| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Pinnacle Bank - Wyoming | Bank | 2 | $123.3M | 32.49% |
| 2 | Security State Bank | Bank | 1 | $75.1M | 19.80% |
| 3 | ANB Bank | Bank | 1 | $71.8M | 18.93% |
| 4 | Big Horn Federal Savings Bank | Bank | 1 | $61.9M | 16.31% |
| 5 | Sunlight Federal Credit Union | Credit union | 1 | $47.3M* | 12.47% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $379.5M | 5 | 6 | Pinnacle Bank - Wyoming | 32.5% | 2,228 |
| 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 | $352.3M | 6 | 7 | Pinnacle Bank - Wyoming | 30.9% | 2,065 |
| 2022 | $370.8M | 6 | 7 | Pinnacle Bank - Wyoming | 32.3% | 2,125 |
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.