Costco Wholesale Corporation shares owned by Mainsail Financial Group
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Mainsail Financial Group
from 13F filings
Historical chart of Mainsail Financial Group investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Mainsail Financial Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.8M | 3.1k | 925.54 |
| 2025-06-30 | $2.9M | 3.0k | 967.55 |
| 2025-03-31 | $3.0M | 3.2k | 945.92 |
| 2024-12-31 | $2.8M | 3.0k | 916.37 |
| 2024-09-30 | $2.8M | 3.0k | 909.17 |
| 2024-06-30 | $3.4M | 4.0k | 850.02 |
| 2024-03-31 | $2.4M | 3.2k | 732.63 |
| 2023-12-31 | $2.2M | 3.2k | 684.06 |
| 2023-09-30 | $1.2M | 2.0k | 571.24 |
| 2023-06-30 | $1.2M | 2.2k | 538.51 |
| 2023-03-31 | $1.2M | 2.3k | 508.00 |
| 2022-12-31 | $1.0M | 2.2k | 480.44 |