| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Arvest Bank | Bank | 1 | $51.8M | 34.84% |
| 2 | Great Southern Bank | Bank | 1 | $44.7M | 30.06% |
| 3 | Simmons Bank | Bank | 1 | $41.0M | 27.57% |
| 4 | Lamar Bank and Trust Company | Bank | 1 | $11.2M | 7.53% |
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $148.8M | 4 | 4 | Arvest Bank | 34.8% | 2,934 |
| 2025 | $142.1M | 3 | 3 | Arvest Bank | 38.3% | 3,380 |
| 2024 | $142.5M | 3 | 3 | Arvest Bank | 38.6% | 3,393 |
| 2023 | $148.2M | 3 | 3 | Great Southern Bank | 36.1% | 3,345 |
| 2022 | $172.4M | 3 | 3 | Simmons Bank | 35.9% | 3,346 |
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.