William Blair & Company’s Old Second Bancorp OSBC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$320K Buy
18,020
+21
+0.1% +$373 ﹤0.01% 1238
2025
Q1
$300K Buy
17,999
+17
+0.1% +$283 ﹤0.01% 1257
2024
Q4
$320K Sell
17,982
-644
-3% -$11.5K ﹤0.01% 1262
2024
Q3
$290K Buy
18,626
+16
+0.1% +$249 ﹤0.01% 1297
2024
Q2
$276K Buy
18,610
+7,525
+68% +$111K ﹤0.01% 1294
2024
Q1
$153K Buy
11,085
+3
+0% +$42 ﹤0.01% 1451
2023
Q4
$171K Buy
11,082
+2
+0% +$31 ﹤0.01% 1424
2023
Q3
$151K Buy
11,080
+2
+0% +$27 ﹤0.01% 1444
2023
Q2
$145K Buy
11,078
+3
+0% +$39 ﹤0.01% 1462
2023
Q1
$156K Buy
11,075
+2
+0% +$28 ﹤0.01% 1443
2022
Q4
$178K Buy
11,073
+2
+0% +$32 ﹤0.01% 1393
2022
Q3
$144K Buy
11,071
+3
+0% +$39 ﹤0.01% 1448
2022
Q2
$148K Buy
11,068
+2
+0% +$27 ﹤0.01% 1475
2022
Q1
$161K Buy
11,066
+2
+0% +$29 ﹤0.01% 1567
2021
Q4
$139K Buy
11,064
+3
+0% +$38 ﹤0.01% 1644
2021
Q3
$144K Buy
11,061
+3
+0% +$39 ﹤0.01% 1563
2021
Q2
$137K Buy
11,058
+2
+0% +$25 ﹤0.01% 1572
2021
Q1
$146K Sell
11,056
-25,499
-70% -$337K ﹤0.01% 1539
2020
Q4
$369K Sell
36,555
-28,194
-44% -$285K ﹤0.01% 1178
2020
Q3
$485K Buy
64,749
+10,739
+20% +$80.4K ﹤0.01% 977
2020
Q2
$420K Sell
54,010
-61,404
-53% -$477K ﹤0.01% 993
2020
Q1
$798K Sell
115,414
-13,545
-11% -$93.7K 0.01% 729
2019
Q4
$1.74M Sell
128,959
-14,829
-10% -$200K 0.01% 644
2019
Q3
$1.76M Sell
143,788
-1,921
-1% -$23.5K 0.01% 602
2019
Q2
$1.86M Sell
145,709
-274
-0.2% -$3.5K 0.01% 591
2019
Q1
$1.84M Buy
145,983
+1,473
+1% +$18.5K 0.01% 588
2018
Q4
$1.88M Buy
144,510
+30,619
+27% +$398K 0.01% 533
2018
Q3
$1.76M Buy
113,891
+20,237
+22% +$313K 0.01% 585
2018
Q2
$1.35M Buy
93,654
+52,406
+127% +$755K 0.01% 639
2018
Q1
$573K Buy
+41,248
New +$573K ﹤0.01% 879
2017
Q2
Sell
-60,916
Closed -$684K 1502
2017
Q1
$684K Hold
60,916
0.01% 797
2016
Q4
$673K Buy
60,916
+40,290
+195% +$445K 0.01% 738
2016
Q3
$171K Buy
+20,626
New +$171K ﹤0.01% 1166