFIELD BROENNIMAN LLC2,641$2.47M0.15%-3313F-HRTimeline
Northwest & Ethical Investments L.P.2,641$2.47M0.06%-1,87013F-HRTimeline
Truvestments Capital LLC2,641$2.47M0.37%+2013F-HRTimeline
JFS WEALTH ADVISORS, LLC2,636$2.47M0.12%-313F-HRTimeline
Financial Insights, Inc.2,632$2.46M0.65%+2913F-HRTimeline
AlTi Global, Inc.in group AlTi Global, Inc.2,620$2.45M0.05%-12313F-HRTimelineGroup
Acorns Advisers, LLC2,618$2.45M0.02%+42913F-HRTimeline
Iron Gate Global Advisors LLC2,618$2.45M0.24%+79113F-HRTimeline
Samara Investment Management, LLC2,617$2.45M2.25%+3413F-HRTimeline
FLC Capital Advisors2,617$2.45M0.4%+20013F-HRTimeline
INVESTMENT ADVISORY SERVICES INC /TX /A…2,614$2.45M0.7%-513F-HRTimeline
Xcel Wealth Management, LLC2,612$2.44M0.58%-40713F-HRTimeline
Longaeva Partners L.P.2,612$2.44M0.07%+11213F-HRTimeline
AA Financial Advisors, LLC2,606$2.44M0.29%+3013F-HRTimeline
Hamrick Investment Counsel, llc2,603$2.44M1.61%-1,07113F-HRTimeline
BOCHK Asset Management Ltd2,600$2.43M0.38%-8,00013F-HRTimeline
WALTER & KEENAN WEALTH MANAGEMENT LLC /…2,598$2.43M0.6%-2813F-HRTimeline
Forza Wealth Management, LLC2,598$2.43M0.75%013F-HRTimeline
Herold Advisors, Inc.2,590$2.43M0.48%+2313F-HRTimeline
High Net Worth Advisory Group LLC2,592$2.43M0.52%+3113F-HRTimeline
United Advisor Group, LLC2,588$2.42M0.26%-8513F-HRTimeline
Malaga Cove Capital, LLC2,587$2.42M0.77%+4413F-HRTimeline
Fox Hill Wealth Management2,585$2.42M0.97%+413F-HRTimeline
Ted Buchan & Co2,584$2.42M0.79%+7513F-HRTimeline
Farrow Financial, Inc.2,581$2.41M1.29%+2413F-HRTimeline
S&CO INC2,575$2.41M0.14%013F-HRTimeline