| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Lone Star National Bank | Bank | 4 | $227.1M | 39.75% |
| 2 | International Bank of Commerce | Bank | 4 | $144.4M | 25.27% |
| 3 | PNC Bank, National Association | Bank | 2 | $97.4M | 17.04% |
| 4 | Rio Bank | Bank | 2 | $57.5M | 10.07% |
| 5 | Starr County Teachers Federal Credit Union | Credit union | 2 | $37.0M* | 6.48% |
| 6 | Texas Regional Bank | Bank | 1 | $8.0M | 1.39% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $571.4M | 6 | 15 | Lone Star National Bank | 39.8% | 2,654 |
| 2024 | $505.9M | 5 | 14 | Lone Star National Bank | 38.5% | 2,661 |
| 2023 | $513.4M | 5 | 14 | Lone Star National Bank | 39.2% | 2,658 |
| 2022 | $511.9M | 5 | 14 | Lone Star National Bank | 39.7% | 2,674 |
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.