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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
Violich Capital Management, Inc.46,734$43.7M4.76%-1,67013F-HRTimeline
ALLSTATE CORPin group ALLSTATE CORP46,731$43.7M0.44%+78713F-HRTimelineGroup
TRILLIUM ASSET MANAGEMENT, LLC46,491$43.5M1.34%-97,32213F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…46,485$43.5M0.42%new13F-HRTimelineGroup
Cumberland Partners Ltdin group Cumberland Partners Ltd46,434$43.4M2.81%+90213F-HRTimelineGroup
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD46,338$43.3M0.22%-14,92013F-HRTimelineGroup
Baltimore-Washington Financial Advisors…45,501$42.6M1.59%+24713F-HRTimeline
Clark Capital Management Group, Inc.45,489$42.6M0.23%+37,34713F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …44,748$42.1M0.03%+1,63613F-HRTimelineGroup
FOSTER DYKEMA CABOT & PARTNERS, LLC44,950$42M2.44%-13913F-HRTimeline
Merit Financial Group, LLC44,872$42M0.26%+2,84513F-HR/ATimeline
BRIDGES INVESTMENT MANAGEMENT INC44,758$41.9M0.51%-25113F-HRTimeline
Prime Capital Investment Advisors, LLC44,718$41.8M0.41%-1,01113F-HRTimeline
Equitable Holdings, Inc.in group Equitable Holdings, Inc.44,508$41.6M0.25%-3,74013F-HRTimelineGroup
Mesirow Financial Investment Management…44,331$41.5M0.65%+1,03613F-HRTimeline
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …43,755$40.9M1.36%+5613F-HRTimelineGroup
WORLDLY PARTNERS MANAGEMENT, LLC43,268$40.5M33.07%-6,60613F-HRTimeline
MEITAV INVESTMENT HOUSE LTDin group MEITAV INVESTMENT HOUSE LTD43,071$40.3M0.27%+18,65813F-HRTimelineGroup
EXCHANGE TRADED CONCEPTS, LLC42,759$40M0.2%+16,38613F-HR/ATimeline
Vident Advisory, LLCin group Vident Advisory, LLC42,556$39.8M0.3%+3,12613F-HRTimelineGroup
Raiffeisen Bank International AGin group Raiffeisen Bank International…42,006$39.8M0.47%+33,33913F-HRTimelineGroup
YHB Investment Advisors, Inc.42,112$39.4M2.52%+49713F-HRTimeline
ZACKS INVESTMENT MANAGEMENT41,881$39.2M0.28%+85113F-HRTimeline
CHILTON CAPITAL MANAGEMENT LLC41,685$39M1.23%-32813F-HRTimeline
Union Bancaire Privee, UBP SA34,607$38.8M0.42%-1,58313F-HRTimeline
ADELL HARRIMAN & CARPENTER INC40,762$38.1M1.95%+46613F-HRTimeline
Howard Capital Management, LLC40,505$37.9M0.45%+28,99613F-HRTimeline
Fiduciary Trust Coin group Fiduciary Trust Co40,475$37.9M0.41%-82913F-HRTimelineGroup
AEGON ASSET MANAGEMENT UK Plc40,293$37.7M0.4%+8,58213F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
BAILARD, INC.40,082$37.5M0.76%+56013F-HRTimeline
Randolph Co Inc40,078$37.5M3.16%+413F-HRTimeline
Freestone Capital Holdings, LLCin group Freestone Capital Holdings, L…40,019$37.4M0.97%+28413F-HRTimelineGroup
MARCO INVESTMENT MANAGEMENT LLC39,988$37.4M2.46%-21913F-HRTimeline
Kentucky Retirement Systemsgroup of 2 filers holding39,649$37.1M-8,105Timeline
Optiver Holding B.V.in group Optiver Holding B.V.39,344$36.8M0.53%new13F-HRTimelineGroup
Investment Management Corp of Ontario39,266$36.7M0.46%-99113F-HRTimeline
Cresset Asset Management, LLC39,195$36.7M0.13%+5,24813F-HRTimeline
Markel Group Inc.in group Markel Group Inc.39,150$36.6M0.28%013F-HRTimelineGroup
Advisors Asset Management, Inc.38,844$36.3M0.55%+1,53913F-HRTimeline
CADINHA & CO LLC38,747$36.2M5.37%+46313F-HRTimeline
Annex Advisory Services, LLC38,700$36.2M0.62%-1,41813F-HRTimeline
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…38,236$35.8M0.43%-113F-HRTimelineGroup
PBU - The Pension Fund of Early Childho…37,454$35M0.79%-66,40713F-HRTimeline
PARK NATIONAL CORP /OH/36,751$34.4M0.96%+13213F-HRTimeline
HIGHLAND CAPITAL MANAGEMENT, LLC36,339$34M1.56%-1,61513F-HRTimeline
Trajan Wealth LLC36,292$34M1.28%-1,37313F-HRTimeline
BARLOW WEALTH PARTNERS, LLC35,455$33.8M3.65%+34513F-HRTimeline
PINNACLE ASSOCIATES LTD35,995$33.7M0.37%+9113F-HRTimeline
United American Securities Inc. (d/b/a …in group United American Securities In…35,587$33.3M7.17%-1,75213F-HRTimelineGroup
NewEdge Wealth, LLC35,420$33.1M0.33%+9913F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp35,279$33M0.55%-13213F-HRTimelineGroup
TOKIO MARINE ASSET MANAGEMENT CO LTDin group TOKIO MARINE HOLDINGS, INC.35,164$32.9M1.02%-2,61513F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P35,161$32.9M0.78%-98213F-HRTimeline
DAYMARK WEALTH PARTNERS, LLC34,966$32.7M0.8%+6,95613F-HRTimeline
ExodusPoint Capital Management, LP34,932$32.7M0.3%+14,19313F-HRTimeline
Birch Hill Investment Advisors LLC34,862$32.6M1.32%-17713F-HRTimeline
Blue Chip Partners, LLC34,829$32.6M2.06%+44813F-HRTimeline
Arax Advisory Partners34,743$32.5M0.22%+24,81013F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC34,733$32.5M0.52%+7,89913F-HR/ATimelineGroup
Integrated Wealth Concepts LLC34,598$32.4M0.21%+9,00613F-HR/ATimeline
BAR HARBOR WEALTH MANAGEMENTin group BAR HARBOR WEALTH MANAGEMENT34,418$32.2M1.73%+1513F-HRTimelineGroup
Gulf International Bank (UK) Ltd34,412$32.2M0.63%+8913F-HRTimeline
Cornerstone Advisors, LLC34,287$32.1M1.06%-4,91713F-HRTimeline
AE Wealth Management LLC34,258$32M0.15%-25,38713F-HRTimeline
Lincoln Capital LLC34,211$32M5.69%-33413F-HRTimeline
INDEPENDENT FINANCIAL GROUP, LLC34,019$31.8M0.6%-86813F-HRTimeline
Kranot Hishtalmut Le Morim Ve Gananot H…group of 2 filers holding33,980$31.8M+18,655Timeline
SILVERCREST ASSET MANAGEMENT GROUP LLC33,973$31.8M0.21%-9913F-HRTimeline
DDD Partners, LLC33,927$31.7M1.98%+8,10613F-HRTimeline
Tandem Investment Advisors, Inc.33,676$31.5M2.11%-9,73613F-HRTimeline
PROFUND ADVISORS LLC33,656$31.5M0.87%+1,92513F-HRTimeline
Carnegie Investment Counsel33,613$31.4M0.63%-2,22913F-HRTimeline
Madison Asset Management, LLCin group Madison Asset Management, LLC33,457$31.3M0.37%+41713F-HRTimelineGroup
KILEY JUERGENS WEALTH MANAGEMENT, LLC33,346$31.2M4.88%-20313F-HRTimeline
NorthCrest Asset Manangement, LLC34,080$31.1M0.8%+1,55213F-HRTimeline
RENAISSANCE GROUP LLC33,174$31M1.26%-2,54513F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding33,149$31M+2,836Timeline
CWA Asset Management Group, LLC33,082$30.9M0.95%-27013F-HRTimeline
GENERAL AMERICAN INVESTORS CO INC33,000$30.9M1.87%013F-HRTimeline
Achmea Investment Management B.V.in group Achmea Investment Management …32,954$30.8M0.77%-1,39113F-HRTimelineGroup
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG32,886$30.8M0.27%+2,46113F-HRTimelineGroup
Horizon Investments, LLC32,905$30.7M0.34%-2,71713F-HRTimeline
MISSION WEALTH MANAGEMENT, LP32,546$30.4M0.38%+19,37213F-HRTimeline
Estabrook Capital Management32,433$30.3M4.11%-60713F-HRTimeline
JAG CAPITAL MANAGEMENT, LLC32,150$30.1M2.82%+7,82013F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC31,808$29.8M0.52%+4,96613F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding31,775$29.7M-22,366Timeline
BEESE FULMER INVESTMENT MANAGEMENT, INC.31,554$29.5M1.7%+16313F-HRTimeline
Empirical Capital Management, LLC31,350$29.3M8.01%+20,00013F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC31,314$29.3M0.37%-15813F-HRTimeline
Colonial Trust Advisorsgroup of 2 filers holding31,220$29.2M-458Timeline
HB Wealth Management, LLC31,067$29.1M0.16%+43513F-HRTimeline
Saudi Central Bank31,056$29.1M0.38%+14,67213F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC30,479$28.9M0.54%-5,24013F-HRTimeline
Aptus Capital Advisors, LLC30,798$28.8M0.21%+41713F-HRTimeline
HARVEY INVESTMENT CO LLC30,681$28.7M3.13%-1,06613F-HRTimeline
NEVILLE RODIE & SHAW INC30,371$28.4M1.84%-32013F-HRTimeline
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.30,306$28.4M0.18%-4,70013F-HRTimeline
LYELL WEALTH MANAGEMENT, LP30,240$28.3M1.74%+36613F-HRTimeline
PRUDENTIAL PLCin group PRUDENTIAL PLC30,218$28.3M0.15%-13,12413F-HRTimelineGroup
Harbour Trust & Investment Management Co30,204$28.3M2.72%-5713F-HRTimeline
ARISTOTLE INVESTMENT SERVICES, LLCgroup of 2 filers holding30,078$28.1M-550Timeline
Spire Wealth Managementin group Spire Wealth Management29,995$28.1M0.85%+19713F-HRTimelineGroup
Banco Santander, S.A.in group Banco Santander, S.A.29,941$28M0.17%+74113F-HRTimelineGroup
SteelPeak Wealth, LLC29,775$27.9M0.73%+14,33513F-HRTimeline
IFP Advisors, Inc29,628$27.7M0.5%-1,25613F-HRTimeline
BOKF, NAin group BOKF, NA29,111$27.2M0.38%+69613F-HRTimelineGroup
Liontrust Investment Partners LLP29,063$27.2M0.4%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC28,910$27M1.01%+7,90213F-HRTimeline
FACTORY MUTUAL INSURANCE CO28,900$27M0.25%-30013F-HRTimeline
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding28,299$26.6M-343Timeline
Advisory Services Network, LLC28,222$26.4M0.3%+2,77813F-HRTimeline
Snowden Capital Advisors LLC27,920$26.1M0.62%-46213F-HRTimeline
Vise Technologies, Inc.27,775$26M0.29%+11,44613F-HRTimeline
Gradient Investments LLCin group Gradient Investments LLC27,585$25.8M0.36%+2,27613F-HRTimelineGroup
Farther Finance Advisors, LLC27,536$25.8M0.2%+3,51713F-HRTimeline
HERITAGE INVESTORS MANAGEMENT CORP27,469$25.7M0.71%+54213F-HRTimeline
OLD NATIONAL BANCORP /IN/27,104$25.4M0.5%-53013F-HRTimeline
WASHINGTON TRUST Co27,092$25.3M0.79%-47813F-HRTimeline
WEATHERLY ASSET MANAGEMENT L. P.27,069$25.3M1.8%-35513F-HRTimeline
Composition Wealth, LLC27,057$25.3M0.3%+1,80413F-HRTimeline
Ironvine Capital Partners, LLC27,040$25.3M2.36%-6,47313F-HRTimeline
HOWLAND CAPITAL MANAGEMENT LLC26,938$25.2M0.91%+1,14313F-HRTimeline
Rempart Asset Management Inc.26,802$25.1M5.14%-1,22213F-HRTimeline
GODSEY & GIBB, INC26,742$25M2.05%-6313F-HRTimeline
Orion Porfolio Solutions, LLC26,713$25M0.19%-3613F-HRTimeline
Bluespring Wealth Management, LLC26,625$24.9M0.48%+23,80113F-HRTimeline
Summit Financial, LLC26,539$24.8M0.27%+32613F-HRTimeline
Bridgewater Associates, LP26,503$24.8M0.1%-1,11513F-HRTimeline
EULAV Asset Management26,500$24.8M0.79%-2,20013F-HRTimeline
ZEGA Investments, LLC26,358$24.7M4.11%+3,50013F-HRTimeline
ABSHER WEALTH MANAGEMENT, LLC26,215$24.5M2.79%+22613F-HRTimeline
HANCOCK WHITNEY CORP26,208$24.5M0.41%-8813F-HRTimeline
Savant Capital, LLCin group Savant Capital, LLC26,045$24.5M0.07%+10,65213F-HRTimelineGroup
Daiichi Life Insurance Co., Ltd.in group Daiichi Life Insurance Co., L…26,146$24.5M0.57%+3,31613F-HRTimelineGroup
COMGEST GLOBAL INVESTORS S.A.S.in group COMGEST GLOBAL INVESTORS S.A.…26,143$24.5M0.54%-1,37313F-HRTimelineGroup
Prospera Financial Services Inc26,065$24.4M0.35%-25113F-HRTimeline
RITHOLTZ WEALTH MANAGEMENT26,053$24.4M0.36%+2,56613F-HR/ATimeline
BECKER CAPITAL MANAGEMENT INC25,828$24.2M0.65%-10813F-HRTimeline
BRIGHTON JONES LLC25,665$24M0.45%+1,09013F-HRTimeline
Voleon Capital Management LP25,482$23.8M0.43%+2,32113F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp25,428$23.8M0.99%+5813F-HRTimelineGroup
Bath Savings Trust Co25,420$23.8M2.46%+92813F-HRTimeline
LGT Group Foundationin group LGT Group Foundation25,343$23.7M0.27%+5,57913F-HRTimelineGroup
Private Wealth Partners, LLC25,287$23.7M1.7%-5,62513F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC25,256$23.6M0.15%+1,12313F-HRTimelineGroup
BLB&B Advisors, LLC25,106$23.5M0.86%+53013F-HRTimeline
STRATEGIC PLANNING GROUP, LLC24,939$23.3M2.54%+1,12313F-HRTimeline
AlphaCore Capital LLC24,800$23.2M0.43%+12,88613F-HRTimeline
DEARBORN PARTNERS LLC24,714$23.1M1.31%-7,35013F-HR/ATimeline
Independent Advisor Alliance24,635$23M0.54%-11013F-HRTimeline
SALEM INVESTMENT COUNSELORS INC24,613$23M0.57%-913F-HRTimeline
NORTH POINT PORTFOLIO MANAGERS CORP/OH24,601$23M3.8%-83813F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO24,528$22.9M0.65%-76513F-HRTimeline
Simplicity Wealth,LLC24,449$22.9M0.77%+15,11713F-HRTimeline
Laird Norton Wetherby Trust Company, LLCin group Laird Norton Wetherby Trust C…24,306$22.7M0.44%-55213F-HRTimelineGroup
CARY STREET PARTNERS ASSET MANAGEMENT L…group of 2 filers holding24,274$22.7M+399Timeline
BALDWIN WEALTH PARTNERS LLC/MA24,252$22.7M1.48%-13213F-HRTimeline
Mutual Advisors, LLC24,136$22.6M0.43%+30913F-HRTimeline
Gotham Asset Management, LLC24,136$22.6M0.05%+6,77913F-HRTimeline
KELLY LAWRENCE W & ASSOCIATES INC/CA23,978$22.4M4.79%-34513F-HRTimeline
Maryland State Retirement & Pension Sys…23,905$22.4M0.38%+1,55413F-HRTimeline
KEYSTONE INVESTORS PTE LTD23,840$22.3M1.19%13F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH23,609$22.3M0.17%+7,00713F-HRTimelineGroup
MIDDLETON & CO INC/MA23,829$22.3M2.37%-68713F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…23,800$22.3M0.31%+31713F-HRTimelineGroup
L. Roy Papp & Associates, LLP23,794$22.3M2.34%-4613F-HRTimeline
National Mutual Insurance Federation of…in group National Mutual Insurance Fed…23,700$22.2M0.15%013F-HRTimelineGroup
JACOBS & CO/CA23,684$22.2M1.9%-2713F-HRTimeline
Y-Intercept (Hong Kong) Ltd23,655$22.1M0.44%+11,93613F-HRTimeline
Empirical Financial Services, LLC d.b.a…23,649$22.1M0.32%+2,12813F-HRTimeline
Vestmark Advisory Solutions, Inc.23,626$22.1M0.21%+98913F-HRTimeline
DIVIDEND ASSETS CAPITAL, LLC23,594$22.1M4.27%-42213F-HRTimeline
ROFFMAN MILLER ASSOCIATES INC /PA/23,542$22M1.15%+53813F-HRTimeline
Borer Denton & Associates, Inc.23,523$22M7.22%+1,31513F-HRTimeline
Auxano Advisors, LLC23,358$21.9M4.14%-3,92613F-HRTimeline
Penobscot Investment Management Company…23,339$21.8M1.5%-32513F-HRTimeline
BRAUN STACEY ASSOCIATES INC22,844$21.4M0.61%+20113F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…22,766$21.3M0.18%+2,97413F-HRTimelineGroup
Arkadios Wealth Advisors22,635$21.2M0.33%-58213F-HRTimeline
Argent Trust Co22,631$21.2M0.61%+10813F-HRTimeline
Trans-Canada Capital Inc.22,588$21.1M1.17%new13F-HRTimeline
Azimuth Capital Investment Management L…22,381$20.9M0.71%-44613F-HRTimeline
J.W. COLE ADVISORS, INC.22,308$20.9M0.36%-20513F-HRTimeline
Perigon Wealth Management, LLC22,257$20.8M0.33%+52013F-HRTimeline
GREAT LAKES ADVISORS, LLC22,160$20.7M0.16%+3,68413F-HRTimeline
OAK RIDGE INVESTMENTS LLC22,114$20.7M1.17%-26413F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD22,065$20.6M0.52%+1,90013F-HRTimeline
ALBION FINANCIAL GROUP /UT21,987$20.6M1.19%+11813F-HRTimeline
Covea Finance21,932$20.5M0.65%+7,86513F-HRTimeline
WOODSTOCK CORP21,837$20.4M1.7%-9413F-HRTimeline
CONWAY CAPITAL MANAGEMENT, INC.21,822$20.4M9.09%+29813F-HRTimeline
Segment Wealth Management, LLC21,774$20.4M1.06%+19013F-HRTimeline
AMI ASSET MANAGEMENT CORP21,761$20.4M1.17%-64613F-HRTimeline
Northstar Group, Inc.21,749$20.3M2.62%-6713F-HRTimeline
FERGUSON WELLMAN CAPITAL MANAGEMENT, INC21,693$20.3M0.25%-46713F-HRTimeline
Talbot Financial, LLC21,450$20.1M1.48%+39313F-HRTimeline
NWF Advisory Services Inc.21,398$20M1.88%+13113F-HRTimeline
AMERICAN NATIONAL BANK & TRUST21,314$19.9M1.7%-35313F-HRTimeline
PATTEN & PATTEN INC/TN21,289$19.9M1.05%-39613F-HRTimeline