| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 1 | $63.9M | 38.12% |
| 2 | Madison Valley Bank | Bank | 2 | $57.1M | 34.05% |
| 3 | Southwest Montana Community Federal Credit Union | Credit union | 1 | $46.7M* | 27.83% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $167.7M | 3 | 4 | Glacier Bank | 38.1% | 3,387 |
| 2024 | $74.3M | 2 | 3 | Madison Valley Bank | 80.3% | 6,833 |
| 2023 | $65.1M | 2 | 3 | Madison Valley Bank | 100.0% | 10,000 |
| 2022 | $63.9M | 2 | 3 | Madison Valley Bank | 100.0% | 10,000 |
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.