Columbia Banking System shares owned by Amg National Trust Bank
Quarter-by-quarter ownership of Columbia Banking System (COLB) shares owned by Amg National Trust Bank
from 13F filings
Historical chart of Amg National Trust Bank investment in Columbia Banking System
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All positions including Columbia Banking System held by Amg National Trust Bank consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Columbia Banking System by Amg National Trust Bank
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.7M | 64k | 25.74 |
| 2020-03-31 | $684k | 26k | 26.82 |
| 2019-12-31 | $1.0M | 26k | 40.69 |
| 2019-09-30 | $930k | 25k | 36.90 |
| 2019-06-30 | $871k | 24k | 36.17 |
| 2019-03-31 | $790k | 24k | 32.70 |
| 2018-12-31 | $1.1M | 29k | 36.27 |
| 2018-09-30 | $1.2M | 31k | 38.76 |
| 2018-06-30 | $1.1M | 27k | 40.91 |
| 2018-03-31 | $1.1M | 27k | 41.95 |
| 2017-12-31 | $1.1M | 26k | 43.43 |
| 2017-09-30 | $1.1M | 26k | 42.12 |
| 2017-06-30 | $828k | 21k | 39.87 |
| 2017-03-31 | $660k | 17k | 38.97 |
| 2016-12-31 | $675k | 15k | 44.69 |
| 2016-09-30 | $721k | 22k | 32.72 |
| 2016-06-30 | $611k | 22k | 28.08 |
| 2016-03-31 | $588k | 20k | 29.91 |
| 2015-12-31 | $583k | 18k | 32.52 |
| 2015-09-30 | $560k | 18k | 31.23 |
| 2015-06-30 | $585k | 18k | 32.51 |
| 2015-03-31 | $524k | 18k | 28.95 |
| 2014-12-31 | $505k | 18k | 27.59 |
| 2014-09-30 | $490k | 20k | 24.83 |