| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Associated Bank, National Association | Bank | 12 | $7.47B | 39.00% |
| 2 | Nicolet National Bank | Bank | 10 | $2.96B | 15.45% |
| 3 | BMO Bank National Association | Bank | 8 | $1.32B | 6.87% |
| 4 | Capital Credit Union | Credit union | 12 | $1.12B* | 5.82% |
| 5 | Fox Communities Credit Union | Credit union | 9 | $990.8M* | 5.17% |
| 6 | Bank First, N.A. | Bank | 3 | $577.9M | 3.02% |
| 7 | Community First Credit Union | Credit union | 3 | $559.8M* | 2.92% |
| 8 | Bank of Luxemburg | Bank | 7 | $527.1M | 2.75% |
| 9 | JPMorgan Chase Bank, National Association | Bank | 5 | $486.1M | 2.54% |
| 10 | Johnson Bank | Bank | 2 | $435.3M | 2.27% |
| 22 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 |
|---|---|---|---|---|---|---|
| 2025 | $19.16B | 32 | 118 | Associated Bank, National Association | 39.0% | 1,920 |
| 2024 | $18.48B | 32 | 116 | Associated Bank, National Association | 39.6% | 1,962 |
| 2023 | $18.30B | 31 | 115 | Associated Bank, National Association | 39.2% | 1,934 |
| 2022 | $14.20B | 29 | 115 | Associated Bank, National Association | 26.3% | 1,260 |
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.