| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Associated Bank, National Association | Bank | 2 | $278.3M | 18.11% |
| 2 | BMO Bank National Association | Bank | 3 | $233.8M | 15.21% |
| 3 | Peoples State Bank | Bank | 2 | $199.9M | 13.01% |
| 4 | IncredibleBank | Bank | 1 | $176.3M | 11.48% |
| 5 | Nicolet National Bank | Bank | 2 | $159.4M | 10.37% |
| 6 | CoVantage Credit Union | Credit union | 1 | $138.9M* | 9.04% |
| 7 | Park City Credit Union | Credit union | 2 | $127.8M* | 8.31% |
| 8 | Ripco Credit Union | Credit union | 3 | $122.2M* | 7.95% |
| 9 | U.S. Bank National Association | Bank | 1 | $92.0M | 5.99% |
| 10 | Forward Bank | Bank | 1 | $8.0M | 0.52% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.54B | 10 | 18 | Associated Bank, National Association | 18.1% | 1,218 |
| 2024 | $1.56B | 11 | 19 | Associated Bank, National Association | 17.3% | 1,185 |
| 2023 | $1.51B | 10 | 17 | Associated Bank, National Association | 17.5% | 1,203 |
| 2022 | $1.42B | 9 | 16 | Associated Bank, National Association | 18.7% | 1,238 |
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.