| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | BOKF, National Association | Bank | 21 | $12.22B | 31.00% |
| 2 | Arvest Bank | Bank | 22 | $2.74B | 6.95% |
| 3 | Bank of America, National Association | Bank | 9 | $1.64B | 4.15% |
| 4 | JPMorgan Chase Bank, National Association | Bank | 11 | $1.32B | 3.34% |
| 5 | Regent Bank | Bank | 2 | $1.32B | 3.34% |
| 6 | MidFirst Bank | Bank | 10 | $1.30B | 3.29% |
| 7 | BancFirst | Bank | 10 | $1.25B | 3.16% |
| 8 | Ttcu Federal Credit Union | Credit union | 12 | $1.24B* | 3.16% |
| 9 | Mabrey Bank | Bank | 8 | $1.17B | 2.97% |
| 10 | First Oklahoma Bank | Bank | 2 | $1.14B | 2.90% |
| 63 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 | $39.43B | 73 | 277 | BOKF, National Association | 31.0% | 1,141 |
| 2025 | $37.84B | 74 | 269 | BOKF, National Association | 32.8% | 1,251 |
| 2024 | $35.25B | 74 | 270 | BOKF, National Association | 30.4% | 1,109 |
| 2023 | $33.43B | 70 | 263 | BOKF, National Association | 29.6% | 1,071 |
| 2022 | $35.22B | 68 | 264 | BOKF, National Association | 30.9% | 1,157 |
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.