River Street Advisors’s Old Second Bancorp OSBC Stock Holding History

River Street Advisors's OSBC Position: Q2 2026 in Review

River Street Advisors increased its Old Second Bancorp (OSBC) stake by 4.3% in Q2 2026, buying an estimated $692K and bringing the position to 779,008 shares worth $18.2M. The position accounts for 5.35% of the portfolio, ranked #2.

River Street Advisors first reported a position in OSBC in Q4 2024 and has held it in 6 quarters since. 185 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

• River Street Advisors held 779,008 shares of Old Second Bancorp worth $18.2M as of Q2 2026.
• River Street Advisors bought 32,348 Old Second Bancorp shares in Q2 2026, an estimated $692K.
• Old Second Bancorp made up 5.35% of River Street Advisors's portfolio in Q2 2026, its #2 holding.
• River Street Advisors first reported a position in Old Second Bancorp in Q4 2024 and has held it in 6 quarters since.
• 185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on River Street Advisors's 13F filing for Q2 2026, filed 21 Jul 2026.