Costco Wholesale Corporation shares owned by Traphagen Investment Advisors
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Traphagen Investment Advisors
from 13F filings
Historical chart of Traphagen Investment Advisors investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Traphagen Investment Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.7M | 1.8k | 925.62 |
| 2025-06-30 | $1.8M | 1.8k | 990.15 |
| 2025-03-31 | $1.8M | 1.9k | 945.67 |
| 2024-12-31 | $1.4M | 1.5k | 916.45 |
| 2024-09-30 | $1.3M | 1.5k | 886.44 |
| 2024-06-30 | $1.4M | 1.6k | 850.12 |
| 2023-12-31 | $975k | 1.5k | 660.01 |
| 2023-09-30 | $795k | 1.4k | 564.94 |
| 2023-06-30 | $327k | 607 | 538.29 |
| 2023-03-31 | $340k | 683 | 497.08 |
| 2022-12-31 | $293k | 641 | 456.33 |
| 2022-09-30 | $302k | 640 | 471.92 |
| 2022-06-30 | $333k | 694 | 479.25 |
| 2022-03-31 | $350k | 608 | 575.62 |
| 2021-12-31 | $311k | 548 | 567.36 |
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