| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 1 | $67.5M | 42.35% |
| 2 | Madison Valley Bank | Bank | 2 | $55.4M | 34.73% |
| 3 | Southwest Montana Community Federal Credit Union | Credit union | 1 | $36.5M* | 22.92% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $159.4M | 3 | 4 | Glacier Bank | 42.4% | 3,525 |
| 2025 | $167.7M | 3 | 4 | Glacier Bank | 38.1% | 3,387 |
| 2024 | $134.2M | 3 | 4 | Htlf Bank | 44.6% | 4,086 |
| 2023 | $124.9M | 3 | 4 | Madison Valley Bank | 52.2% | 5,009 |
| 2022 | $124.3M | 3 | 4 | Madison Valley Bank | 51.4% | 5,004 |
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.