GCP
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GSA Capital Partners’s Old Second Bancorp OSBC Stock Holding History

GSA Capital Partners’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 		$812K Buy
+34,819
New +$745K 0.05% 641
2025
Q4 		– Sell
-10,881
Closed -$188K – 1972
2025
Q3 		$188K Sell
10,881
-2,919
-21% -$52.6K 0.02% 1448
2025
Q2 		$245K Sell
13,800
-23,153
-63% -$377K 0.02% 1391
2025
Q1 		$615K Sell
36,953
-37,547
-50% -$672K 0.06% 652
2024
Q4 		$1.32M Sell
74,500
-51,331
-41% -$892K 0.1% 240
2024
Q3 		$1.96M Buy
+125,831
New +$2.02M 0.15% 131
2023
Q2 		– Sell
-38,877
Closed -$547K – 1829
2023
Q1 		$547K Buy
38,877
+24,530
+171% +$391K 0.05% 655
2022
Q4 		$230K Sell
14,347
-29,711
-67% -$475K 0.03% 1103
2022
Q3 		$575K Buy
44,058
+22,611
+105% +$317K 0.08% 469
2022
Q2 		$287K Buy
+21,447
New +$306K 0.04% 849
2020
Q1 		– Sell
-29,926
Closed -$403K – 1419
2019
Q4 		$403K Buy
+29,926
New +$373K 0.05% 810
2019
Q2 		– Sell
-19,325
Closed -$243K – 1660
2019
Q1 		$243K Buy
+19,325
New +$267K 0.02% 1124
2018
Q2 		– Sell
-56,631
Closed -$787K – 1866
2018
Q1 		$787K Buy
56,631
+8,100
+17% +$115K 0.04% 821
2017
Q4 		$662K Buy
+48,531
New +$645K 0.04% 802
2017
Q1 		– Sell
-14,600
Closed -$161K – 1927
2016
Q4 		$161K Hold
14,600
– – 0.01% 1635
2016
Q3 		$121K Hold
14,600
– – 0.01% 1675
2016
Q2 		$100K Buy
14,600
+2,100
+17% +$14.9K 0.01% 1668
2016
Q1 		$90K Buy
+12,500
New +$86.2K 0.01% 1589

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

GSA Capital Partners's OSBC Position: Q2 2026 in Review

GSA Capital Partners opened a new position in Old Second Bancorp (OSBC) in Q2 2026: 34,819 shares worth $812K. The stake represents 0.05% of the portfolio and ranks #641 among its holdings. This is a return to the name: GSA Capital Partners previously reported a position in OSBC as recently as Q3 2025.

GSA Capital Partners first reported a position in OSBC in Q1 2016 and has held it in 18 quarters since. The position peaked at $1.96M in Q3 2024. 185 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

  • GSA Capital Partners held 34,819 shares of Old Second Bancorp worth $812K as of Q2 2026.
  • Old Second Bancorp was a new GSA Capital Partners position in Q2 2026.
  • Old Second Bancorp made up 0.05% of GSA Capital Partners's portfolio in Q2 2026, its #641 holding.
  • GSA Capital Partners first reported a position in Old Second Bancorp in Q1 2016 and has held it in 18 quarters since.
  • GSA Capital Partners's Old Second Bancorp position peaked at $1.96M in Q3 2024.
  • 185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on GSA Capital Partners's 13F filing for Q2 2026, filed 6 Aug 2026.