Who owns COSTCO WHOLESALE CORP /NEW?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of COST from SEC Form 13F filings across 4,250 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 4,250 institutions disclosed 322.7M shares of COSTCO WHOLESALE CORP /NEW worth $308.71B — about 72.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
4,250
13F holders
$308.71B
value, 2026 filers
72.7%
of shares outstanding (322.7M sh)
310
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of COST's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 34.2M | $32.00B | 0.5% | 7.7% | -2.1% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 29.0M | $27.11B | 0.6% | 6.5% | +0.4% |
| 3 | STATE STREET CORP | 18.4M | $17.20B | 0.5% | 4.1% | +1.3% |
| 4 | Invesco Ltd. | 14.0M | $13.09B | 1.0% | 3.2% | +224.3% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 10.6M | $9.90B | 0.5% | 2.4% | -0.3% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10.4M | $9.73B | 0.4% | 2.3% | -2.8% |
| 7 | MORGAN STANLEY | 10.2M | $9.56B | 0.5% | 2.3% | +3.3% |
| 8 | BANK OF AMERICA CORP /DE/ | 7.2M | $6.78B | 0.4% | 1.6% | -3.5% |
| 9 | NORGES BANKNEW | 6.5M | $6.06B | 0.6% | 1.5% | new |
| 10 | FMR LLC | 6.2M | $5.77B | 0.3% | 1.4% | -8.3% |
| 11 | NORTHERN TRUST CORP | 4.8M | $4.52B | 0.5% | 1.1% | -1.9% |
| 12 | ROYAL BANK OF CANADA | 4.3M | $4.02B | 0.6% | 1% | +14.2% |
| 13 | JPMORGAN CHASE & CO | 4.2M | $4.00B | 0.2% | 1% | +4.6% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.6M | $3.40B | 0.5% | 0.8% | +6.8% |
| 15 | GOLDMAN SACHS GROUP INC | 3.3M | $3.08B | 0.3% | 0.7% | +2.5% |
| 16 | Fisher Asset Management, LLC | 3.3M | $3.04B | 0.9% | 0.7% | +1.0% |
| 17 | Bank of New York Mellon Corp | 3.2M | $3.01B | 0.5% | 0.7% | -5.2% |
| 18 | Nuveen, LLC | 3.2M | $2.98B | 0.7% | 0.7% | +3.8% |
| 19 | WELLS FARGO & COMPANY/MN | 3.1M | $2.91B | 0.5% | 0.7% | -0.2% |
| 20 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 3.1M | $2.87B | 0.5% | 0.7% | +5.5% |
| 21 | Capital International Investors | 2.8M | $2.59B | 0.5% | 0.6% | +0.8% |
| 22 | UBS Group AG | 2.7M | $2.50B | 0.3% | 0.6% | +7.9% |
| 23 | ALLIANCEBERNSTEIN L.P. | 2.5M | $2.54B | 0.8% | 0.6% | -7.9% |
| 24 | Legal & General Group Plc | 2.5M | $2.36B | 0.5% | 0.6% | +0.8% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 2.5M | $2.35B | 0.5% | 0.6% | -1.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.