| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | American Nation Bank | Bank | 5 | $379.1M | 21.85% |
| 2 | First National Bank and Trust Company of Ardmore | Bank | 5 | $351.5M | 20.26% |
| 3 | BancFirst | Bank | 3 | $340.9M | 19.65% |
| 4 | Citizens Bank and Trust Company of Ardmore | Bank | 4 | $268.9M | 15.50% |
| 5 | First Bank & Trust Co. | Bank | 3 | $215.4M | 12.42% |
| 6 | Communication Federal Credit Union | Credit union | 1 | $86.0M* | 4.95% |
| 7 | Simmons Bank | Bank | 1 | $33.0M | 1.90% |
| 8 | Mtc Federal Credit Union | Credit union | 1 | $28.8M* | 1.66% |
| 9 | BMO Bank National Association | Bank | 1 | $19.3M | 1.11% |
| 10 | International Bank of Commerce | Bank | 1 | $12.0M | 0.69% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $1.73B | 10 | 25 | American Nation Bank | 21.9% | 1,701 |
| 2025 | $1.77B | 10 | 25 | BancFirst | 22.0% | 1,726 |
| 2024 | $1.71B | 10 | 25 | American Nation Bank | 22.0% | 1,694 |
| 2023 | $1.70B | 10 | 25 | American Nation Bank | 23.4% | 1,698 |
| 2022 | $1.83B | 10 | 26 | American Nation Bank | 21.2% | 1,596 |
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.