Costco Wholesale Corporation

BMV:COST * Stock Report

Market Cap: Mex$8.0t

Costco Wholesale Ownership

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

Recent Insider Transactions

BMV:COST * Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
09 Mar 26SellMex$12,989,030Claudine AdamoIndividual730Mex$17,793.19
21 Jan 26SellMex$14,631,922Teresa JonesIndividual850Mex$17,214.03
16 Jan 26SellMex$7,735,811Susan DeckerIndividual458Mex$16,890.42
14 Jan 26SellMex$25,087,075James KlauerIndividual1,500Mex$16,724.72
09 Jan 26SellMex$24,718,923Russell MillerIndividual1,500Mex$16,479.28
30 Dec 25SellMex$40,532,150Javier PolitIndividual2,607.31Mex$15,562.17
07 Nov 25SellMex$41,296,433William WilcoxIndividual2,400Mex$17,206.85
24 Oct 25SellMex$46,448,203Claudine AdamoIndividual2,700Mex$17,203.04
24 Oct 25SellMex$21,297,008Tiffany BarbreIndividual1,239.38Mex$17,183.56
29 Sep 25SellMex$25,700,699Caton FratesIndividual1,540Mex$16,688.77
29 Sep 25SellMex$56,733,496Russell MillerIndividual3,381Mex$16,780.09
20 Aug 25SellMex$11,162,110Teresa JonesIndividual600Mex$18,603.52
14 Jul 25SellMex$73,128,075Yoram RubanenkoIndividual4,000Mex$18,282.02
18 Jun 25SellMex$10,185,217Susan DeckerIndividual547Mex$18,620.20
09 Jun 25SellMex$57,315,898Patrick CallansIndividual3,000Mex$19,105.30
06 Jun 25SellMex$38,837,368Pierre RielIndividual2,000Mex$19,418.68
17 Apr 25SellMex$77,718,011James KlauerIndividual4,000Mex$19,429.50
27 Mar 25SellMex$20,961,175Gary MillerchipIndividual1,100Mex$19,055.61
24 Mar 25SellMex$16,689,609Claudine AdamoIndividual900Mex$18,544.01
18 Mar 25SellMex$15,267,445Caton FratesIndividual850Mex$17,961.70

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 TypeNumber of SharesOwnership Percentage
Public Companies3440.0000775%
Private Companies1,1360.000256%
State or Government452,1150.102%
Individual Insiders765,7230.173%
General Public133,596,67930.1%
Institutions308,876,00369.6%

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

Top Shareholders

Top 25 shareholders own 40.87% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.83%
The Vanguard Group, Inc.
43,620,717Mex$785.1b0.38%0.51%
7.88%
BlackRock, Inc.
34,983,422Mex$629.7b0.97%0.44%
4.09%
State Street Global Advisors, Inc.
18,147,159Mex$326.6b-0.1%0.55%
2.34%
Geode Capital Management, LLC
10,388,519Mex$187.0b0.26%0.55%
1.36%
Norges Bank Investment Management
6,024,787Mex$108.4b4.78%0.38%
1.33%
Morgan Stanley
5,880,612Mex$105.8b3.55%0.54%
1.23%
UBS Asset Management AG
5,472,794Mex$98.5b-7.6%0.43%
1.23%
FMR LLC
5,462,151Mex$98.3b-18.3%0.27%
1.2%
Capital Research and Management Company
5,332,763Mex$96.0b-1.86%0.21%
1.11%
Northern Trust Global Investments
4,913,721Mex$88.4b-2.89%0.6%
0.85%
Invesco Capital Management LLC
3,777,661Mex$68.0b5.8%1.02%
0.77%
Eaton Vance Management
3,421,138Mex$61.6b0.55%0.64%
0.74%
Charles Schwab Investment Management, Inc.
3,282,011Mex$59.1b2.46%0.43%
0.72%
Fisher Asset Management, LLC
3,176,286Mex$57.2b0.99%1.05%
0.68%
BNY Asset Management
3,033,201Mex$54.6b1.87%0.51%
0.67%
Wells Fargo & Company
2,979,103Mex$53.6b-4.04%0.6%
0.64%
AllianceBernstein L.P.
2,848,432Mex$51.3b-6.9%0.81%
0.59%
Amundi Asset Management SAS
2,630,603Mex$47.3b-17.4%0.43%
0.57%
Merrill Lynch, Pierce, Fenner & Smith Incorporated
2,519,823Mex$45.4b-2.73%0.77%
0.56%
Legal & General Investment Management Limited
2,492,559Mex$44.9b-1.89%0.46%
0.54%
Goldman Sachs Asset Management, L.P.
2,377,584Mex$42.8b-6.62%0.46%
0.52%
Managed Account Advisors LLC
2,300,291Mex$41.4b-3.91%0.34%
0.5%
Jennison Associates LLC
2,227,635Mex$40.1b-21.1%1.32%
0.47%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
2,100,825Mex$37.8b-13.9%0.42%
0.44%
T. Rowe Price Group, Inc.
1,955,673Mex$35.2b13.5%0.16%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/03/13 23:37
End of Day Share Price 2026/03/13 00:00
Earnings2026/02/15
Annual Earnings2025/08/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Costco Wholesale Corporation is covered by 62 analysts. 31 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Christopher GrajaArgus Research Company
Peter BenedictBaird
Meredith AdlerBarclays