Mendon Capital Advisors’s Old Second Bancorp OSBC Stock Holding History

Mendon Capital Advisors’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	$2.33M	Hold	100,000	–	–	0.82%	36
2026 Q1	$2.02M	Hold	100,000	–	–	0.78%	36
2025 Q4	$1.95M	Hold	100,000	–	–	0.58%	50
2025 Q3	$1.73M	Hold	100,000	–	–	0.66%	45
2025 Q2	$1.77M	Hold	100,000	–	–	0.86%	35
2025 Q1	$1.66M	Hold	100,000	–	–	0.77%	36
2024 Q4	$1.78M	Hold	100,000	–	–	0.88%	34
2024 Q3	$1.56M	Sell	100,000 -50,000	-33%	-$805K	1.01%	27
2024 Q2	$2.22M	Hold	150,000	–	–	1.23%	28
2024 Q1	$2.08M	Sell	150,000 -50,000	-25%	-$699K	1.11%	30
2023 Q4	$3.09M	Buy	+200,000	New	+$2.89M	1.28%	30
2022 Q1	$6.11M	Sell	420,732 -29,968	-7%	-$420K	2.02%	21
2021 Q4	$5.67M	Buy	450,700 +250,700	+125%	+$3.29M	1.63%	28
2021 Q3	$2.61M	Buy	200,000 +50,000	+33%	+$600K	0.89%	37
2021 Q2	$1.86M	Hold	150,000	–	–	0.67%	41
2021 Q1	$1.98M	Sell	150,000 -10,000	-6%	-$118K	0.73%	36
2020 Q4	$1.62M	Buy	160,000 +6,629	+4%	+$62.9K	0.76%	39
2020 Q3	$1.15M	Buy	153,371 +2,842	+2%	+$22.7K	0.67%	38
2020 Q2	$1.17M	Buy	+150,529	New	+$1.11M	0.6%	40
2017 Q3	–	Sell	-283,288	Closed	-$3.27M	–	116
2017 Q2	$3.27M	Hold	283,288	–	–	0.26%	97
2017 Q1	$3.19M	Hold	283,288	–	–	0.26%	96
2016 Q4	$3.13M	Buy	283,288 +25,000	+10%	+$227K	0.32%	79
2016 Q3	$2.15M	Hold	258,288	–	–	0.24%	89
2016 Q2	$1.76M	Hold	258,288	–	–	0.18%	87
2016 Q1	$1.85M	Hold	258,288	–	–	0.24%	89
2015 Q4	$2.02M	Buy	+258,288	New	+$1.86M	0.27%	94

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

Mendon Capital Advisors's OSBC Position: Q2 2026 in Review

Mendon Capital Advisors held its Old Second Bancorp (OSBC) position steady in Q2 2026 at 100,000 shares worth $2.33M. The position accounts for 0.82% of the portfolio, ranked #36.

Mendon Capital Advisors first reported a position in OSBC in Q4 2015 and has held it in 26 quarters since. The position peaked at $6.11M in Q1 2022. 184 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

Mendon Capital Advisors held 100,000 shares of Old Second Bancorp worth $2.33M as of Q2 2026.
Mendon Capital Advisors left its Old Second Bancorp share count unchanged in Q2 2026.
Old Second Bancorp made up 0.82% of Mendon Capital Advisors's portfolio in Q2 2026, its #36 holding.
Mendon Capital Advisors first reported a position in Old Second Bancorp in Q4 2015 and has held it in 26 quarters since.
Mendon Capital Advisors's Old Second Bancorp position peaked at $6.11M in Q1 2022.
184 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on Mendon Capital Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.