Bank of Sun Prairie
Headquartered in Sun Prairie, WI. Part of Bosp Bancshares, Inc. FDIC certificate #13565 · Federal Reserve RSSD 124344.
Total assets
$717M
Deposits
$588M
Q1 2026
Active branches
8
Closings since Jan 2020
1
1 openings since Jan 2020
Financial snapshot — Q1 2026
All quarters →Net income (quarter)
$772K
Return on assets
0.43%
Return on equity
4.67%
Noncurrent loan rate
0.05%
Deposits by year (Summary of Deposits)
02019
02020
02021
12022
12023
12024
12025
Values in $ billions, June 30 of each year.
Closings by year
12025
Openings by year
12022
Other network changes since 2020
- 4 branches acquired through purchases or mergers
Branches by state
Recent closings
- 550 BROADWAY DR · closed July 31, 2025
All figures transcribed from FDIC BankFind Suite records: structure-change history, quarterly financial reports and the annual Summary of Deposits · bank site: www.bankofsunprairie.com.