Costco Wholesale Corporation shares owned by Portland Global Advisors
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Portland Global Advisors
from 13F filings
Historical chart of Portland Global Advisors investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Portland Global Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $335k | 389 | 862.34 |
| 2025-09-30 | $337k | 364 | 925.63 |
| 2025-06-30 | $360k | 364 | 989.94 |
| 2025-03-31 | $285k | 301 | 945.78 |
| 2024-12-31 | $392k | 428 | 916.27 |
| 2024-09-30 | $379k | 427 | 886.52 |
| 2024-06-30 | $363k | 427 | 849.99 |
| 2024-03-31 | $325k | 444 | 732.63 |
| 2023-09-30 | $251k | 444 | 565.32 |
| 2023-06-30 | $239k | 444 | 538.29 |
| 2023-03-31 | $228k | 459 | 496.73 |
| 2022-12-31 | $210k | 459 | 457.52 |
| 2022-09-30 | $217k | 459 | 472.77 |
| 2022-06-30 | $220k | 459 | 479.30 |
| 2022-03-31 | $264k | 459 | 575.16 |
| 2021-12-31 | $261k | 459 | 568.63 |
| 2021-09-30 | $224k | 498 | 449.80 |
| 2015-03-31 | $208k | 1.4k | 151.49 |