Costco Wholesale Corporation shares owned by Summa Corp.
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Summa Corp.
from 13F filings
Historical chart of Summa Corp. investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Summa Corp.
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $504k | 544 | 925.63 |
| 2025-06-30 | $495k | 500 | 989.94 |
| 2025-03-31 | $455k | 481 | 945.78 |
| 2024-12-31 | $487k | 531 | 916.27 |
| 2024-09-30 | $818k | 923 | 886.52 |
| 2024-06-30 | $785k | 923 | 849.99 |
| 2024-03-31 | $676k | 923 | 732.63 |
| 2023-12-31 | $609k | 923 | 660.08 |