| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Pinnacle Bank - Wyoming | Bank | 2 | $121.7M | 32.82% |
| 2 | Security State Bank | Bank | 1 | $72.5M | 19.55% |
| 3 | ANB Bank | Bank | 1 | $69.7M | 18.81% |
| 4 | Big Horn Federal Savings Bank | Bank | 1 | $58.7M | 15.82% |
| 5 | Sunlight Federal Credit Union | Credit union | 1 | $48.2M* | 13.01% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $370.9M | 5 | 6 | Pinnacle Bank - Wyoming | 32.8% | 2,233 |
| 2024 | $358.3M | 6 | 7 | Pinnacle Bank - Wyoming | 31.3% | 2,081 |
| 2023 | $353.0M | 6 | 7 | Pinnacle Bank - Wyoming | 30.8% | 2,061 |
| 2022 | $371.5M | 6 | 7 | Pinnacle Bank - Wyoming | 32.3% | 2,123 |
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.