American Century Companies’s Old Second Bancorp OSBC Stock Holding History

American Century Companies's OSBC Position: Q2 2026 in Review

American Century Companies increased its Old Second Bancorp (OSBC) stake by 12% in Q2 2026, buying an estimated $4.12M and bringing the position to 1,783,820 shares worth $41.6M. The position accounts for 0.02% of the portfolio, ranked #943.

American Century Companies first reported a position in OSBC in Q1 2020 and has held it in 26 quarters since. 184 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

• American Century Companies held 1,783,820 shares of Old Second Bancorp worth $41.6M as of Q2 2026.
• American Century Companies bought 192,877 Old Second Bancorp shares in Q2 2026, an estimated $4.12M.
• Old Second Bancorp made up 0.02% of American Century Companies's portfolio in Q2 2026, its #943 holding.
• American Century Companies first reported a position in Old Second Bancorp in Q1 2020 and has held it in 26 quarters since.
• 184 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.