Old Second Bancorp, Inc. (OSBC)

Old Second Bancorp Market Cap

Old Second Bancorp has a market cap or net worth of $1.18 billion as of July 7, 2026. Its market cap has increased by 57.05% in one year.

• Market Cap: 1.18B
• Enterprise Value: 1.39B
• 1-Year Change: 57.05%
• Ranking: #2515
• Category: Small-Cap
• Stock Price: $22.99

Market Cap Chart

Since December 1, 1998, Old Second Bancorp's market cap has increased from $154.40M to $1.18B, an increase of 665.82%. That is a compound annual growth rate of 7.65%.

Market Cap History

Date	Market Cap	% Change
Jul 7, 2026	1.18B	15.13%
Dec 31, 2025	1.03B	28.78%
Dec 31, 2024	797.50M	15.56%
Dec 29, 2023	690.10M	-3.48%
Dec 30, 2022	715.00M	97.84%
Dec 31, 2021	361.40M	21.89%
Dec 31, 2020	296.50M	-26.39%
Dec 31, 2019	402.80M	4.11%
Dec 31, 2018	386.90M	-4.33%
Dec 29, 2017	404.40M	23.82%
Dec 30, 2016	326.60M	41.26%
Dec 31, 2015	231.20M	46.24%
Dec 31, 2014	158.10M	145.88%
Dec 31, 2013	64.30M	273.84%
Dec 31, 2012	17.20M	-5.49%
Dec 30, 2011	18.20M	-22.88%
Dec 31, 2010	23.60M	-75.21%
Dec 31, 2009	95.20M	-40.35%
Dec 31, 2008	159.60M	-50.95%
Dec 31, 2007	325.40M	-15.39%
Dec 29, 2006	384.60M	-6.79%
Dec 30, 2005	412.60M	-3.55%
Dec 31, 2004	427.80M	29.28%
Dec 31, 2003	330.90M	21.48%
Dec 31, 2002	272.40M	20.80%

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Data Source: Nasdaq Data Link Last updated: Jul 6, 2026

Market cap data is provided by Nasdaq Data Link. The current market cap updates continuously throughout the trading day, while the historical market cap is updated daily after market close.

Update frequency:

Daily

Last checked:

Jul 7, 2026

Data Sources Report a data error

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