| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Prosperity Bank | Bank | 4 | $999.9M | 21.01% |
| 2 | Southwest Bank | Bank | 3 | $450.2M | 9.46% |
| 3 | JPMorgan Chase Bank, National Association | Bank | 3 | $434.1M | 9.12% |
| 4 | Frost Bank | Bank | 3 | $385.3M | 8.10% |
| 5 | Wells Fargo Bank, National Association | Bank | 2 | $338.9M | 7.12% |
| 6 | American Momentum Bank | Bank | 4 | $275.2M | 5.78% |
| 7 | Complex Community Federal Credit Union | Credit union | 4 | $257.8M* | 5.42% |
| 8 | Bank of America, National Association | Bank | 2 | $196.8M | 4.14% |
| 9 | City Bank | Bank | 2 | $180.5M | 3.79% |
| 10 | Southwest Heritage Credit Union | Credit union | 4 | $180.0M* | 3.78% |
| 16 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 | $4.76B | 26 | 57 | Prosperity Bank | 21.0% | 882 |
| 2025 | $4.61B | 26 | 57 | Prosperity Bank | 22.4% | 950 |
| 2024 | $4.26B | 24 | 57 | Prosperity Bank | 19.2% | 890 |
| 2023 | $4.41B | 25 | 59 | Frost Bank | 11.6% | 695 |
| 2022 | $4.44B | 24 | 58 | Prosperity Bank | 11.7% | 693 |
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.