Who Owns COST?
COSTCO WHOLESALE CORPORATION — institutional ownership across 11 tracked superinvestors.
Last updated · Full stock page →
11
Institutional Holders
$93.6M
Total Value Held
1000.00T
Total Shares
COSTCO WHOLESALE CORPORATION (COST) is held by 11 tracked superinvestors with a combined position of $93.6M across 1000.00T shares. The largest holder is Tom Gayner (Markel Group) with $36.6M (0.28% of portfolio).
| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|---|---|---|---|---|---|---|
| 1 | Tom Gayner | Markel Group | 39150 | $36.6M | 0.28% | 2026-06-30 |
| 2 | Ray Dalio | Bridgewater Associates | 26503 | $24.8M | 0.10% | 2026-06-30 |
| 3 | FPA Queens Road | Bragg Financial Advisors | 19444 | $18.2M | 0.49% | 2026-06-30 |
| 4 | Wally Obermeyer | Obermeyer Wealth Partners | 3403 | $3.2M | 0.13% | 2026-06-30 |
| 5 | Tom Russo | Gardner Russo & Gardner | 3399 | $3.2M | 0.04% | 2026-06-30 |
| 6 | Christopher Bloomstran | Semper Augustus Investments | 3354 | $3.1M | 0.35% | 2026-06-30 |
| 7 | Mairs & Power | Mairs & Power | 2963 | $2.8M | 0.03% | 2026-06-30 |
| 8 | Torray LLC | Torray LLC | 628 | $587K | 0.08% | 2026-06-30 |
| 9 | David Katz | Matrix Asset Advisors | 551 | $515K | 0.04% | 2026-06-30 |
| 10 | Bill Nygren | Harris Associates | 358 | $335K | 0.00% | 2026-06-30 |
| 11 | Dan Sundheim (Mine & Arao) | Mine & Arao Wealth Creation & Management | 351 | $328K | 0.12% | 2026-06-30 |
Ownership history
| Period | Holders | Total Value | Total Shares |
|---|---|---|---|
| 2023-06-30 | 1 | $1.2M | 2,293 |
| 2023-09-30 | 3 | $4.4M | 51.43B |
| 2023-12-31 | 3 | $5.3M | 55.50B |
| 2024-03-31 | 7 | $430.8M | 1000.00T |
| 2024-06-30 | 6 | $418.9M | 1000.00T |
| 2024-09-30 | 9 | $199.0M | 1000.00T |
| 2024-12-31 | 12 | $145.8M | 1000.00T |
| 2025-03-31 | 12 | $113.2M | 1000.00T |
| 2025-06-30 | 12 | $99.7M | 1000.00T |
| 2025-09-30 | 12 | $107.9M | 1000.00T |
| 2025-12-31 | 13 | $93.3M | 1000.00T |
| 2026-03-31 | 11 | $102.0M | 1000.00T |