Costco
Runs low-price membership warehouses built on limited selection, rapid turnover, and annual fees.
$945.47
After-hours close−0.28 (−0.03%)
At close$945.75(+1.19%)
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Breakdown13F · Form 4
Institutions 215.73%Insiders 0.09%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 443.48M · Float 440.93M · 99.4% free float
Institutions13F, as of Jun 30, 2026
4,346 holders · 956.70M shares · 205 new positions · 1,917 increased · 1,736 reduced · 225 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 34.20M | 7.71% | −744.2K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 28.98M | 6.53% | +129.2K | Aug 13, 2026 |
| State Street Corp | 18.38M | 4.15% | +232.7K | Aug 7, 2026 |
| Invesco Ltd. | 13.99M | 3.15% | +4.67M | Aug 14, 2026 |
| Geode Capital Management, LLC | 10.63M | 2.40% | −31.8K | Aug 12, 2026 |
| Vanguard Portfolio Management LLC | 10.40M | 2.35% | −303.1K | Aug 13, 2026 |
| Morgan Stanley | 10.22M | 2.30% | +321.7K | Aug 13, 2026 |
| Bank of America Corp /DE/ | 7.25M | 1.63% | −265.3K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 7.49% | 33.26M | 13G | Apr 29, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Patrick J. Callans | officer: Executive Vice President | 60.9K | 0.01% | Oct 24, 2025 |
| Hamilton E. James | director | 55.5K | 0.01% | Oct 24, 2025 |
| Roland Michael Vachris | director, officer: President and CEO | 52.3K | 0.01% | Oct 24, 2025 |
| John Christopher Sullivan | officer: Executive VP | 47.7K | 0.01% | Oct 24, 2025 |
| James C. Klauer | officer: Executive Vice President | 44.9K | 0.01% | Jan 15, 2026 |
| John W. Stanton | director | 24.3K | 0.01% | Oct 24, 2025 |
| Gary Millerchip | officer: Executive Vice President | 15.5K | 0.00% | Mar 13, 2026 |
| Pierre Riel | officer: Executive Vice President | 11.3K | 0.00% | Sep 12, 2025 |
| Javier Polit | officer: Executive Vice President | 10.2K | 0.00% | Dec 31, 2025 |
| Susan L. Decker | director | 8.5K | 0.00% | Jan 20, 2026 |
3 ten-percent owners hold 84.5K shares by Form 4, outside the officers-and-directors figure above · 19 people have not refiled in the last 18 months (1.61M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 23, 2026 | Kenneth D. Denmandirector | Sale | 885 | $957.45 | 4,779 |
| Apr 1, 2026 | Caton Fratesofficer: Executive Vice President | Sale | 700 | $993.00 | 5,815 |
| Mar 9, 2026 | Claudine Adamoofficer: Executive Vice President | Sale | 730 | $1,003.02 | 6,121 |
| Jan 21, 2026 | Teresa A. Jonesofficer: Executive Vice President | Sale | 850 | $986.26 | 4,228 |
| Jan 16, 2026 | Susan L. Deckerdirector | Sale | 458 | $955.00 | 8,532 |
| Jan 14, 2026 | James C. Klauerofficer: Executive Vice President | Sale | 1,500 | $939.00 | 44,837 |
| Jan 9, 2026 | Russell D. Millerofficer: Sr. Executive Vice President | Sale | 1,500 | $916.32 | 8,240 |
| Dec 30, 2025 | Javier Politofficer: Executive Vice President | Sale | 558 | $862.90 | 10,190 |
| Dec 29, 2025 | Javier Politofficer: Executive Vice President | Sale | 2,049 | $867.21 | 10,748 |
| Nov 7, 2025 | William Richard Wilcoxofficer: Executive Vice President | Sale | 2,400 | $930.13 | 2,000 |
CongressHouse and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Rich McCormick | Sale | $1,001 – $15,000 | Jul 30, 2026 | Aug 17, 2026 ↗ | |
| Rep. Dan Newhouse · WA04 | Purchase | $1,001 – $15,000 | Spouse | Jul 10, 2026 | Jul 20, 2026 ↗ |