AQR Capital Management
OSBC icon

AQR Capital Management’s Old Second Bancorp OSBC Stock Holding History

AQR Capital Management’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
2026
Q2 		$9.01M Sell
386,234
-5,726
-1% -$122K ﹤0.01% 1633
2026
Q1 		$7.9M Sell
391,960
-55,158
-12% -$1.11M ﹤0.01% 1464
2025
Q4 		$8.72M Sell
447,118
-70,981
-14% -$1.33M ﹤0.01% 1280
2025
Q3 		$8.96M Sell
518,099
-2,827
-0.5% -$50.9K 0.01% 1150
2025
Q2 		$9.24M Sell
520,926
-20,020
-4% -$326K 0.01% 998
2025
Q1 		$9M Buy
540,946
+135,971
+34% +$2.43M 0.01% 909
2024
Q4 		$7.2M Buy
404,975
+85,529
+27% +$1.49M 0.01% 955
2024
Q3 		$4.98M Buy
319,446
+11,451
+4% +$184K 0.01% 1065
2024
Q2 		$4.56M Buy
307,995
+51,652
+20% +$727K 0.01% 1065
2024
Q1 		$3.55M Buy
256,343
+208,392
+435% +$2.91M 0.01% 1142
2023
Q4 		$740K Buy
47,951
+14,252
+42% +$206K ﹤0.01% 1719
2023
Q3 		$459K Buy
+33,699
New +$492K ﹤0.01% 1881
2022
Q4 		– Sell
-21,237
Closed -$277K – 2257
2022
Q3 		$277K Buy
+21,237
New +$298K ﹤0.01% 1968
2022
Q2 		– Sell
-11,019
Closed -$160K – 2268
2022
Q1 		$160K Sell
11,019
-15,991
-59% -$224K ﹤0.01% 2098
2021
Q4 		$340K Sell
27,010
-3,146
-10% -$41.3K ﹤0.01% 1945
2021
Q3 		$394K Buy
+30,156
New +$362K ﹤0.01% 1950

Other funds holding OSBC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
DAM
Davis Asset Management Sausalito, California $3.95B AUM 11.79% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
FCM
FJ Capital Management Mclean, Virginia $770M AUM 28.42% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

AQR Capital Management's OSBC Position: Q2 2026 in Review

AQR Capital Management reduced its Old Second Bancorp (OSBC) stake by 1.5% in Q2 2026, selling an estimated $122K and leaving 386,234 shares worth $9.01M. The position accounts for ﹤0.01% of the portfolio, ranked #1633.

AQR Capital Management first reported a position in OSBC in Q3 2021 and has held it in 16 quarters since. The position peaked at $9.24M in Q2 2025. 185 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

  • AQR Capital Management held 386,234 shares of Old Second Bancorp worth $9.01M as of Q2 2026.
  • AQR Capital Management sold 5,726 Old Second Bancorp shares in Q2 2026, an estimated $122K.
  • Old Second Bancorp made up ﹤0.01% of AQR Capital Management's portfolio in Q2 2026, its #1633 holding.
  • AQR Capital Management first reported a position in Old Second Bancorp in Q3 2021 and has held it in 16 quarters since.
  • AQR Capital Management's Old Second Bancorp position peaked at $9.24M in Q2 2025.
  • 185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.