Mather Group’s Old Second Bancorp OSBC Stock Holding History

Mather 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 Q4	–	Sell	-3,872	Closed	-$66.9K	–	1346
2025 Q3	$66.9K	Buy	+3,872	New	+$69.7K	﹤0.01%	838

Other funds holding OSBC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

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 New York $871B AUM 31.28% 1-Year Est. Return

Mather Group's OSBC Position: Q4 2025 in Review

Mather Group sold out of Old Second Bancorp (OSBC) in Q4 2025, closing a stake of 3,872 shares — an estimated $66.9K sold.

Mather Group first reported a position in OSBC in Q3 2025 and held it in 1 quarter. The position peaked at $66.9K in Q3 2025. 185 funds tracked by Wall St. Rank hold OSBC as of Q4 2025.

Mather Group reported no remaining Old Second Bancorp position as of Q4 2025 after selling out during the quarter.
Mather Group sold 3,872 Old Second Bancorp shares in Q4 2025, an estimated $66.9K.
Mather Group first reported a position in Old Second Bancorp in Q3 2025 and held it in 1 quarter.
Mather Group's Old Second Bancorp position peaked at $66.9K in Q3 2025.
185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q4 2025.

Based on Mather Group's 13F filing for Q4 2025, filed 13 Jan 2026.