| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 5 | $623.3M | 20.34% |
| 2 | Opportunity Bank of Montana | Bank | 5 | $465.3M | 15.18% |
| 3 | First Interstate Bank | Bank | 3 | $428.3M | 13.98% |
| 4 | Stockman Bank of Montana | Bank | 2 | $310.4M | 10.13% |
| 5 | Wells Fargo Bank, National Association | Bank | 2 | $299.5M | 9.77% |
| 6 | U.S. Bank National Association | Bank | 1 | $218.6M | 7.13% |
| 7 | Intrepid Credit Union | Credit union | 4 | $148.9M* | 4.86% |
| 8 | Rocky Mountain Credit Union | Credit union | 3 | $146.5M* | 4.78% |
| 9 | Ascent Bank | Bank | 2 | $93.9M | 3.06% |
| 10 | Clearwater Federal Credit Union | Credit union | 1 | $81.3M* | 2.65% |
| 9 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 | $3.06B | 19 | 38 | Glacier Bank | 20.3% | 1,161 |
| 2024 | $2.79B | 17 | 37 | Glacier Bank | 20.1% | 1,238 |
| 2023 | $2.79B | 17 | 37 | Glacier Bank | 20.1% | 1,221 |
| 2022 | $379.2M | 4 | 8 | Intrepid Credit Union | 52.9% | 4,530 |
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.