| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Brooks Bank, National Association | Bank | 5 | $637.9M | 43.23% |
| 2 | Liberty National Bank | Bank | 1 | $232.7M | 15.77% |
| 3 | MidFirst Bank | Bank | 1 | $162.8M | 11.03% |
| 4 | Arvest Bank | Bank | 1 | $87.4M | 5.92% |
| 5 | Sooner State Bank | Bank | 1 | $79.3M | 5.37% |
| 6 | Great Plains National Bank | Bank | 1 | $74.6M | 5.05% |
| 7 | Simmons Bank | Bank | 1 | $70.8M | 4.80% |
| 8 | COMMUNITY BANK OF OKLAHOMA | Bank | 2 | $43.2M | 2.93% |
| 9 | The Focus Federal Credit Union | Credit union | 1 | $29.6M* | 2.00% |
| 10 | Bank of Commerce | Bank | 1 | $29.6M | 2.00% |
| 3 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 | $1.48B | 13 | 18 | Brooks Bank, National Association | 43.2% | 2,370 |
| 2025 | $1.44B | 13 | 18 | Brooks Bank, National Association | 42.7% | 2,341 |
| 2024 | $1.46B | 12 | 19 | Brooks Bank, National Association | 42.5% | 2,327 |
| 2023 | $1.38B | 12 | 19 | Brooks Bank, National Association | 43.8% | 2,374 |
| 2022 | $1.36B | 12 | 19 | Brooks Bank, National Association | 43.1% | 2,344 |
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.