XT
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XTX Topco’s Old Second Bancorp OSBC Stock Holding History

XTX Topco’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 		– Sell
-10,590
Closed -$213K – 4558
2026
Q1 		$213K Buy
+10,590
New +$212K ﹤0.01% 2799
2025
Q2 		– Sell
-15,541
Closed -$259K – 2953
2025
Q1 		$259K Buy
15,541
+3,509
+29% +$62.8K 0.01% 1516
2024
Q4 		$214K Buy
+12,032
New +$209K 0.02% 1502

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

XTX Topco's OSBC Position: Q2 2026 in Review

XTX Topco sold out of Old Second Bancorp (OSBC) in Q2 2026, closing a stake of 10,590 shares — an estimated $213K sold.

XTX Topco first reported a position in OSBC in Q4 2024 and held it in 3 quarters. The position peaked at $259K in Q1 2025. 184 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

  • XTX Topco reported no remaining Old Second Bancorp position as of Q2 2026 after selling out during the quarter.
  • XTX Topco sold 10,590 Old Second Bancorp shares in Q2 2026, an estimated $213K.
  • XTX Topco first reported a position in Old Second Bancorp in Q4 2024 and held it in 3 quarters.
  • XTX Topco's Old Second Bancorp position peaked at $259K in Q1 2025.
  • 184 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.