| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Mechanics Bank | Bank | 3 | $618.2M | 19.36% |
| 2 | Wells Fargo Bank, National Association | Bank | 2 | $575.7M | 18.03% |
| 3 | Sun Community Federal Credit Union | Credit union | 6 | $535.6M* | 16.78% |
| 4 | JPMorgan Chase Bank, National Association | Bank | 1 | $425.7M | 13.33% |
| 5 | Bank of America, National Association | Bank | 1 | $358.5M | 11.23% |
| 6 | U.S. Bank National Association | Bank | 1 | $223.7M | 7.01% |
| 7 | Corazo Credit Union | Credit union | 5 | $173.5M* | 5.43% |
| 8 | Frontwave Credit Union | Credit union | 2 | $157.6M* | 4.94% |
| 9 | Sunflower Bank, National Association | Bank | 1 | $124.2M | 3.89% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $3.19B | 9 | 22 | Mechanics Bank | 19.4% | 1,403 |
| 2025 | $3.27B | 9 | 22 | Mechanics Bank | 19.0% | 1,365 |
| 2024 | $3.13B | 9 | 22 | Mechanics Bank | 19.5% | 1,394 |
| 2023 | $3.27B | 9 | 22 | Mechanics Bank | 18.7% | 1,403 |
| 2022 | $3.23B | 9 | 21 | Wells Fargo Bank, National Association | 19.1% | 1,372 |
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.