Costco Wholesale Corporation · NASDAQ:COST
Costco Wholesale Corporation shareholders
As of Jun 30, 2026, 4,196 institutions reported holding Costco Wholesale Corporation, 73.0% of its shares. Largest: Vanguard, BlackRock and State Street. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Costco Wholesale Corporation | Change | Filed |
|---|---|---|---|---|
| Vanguard | 44M | 9.9% | −136K | Aug 13, 2026 |
| BlackRock | 34.2M | 7.7% | −744K | Aug 7, 2026 |
| State Street | 18.4M | 4.1% | +233K | Aug 7, 2026 |
| Invesco | 14M | 3.2% | +9.68M | Aug 14, 2026 |
| Geode Capital | 10.6M | 2.4% | −31,752 | Aug 12, 2026 |
| Morgan Stanley | 10.2M | 2.3% | +322K | Aug 13, 2026 |
| Bank of America | 7.25M | 1.6% | −265K | Aug 14, 2026 |
| Norges Bank | 6.47M | 1.5% | first report | Aug 12, 2026 |
| Fidelity | 6.16M | 1.4% | −555K | Aug 13, 2026 |
| UBS | 5.74M | 1.3% | +356K | Aug 13, 2026 |