| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Prosperity Bank | Bank | 1 | $169.1M | 34.51% |
| 2 | Allegiance Bank | Bank | 1 | $87.7M | 17.89% |
| 3 | Brazos Valley Schools Credit Union | Credit union | 1 | $71.5M* | 14.58% |
| 4 | Wells Fargo Bank, National Association | Bank | 1 | $59.8M | 12.20% |
| 5 | Trustmark Bank | Bank | 1 | $52.6M | 10.73% |
| 6 | Cy-Fair Federal Credit Union | Credit union | 1 | $49.4M* | 10.09% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $490.1M | 6 | 6 | Prosperity Bank | 34.5% | 2,089 |
| 2025 | $468.7M | 6 | 6 | Prosperity Bank | 35.2% | 2,093 |
| 2024 | $550.0M | 6 | 7 | Prosperity Bank | 44.8% | 2,627 |
| 2023 | $599.8M | 6 | 7 | Prosperity Bank | 46.7% | 2,787 |
| 2022 | $583.2M | 6 | 7 | Prosperity Bank | 46.3% | 2,750 |
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.