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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
GRIFFIN ASSET MANAGEMENT, INC.8,286$7.75M0.82%-41313F-HRTimeline
ZEVENBERGEN CAPITAL INVESTMENTS LLC8,203$7.67M0.18%-4513F-HRTimeline
Engineers Gate Manager LP8,172$7.64M0.1%-12,51613F-HRTimeline
Secure Asset Management, LLC8,155$7.63M1.07%-59913F-HRTimeline
Frank, Rimerman Advisors LLC8,149$7.62M0.43%-20213F-HRTimeline
Joel Isaacson & Co., LLC8,137$7.61M0.22%+46713F-HRTimeline
Fairfield Financial Advisors, LTD8,135$7.61M3%-2813F-HRTimeline
Quotient Wealth Partners, LLC8,083$7.56M0.18%-38213F-HRTimeline
StrongBox Wealth, LLC8,080$7.56M2.15%+2813F-HRTimeline
Tema ETFs LLC8,067$7.55M0.24%+72513F-HRTimeline
TOWNSEND ASSET MANAGEMENT CORP /NC/ /ADV8,055$7.54M2.42%-4213F-HRTimeline
DENALI ADVISORS LLC8,050$7.53M0.76%-56913F-HRTimeline
Stenger Family Office, LLC8,048$7.53M1.2%-89513F-HRTimeline
ROCKLAND TRUST CO8,043$7.52M0.3%-11913F-HRTimeline
LAKE STREET PRIVATE WEALTH, LLC8,039$7.52M0.86%-11713F-HRTimeline
SCHMIDT P J INVESTMENT MANAGEMENT INC8,029$7.51M1.17%-1313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…8,020$7.5M0.18%-11,89313F-HRTimelineGroup
Confluence Wealth Services, Inc.8,020$7.5M0.21%+1,34713F-HRTimeline
Eastover Investment Advisors LLC8,007$7.49M2.95%+7713F-HRTimeline
MMBG INVESTMENT ADVISORS CO.8,005$7.49M0.59%-69413F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…8,000$7.48M0.04%+74513F-HRTimelineGroup
Petix & Botte Co7,984$7.47M1.5%+3,99213F-HRTimeline
Koshinski Asset Management, Inc.7,976$7.46M0.4%+1,07813F-HRTimeline
Fischer Financial Services, Inc.7,976$7.46M1.87%+7113F-HRTimeline
Cove Private Wealth, LLC7,969$7.45M1.44%+3,40013F-HRTimeline
Fiduciary Alliance LLC7,941$7.43M0.5%-65813F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.7,939$7.43M0.51%+4013F-HRTimeline
BURNEY CO/7,937$7.43M0.2%+4,98713F-HRTimeline
Entropy Technologies, LP7,925$7.41M0.3%-9,86013F-HRTimeline
Bull Street Advisors, LLC7,915$7.4M3.38%+18213F-HRTimeline
SPIREPOINT PRIVATE CLIENT, LLC7,907$7.4M0.6%-40213F-HRTimeline
Hills Bank & Trust Coin group Hills Bank & Trust Co7,906$7.4M0.31%-13913F-HRTimelineGroup
Hartford Financial Management Inc.7,895$7.39M1.65%-10913F-HRTimeline
CHELSEA COUNSEL CO7,890$7.38M3.13%-25013F-HRTimeline
FAS Wealth Partners, Inc.7,879$7.37M0.38%+51113F-HRTimeline
Pine Valley Investments Ltd Liability Co7,866$7.36M0.31%+6813F-HRTimeline
Rench Wealth Management, Inc.7,792$7.29M1.96%-2113F-HRTimeline
Kovack Advisors, Inc.7,813$7.28M0.35%+3913F-HRTimeline
Bahl & Gaynor LLC7,753$7.25M0.03%-1313F-HRTimeline
SeaCrest Wealth Management, LLC7,744$7.24M0.8%-1,45213F-HRTimeline
SPINNAKER TRUST7,737$7.24M0.35%+5313F-HRTimeline
Catalyst Funds Management Pty Ltd7,720$7.22M0.41%new13F-HRTimeline
Rossmore Private Capital7,714$7.22M0.59%+4713F-HRTimeline
Keystone Wealth Services, LLC7,675$7.18M1.33%-8413F-HRTimeline
Montecito Bank & Trust7,649$7.16M1.07%-26713F-HRTimeline
Carroll Investors, Inc7,587$7.11M3.04%-2513F-HRTimeline
LS Investment Advisors, LLC7,595$7.1M0.96%-17613F-HRTimeline
WS MANAGEMENT LLLP7,568$7.08M0.83%013F-HRTimeline
Quantbot Technologies LP7,554$7.07M0.28%+1,25913F-HRTimeline
Arista Wealth Management, LLC7,505$7.02M0.76%+5413F-HRTimeline
Miller Capital Partners, Inc.7,496$7.01M2.76%-2413F-HRTimeline
Trinity Legacy Partners, LLC7,407$7M1.4%+33213F-HRTimeline
AlpenGlobal Capital LLC7,467$6.99M4.48%-20313F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.7,458$6.98M0.09%+35213F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
ST GERMAIN D J CO INCin group ST GERMAIN D J CO INC7,454$6.97M0.25%-1713F-HRTimelineGroup
Concentric Capital Strategies, LP7,445$6.96M0.43%-2,64813F-HRTimeline
Mission Creek Capital Partners, Inc.7,444$6.96M1.22%+74913F-HRTimeline
Patriot Financial Group Insurance Agenc…7,424$6.94M0.71%-6,43413F-HRTimeline
RMR Wealth Builders7,424$6.94M0.43%+1,23713F-HRTimeline
Grove Bank & Trust7,406$6.93M0.69%+50113F-HRTimeline
Procyon Advisors, LLC7,389$6.91M0.3%+12313F-HRTimeline
Marble Wealth, LLC7,378$6.9M1.06%+1913F-HRTimeline
Capital Asset Advisory Services LLC7,364$6.89M0.25%+48313F-HRTimeline
McKinney Capital Management, LLC7,361$6.89M2.71%new13F-HRTimeline
Cerro Pacific Wealth Advisors LLC7,360$6.89M1.56%+4813F-HRTimeline
COURIER CAPITAL LLC7,358$6.88M0.34%+4213F-HRTimeline
ICICI Prudential Asset Management Co Ltd7,336$6.86M0.75%-2013F-HRTimeline
CAMBIENT FAMILY OFFICE, LLC7,335$6.86M0.84%+23613F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…7,416$6.86M0.41%-36513F-HRTimeline
Westover Capital Advisors, LLC7,331$6.86M1.14%+17413F-HRTimeline
PARR MCKNIGHT WEALTH MANAGEMENT GROUP, …7,310$6.84M0.81%+43413F-HRTimeline
Ayrshire Capital Management LLC7,308$6.84M3.2%-6613F-HRTimeline
S-Bank Fund Management Ltd7,296$6.83M0.93%+2,29613F-HRTimeline
Rehmann Capital Advisory Group7,276$6.81M0.31%-12513F-HRTimeline
EMERALD ADVISERS, LLCgroup of 2 filers holding7,260$6.79M+456Timeline
RAM Investment Partners, LLC7,210$6.74M1.08%-43913F-HRTimeline
Fiduciary Group, LLC7,203$6.74M0.53%-3713F-HRTimeline
Connecticut Wealth Management, LLC7,203$6.74M0.25%-38313F-HRTimeline
180 WEALTH ADVISORS, LLC7,146$6.68M0.67%-7413F-HRTimeline
HENDLEY & CO INC7,092$6.63M2.35%-3613F-HRTimeline
Narwhal Capital Management7,079$6.62M0.46%+33913F-HRTimeline
PECAUT & CO.7,077$6.62M2.02%-5013F-HRTimeline
AdvisorNet Financial, Inc7,071$6.61M0.3%+5213F-HRTimeline
Clear Creek Financial Management, LLC7,044$6.59M0.42%-14313F-HRTimeline
Chronos Wealth Management, LLC7,031$6.58M2.92%-4313F-HRTimeline
MILESTONE ASSET MANAGEMENT, LLC7,030$6.58M1.03%+94113F-HRTimeline
Jasper Ridge Partners, L.P.7,003$6.55M0.14%013F-HR/ATimeline
Indiana Trust & Investment Management Co6,992$6.54M1.79%-29713F-HRTimeline
Gibraltar Capital Management, Inc.6,987$6.54M1.01%+3413F-HRTimeline
DELTA FINANCIAL ADVISORS LLC6,975$6.52M1.55%-15413F-HRTimeline
HighPoint Advisor Group LLC6,971$6.52M0.23%+2113F-HRTimeline
PHYSICIANS FINANCIAL SERVICES, INC.6,943$6.5M1.62%-7013F-HRTimeline
Wealth Group, Ltd.6,943$6.5M1.62%+4,74713F-HRTimeline
BANQUE PICTET & CIE SA6,930$6.48M0.07%-2313F-HRTimeline
Certified Advisory Corp6,923$6.48M0.52%+2213F-HRTimeline
JACKSON SQUARE CAPITAL, LLC6,908$6.46M0.9%+2513F-HRTimeline
RFG Advisory, LLC6,888$6.44M0.1%+83313F-HRTimeline
CX Institutional6,886$6.44M0.19%-2,03613F-HRTimeline
HOLDERNESS INVESTMENTS CO6,874$6.43M1.07%-11713F-HRTimeline
Hudson Value Partners, LLC6,866$6.42M1.61%-11213F-HRTimeline
Blue Trust, Inc.6,859$6.42M0.07%-20013F-HRTimeline
Dana Investment Advisors, Inc.6,836$6.39M0.17%+31513F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC6,831$6.39M0.45%+14213F-HRTimeline
Pacific Sage Partners, LLC6,826$6.39M0.91%-1113F-HRTimeline
BANK OF STOCKTON6,824$6.38M1.79%-9313F-HRTimeline
Covington Investment Advisors Inc.6,804$6.37M0.82%+8913F-HRTimeline
Palumbo Wealth Management LLC6,787$6.35M1.33%-11813F-HRTimeline
DIAMANT ASSET MANAGEMENT, INC.6,751$6.32M4.29%-6,720,14813F-HRTimeline
Wealthcare Advisory Partners LLCgroup of 2 filers holding6,741$6.31M-2,520Timeline
Wedmont Private Capital6,879$6.3M0.17%+8013F-HRTimeline
Sitrin Capital Management LLC6,717$6.28M2.78%-8713F-HRTimeline
Ardent Capital Management, Inc.6,710$6.28M2.61%+19013F-HRTimeline
INSPIRE TRUST CO, N.A.6,700$6.27M0.86%+98513F-HRTimeline
Dorsey & Whitney Trust CO LLC6,684$6.25M0.3%-5913F-HRTimeline
Clearstead Trust, LLC6,674$6.24M0.82%-413F-HRTimeline
HBK Sorce Advisory LLC6,627$6.24M0.12%+5113F-HRTimeline
Numerai GP LLC6,664$6.23M0.51%-23913F-HRTimeline
River Wealth Advisors LLC6,656$6.23M0.65%-13013F-HR/ATimeline
Hillsdale Investment Management Inc.6,648$6.22M0.14%+2,40013F-HRTimeline
Bell & Brown Wealth Advisors, LLC6,640$6.21M1.88%+6013F-HRTimeline
BELLEVUE ASSET MANAGEMENT, LLC6,626$6.2M2.86%-6013F-HRTimeline
AGP FRANKLIN, LLC6,618$6.19M2.68%+15613F-HRTimeline
WOODMONT INVESTMENT COUNSEL LLC6,607$6.18M0.34%-2413F-HRTimeline
WEIK CAPITAL MANAGEMENT6,587$6.16M2.37%-49113F-HRTimeline
Bradyco, Inc.6,564$6.14M7.04%013F-HRTimeline
Parisi Gray Wealth Management6,562$6.14M1.26%-6813F-HRTimeline
WealthPLAN Partners, LLC6,552$6.13M1.17%-1,42413F-HRTimeline
Sage Capital Advisors,llc6,550$6.13M1.27%+14013F-HRTimeline
Asset Planning,Inc6,545$6.12M3.96%-87013F-HRTimeline
TWIN CAPITAL MANAGEMENT INC6,532$6.11M0.67%+2613F-HRTimeline
Continuum Advisory, LLC6,526$6.11M0.49%-66913F-HRTimeline
B. Riley Wealth Advisors, Inc.6,449$6.11M0.33%+8913F-HRTimeline
Morse Asset Management, Inc6,526$6.1M1.01%013F-HRTimeline
BTC Capital Management, Inc.in group BTC Capital Management, Inc.6,469$6.1M0.37%+30313F-HRTimelineGroup
Manhattan West Asset Management, LLC6,516$6.1M1.02%+68513F-HRTimeline
Tranquility Partners, LLC6,508$6.09M2.09%+2113F-HRTimeline
KP Management LLC6,500$6.08M1.27%013F-HRTimeline
Pinnacle Wealth Management Advisory Gro…6,485$6.07M0.36%+15313F-HRTimeline
Tower View Wealth Management LLC6,451$6.03M2.65%-8413F-HRTimeline
Modera Wealth Management, LLC6,450$6.03M0.06%-32813F-HRTimeline
Leelyn Smith, LLC6,446$6.03M0.73%+3813F-HRTimeline
JPL Wealth Management, LLC6,435$6.02M1.19%-7313F-HRTimeline
Sargent Investment Group, LLC6,427$6.01M0.72%+5213F-HRTimeline
KNIGHTSBRIDGE ASSET MANAGEMENT, LLC6,425$6.01M0.79%-33713F-HR/ATimeline
Cohen Klingenstein LLC6,400$5.99M0.17%013F-HRTimeline
First Interstate Bank6,399$5.99M0.31%+2613F-HRTimeline
TCI Wealth Advisors, Inc.6,394$5.98M0.26%+3713F-HRTimeline
Essex Financial Services, Inc.group of 2 filers holding6,362$5.95M-97Timeline
MITCHELL CAPITAL MANAGEMENT CO6,357$5.95M0.9%-9613F-HRTimeline
RiverFront Investment Group, LLC6,356$5.95M0.08%+2,65613F-HRTimeline
Harbour Capital Advisors, LLC6,488$5.94M1.08%-413F-HRTimeline
FORT WASHINGTON INVESTMENT ADVISORS INC…6,344$5.93M0.03%-11913F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…6,339$5.93M0.5%-36313F-HRTimelineGroup
OneAscent Financial Services LLCgroup of 4 filers holding6,332$5.92M+617Timeline
CAPE COD FIVE CENTS SAVINGS BANK6,322$5.91M0.48%13F-HRTimeline
StoneX Group Inc.in group StoneX Group Inc.6,303$5.91M0.24%+87113F-HRTimelineGroup
HALL CAPITAL MANAGEMENT CO INC6,293$5.89M1.83%+28813F-HRTimeline
CONNING INC.in group CONNING INC.6,281$5.88M0.18%+36213F-HRTimelineGroup
AUXIER ASSET MANAGEMENT LLC6,280$5.87M0.79%-9313F-HRTimeline
Sagewood Asset Management LP6,279$5.87M1.33%-17513F-HRTimeline
First Washington CORP6,273$5.87M1.43%-6513F-HR/ATimeline
Alphadyne Asset Management LP6,263$5.86M0.26%+5,31713F-HRTimeline
Mattern Wealth Management LLC6,258$5.85M0.96%+5313F-HRTimeline
Principle Wealth Partners LLC6,246$5.84M0.29%+4113F-HRTimeline
CENTAURUS FINANCIAL, INC.6,241$5.84M0.23%-36113F-HRTimeline
WIMMER ASSOCIATES 1, LLC6,236$5.83M2.64%-4813F-HRTimeline
Leisure Capital Management6,229$5.83M1.82%013F-HRTimeline
First Bank & Trust6,210$5.81M0.85%-1,70613F-HRTimeline
NORTHCAPE WEALTH MANAGEMENT, LLC6,205$5.8M1.52%-6013F-HRTimeline
GILDER GAGNON HOWE & CO LLC6,200$5.8M0.06%-38213F-HRTimeline
Gerber Kawasaki Wealth & Investment Man…6,181$5.78M0.15%+24013F-HRTimeline
LGT Fund Management Co Ltd.6,181$5.78M0.24%+18313F-HRTimeline
Bay Rivers Group6,173$5.77M1.97%+313F-HRTimeline
Carlton Hofferkamp & Jenks Wealth Manag…6,219$5.77M1.86%-9913F-HRTimeline
Avior Wealth Management, LLC6,160$5.76M0.15%-80513F-HRTimeline
MIRAMONTES CAPITAL, LLC6,159$5.76M1.79%+25013F-HRTimeline
REGATTA CAPITAL GROUP, LLC6,155$5.76M0.77%+13213F-HRTimeline
Sava Infond d.o.o.6,150$5.75M0.41%+3,07513F-HRTimeline
Capital Advisors Wealth Management, LLC6,139$5.74M0.67%-3313F-HRTimeline
Galvin, Gaustad & Stein, LLC6,083$5.69M0.42%-15413F-HRTimeline
BNC WEALTH MANAGEMENT, LLC6,062$5.67M1.37%+12713F-HRTimeline
TAGStone Capital, Inc.6,056$5.67M1.8%+813F-HRTimeline
United Bank6,050$5.66M1.72%+3013F-HRTimeline
Cordatus Wealth Management LLC6,042$5.65M1.24%+2813F-HRTimeline
Balboa Wealth Partners6,037$5.65M0.77%-2813F-HRTimeline
NICHOLS & PRATT ADVISERS LLP /MAin group NICHOLS & PRATT ADVISERS LLP …6,022$5.63M0.34%+7013F-HRTimelineGroup
Accent Capital Management, LLC6,020$5.63M2.43%-10313F-HRTimeline
DUNCKER STREETT & CO INC6,005$5.62M0.95%-11813F-HRTimeline
Carnegie Lake Advisors LLC5,992$5.61M2.09%013F-HRTimeline
SWEENEY & MICHEL, LLC5,910$5.6M1.47%-10713F-HRTimeline
Mezzasalma Advisors, LLC5,985$5.6M1.12%+13413F-HRTimeline
LIBERTY ONE INVESTMENT MANAGEMENT, LLC5,962$5.58M0.56%+59113F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC5,954$5.57M0.29%-1,34513F-HRTimeline
Connective Capital Management, LLC5,935$5.55M3.91%+5,62113F-HRTimeline
SITTNER & NELSON, LLC5,929$5.55M1.75%-36913F-HRTimeline
Trivium Point Advisory, LLC5,913$5.53M0.5%+64913F-HRTimeline
QUEST INVESTMENT MANAGEMENT LLC5,906$5.52M0.65%-1,49413F-HRTimeline
Westerkirk Capital Inc.5,882$5.5M0.53%013F-HRTimeline
PFC CAPITAL GROUP, INC.5,878$5.5M2.11%-1113F-HRTimeline
NAVELLIER & ASSOCIATES INC5,874$5.49M0.44%-7713F-HRTimeline