| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Royal Credit Union | Credit union | 27 | $2.46B* | 36.62% |
| 2 | Northwestern Bank | Bank | 6 | $516.2M | 7.69% |
| 3 | Associated Bank, National Association | Bank | 4 | $468.1M | 6.97% |
| 4 | CCFBank National Association | Bank | 3 | $428.3M | 6.38% |
| 5 | Nicolet National Bank | Bank | 2 | $424.7M | 6.33% |
| 6 | U.S. Bank National Association | Bank | 4 | $334.1M | 4.98% |
| 7 | Westconsin Credit Union | Credit union | 3 | $277.3M* | 4.13% |
| 8 | Wells Fargo Bank, National Association | Bank | 2 | $265.7M | 3.96% |
| 9 | Security Financial Bank | Bank | 2 | $245.1M | 3.65% |
| 10 | Security Bank | Bank | 2 | $165.3M | 2.46% |
| 17 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 | $6.71B | 27 | 81 | Royal Credit Union | 36.6% | 1,632 |
| 2025 | $6.49B | 27 | 84 | Royal Credit Union | 36.3% | 1,603 |
| 2024 | $6.33B | 27 | 85 | Royal Credit Union | 34.5% | 1,507 |
| 2023 | $6.57B | 27 | 85 | Royal Credit Union | 36.0% | 1,600 |
| 2022 | $6.80B | 27 | 86 | Royal Credit Union | 36.0% | 1,614 |
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.