Vanguard Group
OSBC icon

Vanguard Group’s Old Second Bancorp OSBC Stock Holding History

Vanguard Group’s Portfolio OSBC Stock Details OSBC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$63.9M Buy
3,278,388
+8,395
+0.3% +$157K ﹤0.01% 2043
2025
Q3 		$56.5M Buy
3,269,993
+553,169
+20% +$9.96M ﹤0.01% 2098
2025
Q2 		$48.2M Buy
2,716,824
+5,434
+0.2% +$88.6K ﹤0.01% 2139
2025
Q1 		$45.1M Buy
2,711,390
+73,672
+3% +$1.32M ﹤0.01% 2128
2024
Q4 		$46.9M Buy
2,637,718
+181,783
+7% +$3.16M ﹤0.01% 2191
2024
Q3 		$38.3M Buy
2,455,935
+114,015
+5% +$1.83M ﹤0.01% 2292
2024
Q2 		$34.7M Sell
2,341,920
-82,063
-3% -$1.15M ﹤0.01% 2295
2024
Q1 		$33.5M Buy
2,423,983
+45,955
+2% +$642K ﹤0.01% 2346
2023
Q4 		$36.7M Buy
2,378,028
+117,431
+5% +$1.7M ﹤0.01% 2317
2023
Q3 		$30.8M Buy
2,260,597
+33,149
+1% +$484K ﹤0.01% 2361
2023
Q2 		$29.1M Buy
2,227,448
+45,756
+2% +$582K ﹤0.01% 2426
2023
Q1 		$30.7M Buy
2,181,692
+38,525
+2% +$614K ﹤0.01% 2402
2022
Q4 		$34.4M Sell
2,143,167
-27,839
-1% -$445K ﹤0.01% 2356
2022
Q3 		$28.3M Buy
2,171,006
+92,633
+4% +$1.3M ﹤0.01% 2470
2022
Q2 		$27.8M Buy
2,078,373
+153,174
+8% +$2.19M ﹤0.01% 2479
2022
Q1 		$27.9M Buy
1,925,199
+572,257
+42% +$8.02M ﹤0.01% 2599
2021
Q4 		$17M Buy
1,352,942
+8,105
+0.6% +$106K ﹤0.01% 2928
2021
Q3 		$17.6M Buy
1,344,837
+76,864
+6% +$923K ﹤0.01% 2934
2021
Q2 		$15.7M Sell
1,267,973
-150,671
-11% -$2.02M ﹤0.01% 2962
2021
Q1 		$18.7M Buy
1,418,644
+21,607
+2% +$254K ﹤0.01% 2817
2020
Q4 		$14.1M Buy
1,397,037
+10,559
+0.8% +$100K ﹤0.01% 2816
2020
Q3 		$10.4M Sell
1,386,478
-38,112
-3% -$305K ﹤0.01% 2763
2020
Q2 		$11.1M Buy
1,424,590
+37,980
+3% +$281K ﹤0.01% 2723
2020
Q1 		$9.58M Buy
1,386,610
+26,994
+2% +$297K ﹤0.01% 2646
2019
Q4 		$18.3M Buy
1,359,616
+18,009
+1% +$225K ﹤0.01% 2577
2019
Q3 		$16.4M Buy
1,341,607
+15,984
+1% +$198K ﹤0.01% 2578
2019
Q2 		$16.9M Sell
1,325,623
-13,536
-1% -$174K ﹤0.01% 2595
2019
Q1 		$16.9M Buy
1,339,159
+45,256
+3% +$626K ﹤0.01% 2581
2018
Q4 		$16.8M Buy
1,293,903
+49,261
+4% +$697K ﹤0.01% 2521
2018
Q3 		$19.2M Buy
1,244,642
+15,408
+1% +$235K ﹤0.01% 2594
2018
Q2 		$17.7M Buy
1,229,234
+11,009
+0.9% +$161K ﹤0.01% 2618
2018
Q1 		$16.9M Buy
1,218,225
+50,085
+4% +$713K ﹤0.01% 2568
2017
Q4 		$15.9M Sell
1,168,140
-25,903
-2% -$344K ﹤0.01% 2594
2017
Q3 		$16.1M Buy
1,194,043
+215,782
+22% +$2.53M ﹤0.01% 2585
2017
Q2 		$11.3M Buy
978,261
+10,520
+1% +$122K ﹤0.01% 2716
2017
Q1 		$10.9M Buy
967,741
+43,030
+5% +$463K ﹤0.01% 2724
2016
Q4 		$10.2M Buy
924,711
+45,926
+5% +$416K ﹤0.01% 2735
2016
Q3 		$7.3M Buy
878,785
+3,188
+0.4% +$24.4K ﹤0.01% 2825
2016
Q2 		$5.98M Buy
875,597
+67,411
+8% +$478K ﹤0.01% 2890
2016
Q1 		$5.79M Buy
808,186
+120,982
+18% +$834K ﹤0.01% 2888
2015
Q4 		$5.39M Buy
687,204
+12,008
+2% +$86.6K ﹤0.01% 2957
2015
Q3 		$4.21M Buy
675,196
+20,976
+3% +$133K ﹤0.01% 3051
2015
Q2 		$4.32M Buy
654,220
+47,300
+8% +$287K ﹤0.01% 3082
2015
Q1 		$3.47M Buy
606,920
+4,300
+0.7% +$23.4K ﹤0.01% 3174
2014
Q4 		$3.24M Buy
602,620
+54,600
+10% +$266K ﹤0.01% 3099
2014
Q3 		$2.64M Buy
548,020
+102
+0% +$490 ﹤0.01% 3149
2014
Q2 		$2.72M Buy
547,918
+266,300
+95% +$1.28M ﹤0.01% 3118
2014
Q1 		$1.29M Buy
281,618
+12,800
+5% +$60.7K ﹤0.01% 3378
2013
Q4 		$1.24M Sell
268,818
-6,115
-2% -$29.7K ﹤0.01% 3354
2013
Q3 		$1.56M Buy
274,933
+1,550
+0.6% +$9.23K ﹤0.01% 3231
2013
Q2 		$1.51M Buy
+273,383
New +$1.28M ﹤0.01% 3166

Other funds holding OSBC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
FCM
FJ Capital Management Mclean, Virginia $888M AUM 18.97% 1-Year Est. Return
DAM
Davis Asset Management Sausalito, California $3.46B AUM 9.77% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
KCM
Kennedy Capital Management St Louis, Missouri $4.72B AUM 36.69% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Vanguard Group's OSBC Position: Q4 2025 in Review

Vanguard Group increased its Old Second Bancorp (OSBC) stake by 0.26% in Q4 2025, buying an estimated $157K and bringing the position to 3,278,388 shares worth $63.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2043.

Vanguard Group first reported a position in OSBC in Q2 2013 and has held it in 51 quarters since. 185 funds tracked by Wall St. Rank hold OSBC as of Q4 2025.

  • Vanguard Group held 3,278,388 shares of Old Second Bancorp worth $63.9M as of Q4 2025.
  • Vanguard Group bought 8,395 Old Second Bancorp shares in Q4 2025, an estimated $157K.
  • Old Second Bancorp made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2043 holding.
  • Vanguard Group first reported a position in Old Second Bancorp in Q2 2013 and has held it in 51 quarters since.
  • 185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.