| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Associated Bank, National Association | Bank | 11 | $7.33B | 41.80% |
| 2 | Nicolet National Bank | Bank | 7 | $2.39B | 13.61% |
| 3 | Capital Credit Union | Credit union | 12 | $1.14B* | 6.49% |
| 4 | BMO Bank National Association | Bank | 8 | $1.09B | 6.24% |
| 5 | Fox Communities Credit Union | Credit union | 8 | $926.5M* | 5.28% |
| 6 | Bank First, N.A. | Bank | 3 | $595.1M | 3.39% |
| 7 | Community First Credit Union | Credit union | 3 | $592.3M* | 3.38% |
| 8 | JPMorgan Chase Bank, National Association | Bank | 4 | $483.3M | 2.75% |
| 9 | Johnson Bank | Bank | 2 | $438.8M | 2.50% |
| 10 | Wells Fargo Bank, National Association | Bank | 4 | $385.2M | 2.20% |
| 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 | $17.55B | 27 | 94 | Associated Bank, National Association | 41.8% | 2,097 |
| 2025 | $17.89B | 27 | 94 | Associated Bank, National Association | 41.2% | 2,095 |
| 2024 | $17.30B | 28 | 93 | Associated Bank, National Association | 41.8% | 2,136 |
| 2023 | $17.18B | 27 | 91 | Associated Bank, National Association | 41.2% | 2,094 |
| 2022 | $13.61B | 26 | 95 | Associated Bank, National Association | 26.8% | 1,273 |
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.