Old Second - M&A Summary and Business Overview

Financial ServicesCompany

Old Second M&A Summary

Old Second has acquired 6 companies, including 1 in the last 5 years.

Old Second’s largest acquisition to date was in 2025, when it acquired Bancorp Financial for $197M. Old Second has acquired in 2 different US states. The Company’s most targeted sectors include financial services (100%).

Old Second Business Overview

Where is Old Second headquartered?

Old Second is headquartered in Aurora, Illinois.

What is Old Second’s revenue?

Old Second disclosed revenue of 281M USD for 2023 and 245M USD for 2022.

How many employees does Old Second have?

Old Second has 834 employees.

What sector is Old Second in?

Old Second is a financial services company.

When was Old Second founded?

Old Second was founded in 1981.

M&A Summary

  • M&A Total Activity6
    • M&A Buy Activity6
  • Total Sectors Invested 1
  • Total Countries Invested 1
  • M&A Buy/Sell Connections 1
  • M&A Advisors 2

Old Second

Old Second Bancorp, Inc.

37 South River Street Main Bank Lobby (River & Downer Streets),
Aurora, Illinois 60507
United States,
(630) 892-0202
www.oldsecond.com

Old Second is a financial services company. The Company is the holding company for Old Second National Bank, a national banking organization which provides commercial, treasury management and retail banking services, as well as trust and wealth management services, through offices located in Kane, Kendall, DeKalb, DuPage, LaSalle, Will and Cook counties in Illinois. Old Second was founded in 1981 and is based in Aurora, Illinois.


M&A Summary

Buy vs Sell

Year ≤ '20 '21 '22 '23 '24 '25 T
Buy (0.2/yr) # 5 - - - - 1 6
vol $139M $197M $336M
Sell (0.0/yr) # - - - - - - 0
  6
+600123456-2-1780

Most Recent M&A

Company Date Value Type
Bancorp Financial, Inc. 2025-02-25 197M USD Merger
Oak Brook, Illinois
Greater Chicago Financial Corp. 2017-12-26 41M USD Add-on Acquisition
Chicago, Illinois
Talmer Bank and Trust - Chicago Branch 2016-08-01 - Divestiture
Chicago, United States
HeritageBanc, Inc. 2007-11-09 85M USD Merger
, United States
Maple Park Bancshares, Inc. 1996-10-22 6M USD Add-on Acquisition
St. Charles, Illinois
Bank of Sugar Grove 1994-11-10 8M USD Add-on Acquisition
Sugar Grove, Illinois
View All >>

M&A by Sector

Sector Buy # Value Sell # Value
Financial Services 6 (100%) 336M (100%) - -
Total 6 $336M - -

By Geo

State/Country Buy Value Sell Value
United States 6 336M - -
  Illinois 4 251M - -
Total 6 $336M - -

Top M&A Advisors

Financial Deals
Piper Sandler & Co.
1
Legal Deals
Nelson Mullins Riley & Scarborough
2

Deal Values

buy # Total
$100M to $1B 1 $197M
< $100M 4 $139M
TOTAL $336M
Largest Bancorp Financial, Inc.
$197M (2025-02-25)

M&A Connections

Deals
Acquired from
Strategic(s)
17%
1 (17%)

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