Costco Wholesale COST Institutional Ownership

NASDAQ COST

$902.60 -7.58 (-0.83%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

4,187 Institutions

Increased 1,911 45.6%

Unchanged 578 13.8%

Reduced 1,698 40.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

73.97%

▲+4.10 pp QoQ

Shares Held by Institutions

328.37Mn

of 443.92Mn outstanding

▲+6.55% QoQ

Shares Outstanding

443.92Mn

115.55Mn held outside 13F filers

Institutional Investors

4,187

filed 13F for Jun 2026

▼-24 vs prior quarter

Net Shares Added (QoQ)

+20.19Mn

accumulated since last quarter

Value of Holdings

$300.70Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Costco Wholesale Corp /New (NASDAQ:COST) is held by 4,187 institutional investors per 13F filings through June 2026.

These investors collectively held 74.0% of Costco Wholesale's outstanding shares in June 2026, up from 69.9% in March 2026.
They increased total shares held in COST by 6.55% quarter over quarter, and investors in Costco Wholesale increased 5.92% from a year ago.
Among the 4,187 funds, 1,911 bought more Costco Wholesale shares, 1,698 sold down, and 578 held their ground.
Combined, these investors held 328.37Mn shares in COST for June 2026, up by 20.19Mn shares quarter on quarter, and up 18.72Mn shares year over year.
BlackRock, Inc. is the top holder of Costco Wholesale as of June 30, 2026, with 34.2Mn shares representing 7.7% of outstanding stock.
Leading buyers of Costco Wholesale shares for the quarter ending June 2026 were Invesco Ltd. (9.68Mn), NORGES BANK (6.47Mn), Sixth Street Partners Management Company, L.P. (3.63Mn), Ascentis Wealth Management, LLC (2.32Mn), SG Americas Securities, LLC (955.93K).
The largest sellers of Costco Wholesale for the quarter ending June 2026 were DIAMANT ASSET MANAGEMENT, INC. (6.72Mn), BlackRock, Inc. (744.21K), FMR LLC (555.05K), PRICE T ROWE ASSOCIATES INC /MD/ (512.52K), Amundi (414.56K).
According to Business Quant data, leading holders of COST for June 2026 are BlackRock, Inc. (34.2Mn), VANGUARD CAPITAL MANAGEMENT LLC (28.98Mn), State Street Corp (18.38Mn), Invesco Ltd. (13.99Mn), GEODE CAPITAL MANAGEMENT, LLC (10.63Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (10.4Mn), Morgan Stanley (10.22Mn), Bank Of America Corp /De/ (7.25Mn), NORGES BANK (6.47Mn), FMR LLC (6.16Mn).

Form 13F Holdings

4,187 Institutional Holders

Report period 30 Jun, 2026

Total shares held 328.37Mn

Of outstanding 73.97%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	34,202,834	7.70%	▼744,206	-2.13%	$32.00Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	28,976,605	6.53%	▲129,157	+0.45%	$27.11Bn
3	State Street Corp	0000093751	18,384,951	4.14%	▲232,719	+1.28%	$17.20Bn
4	Invesco Ltd.	0000914208	13,989,137	3.15%	▲9,675,631	+224.31%	$13.09Bn
5	GEODE CAPITAL MANAGEMENT, LLC	0001214717	10,627,472	2.39%	▼31,752	-0.30%	$9.90Bn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	10,402,555	2.34%	▼303,080	-2.83%	$9.73Bn
7	Morgan Stanley	0000895421	10,220,437	2.30%	▲321,726	+3.25%	$9.56Bn
8	Bank Of America Corp /De/	0000070858	7,249,774	1.63%	▼265,257	-3.53%	$6.78Bn
9	NORGES BANK	0001374170	6,474,767	1.46%	▲6,474,767	0.00%	$6.06Bn
10	FMR LLC	0000315066	6,163,541	1.39%	▼555,048	-8.26%	$5.77Bn
11	Northern Trust Corp	0000073124	4,835,919	1.09%	▼92,188	-1.87%	$4.52Bn
12	Royal Bank Of Canada	0001000275	4,292,111	0.97%	▲533,261	+14.19%	$4.02Bn
13	Jpmorgan Chase & Co	0000019617	4,224,191	0.95%	▲184,275	+4.56%	$4.00Bn
14	Sixth Street Partners Management Company, L.P.	0001812095	3,631,675	0.82%	▲3,631,675	0.00%	$3.40Bn
14	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	3,631,675	0.82%	▲231,372	+6.80%	$3.40Bn
15	Goldman Sachs Group Inc	0000886982	3,293,734	0.74%	▲79,925	+2.49%	$3.08Bn
16	Fisher Asset Management, LLC	0000850529	3,253,040	0.73%	▲33,184	+1.03%	$3.04Bn
17	Bank of New York Mellon Corp	0001390777	3,215,058	0.72%	▼176,566	-5.21%	$3.01Bn
18	Nuveen, LLC	0001871926	3,189,881	0.72%	▲115,824	+3.77%	$2.98Bn
19	Wells Fargo & Company/Mn	0000072971	3,106,170	0.70%	▼5,704	-0.18%	$2.91Bn

Showing 1 to 20 of 4,187 holders