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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
SoundView Advisors Inc.1,576$1.47M0.48%013F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC1,574$1.47M0.21%+2713F-HRTimeline
Sterling Investment Counsel, LLC1,572$1.47M0.35%+1313F-HRTimeline
Versant Capital Management, Inc1,571$1.47M0.13%-6013F-HRTimeline
SEAMOUNT FINANCIAL GROUP INC1,570$1.47M0.59%-25313F-HRTimeline
Argent Advisors, Inc.1,568$1.47M0.37%-413F-HRTimeline
Taylor Frigon Capital Management LLC1,566$1.46M0.69%-40313F-HRTimeline
LVZ, Inc.1,565$1.46M0.15%+4813F-HRTimeline
Advocacy Wealth Management, LLC1,562$1.46M0.05%+7913F-HRTimeline
RHODES INVESTMENT ADVISORS INC /ADV1,561$1.46M1.07%+1,16913F-HRTimeline
Storgate, LLC1,555$1.45M0.3%new13F-HRTimeline
Capital Advisors, Ltd. LLC1,550$1.45M0.15%-5913F-HRTimeline
American State Bank (Iowa)1,550$1.45M0.59%+12513F-HRTimeline
D'Orazio & Associates, Inc.1,545$1.44M0.17%-1613F-HRTimeline
Citizens National Bank Trust Department1,542$1.44M0.21%-1513F-HRTimeline
KELLEHER FINANCIAL ADVISORS1,540$1.44M0.2%+95413F-HRTimeline
Davis Capital Management1,535$1.44M0.85%+7713F-HRTimeline
River Street Advisors LLC1,534$1.44M0.42%+5813F-HRTimeline
Ledyard National Bank1,534$1.44M0.12%-5613F-HRTimeline
Parkwoods Wealth Partners, LLC1,534$1.44M0.23%+1,18013F-HRTimeline
HOWARD WEALTH MANAGEMENT, LLC1,532$1.43M0.53%-613F-HRTimeline
Bull Harbor Capital LLC1,528$1.43M0.28%+19313F-HRTimeline
LexAurum Advisors, LLC1,527$1.43M0.17%+2913F-HRTimeline
Hemenway Trust Co LLC1,526$1.43M0.1%013F-HRTimeline
Cornerstone Capital, Inc.1,525$1.43M0.13%-2713F-HRTimeline
Navigation Group, LLC1,525$1.43M0.28%+2413F-HRTimeline
ORLEANS CAPITAL MANAGEMENT CORP/LA1,524$1.43M0.74%013F-HRTimeline
Aquatic Capital Management LLC1,524$1.43M0.05%-13,86913F-HRTimeline
Bullock Wealth Management Group1,541$1.42M0.62%-28913F-HRTimeline
DOVER ADVISORS, LLC1,650$1.42M0.58%+1713F-HRTimeline
Safeguard Investment Advisory Group, LLC1,521$1.42M0.33%-21313F-HRTimeline
SOUTHERN MICHIGAN BANK & TRUST1,521$1.42M0.51%-7813F-HRTimeline
Basecamp Wealth Advisors LLC1,521$1.42M0.26%-1413F-HRTimeline
HBW ADVISORY SERVICES LLC1,519$1.42M0.13%+6613F-HRTimeline
Sunbeam Capital Management, LLC1,518$1.42M0.65%+20813F-HRTimeline
Shepherd Street Advisors LLC1,544$1.42M1.24%-6813F-HRTimeline
COLUMBIA ADVISORY PARTNERS LLC1,513$1.42M0.78%-513F-HRTimeline
Sloy Dahl & Holst, LLC1,512$1.41M0.17%+3813F-HRTimeline
R Squared Ltd1,510$1.41M0.74%new13F-HRTimeline
Advisory Solutions Group, LLC1,508$1.41M0.48%13F-HRTimeline
Corundum Group, Inc.1,507$1.41M0.42%+2813F-HRTimeline
Interchange Capital Partners, LLC1,502$1.41M0.26%+41913F-HRTimeline
FORTEM FINANCIAL GROUP, LLC1,502$1.41M0.29%+5013F-HRTimeline
HELIOS CAPITAL MANAGEMENT PTE. LTD1,500$1.4M1.37%new13F-HRTimeline
Chancellor Financial Group WB LP1,498$1.4M0.87%013F-HRTimeline
Aureus Asset Management, LLC1,496$1.4M0.09%+6013F-HRTimeline
BankChampaign, National Association1,496$1.4M1.07%+7513F-HRTimeline
RFP Financial Group LLC1,493$1.4M0.63%013F-HRTimeline
Quantum Portfolio Management LLC1,493$1.4M0.5%+913F-HRTimeline
AAFMAA Wealth Management & Trust LLC1,492$1.4M0.49%-20513F-HRTimeline
BXM Wealth LLC1,489$1.39M0.76%013F-HRTimeline
Ponta Wealth Partners, LLC1,487$1.39M0.74%+13613F-HRTimeline
MIDLAND WEALTH ADVISORS, LLC1,483$1.39M0.07%-11413F-HRTimeline
ARWA LLC1,466$1.39M0.58%-12113F-HRTimeline
FIRST NATIONAL BANK & TRUST CO OF NEWTO…1,456$1.39M0.28%+2313F-HRTimeline
Lodestone Wealth Management LLC1,477$1.38M0.49%-413F-HRTimeline
SUMMITRY LLC1,475$1.38M0.05%-11313F-HRTimeline
Biltmore Family Office, LLC1,474$1.38M0.18%+313F-HRTimeline
RIVERSEDGE ADVISORS, LLC1,474$1.38M0.18%+11613F-HRTimeline
Headlands Technologies LLC1,473$1.38M0.15%new13F-HRTimeline
Oslo Pensjonsforsikring AS1,471$1.38M0.16%013F-HRTimeline
Pasadena Private Wealth, LLC1,470$1.38M0.18%+1213F-HRTimeline
Goldstein Advisors, LLC1,466$1.37M0.13%+89213F-HRTimeline
Concentrum Wealth Management1,465$1.37M0.33%+2613F-HRTimeline
Werba Rubin Papier Wealth Management1,463$1.37M0.17%-1,08213F-HRTimeline
Weaver Consulting Group1,462$1.37M0.28%+213F-HRTimeline
Northern Financial Advisors Inc1,462$1.37M0.9%-4513F-HRTimeline
Abbot Financial Management, Inc.1,461$1.37M0.5%-513F-HRTimeline
Resurgent Financial Advisors LLC1,457$1.36M0.38%+7813F-HRTimeline
Financial Plan, Inc.1,457$1.36M0.13%+7613F-HRTimeline
Pachira Investments Inc.1,456$1.36M0.51%+9613F-HRTimeline
Tradewinds, LLC.3,121$1.36M0.32%+2,18613F-HRTimeline
Baring Financial LLC1,453$1.36M0.75%-3013F-HRTimeline
Hoxton Planning & Management, LLC1,451$1.36M0.35%-3013F-HRTimeline
Burton Enright Welch1,444$1.35M0.16%-10013F-HRTimeline
Tortoise Investment Management, LLC1,444$1.35M0.1%+1413F-HRTimeline
BLUEDOOR PRIVATE WEALTH, LLC1,444$1.35M0.57%-3413F-HRTimeline
Formidable Asset Management, LLC1,355$1.35M0.21%-713F-HRTimeline
Whelan Financial1,442$1.35M0.37%+1113F-HRTimeline
Richard W. Paul & Associates, LLC1,440$1.35M0.41%-19813F-HRTimeline
Willow Creek Capital Management, Inc.1,437$1.34M1.31%13F-HRTimeline
Kennebec Savings Bank1,435$1.34M1.08%+513F-HRTimeline
WEALTH ALLIANCE, LLC1,434$1.34M0.11%-913F-HRTimeline
ADIRONDACK TRUST CO1,431$1.34M0.4%-2013F-HRTimeline
CHAPMAN FINANCIAL GROUP, LLC1,424$1.33M0.89%013F-HRTimeline
Radnor Capital Management, LLC1,422$1.33M0.19%013F-HRTimeline
Hofer & Associates. Inc1,419$1.33M0.64%+3113F-HRTimeline
FIDUCIARY FINANCIAL ADVISORS1,434$1.33M0.13%new13F-HRTimeline
Steigerwald, Gordon & Koch Inc.1,417$1.33M0.13%-1513F-HRTimeline
DEROY & DEVEREAUX PRIVATE INVESTMENT CO…1,415$1.32M0.06%-813F-HRTimeline
Spectrum Asset Management, Inc. (NB/CA)1,413$1.32M0.37%+113F-HRTimeline
1834 INVESTMENT ADVISORS CO1,411$1.32M0.15%+5113F-HRTimeline
Tandem Wealth Advisors LLC1,410$1.32M0.52%+8013F-HRTimeline
Suncoast Equity Management1,409$1.32M0.17%new13F-HRTimeline
WOLFF WIESE MAGANA LLC1,404$1.31M0.6%-913F-HRTimeline
Hikari Tsushin, Inc.1,400$1.31M0.09%013F-HRTimeline
Mathes Company, Inc.1,399$1.31M0.41%-513F-HRTimeline
Allied Investment Advisors, LLC1,398$1.31M0.16%013F-HRTimeline
Focused Wealth Management, Inc1,393$1.3M0.12%+13113F-HRTimeline
RAINIER FAMILY WEALTH INC1,393$1.3M0.74%013F-HRTimeline
Plante Moran Financial Advisors, LLC1,392$1.3M0.06%-19913F-HRTimeline
Gratus Wealth Advisors, LLC1,390$1.3M0.17%+613F-HRTimeline
Fortitude Family Office, LLC1,390$1.3M0.25%+1013F-HRTimeline
Investors Towarzystwo Funduszy Inwestyc…1,390$1.3M0.43%013F-HRTimeline
Blom & Howell Financial Planning, Inc.1,389$1.3M1.08%-1113F-HRTimeline
Andrews Advisory Associates, LLC1,388$1.3M0.62%-8313F-HRTimeline
Sentry LLC1,388$1.3M0.36%013F-HRTimeline
Foster Group, Inc.1,385$1.3M0.03%+1113F-HRTimeline
GREATMARK INVESTMENT PARTNERS, INC.1,384$1.29M0.14%013F-HRTimeline
SANDER CAPITAL ADVISORS INC1,382$1.29M0.68%-9513F-HRTimeline
CHILDRESS CAPITAL ADVISORS, LLC1,382$1.29M0.21%+11613F-HRTimeline
VISION FINANCIAL MARKETS LLC1,383$1.29M1.12%013F-HRTimeline
Five Oceans Advisors1,382$1.29M0.42%-113F-HRTimeline
ATWOOD & PALMER INC1,380$1.29M0.07%-1013F-HRTimeline
SHP Wealth Management1,377$1.29M0.09%+3113F-HRTimeline
Curbstone Financial Management Corp1,376$1.29M0.22%+43413F-HRTimeline
Wescott Financial Advisory Group, LLC1,375$1.29M0.1%-813F-HRTimeline
Income Insurance Ltd1,375$1.29M0.77%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Strategic Investment Advisors / MI1,372$1.28M0.08%+713F-HRTimeline
Diligent Investors, LLC1,372$1.28M0.29%+2013F-HRTimeline
Matisse Capital1,369$1.28M0.51%+9613F-HRTimeline
Madson Wealth Advisors Inc1,369$1.28M0.87%+7413F-HRTimeline
WIREGRASS INVESTMENT MANAGEMENT LLC1,364$1.28M0.87%+3613F-HRTimeline
KTF INVESTMENTS, LLC1,364$1.28M0.13%-2513F-HRTimeline
Carrera Capital Advisors1,362$1.27M0.19%+16113F-HRTimeline
Gerald Baker Financial Group LLC1,359$1.27M0.36%+213F-HRTimeline
Heirloom Wealth Management1,358$1.27M0.18%-7713F-HRTimeline
Missouri Trust & Investment Co1,333$1.27M0.34%013F-HRTimeline
Gleason Group, Inc.1,356$1.27M0.11%+1013F-HRTimeline
MINDSET WEALTH MANAGEMENT, LLC1,356$1.27M0.24%+44413F-HRTimeline
Global Strategic Investment Solutions, …1,355$1.27M0.11%-113F-HRTimeline
Values Added Financial LLC1,352$1.26M0.46%+913F-HRTimeline
Elm Partners Management LLC1,351$1.26M0.04%+213F-HR/ATimeline
Jackson Wealth Management, LLC1,350$1.26M0.74%-12,97513F-HRTimeline
Summit Wealth Partners, LLC1,350$1.26M0.18%-5813F-HRTimeline
UP STRATEGIC WEALTH INVESTMENT ADVISORS…1,340$1.26M0.75%-1713F-HRTimeline
Westside Investment Management, Inc.1,348$1.26M0.17%+3013F-HRTimeline
Mission Financial Group, LLC1,344$1.26M1.04%13F-HRTimeline
Carr Financial Group Corp1,343$1.26M0.29%+20013F-HRTimeline
Winthrop Advisory Group LLC1,342$1.26M0.08%+8413F-HRTimeline
Gemmer Asset Management LLC1,342$1.25M0.08%+6413F-HRTimeline
BSW Wealth Partners1,340$1.25M0.14%+6113F-HRTimeline
Laurel Wealth Advisors LLC1,337$1.25M0.12%+313F-HRTimeline
Aspen Wealth Management LLC1,336$1.25M0.21%+1413F-HRTimeline
Bernard Wealth Management Corp.1,335$1.25M0.46%-3113F-HRTimeline
SAGE RHINO CAPITAL LLC1,333$1.25M0.2%-1913F-HRTimeline
Lansing Street Advisors1,333$1.25M0.27%-1613F-HRTimeline
Waldron Private Wealth LLC1,328$1.24M0.04%-2113F-HRTimeline
Maxele Advisors, LLC1,328$1.24M0.87%13F-HRTimeline
Saiph Capital, LLC1,323$1.24M0.37%+76713F-HRTimeline
BLUE JEAN FINANCIAL LLC1,321$1.24M0.86%+2613F-HRTimeline
Unify Financial Advisors1,320$1.23M1.14%+3313F-HRTimeline
Stablepoint Partners, LLC1,318$1.23M0.17%-613F-HRTimeline
San Luis Wealth Advisors LLC1,317$1.23M0.19%-2713F-HRTimeline
GeoWealth Management, LLC1,313$1.23M0.04%+3213F-HRTimeline
Parkside Investments, LLC1,309$1.22M0.14%-1513F-HRTimeline
MARIPAU WEALTH MANAGEMENT LLC1,308$1.22M0.44%+30613F-HRTimeline
Bauman Advisory Group, LLC1,308$1.22M0.65%+1913F-HRTimeline
Abel Hall, LLC1,303$1.22M0.21%+2813F-HRTimeline
Onyx Bridge Wealth Group LLC1,302$1.22M0.11%+2513F-HRTimeline
Clarion Wealth Managment Partners, LLC1,302$1.22M0.98%-8713F-HRTimeline
WATERS PARKERSON & CO., LLC1,299$1.22M0.06%-2513F-HRTimeline
BANK OF HAWAII1,299$1.22M0.06%-413F-HRTimeline
Wilson & Boucher Capital Management, LLC1,298$1.21M0.71%-1213F-HRTimeline
HUTCHINSON CAPITAL MANAGEMENT/CA1,297$1.21M0.21%+7313F-HRTimeline
Waterway Wealth Management, LLC1,296$1.21M0.25%+1913F-HRTimeline
Tradewinds Capital Management, LLC1,293$1.21M0.22%-11513F-HRTimeline
Westfuller Advisors, LLC1,292$1.21M0.44%+27613F-HRTimeline
TRB Wealth Management, LLC1,291$1.21M0.16%-50713F-HRTimeline
Octavia Wealth Advisors, LLC1,290$1.21M0.1%-14113F-HRTimeline
TrustBankin group TrustBank1,289$1.21M0.41%-2213F-HRTimelineGroup
MONTGOMERY INVESTMENT MANAGEMENT INC1,285$1.2M0.36%013F-HRTimeline
V2 Financial group LLC1,284$1.2M0.45%+2913F-HRTimeline
55 North Private Wealth, LLC1,282$1.2M0.24%-8213F-HRTimeline
THOMPSON DAVIS & CO., INC.1,281$1.2M0.72%-2313F-HRTimeline
Wealth Architects, LLC1,279$1.2M0.09%-413F-HRTimeline
PARTHENON LLC1,278$1.2M0.12%-2513F-HRTimeline
Phoenix Wealth Advisors1,278$1.2M0.4%-2513F-HRTimeline
FLORIDA FINANCIAL ADVISORS, LLC1,277$1.2M0.2%-8113F-HRTimeline
TWO SIGMA SECURITIES, LLC1,277$1.19M0.1%new13F-HRTimeline
Prairie Wealth Advisors, Inc.0$1.19M0.28%013F-HRTimelineAmount filed as zero, left out of ratios.
Milestone Asset Management Group, LLC1,273$1.19M0.6%-813F-HRTimeline
BINGHAM PRIVATE WEALTH, LLC1,272$1.19M0.82%+3713F-HRTimeline
Revolve Wealth Partners, LLC1,272$1.19M0.12%+2413F-HRTimeline
SACKS & ASSOCIATES, LLC1,250$1.19M0.8%013F-HRTimeline
Advyzon Investment Management, LLC1,269$1.19M0.09%-1,36113F-HRTimeline
Skyline Advisors, Inc.1,268$1.19M0.37%013F-HRTimeline
Crown Wealth Group, LLC1,268$1.19M0.3%-7113F-HRTimeline
BENDER ROBERT & ASSOCIATES1,268$1.19M0.25%-1613F-HRTimeline
ANCHYRA PARTNERS LLC1,265$1.18M0.28%+10013F-HRTimeline
WATERSHED PRIVATE WEALTH LLC1,265$1.18M0.33%+3913F-HRTimeline
Gilliland Jeter Wealth Management LLC1,264$1.18M0.31%013F-HRTimeline
Granite Bay Wealth Management, LLC1,264$1.18M0.11%+80013F-HRTimeline
LAWSON KROEKER INVESTMENT MANAGEMENT IN…1,260$1.18M0.33%-2113F-HRTimeline
DAVIDSON INVESTMENT ADVISORS1,260$1.18M0.05%+813F-HRTimeline
Kensington Investment Counsel, LLC1,259$1.18M0.51%-1013F-HRTimeline
AVALON CAPITAL MANAGEMENT1,257$1.18M0.28%013F-HRTimeline
WEST BANCORPORATION INC1,255$1.17M0.5%-5513F-HRTimeline
Winthrop Capital Management, LLC1,254$1.17M0.28%+213F-HRTimeline
AMG Asset Management Group, Inc.1,253$1.17M0.73%+3813F-HRTimeline