COST | COSTCO WHOLESALE CORP

CUSIP: 22160K105

2 Funds Holding

8K Total Shares

$8M Total Value

$441.5B

Market Cap

51.8

P/E Ratio

44.1

Forward P/E

$19.21

EPS (TTM)

0.59%

Dividend Yield

$11.1B

Cash

$8.2B

Total Debt

444M

Shares Out

$844.06

$1096.50

52-Week Range

Fund / Manager Click to search	Shares	Value	% of Portfolio	Cost Basis	Est. Return
Gardner Russo & Quinn\|Thomas Russo	4.6K	$5M	0.05%	$249.03	+300.78%
Semper Augustus\|Christopher Bloomstran	3.4K	$3M	0.40%	—	—

Quarter:

Fund / Manager Click to search	Action	Change	Shares After	Value	Price
2026-Q1
Semper Augustus	SELL	-2.3%	3.4K	$3M	$981.25
Saber Capital Management	SELL	EXIT	—	—	$981.25
Giverny Capital	SELL	EXIT	—	—	$981.25
2025-Q4
Semper Augustus	BUY	+0.3%	3.4K	$3M	$913.86
Saber Capital Management	BUY	NEW	1.4K	$1M	$913.86
Matrix Asset Advisors	SELL	-0.2%	563	$485896	$913.86
2025-Q3
Gardner Russo & Quinn	SELL	-0.2%	4.6K	$4M	$955.90
Semper Augustus	SELL	-8.8%	3.4K	$3M	$955.90
Mairs & Power	BUY	+1.0%	3.2K	$3M	$955.90
Torray Investment Partners	SELL	-1.3%	628	$581296	$955.90
Matrix Asset Advisors	SELL	-1.6%	564	$522382	$955.90
2025-Q2
Gardner Russo & Quinn	SELL	-0.1%	4.6K	$5M	$996.78
Semper Augustus	SELL	-11.2%	3.8K	$4M	$996.78
Mairs & Power	BUY	+18.1%	3.2K	$3M	$996.78
Torray Investment Partners	SELL	-1.1%	636	$629602	$996.78
2025-Q1
Gardner Russo & Quinn	SELL	-14.1%	4.6K	$4M	$947.73
Semper Augustus	SELL	-2.4%	4.2K	$4M	$947.73
Mairs & Power	SELL	-1.4%	2.7K	$3M	$947.73
Matrix Asset Advisors	SELL	-35.9%	573	$542075	$947.73
2024-Q4
Gardner Russo & Quinn	SELL	-0.5%	5.4K	$5M	$923.89
Semper Augustus	BUY	+0.5%	4.3K	$4M	$923.89
Mairs & Power	SELL	-11.6%	2.7K	$3M	$923.89
Matrix Asset Advisors	BUY	+64.3%	894	$819145	$923.89
2024-Q3
Gardner Russo & Quinn	SELL	-1.0%	5.4K	$5M	$876.68
Mairs & Power	SELL	-17.1%	3.1K	$3M	$876.68
Torray Investment Partners	SELL	-2.3%	643	$570032	$876.68
Giverny Capital	BUY	NEW	240	$212765	$876.68
2024-Q2
Semper Augustus	SELL	-0.6%	4.3K	$4M	$787.04
Mairs & Power	SELL	-18.4%	3.7K	$3M	$787.04
Torray Investment Partners	SELL	-0.6%	658	$559293	$787.04
Matrix Asset Advisors	SELL	-0.6%	544	$462000	$787.04
2024-Q1
Gardner Russo & Quinn	SELL	-1.3%	5.5K	$4M	$723.02
Mairs & Power	SELL	-7.2%	4.6K	$3M	$723.02
Semper Augustus	BUY	+0.3%	4.4K	$3M	$723.02
Torray Investment Partners	SELL	-23.2%	662	$485001	$723.02
2023-Q4
Gardner Russo & Quinn	BUY	+7.9%	5.5K	$4M	$578.23
Mairs & Power	BUY	+43.1%	4.9K	$3M	$578.23
Semper Augustus	BUY	+9.0%	4.3K	$3M	$578.23
Matrix Asset Advisors	SELL	-1.8%	547	$361064	$578.23
2023-Q3
Gardner Russo & Quinn	SELL	-1.6%	5.1K	$3M	$555.08
Semper Augustus	SELL	-4.5%	4.0K	$2M	$555.08
Mairs & Power	SELL	-4.8%	3.5K	$2M	$555.08
Torray Investment Partners	BUY	+30.2%	862	$486996	$555.08
Matrix Asset Advisors	BUY	+0.2%	557	$314683	$555.08
2023-Q2
Gardner Russo & Quinn	BUY	+1.9%	5.2K	$3M	$501.89
Semper Augustus	SELL	-2.3%	4.2K	$2M	$501.89
Mairs & Power	BUY	+0.6%	3.6K	$2M	$501.89
Giverny Capital	SELL	EXIT	—	—	$501.89
2023-Q1
Gardner Russo & Quinn	SELL	-4.8%	5.1K	$3M	$487.76
Semper Augustus	SELL	-14.1%	4.3K	$2M	$487.76
Mairs & Power	BUY	+15.1%	3.6K	$2M	$487.76
Torray Investment Partners	SELL	-1.2%	662	$328928	$487.76
Matrix Asset Advisors	BUY	NEW	556	$276260	$487.76
2022-Q4
Semper Augustus	SELL	-2.9%	5.0K	$2M	$486.13
2022-Q3
Gardner Russo & Quinn	SELL	-3.6%	5.4K	$3M	$524.20
Mairs & Power	SELL	-1.4%	3.1K	$1M	$524.20
Torray Investment Partners	BUY	NEW	670	$316000	$524.20
2022-Q2
Gardner Russo & Quinn	SELL	-2.6%	5.6K	$3M	$489.08
Semper Augustus	SELL	-0.9%	5.1K	$2M	$489.08
Mairs & Power	SELL	-0.1%	3.2K	$2M	$489.08
2022-Q1
Gardner Russo & Quinn	BUY	+9.0%	5.7K	$3M	$522.02
Semper Augustus	SELL	-6.1%	5.2K	$3M	$522.02
Mairs & Power	BUY	+0.1%	3.2K	$2M	$522.02
Giverny Capital	BUY	NEW	350	$202000	$522.02
2021-Q4
Semper Augustus	SELL	-0.1%	5.5K	$3M	$519.89
Mairs & Power	BUY	+19.5%	3.2K	$2M	$519.89
2021-Q3
Semper Augustus	SELL	-18.4%	5.5K	$2M	$447.35
Gardner Russo & Quinn	BUY	+1.9%	5.3K	$2M	$447.35
Mairs & Power	SELL	-17.9%	2.7K	$1M	$447.35
2021-Q2
Semper Augustus	SELL	-0.1%	6.8K	$3M	$379.68
Gardner Russo & Quinn	SELL	-2.4%	5.2K	$2M	$379.68
Mairs & Power	SELL	-2.4%	3.2K	$1M	$379.68
2021-Q1
Gardner Russo & Quinn	SELL	-1.9%	5.3K	$2M	$353.38
Mairs & Power	SELL	-3.3%	3.3K	$1M	$353.38
2020-Q4
Semper Augustus	SELL	-60.8%	6.8K	$3M	$374.29
Gardner Russo & Quinn	BUY	+0.0%	5.4K	$2M	$374.29
Mairs & Power	BUY	+2.4%	3.4K	$1M	$374.29
2020-Q3
Berkshire Hathaway	SELL	EXIT	—	—	$339.53
Semper Augustus	SELL	-10.0%	17.2K	$6M	$339.53
Gardner Russo & Quinn	SELL	-0.5%	5.4K	$2M	$339.53
Mairs & Power	SELL	-4.0%	3.4K	$1M	$339.53
2020-Q2
Semper Augustus	SELL	-0.8%	19.2K	$6M	$304.82
Ariel Investments	SELL	EXIT	—	—	$304.82
Gardner Russo & Quinn	BUY	+7.8%	5.4K	$2M	$304.82
2020-Q1
Ariel Investments	SELL	-70.9%	13.1K	$4M	$305.22
Semper Augustus	SELL	-0.0%	19.3K	$6M	$305.22
Gardner Russo & Quinn	SELL	-2.6%	5.0K	$1M	$305.22
2019-Q4
Ariel Investments	BUY	+0.8%	44.9K	$13M	$297.14
Semper Augustus	SELL	-1.5%	19.3K	$6M	$297.14
Gardner Russo & Quinn	SELL	-0.1%	5.2K	$2M	$297.14
Mairs & Power	BUY	+1.2%	3.5K	$1M	$297.14
Sequoia Fund	SELL	EXIT	—	—	$297.14
2019-Q3
Ariel Investments	SELL	-51.9%	44.6K	$13M	$280.13
Semper Augustus	BUY	+0.5%	19.6K	$6M	$280.13
Davis Selected Advisers	SELL	EXIT	—	—	$280.13
Gardner Russo & Quinn	BUY	+1.5%	5.2K	$1M	$280.13
Mairs & Power	BUY	+0.9%	3.5K	$995000	$280.13
Sequoia Fund	SELL	-2.6%	2.4K	$696000	$280.13
2019-Q2
Ariel Investments	SELL	-31.4%	92.6K	$24M	$245.81
Markel Group	BUY	+0.4%	39.1K	$10M	$245.81
Semper Augustus	BUY	+0.1%	19.5K	$5M	$245.81
Gardner Russo & Quinn	SELL	-2.6%	5.1K	$1M	$245.81
Mairs & Power	SELL	-0.9%	3.4K	$904000	$245.81
Sequoia Fund	SELL	-14.8%	2.5K	$655000	$245.81
2019-Q1
Ariel Investments	SELL	-1.9%	135.0K	$33M	$214.63
Mairs & Power	SELL	-2.0%	3.5K	$836000	$214.63
Sequoia Fund	SELL	-3.8%	2.9K	$705000	$214.63
2018-Q4
Ariel Investments	SELL	-0.3%	137.6K	$28M	$227.31
Sequoia Fund	SELL	-85.1%	3.0K	$616000	$227.31
Semper Augustus	SELL	-1.5%	19.5K	$4M	$227.31
Davis Selected Advisers	SELL	-43.0%	7.7K	$2M	$227.31
2018-Q3
Ariel Investments	SELL	-40.0%	138.0K	$32M	$223.86
Sequoia Fund	SELL	-2.2%	20.3K	$5M	$223.86
Gardner Russo & Quinn	SELL	-4.5%	5.2K	$1M	$223.86
Mairs & Power	SELL	-4.1%	3.5K	$827000	$223.86
2018-Q2
Ariel Investments	BUY	+1.4%	230.0K	$48M	$196.94
Sequoia Fund	SELL	-0.5%	20.7K	$4M	$196.94
Semper Augustus	SELL	-0.2%	19.8K	$4M	$196.94
Mairs & Power	BUY	+5.8%	3.7K	$767000	$196.94
2018-Q1
Ariel Investments	SELL	-3.3%	226.8K	$43M	$188.48
Semper Augustus	SELL	-2.0%	19.9K	$4M	$188.48
Davis Selected Advisers	SELL	-0.8%	13.5K	$3M	$188.48
Gardner Russo & Quinn	BUY	NEW	5.5K	$1M	$188.48
Mairs & Power	BUY	+20.7%	3.5K	$654000	$188.48

6 Months Insider Sentiment

100%

Buy $0 Sell $3.6M

0 Buys

3 Sells

-3.6M Net

2 Grants

Largest

$1.8M Polit

$1.4M Miller

$481K Polit

Date	Insider Click to search	Role Click to search	Type	Shares	Price	Value
Jan 09, 2026	Russell D Miller	Sr. Executive Vice President	SELL	1.5K	$916.32	$1.4M
Dec 30, 2025	Javier Polit	Executive Vice President	SELL	558	$862.89	$481K
Dec 29, 2025	Javier Polit	Executive Vice President	SELL	2.0K	$867.21	$1.8M
Dec 19, 2025	Kenneth D Denman	Director	GRANT	325	—	—
Dec 15, 2025	Susan L Decker	Director	GRANT	2.8K	—	—

COST | COSTCO WHOLESALE CORP

Institutional Ownership of COSTCO WHOLESALE CORP

Trading Activity for COSTCO WHOLESALE CORP

Insider Trading for COSTCO WHOLESALE CORP