| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Simmons Bank | Bank | 3 | $520.9M | 20.20% |
| 2 | BancFirst | Bank | 3 | $491.4M | 19.06% |
| 3 | RCB Bank | Bank | 4 | $240.2M | 9.31% |
| 4 | The Payne County Bank | Bank | 2 | $232.8M | 9.03% |
| 5 | Okunity Federal Credit Union | Credit union | 2 | $175.6M* | 6.81% |
| 6 | Blue Sky Bank | Bank | 3 | $167.5M | 6.49% |
| 7 | Tinker Federal Credit Union | Credit union | 1 | $152.9M* | 5.93% |
| 8 | Exchange Bank and Trust Company | Bank | 2 | $144.4M | 5.60% |
| 9 | Great Plains National Bank | Bank | 1 | $84.4M | 3.27% |
| 10 | The Bank, National Association | Bank | 2 | $81.9M | 3.18% |
| 8 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 | $2.58B | 18 | 31 | Simmons Bank | 20.2% | 1,135 |
| 2025 | $2.54B | 18 | 31 | Simmons Bank | 20.9% | 1,144 |
| 2024 | $2.40B | 18 | 32 | Simmons Bank | 22.6% | 1,169 |
| 2023 | $2.28B | 18 | 32 | Simmons Bank | 22.4% | 1,149 |
| 2022 | $2.34B | 19 | 31 | Simmons Bank | 23.3% | 1,184 |
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.