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R Squared’s Old Second Bancorp OSBC Stock Holding History

R Squared’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 		– Sell
-30,899
Closed -$534K – 663
2025
Q3 		$534K Buy
30,899
+6,598
+27% +$119K 0.23% 127
2025
Q2 		$431K Buy
24,301
+9,952
+69% +$162K 0.24% 132
2025
Q1 		$239K Buy
14,349
+8,929
+165% +$160K 0.26% 166
2024
Q4 		$96.4K Buy
+5,420
New +$94.2K 0.09% 270

Other funds holding OSBC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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

R Squared's OSBC Position: Q4 2025 in Review

R Squared sold out of Old Second Bancorp (OSBC) in Q4 2025, closing a stake of 30,899 shares — an estimated $534K sold.

R Squared first reported a position in OSBC in Q4 2024 and held it in 4 quarters. The position peaked at $534K in Q3 2025. 185 funds tracked by Wall St. Rank hold OSBC as of Q4 2025.

  • R Squared reported no remaining Old Second Bancorp position as of Q4 2025 after selling out during the quarter.
  • R Squared sold 30,899 Old Second Bancorp shares in Q4 2025, an estimated $534K.
  • R Squared first reported a position in Old Second Bancorp in Q4 2024 and held it in 4 quarters.
  • R Squared's Old Second Bancorp position peaked at $534K in Q3 2025.
  • 185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q4 2025.

Based on R Squared's 13F filing for Q4 2025, filed 30 Jan 2026.