Costco (CTO) Ownership - Who Owns Costco?

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Costco (CTO) Ownership Overview

0.09% Insiders

15.95%

Mutual Funds

14.19% Other Institutional Investors

24.91% ETFs

44.86% Public Companies and

Individual Investors

The ownership structure of Costco (DE:CTO) stock is a mix of institutional, retail, and individual investors. Approximately 55.05% of the company’s stock is owned by Institutional Investors, 0.09% is owned by Insiders, and 44.86% is owned by Public Companies and Individual Investors.

The ownership structure of Costco (DE:CTO) stock is a mix of institutional, retail, and individual investors. Approximately 30.14% of the company’s stock is owned by Institutional Investors, 0.09% is owned by Insiders, and 24.91% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Apr 01, 2026	Caton Frates	xxxxxxxxxxxxx	$695100
Mar 11, 2026	Claudine Adamo	xxxxxxxxxxxxx	$732205
Jan 23, 2026	Teresa A. Jones	xxxxxxxxxxxxx	$838313
Jan 20, 2026	Susan Decker	xxxxxxxxxxxxx	$437390

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value
Dec 31, 2025	Manning & Napier Advisors Llc	xxxxxxxxxxxxx	$3449
Dec 31, 2025	Elkhorn Partners Limited Partnership	xxxxxxxxxxxxx	$129351
Dec 31, 2025	Martin Investment Management, Llc	xxxxxxxxxxxxx	$255252
Dec 31, 2025	Arq Wealth Advisors, Llc	xxxxxxxxxxxxx	$305268

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Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	37,331,053	Institution	8.41%	37,397,091,633
	30,312,712	Institution	6.83%	30,366,335,188
	20,564,075	Institution	4.64%	20,600,452,849
	16,740,958	Institution	3.77%	16,770,572,755
	15,060,429	Institution	3.39%	15,087,070,899
	7,697,528	Institution	1.74%	7,711,144,927
	7,045,509	Institution	1.59%	7,057,972,505
Ken Fisher	3,176,286	Institution	0.72%	3,181,904,850
	2,755,009	Institution	0.62%	2,759,882,611
	2,399,212	Institution	0.54%	2,403,456,206

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
30,312,712	Institution	6.83%	30,366,335,188
7,697,528	Institution	1.74%	7,711,144,927
2,755,009	Institution	0.62%	2,759,882,611
2,399,212	Institution	0.54%	2,403,456,206
1,881,546	Institution	0.42%	1,884,874,455
1,769,071	Institution	0.40%	1,772,200,487
1,637,745	Institution	0.37%	1,640,642,171
1,410,995	Institution	0.32%	1,413,491,050
1,239,426	Institution	0.28%	1,241,618,545
1,072,868	Institution	0.24%	1,074,765,903

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value

FAQ

Who Owns Costco (DE:CTO)?

According to the latest TipRanks data, approximately 14.19% of the company's stock is held by institutional investors, 0.09% is held by insiders, and 44.86% is held by retail investors.

What percentage of Costco (DE:CTO) stock is held by institutional investors?

According to the latest TipRanks data, approximately 14.19% of Costco (DE:CTO) stock is held by institutional investors.

What percentage of Costco (DE:CTO) stock is held by retail investors?

According to the latest TipRanks data, approximately 44.86% of Costco (DE:CTO) stock is held by retail investors.

Who owns the most shares of Costco (DE:CTO)?

Vanguard owns the most shares of Costco (DE:CTO).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.