Costco Wholesale Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:COST Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
11 Mar 24	SellUS$1,787,150	Patrick Callans	Individual	2,500	US$714.86
11 Mar 24	SellUS$1,072,238	Claudine Adamo	Individual	1,500	US$714.83
09 Feb 24	SellUS$1,043,257	Susan Decker	Individual	1,442	US$723.48
23 Jan 24	SellUS$5,487,456	W. Jelinek	Individual	8,000	US$685.93
18 Jan 24	SellUS$1,700,813	Yoram Rubanenko	Individual	2,500	US$680.33
16 Jan 24	SellUS$505,789	Caton Frates	Individual	740	US$683.50
09 Jan 24	SellUS$927,220	Daniel Hines	Individual	1,400	US$662.30
28 Dec 23	SellUS$927,934	Daniel Hines	Individual	1,400	US$662.81
19 Dec 23	SellUS$756,248	Richard Galanti	Individual	1,111.78	US$680.21
08 Nov 23	SellUS$1,132,179	Richard Galanti	Individual	2,000	US$567.30
07 Nov 23	SellUS$1,713,345	Pierre Riel	Individual	3,000	US$571.12
03 Nov 23	SellUS$2,509,864	Russell Miller	Individual	4,500	US$557.75
23 Oct 23	SellUS$1,407,980	Claudine Adamo	Individual	2,565	US$548.92
11 Oct 23	SellUS$843,017	James Klauer	Individual	1,500	US$562.01
10 Oct 23	SellUS$1,131,131	Richard Galanti	Individual	2,000	US$565.57
09 Oct 23	SellUS$1,384,400	Patrick Callans	Individual	2,500	US$553.76
06 Oct 23	SellUS$675,170	Caton Frates	Individual	1,200	US$562.64
28 Jun 23	SellUS$834,145	Susan Decker	Individual	1,565	US$533.00
13 Jun 23	SellUS$783,038	Richard Galanti	Individual	1,500	US$522.03
07 Jun 23	SellUS$2,041,659	Susan Decker	Individual	3,971	US$517.50

Insider Trading Volume

Insider Buying: COST insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of COST?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	90,993	0.0205%
State or Government	466,369	0.105%
Individual Insiders	814,363	0.184%
General Public	134,797,131	30.4%
Institutions	307,335,180	69.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 40.13% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.1%	The Vanguard Group, Inc.	40,360,168	US$29.5b	1.22%	0.5%
6.9%	BlackRock, Inc.	30,611,986	US$22.4b	1.98%	0.4%
4.21%	State Street Global Advisors, Inc.	18,661,237	US$13.6b	1.1%	0.57%
1.98%	Geode Capital Management, LLC	8,783,173	US$6.4b	2.2%	0.55%
1.88%	FMR LLC	8,317,007	US$6.1b	2.37%	0.4%
1.24%	Norges Bank Investment Management	5,497,355	US$4.0b	7.76%	0.35%
1.15%	Morgan Stanley, Investment Banking and Brokerage Investments	5,079,253	US$3.7b	2.3%	0.5%
1.13%	Northern Trust Global Investments	5,018,900	US$3.7b	-2.26%	0.59%
1.12%	UBS Asset Management AG	4,969,830	US$3.6b	2.41%	0.52%
1.07%	Capital Research and Management Company	4,760,519	US$3.5b	4.69%	0.18%
1%	AllianceBernstein L.P.	4,448,609	US$3.3b	0.42%	1.04%
0.9%	BNY Mellon Asset Management	3,975,618	US$2.9b	-4.35%	0.54%
0.85%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	3,781,873	US$2.8b	-1.76%	0.74%
0.79%	Legal & General Investment Management Limited	3,502,880	US$2.6b	25.5%	0.53%
0.76%	Jennison Associates LLC	3,359,739	US$2.5b	-6.02%	1.52%
0.75%	Eaton Vance Management	3,319,798	US$2.4b	1.34%	0.66%
0.72%	Managed Account Advisors LLC	3,186,061	US$2.3b	-1.15%	0.49%
0.67%	Wells Fargo & Company, Securities and Brokerage Investments	2,984,322	US$2.2b	-0.44%	0.74%
0.64%	Merrill Lynch & Co. Inc., Banking Investments	2,826,512	US$2.1b	1.04%	0.82%
0.63%	Fisher Asset Management, LLC	2,790,935	US$2.0b	3.02%	0.97%
0.6%	Charles Schwab Investment Management, Inc.	2,659,359	US$1.9b	-0.01%	0.35%
0.57%	JP Morgan Asset Management	2,511,585	US$1.8b	-4.62%	0.23%
0.56%	Wellington Management Group LLP	2,479,532	US$1.8b	-7.81%	0.28%
0.5%	Goldman Sachs Asset Management, L.P.	2,195,429	US$1.6b	-6.33%	0.46%
0.43%	Invesco Capital Management LLC	1,894,677	US$1.4b	27.1%	0.69%