| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Nicolet National Bank | Bank | 1 | $172.9M | 18.86% |
| 2 | BMO Bank National Association | Bank | 1 | $157.5M | 17.19% |
| 3 | Associated Bank, National Association | Bank | 2 | $124.3M | 13.57% |
| 4 | Headwaters State Bank | Bank | 2 | $102.9M | 11.23% |
| 5 | IncredibleBank | Bank | 1 | $85.9M | 9.37% |
| 6 | Chippewa Valley Bank | Bank | 1 | $80.3M | 8.76% |
| 7 | Peoples State Bank | Bank | 1 | $68.1M | 7.43% |
| 8 | Ripco Credit Union | Credit union | 1 | $42.1M* | 4.60% |
| 9 | U.S. Bank National Association | Bank | 1 | $40.0M | 4.36% |
| 10 | Great North Bank | Bank | 1 | $23.3M | 2.54% |
| 2 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 | $916.5M | 12 | 14 | Nicolet National Bank | 18.9% | 1,230 |
| 2025 | $871.5M | 12 | 14 | BMO Bank National Association | 19.8% | 1,309 |
| 2024 | $808.1M | 11 | 13 | BMO Bank National Association | 21.0% | 1,348 |
| 2023 | $807.8M | 10 | 13 | BMO Bank National Association | 19.7% | 1,322 |
| 2022 | $847.0M | 10 | 13 | Nicolet National Bank | 19.9% | 1,334 |
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.