| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Lone Star National Bank | Bank | 4 | $241.6M | 35.40% |
| 2 | International Bank of Commerce | Bank | 4 | $152.4M | 22.34% |
| 3 | PNC Bank, National Association | Bank | 2 | $104.1M | 15.26% |
| 4 | Texas National Bank | Bank | 2 | $75.4M | 11.05% |
| 5 | Rio Bank | Bank | 2 | $58.0M | 8.50% |
| 6 | Starr County Teachers Federal Credit Union | Credit union | 2 | $39.1M* | 5.73% |
| 7 | Texas Regional Bank | Bank | 1 | $11.8M | 1.73% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $682.5M | 7 | 17 | Lone Star National Bank | 35.4% | 2,215 |
| 2025 | $639.8M | 7 | 17 | Lone Star National Bank | 35.5% | 2,231 |
| 2024 | $578.2M | 6 | 16 | Lone Star National Bank | 33.7% | 2,194 |
| 2023 | $593.7M | 6 | 16 | Lone Star National Bank | 33.9% | 2,168 |
| 2022 | $589.4M | 6 | 16 | Lone Star National Bank | 34.5% | 2,188 |
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.