| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Stockman Bank of Montana | Bank | 2 | $447.0M | 60.39% |
| 2 | The Yellowstone Bank | Bank | 1 | $111.9M | 15.12% |
| 3 | Wells Fargo Bank, National Association | Bank | 1 | $89.6M | 12.11% |
| 4 | Richland Federal Credit Union | Credit union | 1 | $50.5M* | 6.83% |
| 5 | Merchants Bank | Bank | 1 | $41.1M | 5.55% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $740.1M | 5 | 6 | Stockman Bank of Montana | 60.4% | 4,100 |
| 2025 | $720.2M | 5 | 6 | Stockman Bank of Montana | 59.5% | 4,015 |
| 2024 | $683.2M | 5 | 6 | Stockman Bank of Montana | 58.6% | 3,934 |
| 2023 | $689.1M | 5 | 6 | Stockman Bank of Montana | 59.4% | 3,996 |
| 2022 | $691.0M | 5 | 6 | Stockman Bank of Montana | 58.2% | 3,878 |
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.