| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Arvest Bank | Bank | 5 | $591.5M | 18.07% |
| 2 | Bank OZK | Bank | 7 | $551.9M | 16.86% |
| 3 | Regions Bank | Bank | 6 | $513.0M | 15.67% |
| 4 | U.S. Bank National Association | Bank | 3 | $253.7M | 7.75% |
| 5 | Simmons Bank | Bank | 3 | $221.4M | 6.76% |
| 6 | Southern Bancorp Bank | Bank | 3 | $211.2M | 6.45% |
| 7 | First Security Bank | Bank | 3 | $153.6M | 4.69% |
| 8 | Chambers Bank | Bank | 2 | $148.6M | 4.54% |
| 9 | Diamond Bank | Bank | 2 | $133.7M | 4.08% |
| 10 | Relyance Bank | Bank | 4 | $117.1M | 3.58% |
| 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 | $3.27B | 18 | 51 | Arvest Bank | 18.1% | 1,101 |
| 2025 | $3.27B | 18 | 51 | Arvest Bank | 17.9% | 1,124 |
| 2024 | $3.10B | 18 | 51 | Arvest Bank | 18.0% | 1,152 |
| 2023 | $2.94B | 18 | 51 | Arvest Bank | 18.5% | 1,148 |
| 2022 | $2.94B | 18 | 53 | Arvest Bank | 19.9% | 1,223 |
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.