Two Sigma 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
$1.36M Buy
67,357
+34,758
+107% +$697K ﹤0.01% 3034
2025
Q4
$636K Sell
32,599
-155,192
-83% -$2.9M ﹤0.01% 3182
2025
Q3
$3.25M Buy
187,791
+66,340
+55% +$1.19M ﹤0.01% 1795
2025
Q2
$2.15M Buy
121,451
+3,989
+3% +$65K ﹤0.01% 1787
2025
Q1
$1.95M Sell
117,462
-30,881
-21% -$553K ﹤0.01% 1752
2024
Q4
$2.64M Sell
148,343
-18,843
-11% -$327K 0.01% 1528
2024
Q3
$2.61M Buy
167,186
+46,632
+39% +$750K 0.01% 1511
2024
Q2
$1.79M Buy
120,554
+13,179
+12% +$185K ﹤0.01% 1629
2024
Q1
$1.49M Buy
107,375
+12,813
+14% +$179K ﹤0.01% 1710
2023
Q4
$1.46M Sell
94,562
-39,101
-29% -$565K ﹤0.01% 1836
2023
Q3
$1.82M Buy
133,663
+35,602
+36% +$520K ﹤0.01% 1473
2023
Q2
$1.28M Sell
98,061
-47,569
-33% -$605K ﹤0.01% 1803
2023
Q1
$2.05M Sell
145,630
-22,768
-14% -$363K 0.01% 1364
2022
Q4
$2.7M Buy
168,398
+12,291
+8% +$196K 0.01% 1154
2022
Q3
$2.04M Sell
156,107
-84,285
-35% -$1.18M 0.01% 1137
2022
Q2
$3.22M Buy
240,392
+54,727
+29% +$782K 0.01% 956
2022
Q1
$2.69M Buy
185,665
+35,337
+24% +$495K 0.01% 1200
2021
Q4
$1.89M Sell
150,328
-44,225
-23% -$581K ﹤0.01% 1960
2021
Q3
$2.54M Buy
194,553
+95,835
+97% +$1.15M 0.01% 1759
2021
Q2
$1.22M Buy
98,718
+74,569
+309% +$998K ﹤0.01% 2305
2021
Q1
$319K Buy
+24,149
New +$284K ﹤0.01% 3277
2020
Q3
Sell
-24,449
Closed -$190K 3436
2020
Q2
$190K Sell
24,449
-23,764
-49% -$176K ﹤0.01% 2658
2020
Q1
$333K Sell
48,213
-31,368
-39% -$345K ﹤0.01% 2216
2019
Q4
$1.07M Buy
79,581
+8,373
+12% +$104K ﹤0.01% 2117
2019
Q3
$870K Buy
+71,208
New +$882K ﹤0.01% 2099
2018
Q4
Sell
-32,216
Closed -$498K 3378
2018
Q3
$498K Buy
32,216
+19,616
+156% +$299K ﹤0.01% 2448
2018
Q2
$181K Buy
+12,600
New +$184K ﹤0.01% 3145
2018
Q1
Sell
-31,993
Closed -$437K 3409
2017
Q4
$437K Sell
31,993
-9,103
-22% -$121K ﹤0.01% 2528
2017
Q3
$553K Buy
41,096
+12,973
+46% +$152K ﹤0.01% 2087
2017
Q2
$325K Buy
+28,123
New +$327K ﹤0.01% 2594

Other funds holding OSBC

Two Sigma Investments's OSBC Position: Q1 2026 in Review

Two Sigma Investments increased its Old Second Bancorp (OSBC) stake by 107% in Q1 2026, buying an estimated $697K and bringing the position to 67,357 shares worth $1.36M. The position accounts for ﹤0.01% of the portfolio, ranked #3034.

Two Sigma Investments first reported a position in OSBC in Q2 2017 and has held it in 30 quarters since. The position peaked at $3.25M in Q3 2025. 188 funds tracked by Wall St. Rank hold OSBC as of Q1 2026.

  • Two Sigma Investments held 67,357 shares of Old Second Bancorp worth $1.36M as of Q1 2026.
  • Two Sigma Investments bought 34,758 Old Second Bancorp shares in Q1 2026, an estimated $697K.
  • Old Second Bancorp made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #3034 holding.
  • Two Sigma Investments first reported a position in Old Second Bancorp in Q2 2017 and has held it in 30 quarters since.
  • Two Sigma Investments's Old Second Bancorp position peaked at $3.25M in Q3 2025.
  • 188 funds tracked by Wall St. Rank held Old Second Bancorp as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.