Costco Wholesale Corporation shares owned by Peter F. Mathieson
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Peter F. Mathieson
from 13F filings
Historical chart of Peter F. Mathieson investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Peter F. Mathieson
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.2M | 2.4k | 925.76 |
| 2025-06-30 | $2.7M | 2.7k | 990.05 |
| 2025-03-31 | $2.7M | 2.9k | 945.87 |
| 2024-12-31 | $2.6M | 2.9k | 916.34 |
| 2024-09-30 | $3.1M | 3.5k | 886.57 |
| 2024-06-30 | $2.1M | 3.2k | 660.10 |
| 2024-03-31 | $2.1M | 3.2k | 660.10 |
| 2023-12-31 | $2.1M | 3.2k | 660.10 |
| 2023-09-30 | $1.8M | 3.2k | 564.96 |
| 2023-06-30 | $1.7M | 3.2k | 538.38 |
| 2023-03-31 | $1.6M | 3.2k | 496.87 |
| 2022-12-31 | $1.4M | 3.2k | 456.50 |
| 2022-09-30 | $1.5M | 3.1k | 472.20 |
| 2022-06-30 | $1.5M | 3.1k | 479.29 |
| 2022-03-31 | $1.9M | 3.3k | 575.83 |
| 2021-12-31 | $2.3M | 4.1k | 567.72 |
| 2021-09-30 | $1.9M | 4.1k | 449.24 |
| 2021-06-30 | $1.6M | 4.1k | 395.72 |
| 2021-03-31 | $1.5M | 4.1k | 352.54 |
| 2020-12-31 | $726k | 1.9k | 376.75 |
| 2020-09-30 | $498k | 1.4k | 354.70 |
| 2020-06-30 | $357k | 1.2k | 302.80 |
| 2020-03-31 | $269k | 943 | 285.26 |
| 2019-12-31 | $299k | 1.0k | 293.71 |
| 2019-09-30 | $293k | 1.0k | 287.82 |
| 2019-06-30 | $322k | 1.2k | 264.37 |
| 2019-03-31 | $246k | 1.0k | 241.65 |
| 2018-12-31 | $207k | 1.0k | 203.34 |
| 2018-09-30 | $245k | 1.0k | 234.90 |
| 2018-06-30 | $218k | 1.0k | 209.01 |