Costco Wholesale Corporation shares owned by Osterweis Capital Management
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Osterweis Capital Management
from 13F filings
Historical chart of Osterweis Capital Management investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Osterweis Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $470k | 508 | 925.63 |
| 2025-06-30 | $818k | 826 | 989.94 |
| 2025-03-31 | $5.0M | 532 | 9457.80 |
| 2024-12-31 | $575k | 627 | 917.07 |
| 2024-09-30 | $556k | 627 | 886.52 |
| 2024-06-30 | $762k | 897 | 849.99 |
| 2024-03-31 | $662k | 903 | 732.63 |
| 2023-12-31 | $506k | 766 | 660.08 |
| 2023-09-30 | $435k | 770 | 564.96 |
| 2023-06-30 | $415k | 770 | 538.38 |
| 2023-03-31 | $447k | 900 | 496.87 |
| 2022-12-31 | $411k | 900 | 456.50 |
| 2022-09-30 | $440k | 932 | 472.10 |
| 2022-06-30 | $431k | 900 | 478.89 |
| 2022-03-31 | $553k | 960 | 576.04 |
| 2021-12-31 | $602k | 1.1k | 567.92 |
| 2021-09-30 | $476k | 1.1k | 449.06 |
| 2021-06-30 | $317k | 800 | 396.25 |
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