| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Ixonia Bank | Bank | 3 | $533.9M | 17.26% |
| 2 | Bank of Lake Mills | Bank | 2 | $432.3M | 13.98% |
| 3 | PremierBank | Bank | 5 | $347.4M | 11.23% |
| 4 | Bank Cmg | Bank | 2 | $345.4M | 11.17% |
| 5 | Fort Community Credit Union | Credit union | 5 | $283.8M* | 9.17% |
| 6 | Summit Credit Union | Credit union | 2 | $240.4M* | 7.77% |
| 7 | Associated Bank, National Association | Bank | 2 | $183.2M | 5.92% |
| 8 | Landmark Credit Union | Credit union | 1 | $175.0M* | 5.66% |
| 9 | BMO Bank National Association | Bank | 1 | $129.6M | 4.19% |
| 10 | Badger Bank | Bank | 3 | $113.3M | 3.66% |
| 7 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 | $3.09B | 17 | 35 | Ixonia Bank | 17.3% | 1,008 |
| 2025 | $2.63B | 17 | 37 | Ixonia Bank | 15.2% | 941 |
| 2024 | $2.52B | 17 | 38 | Ixonia Bank | 17.3% | 962 |
| 2023 | $2.54B | 17 | 37 | Ixonia Bank | 15.4% | 923 |
| 2022 | $2.56B | 17 | 37 | Ixonia Bank | 14.6% | 916 |
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.