| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | BMO Bank National Association | Bank | 14 | $2.24B | 9.51% |
| 2 | Town Bank, National Association | Bank | 6 | $2.11B | 8.93% |
| 3 | JPMorgan Chase Bank, National Association | Bank | 11 | $1.84B | 7.81% |
| 4 | Associated Bank, National Association | Bank | 13 | $1.78B | 7.54% |
| 5 | Landmark Credit Union | Credit union | 10 | $1.75B* | 7.41% |
| 6 | U.S. Bank National Association | Bank | 13 | $1.55B | 6.58% |
| 7 | Bank Five Nine | Bank | 8 | $1.50B | 6.34% |
| 8 | Waukesha State Bank | Bank | 15 | $1.29B | 5.46% |
| 9 | Citizens Bank | Bank | 9 | $895.3M | 3.79% |
| 10 | Summit Credit Union | Credit union | 7 | $841.2M* | 3.56% |
| 59 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 | $23.61B | 69 | 208 | BMO Bank National Association | 9.5% | 532 |
| 2025 | $21.89B | 58 | 196 | BMO Bank National Association | 10.8% | 571 |
| 2024 | $21.32B | 60 | 201 | BMO Bank National Association | 11.4% | 585 |
| 2023 | $21.19B | 57 | 197 | BMO Bank National Association | 11.4% | 589 |
| 2022 | $21.24B | 53 | 196 | BMO Bank National Association | 12.1% | 599 |
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.