COST Insider Trading

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Insider Ownership Percentage: 0.10%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $16,906,901.94

Costco Wholesale Insider Trading History Chart

Costco Wholesale Share Price & Price History

^$895.31

▲ +1.38 (0.15%)

As of 09/18/2026 04:00 PM ET

Days: 30 | 90 | 365

Costco Wholesale Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
6/23/2026	Kenneth D. Denman	Director	Sell	885	$957.45	$847,343.25	4,779
3/9/2026	Claudine Adamo	EVP	Sell	730	$1,003.02	$732,204.60	6,121
1/21/2026	Teresa A Jones	EVP	Sell	850	$986.26	$838,321.00	4,228
1/16/2026	Susan L. Decker	Director	Sell	458	$955.00	$437,390.00	8,532
1/14/2026	James C Klauer	EVP	Sell	1,500	$939.00	$1,408,500.00	44,837
1/9/2026	Russell D. Miller	EVP	Sell	1,500	$916.32	$1,374,480.00	8,240
12/30/2025	Javier Polit	EVP	Sell	558	$862.89	$481,492.62	10,190
12/29/2025	Javier Polit	EVP	Sell	2,049	$867.21	$1,776,913.29	10,748
11/7/2025	William Richard Wilcox	EVP	Sell	2,400	$930.13	$2,232,312.00	2,000
10/24/2025	Claudine Adamo	EVP	Sell	2,700	$935.68	$2,526,336.00	6,851
10/24/2025	Tiffany Marie Barbre	Insider	Sell	1,239	$934.62	$1,157,994.18	5,155
9/29/2025	Russell D. Miller	EVP	Sell	3,381	$915.00	$3,093,615.00	9,740
8/20/2025	Teresa A Jones	EVP	Sell	600	$992.05	$595,230.00	2,362
7/14/2025	Yoram Rubanenko	EVP	Sell	4,000	$974.96	$3,899,840.00	5,774
6/18/2025	Susan L. Decker	Director	Sell	547	$980.00	$536,060.00	11,531
6/9/2025	Patrick J Callans	EVP	Sell	3,000	$1,002.77	$3,008,310.00	58,543
6/6/2025	Pierre Riel	EVP	Sell	2,000	$1,014.15	$2,028,300.00	8,210
4/17/2025	James C Klauer	EVP	Sell	4,000	$981.07	$3,924,280.00	43,994
3/27/2025	Gary Millerchip	EVP	Sell	1,100	$940.01	$1,034,011.00	11,165
3/24/2025	Claudine Adamo	EVP	Sell	900	$922.56	$830,304.00	6,987
3/11/2025	Roland Michael Vachris	CEO	Sell	3,600	$931.00	$3,351,600.00	41,077
10/24/2024	Richard A Galanti	EVP	Sell	1,416	$894.68	$1,266,866.88	27,400
10/15/2024	Pierre Riel	EVP	Sell	2,000	$896.71	$1,793,420.00	10,210
10/11/2024	Russell D. Miller	EVP	Sell	4,400	$891.15	$3,921,060.00	10,202
9/30/2024	Claudine Adamo	EVP	Sell	3,200	$888.99	$2,844,768.00	8,630
8/15/2024	Richard A Galanti	EVP	Sell	500	$874.05	$437,025.00	22,900
8/15/2024	Susan L. Decker	Director	Sell	620	$876.50	$543,430.00	11,775
8/13/2024	Richard A Galanti	EVP	Sell	500	$863.88	$431,940.00	23,800
7/25/2024	Teresa A Jones	EVP	Sell	4	$832.55	$3,330.20	4,935
7/15/2024	Daniel M. Hines	Insider	Sell	1,500	$848.53	$1,272,795.00	10,992
7/15/2024	Kenneth D. Denman	Director	Sell	350	$851.53	$298,035.50	5,920
7/12/2024	Daniel M. Hines	Insider	Sell	1,500	$844.20	$1,266,300.00	12,492
4/17/2024	Russell D. Miller	EVP	Sell	785	$722.86	$567,445.10	10,000
3/11/2024	Claudine Adamo	EVP	Sell	1,500	$714.83	$1,072,245.00	6,695
2/9/2024	Susan L. Decker	Director	Sell	1,442	$723.48	$1,043,258.16	12,395
1/23/2024	W. Craig Jelinek	Director	Sell	8,000	$685.93	$5,487,440.00	216,212
1/18/2024	Yoram Rubanenko	VP	Sell	2,500	$680.33	$1,700,825.00	5,910
1/16/2024	Caton Frates	EVP	Sell	740	$683.50	$505,790.00	6,721
1/9/2024	Daniel M. Hines	Insider	Sell	1,400	$662.30	$927,220.00	13,922
12/19/2023	Richard A Galanti	CFO	Sell	1,112	$680.21	$756,393.52	24,300
11/8/2023	Richard A Galanti	CFO	Sell	2,000	$566.09	$1,132,180.00	25,412
11/7/2023	Pierre Riel	EVP	Sell	3,000	$571.12	$1,713,360.00	7,422
11/3/2023	Russell D. Miller	EVP	Sell	4,500	$557.75	$2,509,875.00	10,785
10/23/2023	Claudine Adamo	EVP	Sell	2,565	$548.92	$1,407,979.80	8,128
10/11/2023	James C Klauer	EVP	Sell	1,500	$562.01	$843,015.00	45,134
10/10/2023	Richard A Galanti	CFO	Sell	2,000	$565.57	$1,131,140.00	28,138
10/9/2023	Patrick J Callans	VP	Sell	2,500	$553.76	$1,384,400.00	67,934
10/6/2023	Caton Frates	EVP	Sell	1,200	$562.64	$675,168.00	8,363

SEC Filings (Institutional Ownership Changes) for Costco Wholesale (NASDAQ:COST)

68.48% of Costco Wholesale stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Costco Wholesale Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/18/2026	Security National Bank of SO Dak	158	$0.15M	0.1%	-66.6%	0.000%
9/17/2026	Wellington Altus USA Inc.	1,166	$1.16M	0.8%	+16.3%	0.000%
9/16/2026	IKE Capital LLC	2,272	$2.12M	1.1%	-6.8%	0.001%
9/15/2026	Anchor Investment Management LLC	8,350	$7.80M	0.6%	-2.0%	0.002%
9/15/2026	Reynders McVeigh Capital Management LLC	10,721	$10.03M	0.4%	+1.7%	0.002%
9/11/2026	Bullseye Investment Management LLC	37	$35K	0.0%	N/A	0.000%
9/11/2026	Smith Chas P & Associates PA Cpas	2,826	$2.64M	0.1%	-16.3%	0.001%
9/11/2026	Talon Private Wealth LLC	1,033	$0.97M	0.1%	+21.7%	0.000%
9/11/2026	Marathon Wealth Advisors LLC	5,858	$5.48M	1.9%	+1.2%	0.001%
9/10/2026	U S Wealth Group LLC.	2,995	$2.80M	1.4%	+17.6%	0.001%
9/9/2026	Pecaut & CO.	7,077	$6.62M	2.1%	-0.7%	0.002%
9/9/2026	Rench Wealth Management Inc.	7,792	$7.29M	2.0%	-0.3%	0.002%
9/9/2026	Bouchey Financial Group Ltd.	499	$0.47M	0.0%	-8.8%	0.000%
9/9/2026	Miramontes Capital LLC	6,159	$5.76M	1.8%	+4.2%	0.001%
9/9/2026	Core Capital Management & Research inc.	40	$39K	0.0%	N/A	0.000%
9/9/2026	The Manufacturers Life Insurance Company	444,473	$415.79M	0.2%	+24.4%	0.100%
9/9/2026	Capstone Financial Advisors Inc.	4,029	$3.77M	0.2%	+0.4%	0.001%
9/9/2026	Tortoise Investment Management LLC	1,444	$1.35M	0.1%	+1.0%	0.000%
9/9/2026	Sequoia Financial Advisors LLC	94,833	$88.71M	0.4%	-2.5%	0.021%
9/9/2026	Van Hulzen Asset Management LLC	12,989	$12.15M	0.9%	+2.3%	0.003%
9/9/2026	Cahill Financial Advisors Inc.	1,203	$1.13M	0.1%	-5.4%	0.000%
9/9/2026	IPG Investment Advisors LLC	3,975	$3.72M	0.5%	-28.4%	0.001%
9/9/2026	Archford Capital Strategies LLC	5,353	$5.01M	0.5%	+33.0%	0.001%
9/9/2026	Gemmer Asset Management LLC	1,342	$1.26M	0.1%	+5.0%	0.000%
9/9/2026	National Pension Service	966,727	$904.34M	0.6%	+3.6%	0.218%
9/9/2026	WINTON GROUP Ltd	4,960	$4.64M	0.1%	+805.1%	0.001%
9/9/2026	Engineers Gate Manager LP	8,172	$7.65M	0.1%	-60.5%	0.002%
9/9/2026	Cidel Asset Management Inc.	2,825	$2.64M	0.1%	+5.2%	0.001%
9/9/2026	Capital Analysts LLC	5,733	$5.36M	0.1%	-5.3%	0.001%
9/9/2026	Summit Financial Strategies Inc.	421	$0.39M	0.0%	+3.2%	0.000%
9/9/2026	SVB Wealth LLC	8,736	$8.17M	0.5%	-2.0%	0.002%
9/9/2026	Insight Wealth Partners LLC	287	$0.27M	0.0%	+9.1%	0.000%
9/9/2026	Capital Advantage Inc.	1,233	$1.15M	0.1%	-3.0%	0.000%
9/9/2026	Pinnacle Wealth Management Advisory Group LLC	6,485	$6.07M	0.4%	+2.4%	0.001%
9/9/2026	NorthRock Partners LLC	8,525	$7.97M	0.1%	+11.3%	0.002%
9/9/2026	Integrated Wealth Concepts LLC	34,598	$32.37M	0.2%	+35.2%	0.008%
9/9/2026	Community Bank N.A.	115	$0.11M	0.0%	+15.0%	0.000%
9/9/2026	RFG Advisory LLC	6,888	$6.44M	0.1%	+13.8%	0.002%
9/9/2026	NewEdge Advisors LLC	155,824	$145.77M	0.4%	+1.9%	0.035%
9/9/2026	Cypress Capital Management LLC WY	4,309	$4.03M	3.4%	-2.0%	0.001%
9/9/2026	Hedeker Wealth LLC	339	$0.32M	0.1%	-49.5%	0.000%
9/9/2026	Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD	8,670	$8.11M	1.0%	+119.7%	0.002%
9/9/2026	IFP Advisors Inc	29,628	$27.72M	0.5%	-4.1%	0.007%
9/9/2026	Roble Belko & Company Inc	123	$0.12M	0.0%	-9.6%	0.000%
9/9/2026	Baird Financial Group Inc.	622,012	$581.87M	0.8%	+1.1%	0.140%
9/9/2026	Sterling Investment Advisors Ltd.	8,656	$8.10M	1.2%	-7.7%	0.002%
9/9/2026	Stableford Capital II LLC	1,247	$1.17M	0.4%	+9.3%	0.000%
9/9/2026	XY Planning Network Inc.	443	$0.41M	0.1%	-33.4%	0.000%
9/9/2026	BayBridge Capital Group LLC	1,828	$1.71M	0.9%	+4.8%	0.000%
9/8/2026	Ramsay Stattman Vela & Price Inc.	12,457	$11.65M	2.1%	-1.1%	0.003%
9/8/2026	Connective Capital Management LLC	5,935	$5.55M	4.0%	+1,790.1%	0.001%
9/8/2026	Allworth Financial LP	63,703	$59.59M	0.3%	-13.2%	0.014%
9/8/2026	Arizona State Retirement System	123,105	$115.16M	0.6%	+1.2%	0.028%
9/8/2026	West Family Investments Inc.	984	$0.92M	0.3%	-17.0%	0.000%
9/8/2026	Waverly Advisors LLC	87,623	$81.97M	0.5%	+79.2%	0.020%
9/8/2026	Bank OZK	4,663	$4.36M	1.3%	+6.1%	0.001%
9/8/2026	Empirical Finance LLC	15,385	$14.39M	0.6%	+3.6%	0.003%
9/8/2026	Nykredit A S	121,175	$113.36M	0.3%	N/A	0.027%
9/4/2026	Parkside Financial Bank & Trust	3,215	$3.01M	0.2%	+1.3%	0.001%
9/2/2026	MLG Wealth Management DBA Pine Grove Financial Group	480	$0.45M	0.0%	+10.1%	0.000%
9/2/2026	Range Advisory LLC	999	$0.94M	0.1%	-10.3%	0.000%
9/1/2026	Agur Provident & Training Funds Management Ltd.	5,815	$5.12M	1.2%	N/A	0.001%
8/28/2026	Cornerstone Financial Management LLC	152	$0.14M	0.1%	+16.0%	0.000%
8/28/2026	NWM Advisors LLC	328	$0.31M	0.2%	-16.5%	0.000%
8/27/2026	Corient Private Wealth LP	754,706	$706.01M	1.0%	-0.6%	0.170%
8/27/2026	Formuepleje A S	2,237	$2.09M	0.2%	N/A	0.001%
8/26/2026	HORAN Wealth LLC	830	$0.78M	0.1%	+3.4%	0.000%
8/26/2026	Amundi	2,424,461	$2.27B	0.5%	-14.6%	0.547%
8/26/2026	Schulz Wealth LTD.	328	$0.31M	0.2%	N/A	0.000%
8/26/2026	Wellington Grp LLC	456	$0.43M	0.1%	-13.1%	0.000%
8/26/2026	Brown Financial Advisors	1,177	$1.10M	0.4%	+10.2%	0.000%
8/26/2026	HighTower Advisors LLC	448,285	$419.36M	0.4%	+3.1%	0.101%
8/25/2026	Advus Financial Partners LLC	611	$0.57M	0.1%	-10.1%	0.000%
8/25/2026	Tobias Financial Advisors Inc.	591	$0.55M	0.1%	-2.8%	0.000%
8/25/2026	Groupe la Francaise	53,335	$49.62M	0.6%	+18.5%	0.012%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	62,907	$58.85M	0.4%	N/A	0.014%
8/25/2026	Financial Insights Inc.	2,632	$2.46M	0.7%	+1.1%	0.001%
8/24/2026	Strategic Financial Services Inc.	2,883	$2.70M	0.1%	-3.2%	0.001%
8/24/2026	Carlson Financial Inc.	1,760	$1.65M	0.8%	-9.5%	0.000%
8/24/2026	Vancity Investment Management Ltd	18,662	$17.46M	2.6%	+2.1%	0.004%
8/23/2026	Tanager Wealth Management LLP	909	$0.85M	0.1%	-7.0%	0.000%
8/23/2026	DMC Group LLC	1,589	$1.49M	1.0%	-15.9%	0.000%
8/23/2026	Trans Canada Capital Inc.	22,588	$21.13M	1.2%	N/A	0.005%
8/23/2026	Washington Trust Advisors Inc.	1,218	$1.14M	0.1%	+48.2%	0.000%
8/23/2026	Ameritas Advisory Services LLC	8,095	$7.57M	0.2%	+55.8%	0.002%
8/23/2026	Guardian Wealth Advisors LLC NC	2,247	$2.10M	0.1%	-2.6%	0.001%
8/23/2026	Wedmont Private Capital	6,879	$6.30M	0.2%	+1.2%	0.002%
8/23/2026	Kintra Wealth LLC	4,382	$4.22M	0.2%	+50.7%	0.001%
8/23/2026	Worldly Partners Management LLC	43,268	$40.48M	33.1%	-13.2%	0.010%
8/23/2026	Aspire Capital Advisors LLC	3,827	$3.58M	0.7%	-1.9%	0.001%
8/23/2026	Endeavor Private Wealth Inc.	378	$0.35M	0.1%	-10.2%	0.000%
8/23/2026	Widmann Financial Services Inc.	577	$0.54M	0.3%	+61.6%	0.000%
8/23/2026	Sovereign Investment Advisors LLC	383	$0.36M	0.1%	+35.3%	0.000%
8/23/2026	Yarger Wealth Strategies LLC	511	$0.47M	0.2%	+4.1%	0.000%
8/23/2026	Echo45 Advisors LLC	615	$0.58M	0.3%	-9.0%	0.000%
8/23/2026	Figure 8 Investment Strategies LLC	3,082	$2.88M	2.5%	-1.4%	0.001%
8/23/2026	Operose Advisors LLC	206	$0.19M	0.0%	N/A	0.000%
8/23/2026	Ameliora Wealth Management Ltd.	721	$0.67M	0.2%	+18.6%	0.000%
8/23/2026	HB Wealth Management LLC	31,067	$29.06M	0.2%	+1.4%	0.007%
8/23/2026	Nilsine Partners LLC	16,671	$15.60M	1.1%	+1.5%	0.004%

Data available starting January 2016

Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, Mexico, Japan, the United Kingdom, Korea, Australia, Taiwan, China, Spain, France, Iceland, New Zealand, and Sweden. The company offers branded and private-label products in a range of merchandise categories. It offers merchandise, such as sundries, dry groceries, candies, coolers, freezers, deli, liquor, and tobacco; appliances, electronics, health and beauty aids, hardware, garden and patio products, sporting goods, tires, toys and seasonal products, office supplies, automotive care products, postages, tickets, apparel, small appliances, furniture, domestics, housewares, special order kiosks, and jewelry; and meat, produce, service deli, and bakery products. The company also operates gasoline, pharmacies, optical, food courts, hearing-aid centers, and tire installation centers; and offers business delivery, travel, grocery, and various other services online. It also operates e-commerce websites. The company was formerly known as Costco Companies, Inc. and changed its name to Costco Wholesale Corporation in August 1999. Costco Wholesale Corporation was founded in 1976 and is based in Issaquah, Washington.

Today's Range

Now: $895.31

$890.55

$898.40

50 Day Range

MA: $936.55

$893.74

$974.03

52 Week Range

Now: $895.31

$844.06

$1,096.50

Volume

4,174,240 shs

Average Volume

1,888,453 shs

Market Capitalization

$397.05 billion

P/E Ratio

45.04

Dividend Yield

0.66%

Beta

0.86

Who are the company insiders with the largest holdings of Costco Wholesale?: Costco Wholesale's top insider investors include:
James Sinegal (Director)
James D Sinegal (Director)
W Craig Jelinek (Insider)
W Craig Jelinek (CEO)
W Craig Jelinek (Director)
Jeffrey H Brotman (Chairman)
John D Mckay (EVP)
Paul G Moulton (VP)
Patrick J Callans (VP)
John D Mckay (Insider)
Learn More about top insider investors at Costco Wholesale.
Who are the major institutional investors of Costco Wholesale?: Costco Wholesale's top institutional shareholders include:
BlackRock Inc. — 7.71%
Bank of America Corp DE — 1.63%
Bank of New York Mellon Corp — 0.72%
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — 0.69%
Legal & General Group Plc — 0.57%
Ascentis Wealth Management LLC — 0.56%
Learn More about top institutional investors of Costco Wholesale stock.
Which institutional investors are selling Costco Wholesale stock?: In the last quarter, COST stock was sold by these institutional investors:
BlackRock Inc.
Amundi
TD Asset Management Inc
Bank of New York Mellon Corp
Jennison Associates LLC
Hollencrest Capital Management
Nan Shan Life Insurance Co. Ltd.
Principal Financial Group Inc.
Within the previous year, company insiders that have sold Costco Wholesale company stock include:
James C Klauer (EVP)
Javier Polit (EVP)
Russell D Miller (EVP)
Susan L Decker (Director)
Claudine Adamo (EVP)
Tiffany Marie Barbre (Insider)
Kenneth D Denman (Director)
Teresa A Jones (EVP)
William Richard Wilcox (EVP)
Learn More investors selling Costco Wholesale stock.
Which institutional investors are buying Costco Wholesale stock?: During the previous quarter, COST stock was acquired by institutional investors including:
Bank of America Corp DE
Legal & General Group Plc
Ascentis Wealth Management LLC
Corient Private Wealth LP
Canada Pension Plan Investment Board
Caisse de depot et placement du Quebec
The Manufacturers Life Insurance Company
Jupiter Topco LLC