| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 4 | $559.4M | 20.10% |
| 2 | First Interstate Bank | Bank | 3 | $428.3M | 15.39% |
| 3 | Opportunity Bank of Montana | Bank | 4 | $351.0M | 12.62% |
| 4 | Stockman Bank of Montana | Bank | 2 | $310.4M | 11.15% |
| 5 | Wells Fargo Bank, National Association | Bank | 2 | $299.5M | 10.76% |
| 6 | U.S. Bank National Association | Bank | 1 | $218.6M | 7.86% |
| 7 | Intrepid Credit Union | Credit union | 4 | $148.9M* | 5.35% |
| 8 | Rocky Mountain Credit Union | Credit union | 3 | $146.5M* | 5.27% |
| 9 | Ascent Bank | Bank | 2 | $93.9M | 3.38% |
| 10 | Clearwater Federal Credit Union | Credit union | 1 | $81.3M* | 2.92% |
| 7 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 |
|---|---|---|---|---|---|---|
| 2025 | $2.78B | 17 | 33 | Glacier Bank | 20.1% | 1,184 |
| 2024 | $2.60B | 15 | 33 | Glacier Bank | 21.6% | 1,285 |
| 2023 | $2.63B | 15 | 33 | Glacier Bank | 21.4% | 1,267 |
| 2022 | $2.62B | 15 | 33 | Glacier Bank | 23.4% | 1,343 |
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.