M1FG
OSBC icon

Mach-1 Financial Group’s Old Second Bancorp OSBC Stock Holding History

Mach-1 Financial 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
Q3 		– Sell
-18,953
Closed -$336K – 364
2025
Q2 		$336K Buy
+18,953
New +$309K 0.1% 165

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
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
DAM
Davis Asset Management Sausalito, California $3.46B AUM 9.77% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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

Mach-1 Financial Group's OSBC Position: Q3 2025 in Review

Mach-1 Financial Group sold out of Old Second Bancorp (OSBC) in Q3 2025, closing a stake of 18,953 shares — an estimated $336K sold.

Mach-1 Financial Group first reported a position in OSBC in Q2 2025 and held it in 1 quarter. The position peaked at $336K in Q2 2025. 197 funds tracked by Wall St. Rank hold OSBC as of Q3 2025.

  • Mach-1 Financial Group reported no remaining Old Second Bancorp position as of Q3 2025 after selling out during the quarter.
  • Mach-1 Financial Group sold 18,953 Old Second Bancorp shares in Q3 2025, an estimated $336K.
  • Mach-1 Financial Group first reported a position in Old Second Bancorp in Q2 2025 and held it in 1 quarter.
  • Mach-1 Financial Group's Old Second Bancorp position peaked at $336K in Q2 2025.
  • 197 funds tracked by Wall St. Rank held Old Second Bancorp as of Q3 2025.

Based on Mach-1 Financial Group's 13F filing for Q3 2025, filed 12 Nov 2025.