| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Horicon Bank | Bank | 7 | $613.3M | 24.95% |
| 2 | Landmark Credit Union | Credit union | 3 | $524.9M* | 21.35% |
| 3 | Empeople Credit Union | Credit union | 4 | $233.9M* | 9.52% |
| 4 | Farmers and Merchants Union Bank | Bank | 4 | $179.6M | 7.31% |
| 5 | BMO Bank National Association | Bank | 2 | $156.6M | 6.37% |
| 6 | State Bank of Reeseville | Bank | 3 | $139.6M | 5.68% |
| 7 | Summit Credit Union | Credit union | 1 | $120.2M* | 4.89% |
| 8 | National Exchange Bank and Trust | Bank | 4 | $116.8M | 4.75% |
| 9 | Associated Bank, National Association | Bank | 1 | $90.2M | 3.67% |
| 10 | Ergo Bank | Bank | 2 | $82.6M | 3.36% |
| 3 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 | $2.46B | 13 | 34 | Horicon Bank | 24.9% | 1,389 |
| 2025 | $2.30B | 14 | 33 | Horicon Bank | 25.1% | 1,383 |
| 2024 | $2.14B | 15 | 34 | Horicon Bank | 25.3% | 1,335 |
| 2023 | $2.18B | 15 | 35 | Landmark Credit Union | 24.1% | 1,383 |
| 2022 | $2.28B | 15 | 35 | Horicon Bank | 23.2% | 1,342 |
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.