Congress raises OSBC stake: Old Second Bancorp stock sits 4.49 percent below high
Published on 10/08/2026 at 19:30 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSKey points in brief
- Congress Asset Management increased its Old Second Bancorp stake by 21.40 percent in the third quarter of 2026.
- Old Second Bancorp stock was at EUR 22.10 at Lang & Schwarz on October 8, 2026, plus 0.45 percent versus EUR 22.00.
- The Nasdaq quote was USD 24.89, 4.49 percent below the USD 26.06 52-week high, on October 8, 2026.
- Old Second Bancorp reported USD 28.2 million in second-quarter 2026 net income and USD 0.54 diluted earnings per share.
Old Second Bancorp (ISIN US6802771005) was trading at EUR 22.10 at Lang & Schwarz on October 8, 2026, plus 0.45 percent versus the prior close of EUR 22.00. MarketBeat reported on October 8, 2026 that Congress Asset Management increased its Old Second Bancorp stake by 21.40 percent during the third quarter, adding 72,551 shares.
Institutional ownership rises to 67.76 percent
The fund owned 411,201 shares valued at USD 10.1 million after the purchase, equivalent to 0.81 percent of Old Second Bancorp. Institutional investors and hedge funds held 67.76 percent of the company, while insiders owned 3.60 percent, according to MarketBeat.
The ownership signal is mixed rather than one-sided. Executives and directors sold a combined 149,000 shares worth USD 3.81 million over the previous 90 days, so the fund purchase stands alongside meaningful insider selling.
What does the earnings setup show?
Old Second Bancorp reported USD 28.2 million in GAAP net income and USD 0.54 diluted earnings per share for the second quarter of 2026, up from USD 25.6 million and USD 0.48 in the first quarter, respectively, according to MarketMinute. The finance data series also puts second-quarter net margin at 29.00 percent and total assets at USD 6.9 billion as of June 30, 2026.
Three dates frame the announcement
On July 22, 2026, Old Second Bancorp reported USD 28.2 million in second-quarter net income; on October 1, 2026, it scheduled the third-quarter release for October 21; and on October 8, 2026, Congress Asset Management disclosed the 21.40 percent stake increase, with the figures covered by MarketMinute, Investing.com and MarketBeat. The next dates are October 21, 2026 for the third-quarter results and October 22, 2026 for the earnings call at 10:00 a.m. Eastern Time, as reported by Investing.com.
Nasdaq price remains below the yearly high
The primary Nasdaq quote was USD 24.89 on October 8, 2026 at 1:29 p.m. Eastern Time, while the 52-week range was USD 16.65 to USD 26.06. That places the stock 4.49 percent below its high, while the market capitalization stood at USD 1.3 billion. Old Second Bancorp operates as a bank holding company offering consumer, commercial and wealth-management services, according to its investor-relations overview.
Price and reporting dates
After the Xetra close, Old Second Bancorp stock was at EUR 22.10 at Lang & Schwarz on October 8, 2026, plus 0.45 percent versus the EUR 22.00 prior close. The Nasdaq price of USD 24.89 and the USD 26.06 yearly high provide a separate home-market comparison. The further course of trading is shown by the continuously updated real-time quote of Old Second Bancorp stock.
Old Second Bancorp stock facts
- Company: Old Second Bancorp, Inc.
- ISIN: US6802771005
- Ticker: OSBC
- Primary exchange: Nasdaq
- Price Lang & Schwarz (as of October 8, 2026): EUR 22.10
- Change versus prior close: plus 0.45 percent
- Prior close Lang & Schwarz (October 7, 2026): EUR 22.00
- Market capitalization: USD 1.3 billion (as of October 8, 2026)
- 52-week range: USD 16.65-26.06 (as of October 8, 2026)
- Sector / Industry: Financial services / Regional banks
Market context: Market report S&P 500.
