| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 9 | $1.84B | 31.07% |
| 2 | Stockman Bank of Montana | Bank | 5 | $690.0M | 11.68% |
| 3 | First Interstate Bank | Bank | 4 | $689.8M | 11.68% |
| 4 | Wells Fargo Bank, National Association | Bank | 2 | $530.0M | 8.97% |
| 5 | American Bank | Bank | 3 | $341.0M | 5.77% |
| 6 | U.S. Bank National Association | Bank | 2 | $331.2M | 5.61% |
| 7 | Manhattan Bank | Bank | 4 | $252.7M | 4.28% |
| 8 | Opportunity Bank of Montana | Bank | 3 | $248.8M | 4.21% |
| 9 | Whitefish Credit Union Association Credit Union | Credit union | 1 | $197.1M* | 3.34% |
| 10 | Rocky Mountain Credit Union | Credit union | 3 | $157.1M* | 2.66% |
| 13 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $5.91B | 23 | 52 | Glacier Bank | 31.1% | 1,450 |
| 2025 | $5.47B | 22 | 51 | Glacier Bank | 34.2% | 1,640 |
| 2024 | $5.18B | 22 | 51 | Glacier Bank | 32.9% | 1,584 |
| 2023 | $5.16B | 20 | 49 | Glacier Bank | 31.5% | 1,505 |
| 2022 | $5.80B | 19 | 49 | Glacier Bank | 30.9% | 1,467 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.