Costco Wholesale Corporation shares owned by Mairs and Power
Quarter-by-quarter ownership of Costco Wholesale Corporation (COST) shares owned by Mairs and Power
from 13F filings
Historical chart of Mairs and Power investment in Costco Wholesale Corporation
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Quarterly reported holdings in Costco Wholesale Corporation by Mairs and Power
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $3.0M | 3.2k | 925.63 |
| 2025-06-30 | $3.2M | 3.2k | 989.94 |
| 2025-03-31 | $2.6M | 2.7k | 945.78 |
| 2024-12-31 | $2.5M | 2.7k | 916.27 |
| 2024-09-30 | $2.7M | 3.1k | 886.52 |
| 2024-06-30 | $3.2M | 3.7k | 849.99 |
| 2024-03-31 | $3.4M | 4.6k | 732.63 |
| 2023-12-31 | $3.3M | 4.9k | 660.08 |
| 2023-09-30 | $1.9M | 3.5k | 564.96 |
| 2023-06-30 | $2.0M | 3.6k | 538.38 |
| 2023-03-31 | $1.8M | 3.6k | 496.87 |
| 2022-12-31 | $1.4M | 3.1k | 456.50 |
| 2022-09-30 | $1.5M | 3.1k | 472.37 |
| 2022-06-30 | $1.5M | 3.2k | 479.22 |
| 2022-03-31 | $1.8M | 3.2k | 575.83 |
| 2021-12-31 | $1.8M | 3.2k | 567.74 |
| 2021-09-30 | $1.2M | 2.7k | 449.17 |
| 2021-06-30 | $1.3M | 3.2k | 395.74 |
| 2021-03-31 | $1.2M | 3.3k | 352.62 |
| 2020-12-31 | $1.3M | 3.4k | 376.75 |
| 2020-09-30 | $1.2M | 3.4k | 355.01 |
| 2020-06-30 | $1.1M | 3.5k | 303.18 |
| 2020-03-31 | $996k | 3.5k | 285.14 |
| 2019-12-31 | $1.0M | 3.5k | 294.02 |
| 2019-09-30 | $995k | 3.5k | 288.16 |
| 2019-06-30 | $904k | 3.4k | 264.17 |
| 2019-03-31 | $836k | 3.5k | 242.11 |
| 2018-12-31 | $717k | 3.5k | 203.58 |
| 2018-09-30 | $827k | 3.5k | 234.81 |
| 2018-06-30 | $767k | 3.7k | 208.88 |
| 2018-03-31 | $654k | 3.5k | 188.36 |
| 2017-12-31 | $535k | 2.9k | 186.02 |
| 2017-09-30 | $493k | 3.0k | 164.22 |
| 2017-06-30 | $489k | 3.1k | 160.01 |
| 2017-03-31 | $520k | 3.1k | 167.63 |
| 2016-12-31 | $523k | 3.3k | 160.18 |
| 2016-09-30 | $494k | 3.2k | 152.52 |
| 2016-06-30 | $455k | 2.9k | 157.00 |
| 2016-03-31 | $457k | 2.9k | 157.69 |
| 2015-12-31 | $468k | 2.9k | 161.49 |
| 2015-09-30 | $454k | 3.1k | 144.68 |
| 2015-06-30 | $378k | 2.8k | 135.10 |
| 2015-03-31 | $400k | 2.6k | 151.46 |
| 2014-12-31 | $374k | 2.6k | 141.61 |
| 2014-09-30 | $275k | 2.2k | 125.51 |
| 2014-06-30 | $261k | 2.3k | 115.18 |
| 2014-03-31 | $281k | 2.5k | 111.77 |
| 2013-12-31 | $234k | 2.0k | 118.84 |
| 2013-09-30 | $250k | 2.2k | 115.26 |
| 2013-06-30 | $217k | 2.0k | 110.38 |