Jeff Yass’s Old Second Bancorp OSBC Stock Holding History

Jeff Yass’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 Q1	–	Sell	-19,500	Closed	-$347K	–	13194
2024 Q4	$347K	Buy	+19,500	New	+$339K	﹤0.01%	9517

Other funds holding OSBC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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 Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jeff Yass's OSBC Position: Q2 2026 in Review

Jeff Yass sold out of Old Second Bancorp (OSBC) in Q2 2026, closing a stake of 38,533 shares — an estimated $777K sold.

Jeff Yass first reported a position in OSBC in Q4 2016 and held it in 21 quarters. The position peaked at $1.19M in Q2 2025. 183 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

Jeff Yass reported no remaining Old Second Bancorp position as of Q2 2026 after selling out during the quarter.
Jeff Yass sold 38,533 Old Second Bancorp shares in Q2 2026, an estimated $777K.
Jeff Yass first reported a position in Old Second Bancorp in Q4 2016 and held it in 21 quarters.
Jeff Yass's Old Second Bancorp position peaked at $1.19M in Q2 2025.
183 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.