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Disclosery

COST COSTCO WHOLESALE CORPORATION

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COM (common), issuer CIK 909832

3,879 managers (3,943 13F filers) reported a position in COST shares at 2025-09-30, 296,922,826 shares in all. 117 filers opened a position and 170 filers sold out during the quarter.

Managers
3,879
13F filers
3,943
New
117
Added
1,660
Reduced
1,589
Sold out
170
Shares held by filers
296,922,826

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

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Wilcox William Richardofficer (Executive Vice President)2026-10-13-1,100 S$958.205Form 4

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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
Marquette Asset Management, LLC46$42.6K0.01%+4413F-HRTimeline
Morton Brown Family Wealth, LLC45$42.1K0.01%-613F-HRTimeline
West Oak Capital, LLC4,541$42K1.67%-53613F-HRTimeline
PMV Capital Advisers, LLC45$41.7K0.08%013F-HRTimeline
STEPH & CO44$40.7K0.01%+213F-HRTimeline
Financial Connections Group, Inc.43$40K0.02%013F-HRTimeline
Holos Integrated Wealth LLC43$40K0.02%013F-HRTimeline
REDMONT WEALTH ADVISORS LLC43$39.8K0.06%013F-HRTimeline
West Financial Advisors, LLC41$38K0.01%013F-HRTimeline
CHESAPEAKE ASSET MANAGEMENT LLC41$38K0.03%013F-HRTimeline
SRH ADVISORS, LLC40$37K0.01%013F-HRTimeline
Your Advocates Ltd., LLP40$37K0.01%013F-HRTimeline
AXS Investments LLC39$36.1K0.01%new13F-HR/ATimeline
Imprint Wealth LLC39$36.1K0.12%13F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…39$36K<0.01%013F-HRTimelineGroup
Collier Financial38$35.2K0.03%13F-HRTimeline
Abich Financial Wealth Management LLC37$34.2K0.01%13F-HRTimeline
Hurley Capital, LLC33$30.8K0.02%+1813F-HRTimeline
BARRETT & COMPANY, INC.32$29.6K0.01%-1113F-HRTimeline
ROGCO, LP32$29.6K0.01%-913F-HRTimeline
DiNuzzo Private Wealth, Inc.31$29.2K<0.01%013F-HRTimeline
LFA - Lugano Financial Advisors SA31$28.7K0.02%013F-HRTimeline
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVA…31$28.7K0.04%-25013F-HRTimeline
C M BIDWELL & ASSOCIATES LTD30$27.8K0.01%013F-HRTimeline
Minot DeBlois Advisors LLC28$25.6K0.02%+913F-HRTimeline
Evolution Advisers, Inc.28$25K0.01%013F-HRTimeline
MJT & Associates Financial Advisory Gro…27$25K0.02%+813F-HRTimeline
EVOLUTION WEALTH MANAGEMENT INC.26$23.7K0.02%-2413F-HR/ATimeline
Frazier Financial Advisors, LLC25$23.3K0.01%-1813F-HRTimeline
Brown Shipley& Co Ltd25$23.1K0.01%013F-HRTimeline
North Ridge Wealth Advisors, Inc.25$23.1K0.01%013F-HRTimeline
Bulwark Capital Corp25$23.1K0.02%013F-HRTimeline
Sagard Holdings Management Inc.24$22.2K0.11%013F-HRTimeline
Catherine Avery Investment Management L…23$21.3K0.01%-513F-HRTimeline
MMA ASSET MANAGEMENT LLC22$20.4K0.01%new13F-HRTimeline
Sellwood Investment Partners LLC21$19.4K0.01%new13F-HRTimeline
Mechanics Financial Corp21$19.4K0.01%013F-HRTimeline
Fairway Wealth LLC21$19.1K0.01%013F-HRTimeline
Robbins Farley20$18.5K0.01%new13F-HRTimeline
WestEnd Advisors, LLC19$17.6K<0.01%+313F-HRTimeline
IFS Advisors, LLC19$17.6K0.01%013F-HRTimeline
Corundum Trust Company, INC18$16.7K0.04%new13F-HRTimeline
Financial Freedom, LLC17$16.1K0.01%013F-HRTimeline
XY Capital Ltd17$15.7K0.01%new13F-HRTimeline
Bay Harbor Wealth Management, LLC16$14.8K<0.01%+113F-HRTimeline
1620 INVESTMENT ADVISORS, INC.16$14.4K0.01%-113F-HRTimeline
Kathleen S. Wright Associates Inc.15$13.9K0.01%013F-HRTimeline
Park Square Financial Group, LLC13$12K0.05%-1,36913F-HRTimeline
LONGFELLOW INVESTMENT MANAGEMENT CO LLC13$12K<0.01%013F-HRTimeline
Advanced Portfolio Management, LLC13$12K0.03%new13F-HRTimeline
Innovative Advisory Group, LLC13$12K0.01%013F-HRTimeline
United Financial Planning Group LLC12$11.1K0.01%13F-HRTimeline
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC11$10.2K<0.01%013F-HRTimeline
Itau Unibanco Holding S.A.in group Itau Unibanco Holding S.A.11$10.2K<0.01%new13F-HRTimelineGroup
Prudent Man Investment Management, Inc.11$10.1K0.01%013F-HRTimeline
Clal Insurance Enterprises Holdings Ltdin group Clal Insurance Enterprises Ho…11$10K<0.01%-113F-HRTimelineGroup
Keener Financial Planning LLC11$10K<0.01%013F-HRTimeline
Lummis Asset Management, LP10$9.26K0.01%013F-HRTimeline
Alexis Investment Partners, LLC10$9.26K<0.01%new13F-HRTimeline
PayPay Securities Corp10$9K0.32%+213F-HRTimeline
Investors Research Corp9$8.33K<0.01%013F-HRTimeline
Bare Financial Services, Inc8$7.41K<0.01%+513F-HRTimeline
Perritt Capital Management Inc8$7.41K<0.01%-813F-HRTimeline
TD Capital Management LLC7$6.68K<0.01%013F-HRTimeline
BURKETT FINANCIAL SERVICES, LLC4$3.72K<0.01%013F-HRTimeline
DecisionPoint Financial, LLC4$3.67K<0.01%013F-HRTimeline
Horrell Capital Management, Inc.3$2.83K<0.01%013F-HRTimeline
ISLAY CAPITAL MANAGEMENT, LLC3$2.78K<0.01%+113F-HRTimeline
FIDUCIARY ADVISORS, INC.3$2.78K<0.01%013F-HRTimeline
Cohalo Advisory LLC3$2.78K0.22%013F-HRTimeline
HFM Investment Advisors, LLC3$2.78K<0.01%-513F-HRTimeline
BROADWATER CAPITAL MANAGEMENT LLC3$2.78K<0.01%-2,96713F-HR/ATimeline
INVESTMENT COUNSEL CO OF NEVADA2$1.85K<0.01%013F-HRTimeline
Navigoe, LLC2$1K<0.01%new13F-HRTimeline
Delos Wealth Advisors, LLC1$926<0.01%013F-HRTimeline
Wealth Preservation Advisors, LLC1$926<0.01%013F-HRTimeline
BRIDGE GENERATIONS WEALTH MANAGEMENT LLC1$926<0.01%013F-HRTimeline
ROSS\JOHNSON & Associates LLC1$9260.02%013F-HRTimeline
HORIZON FINANCIAL SERVICES, LLC0$00%new13F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.

Events

  • Wilcox William Richard sold 1,100 COST shares on 2026-10-13, Form 4 filed 2026-10-14. 0000909832-26-000098

    Accepted , ingested