| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Oklahoma Bank and Trust Company | Bank | 4 | $173.9M | 14.46% |
| 2 | The Bank of the West | Bank | 2 | $126.2M | 10.49% |
| 3 | MidFirst Bank | Bank | 1 | $121.6M | 10.11% |
| 4 | BancFirst | Bank | 1 | $114.5M | 9.52% |
| 5 | Blue Sky Bank | Bank | 1 | $105.2M | 8.75% |
| 6 | InterBank | Bank | 1 | $78.2M | 6.50% |
| 7 | Southwest Bank of Weatherford | Bank | 1 | $75.0M | 6.24% |
| 8 | Bank of Western Oklahoma | Bank | 1 | $66.1M | 5.50% |
| 9 | Bank of Hydro | Bank | 2 | $59.6M | 4.96% |
| 10 | First Bank of Thomas | Bank | 1 | $55.7M | 4.63% |
| 6 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 |
|---|---|---|---|---|---|---|
| 2026 | $1.20B | 16 | 21 | Oklahoma Bank and Trust Company | 14.5% | 816 |
| 2025 | $1.09B | 15 | 20 | Oklahoma Bank and Trust Company | 15.2% | 872 |
| 2024 | $1.04B | 15 | 20 | Oklahoma Bank and Trust Company | 15.6% | 908 |
| 2023 | $1.02B | 15 | 20 | Oklahoma Bank and Trust Company | 16.6% | 937 |
| 2022 | $987.6M | 14 | 19 | Oklahoma Bank and Trust Company | 17.1% | 1,006 |
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.