Costco Wholesale Ownership

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

Recent Insider Transactions

WBAG:COST Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
17 Apr 24	Sell€533,340	Russell Miller	Individual	785	€679.41
11 Mar 24	Sell€1,635,421	Patrick Callans	Individual	2,500	€654.17
11 Mar 24	Sell€981,205	Claudine Adamo	Individual	1,500	€654.14
09 Feb 24	Sell€967,516	Susan Decker	Individual	1,442	€670.95
23 Jan 24	Sell€5,064,373	W. Jelinek	Individual	8,000	€633.05
18 Jan 24	Sell€1,565,428	Yoram Rubanenko	Individual	2,500	€626.17
16 Jan 24	Sell€464,315	Caton Frates	Individual	740	€627.45
09 Jan 24	Sell€848,592	Daniel Hines	Individual	1,400	€606.14
28 Dec 23	Sell€837,739	Daniel Hines	Individual	1,400	€598.38
19 Dec 23	Sell€688,866	Richard Galanti	Individual	1,111.78	€619.61
08 Nov 23	Sell€1,057,228	Richard Galanti	Individual	2,000	€529.74
07 Nov 23	Sell€1,603,177	Pierre Riel	Individual	3,000	€534.39
03 Nov 23	Sell€2,337,186	Russell Miller	Individual	4,500	€519.37
23 Oct 23	Sell€1,323,501	Claudine Adamo	Individual	2,565	€515.98
11 Oct 23	Sell€794,122	James Klauer	Individual	1,500	€529.41
10 Oct 23	Sell€1,066,883	Richard Galanti	Individual	2,000	€533.44
09 Oct 23	Sell€1,312,827	Patrick Callans	Individual	2,500	€525.13
06 Oct 23	Sell€638,373	Caton Frates	Individual	1,200	€531.98
28 Jun 23	Sell€764,160	Susan Decker	Individual	1,565	€488.28
13 Jun 23	Sell€725,014	Richard Galanti	Individual	1,500	€483.34
07 Jun 23	Sell€1,907,113	Susan Decker	Individual	3,971	€483.40

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	89,283	0.0201%
State or Government	466,369	0.105%
Individual Insiders	813,578	0.183%
General Public	134,178,538	30.3%
Institutions	307,956,268	69.4%

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

Top Shareholders

Top 25 shareholders own 40.09% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.1%	The Vanguard Group, Inc.	40,360,168	€27.2b	1.22%	0.49%
6.9%	BlackRock, Inc.	30,611,986	€20.7b	1.98%	0.4%
4.21%	State Street Global Advisors, Inc.	18,661,237	€12.6b	1.1%	0.56%
1.98%	Geode Capital Management, LLC	8,783,173	€5.9b	2.2%	0.54%
1.88%	FMR LLC	8,317,007	€5.6b	2.37%	0.4%
1.24%	Norges Bank Investment Management	5,497,355	€3.7b	7.76%	0.35%
1.15%	Morgan Stanley, Investment Banking and Brokerage Investments	5,079,253	€3.4b	2.3%	0.5%
1.13%	Northern Trust Global Investments	5,018,900	€3.4b	-2.26%	0.59%
1.12%	UBS Asset Management AG	4,969,830	€3.4b	2.41%	0.51%
1.07%	Capital Research and Management Company	4,760,519	€3.2b	4.69%	0.18%
1%	AllianceBernstein L.P.	4,448,609	€3.0b	0.42%	1.04%
0.86%	BNY Mellon Asset Management	3,792,772	€2.6b	-4.6%	0.53%
0.85%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	3,781,873	€2.6b	-1.76%	0.74%
0.79%	Legal & General Investment Management Limited	3,502,880	€2.4b	25.5%	0.52%
0.76%	Jennison Associates LLC	3,359,739	€2.3b	-6.02%	1.53%
0.75%	Eaton Vance Management	3,319,798	€2.2b	0%	0.66%
0.72%	Managed Account Advisors LLC	3,186,061	€2.2b	-1.15%	0.49%
0.67%	Wells Fargo & Company, Securities and Brokerage Investments	2,984,322	€2.0b	-0.44%	0.74%
0.64%	Merrill Lynch & Co. Inc., Banking Investments	2,826,512	€1.9b	1.04%	0.81%
0.63%	Fisher Asset Management, LLC	2,790,935	€1.9b	3.02%	0.97%
0.6%	Charles Schwab Investment Management, Inc.	2,659,359	€1.8b	-0.01%	0.35%
0.57%	JP Morgan Asset Management	2,511,585	€1.7b	-4.62%	0.23%
0.56%	Wellington Management Group LLP	2,479,532	€1.7b	-7.81%	0.28%
0.5%	Goldman Sachs Asset Management, L.P.	2,195,429	€1.5b	-6.33%	0.46%
0.43%	Invesco Capital Management LLC	1,894,677	€1.3b	27.1%	0.68%