SEI Investments’s Old Second Bancorp OSBC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.09M Buy
203,088
+86,057
+74% +$1.73M ﹤0.01% 1649
2025
Q4
$2.28M Buy
117,031
+61,905
+112% +$1.16M ﹤0.01% 1778
2025
Q3
$953K Buy
55,126
+1,470
+3% +$26.5K ﹤0.01% 1983
2025
Q2
$952K Buy
53,656
+30,612
+133% +$499K ﹤0.01% 1949
2025
Q1
$383K Buy
+23,044
New +$413K ﹤0.01% 2236

Other funds holding OSBC

SEI Investments's OSBC Position: Q1 2026 in Review

SEI Investments increased its Old Second Bancorp (OSBC) stake by 74% in Q1 2026, buying an estimated $1.73M and bringing the position to 203,088 shares worth $4.09M. The position accounts for ﹤0.01% of the portfolio, ranked #1649.

SEI Investments first reported a position in OSBC in Q1 2025 and has held it in 5 quarters since. 188 funds tracked by Wall St. Rank hold OSBC as of Q1 2026.

  • SEI Investments held 203,088 shares of Old Second Bancorp worth $4.09M as of Q1 2026.
  • SEI Investments bought 86,057 Old Second Bancorp shares in Q1 2026, an estimated $1.73M.
  • Old Second Bancorp made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #1649 holding.
  • SEI Investments first reported a position in Old Second Bancorp in Q1 2025 and has held it in 5 quarters since.
  • 188 funds tracked by Wall St. Rank held Old Second Bancorp as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.