Costco Wholesale Corporation shares owned by Winthrop Advisory Group
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Winthrop Advisory Group
from 13F filings
Historical chart of Winthrop Advisory Group investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Winthrop Advisory Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.2M | 1.3k | 925.41 |
| 2025-06-30 | $1.2M | 1.2k | 989.86 |
| 2025-03-31 | $894k | 945 | 945.58 |
| 2024-12-31 | $1.0M | 1.1k | 916.68 |
| 2024-09-30 | $806k | 909 | 886.94 |
| 2024-06-30 | $735k | 864 | 850.26 |
| 2024-03-31 | $549k | 749 | 732.73 |
| 2023-12-31 | $472k | 715 | 659.94 |
| 2023-09-30 | $274k | 484 | 565.18 |
| 2023-06-30 | $275k | 511 | 538.73 |
| 2022-03-31 | $292k | 506 | 577.08 |
| 2021-12-31 | $291k | 513 | 567.25 |
| 2021-09-30 | $215k | 478 | 449.79 |
| 2021-06-30 | $230k | 580 | 396.55 |
| 2021-03-31 | $255k | 723 | 352.70 |
| 2020-12-31 | $236k | 627 | 376.40 |