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Old Second Bancorp, Inc. (OSBC) is a financial services company in the US central and western banking institutions industry, based in Aurora, United States, with about 1,062 full-time employees.
It reported revenue of $333.10 million for fiscal year 2025, up 19.0% from fiscal year 2024, and net income of $80.31 million. In Q2 2026 (the quarter ended June 30, 2026) revenue was $94.99 million, up 29.0% from a year before. Its market capitalization was $1.25 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
Old Second Bancorp, Inc. operates as the bank holding company for Old Second National Bank that provides community banking services in the United States.
Old Second Bancorp reported $333.10 million in revenue for fiscal year 2025, up 19.0% from $279.90 million in fiscal year 2024. In Q2 2026 revenue was $94.99 million.
$1.25 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (US central and western banking institutions) include First Mid Bancshares, Inc. (FMBH), Bank First Corporation (BFC), HBT Financial, Inc. (HBT), Preferred Bank (PFBC).