Costco Wholesale Corporation shares owned by Mattern Wealth Management
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Mattern Wealth Management
from 13F filings
Historical chart of Mattern Wealth Management investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Mattern Wealth Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $5.5M | 5.9k | 925.59 |
| 2025-06-30 | $6.0M | 6.1k | 989.87 |
| 2025-03-31 | $5.6M | 5.9k | 945.80 |
| 2024-12-31 | $5.3M | 5.7k | 916.31 |
| 2024-09-30 | $5.4M | 6.1k | 886.51 |
| 2024-06-30 | $5.1M | 6.0k | 849.98 |
| 2024-03-31 | $4.5M | 6.2k | 732.60 |
| 2023-12-31 | $4.1M | 6.2k | 660.11 |
| 2023-09-30 | $3.4M | 6.0k | 564.96 |
| 2023-06-30 | $3.1M | 5.7k | 538.38 |
| 2023-03-31 | $2.6M | 5.1k | 496.87 |
| 2022-12-31 | $2.4M | 5.3k | 456.50 |
| 2022-09-30 | $2.4M | 5.2k | 472.20 |
| 2022-06-30 | $2.4M | 5.1k | 479.34 |
| 2022-03-31 | $2.9M | 5.0k | 575.83 |
| 2021-12-31 | $2.8M | 5.0k | 567.62 |
| 2021-09-30 | $2.3M | 5.2k | 449.40 |
| 2021-06-30 | $2.1M | 5.1k | 410.46 |
| 2021-03-31 | $1.8M | 5.2k | 352.39 |
| 2020-12-31 | $1.0M | 2.8k | 376.76 |
| 2020-09-30 | $950k | 2.7k | 354.87 |
| 2020-06-30 | $815k | 2.7k | 303.31 |
| 2020-03-31 | $744k | 2.6k | 285.06 |
| 2019-12-31 | $680k | 2.3k | 293.74 |