Costco Wholesale Ownership | Who Owns Costco Wholesale?

Overview Forecast RevenueFinancials Chart Transcripts

Costco Wholesale Ownership Summary

Costco Wholesale is owned by 57.56% institutional investors, 0.16% insiders, and 42.28% retail investors. Vanguard group is the largest institutional shareholder, holding 9.83% of COST shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.17% of its assets in Costco Wholesale shares.

COST Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Costco Wholesale	57.56%	0.16%	42.28%
Sector	Consumer Defensive Stocks	33.19%	16.40%	50.41%
Industry	Discount Stores Stocks	52.56%	1.29%	46.15%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	43.62M	9.83%	$37.62B
Blackrock funding, inc. /de	35.10M	7.91%	$30.27B
Blackrock	33.19M	7.48%	$28.21B
State street	18.16M	4.09%	$16.81B
Geode capital management	10.39M	2.34%	$8.92B
Morgan stanley	9.52M	2.15%	$8.21B
Fmr	7.95M	1.79%	$7.36B
Norges bank	6.02M	1.36%	$5.20B
Northern trust	5.06M	1.14%	$4.68B
Invesco	4.19M	0.94%	$3.87B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Emerald advisors	639.76K	75.07%	$551.69M
Worldly partners management	83.64K	46.23%	$77.42M
I.g.y.	95.75K	37.13%	$88.63M
Baypointe partners	13.16K	23.85%	$11.35M
Steginsky capital	132.19K	19.21%	$114.00M
Norman fields, gottscho capital management	57.20K	15.90%	$49.32M
Greenbrier partners capital management	224.35K	14.06%	$207.67M
Garrison bradford & associates	10.83K	10.14%	$9.34M
Ocean capital management	55.83K	9.59%	$48.14M
Chapman investment management	14.53K	9.17%	$12.53M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	6.02M	0.56%	6.02M
Assenagon asset management	1.14M	1.35%	1.07M
Amundi	3.18M	0.93%	986.18K
Vestor capital	970.84K	0.08%	966.23K
Blackrock	33.19M	0.64%	835.17K

Top Sellers

Holder	Shares	% Assets	Change
Fmr	7.95M	0.38%	-1.46M
Goldman sachs group	2.59M	0.28%	-1.10M
Jennison associates	2.23M	1.15%	-596.48K
C worldwide group	-	-	-410.72K
Axa	1.62K	0.75%	-392.46K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	6.02M	0.56%	6.02M	$5.20B
Axa investment managers	390.39K	0.98%	390.39K	$361.36M
Cibc world markets	192.33K	0.80%	192.33K	$165.85M
Soros fund management	100.00K	1.53%	100.00K	$85.00M
Steadfast capital management lp	98.33K	1.59%	98.33K	$91.02M

Sold Out

Holder	Change
Peak6	-1.00
Horizon financial services	-2.00
Usa financial portformulas	-2.00
Sanctuary wealth management	-4.00
Sugar maple asset management	-4.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	3,609	-10.42%	255,546,837	-13.82%	57	1.29%	1,640	-8.99%	1,479	-6.98%
Sep 30, 2025	3,882	-4.69%	294,540,771	-3.79%	66	1.40%	1,740	-9.70%	1,528	1.06%
Jun 30, 2025	3,974	-0.85%	305,715,619	2.51%	68	1.53%	1,883	5.31%	1,476	-11.56%
Mar 31, 2025	41	-98.97%	1,611,038	-99.47%	-	0.01%	15	-99.24%	19	-98.68%
Dec 31, 2024	3,757	2.90%	303,476,255	0.23%	68	1.47%	1,833	10.55%	1,392	-2.18%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	14.05M	3.17%	-1.51K
Vanguard Total Stock Mkt Idx Inv	13.94M	3.14%	-323.24K
Vanguard 500 Index Investor	10.98M	2.48%	-1.61M
Invesco QQQ Trust	9.14M	2.06%	63.46K
Fidelity 500 Index	5.62M	1.27%	2.42K
SPDR® S&P 500 ETF	5.52M	1.24%	-72.34K
SPDR® S&P 500® ETF Trust	5.38M	1.21%	-28.19K
SPDR® S&P 500® ETF	5.36M	1.21%	66.03K
iShares Core S&P 500 ETF	5.34M	1.20%	-
Vanguard Growth Index Investor	4.60M	1.04%	17.19K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 21, 2026	Jones Teresa A.	Executive Vice President	Sell	$838.32K
Jan 16, 2026	DECKER SUSAN L	-	Sell	$437.39K
Jan 14, 2026	Klauer James C	Executive Vice President	Sell	$1.41M
Jan 09, 2026	Miller Russell D	Sr. Executive Vice President	Sell	$1.37M
Dec 29, 2025	POLIT JAVIER	Executive Vice President	Sell	$1.78M

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	4
2025 Q4	-	5
2025 Q3	-	4
2025 Q2	-	5
2025 Q1	-	4

COST Ownership FAQ

Who Owns Costco Wholesale?

Costco Wholesale shareholders are primarily institutional investors at 57.56%, followed by 0.16% insiders and 42.28% retail investors. The average institutional ownership in Costco Wholesale's industry, Discount Stores Stocks , is 52.56%, which Costco Wholesale exceeds.

Who owns the most shares of Costco Wholesale?

Costco Wholesale’s largest shareholders are Vanguard group (43.62M shares, 9.83%), Blackrock funding, inc. /de (35.1M shares, 7.91%), and Blackrock (33.19M shares, 7.48%). Together, they hold 25.21% of Costco Wholesale’s total shares outstanding.

Does Blackrock own Costco Wholesale?

Yes, BlackRock owns 7.48% of Costco Wholesale, totaling 33.19M shares as of Jun 2024. This represents 0.64% of BlackRock's total assets, with a market value of 28.21B$. In the last quarter, BlackRock increased its holdings by 835.17K shares, a 2.58% change.

Who is Costco Wholesale’s biggest shareholder by percentage of total assets invested?

Emerald advisors is Costco Wholesale’s biggest shareholder by percentage of total assets invested, with 75.07% of its assets in 639.76K Costco Wholesale shares, valued at 551.69M$.

Who is the top mutual fund holder of Costco Wholesale shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Costco Wholesale shares, with 3.17% of its total shares outstanding invested in 14.05M Costco Wholesale shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools