First Business Bank
Madison, Wisconsin, Dane County
$4.4B in total assets, the 324th largest of 4,309 US banks and 7th of 155 headquartered in Wisconsin.
- FDIC certificate
- 15229
- Established
- 1909
- Owned by
- First Bus Finl Services Inc
- Primary regulator
- FDIC
At a glance
Compared with 29 banks headquartered in Wisconsin with $1 billion to $10 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $4.4B | 86% | $1.7B | |
| Loans | $3.6B | 90% | $1.3B | |
| Deposits | $3.6B | 90% | $1.4B | |
| Return on assets | 1.42% | 69% | 1.22% | |
| Net interest margin | 3.80% | 55% | 3.63% | |
| Efficiency ratio | 58.1% | 41% | 60.3% | |
| Equity to assets | 10.17% | 38% | 10.94% | |
| Loans to deposits | 100% | 72% | 94% |
Growth
Total assets grew 9.0% a year over the last 5 years and 13.5% a year over 10 years, including 2 acquisitions in the last 10 years.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Jun 2017 | Alterra Bank Leawood, KS, an affiliate under the same holding company | $266M |
| Jun 2017 | First Business Bank-Milwaukee Brookfield, WI, an affiliate under the same holding company | $254M |
Where they operate
4 branches in 4 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Dane County, WI | $2.9B | 10.9% | 2 of 33 |
| Waukesha County, WI | $490M | 2.6% | 11 of 34 |
| Johnson County, KS | $158M | 0.6% | 29 of 60 |
| Winnebago County, WI | $95M | 3.6% | 10 of 17 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
Net gain of 2 branches since 2016 (2 to 4, +100.0%). 1 opened, 2 acquired, 1 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 2 | |||
| 2017 | Acquired Alterra Bank and First Business Bank-Milwaukee | 2 | 0 | +2 | 4 |
| 2018 | Opened AppletonClosed Appleton | 1 | 1 | 0 | 4 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Business (C&I) | 36% | 11% | |
| Commercial real estate | 33% | 32% | |
| Multifamily | 18% | 14% | |
| Construction and land | 7% | 8% | |
| 1-4 family residential | 2% | 23% | |
| Agricultural | 1% | 4% | |
| Consumer | 0% | 3% | |
| Farmland | 0% | 3% | |
| Other | 4% | 3% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 71% | 51% | |
| Time deposits | 17% | 30% | |
| Noninterest-bearing | 12% | 19% |
Brokered deposits are 26.6% of deposits (peers 5.6%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 1.05% | 0.34% |
| Net charge-offs, annualized | 0.18% | 0.01% |
| Reserves to loans | 1.04% | 1.07% |
| Leverage ratio | 10.37% | 11.10% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Wisconsin
Largest competitors in Dane County, WI
Figures as of June 30, 2026 from the bank's Call Report, FDIC structure and branch data, and the Federal Reserve. Short link: bankingstats.com/first-business