COST COSTCO WHOLESALE CORPORATION

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.
Owner	Date	Shares	Price	Filing
Wilcox William Richardofficer (Executive Vice President)	2026-10-13	-1,100 S	$958.205	Form 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.

Holder	Shares	Value	% of portfolio	Change	Source
New Capital Management LP	884	$818K	0.21%	0	13F-HR Timeline
Blackstone Inc.in group Blackstone Inc.	882	$816K	<0.01%	new	13F-HR Timeline GroupThe filing omitted confidential holdings, a later amendment may add them.
Tamar Securities, LLC	881	$815K	0.09%	+24	13F-HR Timeline
BEACON FINANCIAL GROUP	880	$815K	0.08%	-25	13F-HR Timeline
Elevate Capital Advisors, LLC	879	$814K	0.57%	-46	13F-HR Timeline
Kera Capital Partners, Inc.	877	$812K	0.12%	-298	13F-HR Timeline
Cyr Financial Inc.	877	$812K	0.55%	+30	13F-HR Timeline
Symmetry Partners, LLC	876	$811K	0.09%	-11	13F-HR Timeline
Altiora Financial Group, LLC	875	$810K	0.15%	-82	13F-HR Timeline
Prasad Wealth Partners, LLC	875	$810K	0.23%	-95	13F-HR Timeline
Trademark Financial Management, LLC	874	$809K	0.47%	-9	13F-HR Timeline
Sterling Investment Counsel, LLC	874	$809K	0.26%	-464	13F-HR Timeline
Legacy Capital Wealth Partners, LLC	873	$808K	0.18%	+58	13F-HR Timeline
Wealthspire Retirement, LLC	870	$806K	0.05%	-233	13F-HR/A Timeline
Empirical Asset Management, LLC	39,649	$804K	0.22%	+38,823	13F-HR Timeline
Miller Financial Services LLC	869	$804K	0.93%	0	13F-HR Timeline
Canal Capital Management, LLC	868	$804K	0.12%	-12	13F-HR Timeline
Deseret Mutual Benefit Administrators	867	$803K	0.34%	-138	13F-HR Timeline
Ranch Capital Advisors Inc.	865	$801K	0.31%	-26	13F-HR Timeline
G&S Capital LLC	865	$801K	0.3%	+328	13F-HR Timeline
Avantra Family Wealth, Inc.	865	$801K	0.6%	0	13F-HR Timeline
Edge Financial Advisors LLC	432	$799K	0.36%	-72	13F-HR Timeline
Papamarkou Wellner Asset Management inc.	862	$798K	0.49%	+65	13F-HR Timeline
American Capital Advisory, LLC	859	$795K	0.37%	-100	13F-HR Timeline
Morey & Quinn Wealth Partners, LLC	859	$795K	0.59%	+16	13F-HR Timeline
Touchstone Capital, Inc.	857	$794K	0.41%		13F-HR Timeline
Councilmark Asset Management, LLC	855	$791K	0.45%	0	13F-HR Timeline
Symphony Financial Services, Inc.	855	$791K	0.43%	+316	13F-HR Timeline
MONARCH CAPITAL MANAGEMENT INC	853	$790K	0.19%	-1	13F-HR Timeline
VANTAGE WEALTH	852	$789K	0.17%	0	13F-HR Timeline
PETTYJOHN, WOOD & WHITE, INC	850	$787K	0.13%	0	13F-HR Timeline
Bravias Capital Group, LLC	845	$782K	0.52%	-9	13F-HR Timeline
Onyx Bridge Wealth Group LLC	843	$780K	0.08%	-13	13F-HR Timeline
Curbstone Financial Management Corp	842	$779K	0.15%	+70	13F-HR Timeline
JB Capital LLC	842	$779K	0.03%	+31	13F-HR Timeline
Weil Company, Inc.	842	$779K	0.19%	-2	13F-HR Timeline
Strategic Family Wealth Counselors, L.L…	841	$779K	0.2%	0	13F-HR Timeline
Capstone Wealth Management Group LLCin group Capstone Wealth Management Gr…	839	$777K	0.5%	+6	13F-HR Timeline Group
VIRTUE ASSET MANAGEMENT LLC	838	$776K	0.64%		13F-HR Timeline
Womack Financial LLC	837	$775K	0.59%	+2	13F-HR Timeline
M.E. ALLISON & CO., INC.	833	$771K	0.54%	0	13F-HR Timeline
Pacifica Partners Inc.	840	$770K	0.28%	-21	13F-HR Timeline
Ellevest, Inc.	832	$770K	0.11%	-140	13F-HR Timeline
Archer Investment Corp	830	$768K	0.17%	-320	13F-HR Timeline
Occidental Asset Management, LLC	830	$768K	0.1%	+137	13F-HR Timeline
PATRIOT INVESTMENT MANAGEMENT GROUP, IN…	829	$767K	0.05%	-9	13F-HR Timeline
Centerpoint Advisory Group	826	$765K	0.6%	0	13F-HR Timeline
Texas Capital Bancshares Inc/TX	823	$762K	0.3%	-422	13F-HR Timeline
BERKSHIRE ASSET MANAGEMENT LLC/PA	821	$760K	0.03%	0	13F-HR Timeline
CCG WEALTH MANAGEMENT, LLC	821	$760K	0.36%	+24	13F-HR Timeline
Lifeworks Advisors, LLC	821	$760K	0.1%	-3	13F-HR Timeline
M. Kraus & Co	820	$759K	0.21%	0	13F-HR Timeline
XTX Topco Ltdin group XTX Topco Ltd	820	$759K	0.04%	new	13F-HR Timeline Group
MINDSET WEALTH MANAGEMENT, LLC	820	$759K	0.21%	+94	13F-HR Timeline
Exchange Bank	820	$759K	0.53%	-4	13F-HR Timeline
Financial Security Advisor, Inc.	818	$757K	0.16%	+5	13F-HR Timeline
PURE PORTFOLIOS HOLDINGS LLC	818	$757K	0.24%	-16	13F-HR Timeline
Pathway Financial Advisers, LLC	844	$757K	0.22%	+567	13F-HR Timeline
CM WEALTH ADVISORS LLC	817	$756K	0.2%	0	13F-HR Timeline
James J. Burns & Company, LLC	815	$754K	0.11%	-3	13F-HR Timeline
Beta Wealth Group, Inc.	813	$753K	0.3%	-80	13F-HR Timeline
Gould Capital, LLC	813	$753K	0.47%	+483	13F-HR Timeline
Shade Tree Advisors LLC	813	$753K	0.65%	0	13F-HR Timeline
Edgemoor Investment Advisors, Inc.	812	$752K	0.06%	+27	13F-HR Timeline
Summit Financial Wealth Advisors, LLC	819	$751K	0.12%	+259	13F-HR Timeline
INSPIRION WEALTH ADVISORS, LLC	847	$751K	0.11%	-71	13F-HR Timeline
CMG Global Holdings, LLC	784	$749K	0.37%	0	13F-HR Timeline
Washington Trust Advisors, Inc.	808	$748K	0.06%	+50	13F-HR Timeline
Monument Capital Management	807	$747K	0.19%	-2	13F-HR Timeline
Signal Advisors Wealth, LLC	805	$745K	0.07%	-431	13F-HR Timeline
Selective Wealth Management, Inc.	810	$741K	0.24%	+168	13F-HR Timeline
Riverview Trust Co	798	$739K	0.89%	0	13F-HR Timeline
1776 Wealth LLC	798	$739K	0.28%	-621	13F-HR Timeline
Arkos Global Advisors	796	$737K	0.09%	+93	13F-HR Timeline
Sonoma Allocations LLC	795	$736K	0.27%		13F-HR Timeline
Bigelow Investment Advisors, LLC	793	$734K	0.3%	+124	13F-HR Timeline
Legacy PCG, LLC	793	$734K	0.44%	0	13F-HR Timeline
Darwin Wealth Management, LLC	792	$733K	0.23%	+111	13F-HR Timeline
CenterStar Asset Management, LLC	791	$732K	1.39%	new	13F-HR Timeline
Key Client Fiduciary Advisors, LLC	790	$732K	0.25%	+14	13F-HR Timeline
1248 Management, LLC	790	$731K	0.41%	-292	13F-HR Timeline
Copia Wealth Management	790	$731K	0.54%	+59	13F-HR Timeline
First City Capital Management, Inc.	789	$730K	0.39%	0	13F-HR Timeline
MQS Management LLC	789	$730K	0.43%	-155	13F-HR Timeline
Clarendon Private LLC	789	$730K	0.66%	-71	13F-HR Timeline
Investment Partners Asset Management, I…	787	$728K	0.48%	-14	13F-HR Timeline
Elm3 Financial Group, LLC	787	$728K	0.6%	-11	13F-HR Timeline
Financial Management Professionals, Inc.	786	$727K	0.08%	+242	13F-HR Timeline
Rise Advisors, LLC	784	$726K	0.26%	+1	13F-HR Timeline
Ruggaard & Associates LLC	784	$726K	0.27%	0	13F-HR Timeline
Bill Few Associates, Inc.	784	$726K	0.19%	-27	13F-HR Timeline
TITLEIST ASSET MANAGEMENT, LLC	784	$726K	0.06%	+19	13F-HR Timeline
Thrive Wealth Management, LLC	783	$725K	0.11%	-21	13F-HR Timeline
WealthBridge Capital Management, LLC	783	$724K	0.17%	-30	13F-HR Timeline
Wealth Management Associates, Inc.	782	$724K	0.26%	-12	13F-HR Timeline
CALTON & ASSOCIATES, INC.	781	$723K	0.11%	+87	13F-HR Timeline
KRS Capital Management, LLC	780	$722K	0.44%	+86	13F-HR Timeline
Riverwater Partners LLC	779	$721K	0.3%	-40	13F-HR Timeline
Truepoint, Inc.	776	$719K	0.02%	+287	13F-HR Timeline
Greenspring Advisors, LLC	776	$718K	0.13%		13F-HR Timeline
Austin Private Wealth, LLC	775	$717K	0.06%	+2	13F-HR Timeline
CHICKASAW CAPITAL MANAGEMENT LLC	775	$717K	0.03%	0	13F-HR Timeline
HORAN Wealth, LLC	773	$715K	0.11%	+226	13F-HR Timeline
KWMG, LLC	773	$715K	0.06%	-4	13F-HR Timeline
Sandy Cove Advisors, LLC	772	$715K	0.23%	-5	13F-HR Timeline
Schneider Downs Wealth Management Advis…	772	$715K	0.08%	+28	13F-HR Timeline
WEALTH EFFECTS LLC	772	$714K	0.23%	+31	13F-HR Timeline
Blossom Wealth Management	772	$714K	1.15%	+9	13F-HR Timeline
Templeton & Phillips Capital Management…	771	$714K	0.51%	0	13F-HR Timeline
Callahan Advisors, LLC	770	$713K	0.06%	+70	13F-HR Timeline
Empire Financial Management Company, LLC	770	$713K	0.16%	0	13F-HR Timeline
KFG WEALTH MANAGEMENT, LLC	770	$712K	0.1%	-22	13F-HR Timeline
LeClair Wealth Partners LLC	769	$712K	0.44%	-16	13F-HR Timeline
Anson Funds Management LPin group Anson Funds Management LP	768	$711K	0.08%	0	13F-HR Timeline Group
Jacobsen Capital Management	766	$709K	0.24%	-17	13F-HR Timeline
Alpha Financial Partners LLC	765	$708K	0.46%	-33	13F-HR Timeline
Abound Wealth Management	765	$708K	0.18%	-12	13F-HR Timeline
SEIZERT CAPITAL PARTNERS, LLC	763	$706K	0.03%	0	13F-HR Timeline
PEOPLES FINANCIAL SERVICES CORP.	763	$706K	0.32%	-11	13F-HR Timeline
PRIVATE CLIENT SERVICES, LLC	761	$704K	0.24%	-260	13F-HR Timeline
TrinityBridge Ltd	761	$704K	0.02%	-115	13F-HR Timeline
Strategic Planning, Inc.	758	$701K	0.41%	+4	13F-HR Timeline
HRC WEALTH MANAGEMENT, LLC	757	$701K	0.34%	-3	13F-HR Timeline
SilverOak Wealth Management LLC	757	$701K	0.12%	-29	13F-HR Timeline
Williams & Novak Wealth Management, LLC	754	$698K	0.54%	+235	13F-HR Timeline
Prospect Financial Services LLC	752	$696K	0.4%	-76	13F-HR Timeline
ENZI WEALTH	751	$695K	0.24%	-297	13F-HR Timeline
Veracity Capital LLC	751	$695K	0.22%	-686	13F-HR Timeline
Mason & Associates Inc	750	$694K	0.14%	+13	13F-HR Timeline
AUA CAPITAL MANAGEMENT, LLC	750	$694K	0.39%	0	13F-HR Timeline
Firestone Capital Management	746	$690K	0.15%	+5	13F-HR Timeline
Francis Financial, Inc.	518	$690K	0.12%	+14	13F-HR Timeline
Apexium Financial, LP	745	$689K	0.03%	-79	13F-HR Timeline
AIMZ Investment Advisors, LLC	744	$689K	0.22%	+14	13F-HR Timeline
Aspen Grove Capital, LLC	742	$687K	0.12%	-107	13F-HR Timeline
WJ Wealth Management, LLC	751	$684K	0.3%	-1,071	13F-HR/A Timeline
Diversified Enterprises, LLC	739	$684K	0.05%	+39	13F-HR Timeline
Medallion Wealth Advisors, LLC	739	$684K	0.24%	-77	13F-HR Timeline
Old Port Advisors	738	$683K	0.17%	-12	13F-HR Timeline
Scarborough Advisors, LLC	736	$682K	0.12%	+3	13F-HR Timeline
Paladin Wealth, LLC	735	$680K	0.49%	-10	13F-HR Timeline
Affinity Capital Advisors, LLC	742	$680K	0.1%	-1	13F-HR Timeline
Jupiter Wealth Management LLC	734	$679K	0.32%	-105	13F-HR Timeline
J.Safra Asset Management Corp	733	$679K	0.04%	+82	13F-HR Timeline
Riverstone Advisors, LLC	732	$678K	0.33%	+6	13F-HR Timeline
Swisher Financial Concepts, Inc.	730	$676K	0.41%	+195	13F-HR Timeline
Sunflower Bank, N.A.	728	$674K	0.16%	-18	13F-HR Timeline
TigerOak Management, L.L.C.	725	$671K	0.21%	+15	13F-HR Timeline
Southland Equity Partners LLC	723	$669K	0.14%	+19	13F-HR Timeline
Poehling Capital Management, INC.	723	$669K	0.14%	+20	13F-HR Timeline
COLLECTIVE FAMILY OFFICE LLC	723	$669K	0.16%	-13	13F-HR Timeline
Royal Capital Wealth Management, LLC	721	$668K	0.41%	0	13F-HR Timeline
Smith & Howard Wealth Management, LLC	721	$668K	0.16%	-286	13F-HR Timeline
Karani Asset Management LLC	721	$667K	0.57%	+351	13F-HR Timeline
KFA Private Wealth Group, LLC	720	$667K	0.19%	+61	13F-HR Timeline
Ninepoint Partners LP	720	$666K	0.09%	-188	13F-HR Timeline
Graham Capital Management, L.P.	718	$665K	0.02%	-5,223	13F-HR Timeline
Orin Green Financial, LLC	718	$664K	0.27%	+2	13F-HR Timeline
CHAPIN DAVIS, INC.	717	$664K	0.16%	-68	13F-HR Timeline
Aberdeen Wealth Management LLC	716	$663K	0.42%	0	13F-HR Timeline
BOS Asset Management, LLC	716	$663K	0.19%	+4	13F-HR Timeline
Victrix Investment Advisors	716	$663K	0.36%	0	13F-HR Timeline
Pine Harbor Wealth Management, LLC	715	$662K	0.21%	+189	13F-HR Timeline
Ulland Investment Advisors, LLC	715	$662K	0.5%	+22	13F-HR Timeline
Oder Investment Management, LLC	714	$660K	0.47%	+2	13F-HR Timeline
Key Financial Inc	719	$660K	0.12%	+58	13F-HR Timeline
Cercano Management LLC	712	$659K	0.03%	0	13F-HR Timeline
Tidemark, LLC	712	$659K	0.19%	+41	13F-HR Timeline
Ipsen Advisor Group LLC	711	$658K	0.47%	0	13F-HR Timeline
Asio Capital, LLC	710	$657K	0.1%	0	13F-HR Timeline
STEEL GROVE CAPITAL ADVISORS, LLC	663	$657K	0.08%	0	13F-HR Timeline
FIRST COMMUNITY TRUST NA	709	$656K	0.51%	0	13F-HR Timeline
LRI Investments, LLC	709	$656K	0.05%	+5	13F-HR Timeline
Clean Yield Group	705	$653K	0.18%	0	13F-HR Timeline
WHITE PINE CAPITAL LLC	705	$653K	0.19%	0	13F-HR Timeline
MCDONALD PARTNERS LLC	702	$653K	0.19%	-1,471	13F-HR Timeline
Veridan Wealth LLC	704	$652K	0.22%		13F-HR Timeline
Fi3 FINANCIAL ADVISORS, LLC	703	$650K	0.22%	-111	13F-HR Timeline
Rothschild Capital Partners, LLC	700	$648K	0.15%	+150	13F-HR Timeline
Foundation Wealth Management, LLC	699	$647K	0.41%	+1	13F-HR Timeline
Gilman Hill Asset Management, LLC	698	$646K	0.1%	+41	13F-HR Timeline
Echo45 Advisors LLC	698	$646K	0.38%	-15	13F-HR Timeline
Hendershot Investments Inc.	697	$645K	0.08%	0	13F-HR Timeline
Verum Partners LLC	696	$644K	0.14%	-16	13F-HR Timeline
MN Wealth Advisors, LLC	695	$644K	0.34%	-5	13F-HR Timeline
Dynasty Wealth Management, LLC	695	$644K	0.01%	new	13F-HR Timeline
Alaska Wealth Advisors, LLCin group Alaska Permanent Capital Mana…	694	$643K	0.08%	-4	13F-HR Timeline Group
Quantum Financial Advisors, LLC	694	$643K	0.08%	-109	13F-HR Timeline
Rosenberg Matthew Hamilton	694	$642K	0.14%	+8	13F-HR Timeline
EWG Elevate Inc.	693	$641K	0.2%	+19	13F-HR Timeline
Palisade Asset Management, LLC	692	$641K	0.06%	+2	13F-HR Timeline
Strategic Financial Concepts, LLC	688	$637K	0.09%	-277	13F-HR Timeline
Silver Grove Financial Group, Inc.	688	$636K	0.6%		13F-HR Timeline
Financial Alternatives, Inc	687	$636K	0.39%	+14	13F-HR Timeline
J. L. Bainbridge & Co., Inc.	687	$636K	0.05%	+21	13F-HR Timeline
Crescent Grove Advisors, LLC	686	$635K	0.06%	-150	13F-HR Timeline
Warren Street Wealth Advisors, LLC	686	$635K	0.19%	+13	13F-HR Timeline
CORRECT CAPITAL WEALTH MANAGEMENT	685	$634K	0.12%	0	13F-HR Timeline
Community Bank & Trust, Waco, Texas	685	$634K	0.13%	-1	13F-HR Timeline
Drucker Wealth 3.0, LLC	685	$633K	0.11%	+28	13F-HR Timeline

Events

Wilcox William Richard sold 1,100 COST shares on 2026-10-13, Form 4 filed 2026-10-14. 0000909832-26-000098
Accepted 2026-10-14 23:00:30 UTC, ingested 2026-10-14 23:01:45 UTC