Old Second Bancorp, Inc. (NASDAQ: OSBC) (“Old Second” or “the company”) is the BHC for subsidiary, Old Second National Bank (“the bank”), which operates 53 branches in the Chicago MSA – where it reflects the 2nd largest deposit market share among local banks with <$50B in assets.
The hallmark of the OSBC franchise is its granular, retail focused, and low-cost deposit base, which has been strengthened over the years through strategic M&A, most recently, the addition of West Suburban Bancorp, Inc. in 2021 and branches from First Merchants Bank in 2024.
OSBC’s deposit base completely funds its commercial lending activities, with an emphasis on C&I, which is the largest segment in the loan book at 47% of loans (including leases and OOCRE), as well as a manageable ICRE exposure (221% of TRBC). Moreover, Old Second has recently incorporated a consumer lending element as of 3Q25, with the acquisition of $1.4 billion-asset Bancorp Financial,…
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