Siena Capital Partners’s Old Second Bancorp OSBC Stock Holding History

Siena Capital Partners’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 Q3	$3.99M	Hold	163,038	–	–	0.94%	43
2026 Q2	$3.81M	Hold	163,038	–	–	0.92%	46
2026 Q1	$3.29M	Hold	163,038	–	–	0.85%	53
2025 Q4	$3.18M	Hold	163,038	–	–	0.85%	55
2025 Q3	$2.82M	Hold	163,038	–	–	0.81%	56
2025 Q2	$2.89M	Hold	163,038	–	–	0.85%	56
2025 Q1	$2.71M	Hold	163,038	–	–	0.81%	56
2024 Q4	$2.9M	Hold	163,038	–	–	0.8%	57
2024 Q3	$2.54M	Hold	163,038	–	–	0.73%	62
2024 Q2	$2.41M	Hold	163,038	–	–	0.8%	58
2024 Q1	$2.26M	Hold	163,038	–	–	0.75%	57
2023 Q4	$2.52M	Hold	163,038	–	–	0.79%	56
2023 Q3	$2.13M	Hold	163,038	–	–	0.76%	58
2023 Q2	$2.13M	Hold	163,038	–	–	0.76%	58
2023 Q1	$2.29M	Sell	163,038 -8,496	-5%	-$136K	0.83%	54
2022 Q4	$2.75M	Sell	171,534 -99,569	-37%	-$1.59M	0.95%	45
2022 Q3	$3.54M	Hold	271,103	–	–	1.2%	26
2022 Q2	$3.63M	Hold	271,103	–	–	1.23%	24
2022 Q1	$3.93M	Hold	271,103	–	–	1.22%	26
2021 Q4	$3.41M	Buy	+271,103	New	+$3.56M	1.04%	36

Other funds holding OSBC

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Boston Partners Boston, Massachusetts $111B AUM 30.48% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Banc Funds Company Chicago, Illinois $630M AUM 18.94% 1-Year Est. Return

Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Forum Financial Management Lombard, Illinois $7.7B AUM 11.59% 1-Year Est. Return

William Blair & Company Chicago, Illinois $38.6B AUM 22.09% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $179B AUM 29.92% 1-Year Est. Return

Siena Capital Partners's OSBC Position: Q3 2026 in Review

Siena Capital Partners held its Old Second Bancorp (OSBC) position steady in Q3 2026 at 163,038 shares worth $3.99M. The position accounts for 0.94% of the portfolio, ranked #43.

Siena Capital Partners first reported a position in OSBC in Q4 2021 and has held it in 20 quarters since. 99 funds tracked by Wall St. Rank hold OSBC as of Q3 2026.

Siena Capital Partners held 163,038 shares of Old Second Bancorp worth $3.99M as of Q3 2026.
Siena Capital Partners left its Old Second Bancorp share count unchanged in Q3 2026.
Old Second Bancorp made up 0.94% of Siena Capital Partners's portfolio in Q3 2026, its #43 holding.
Siena Capital Partners first reported a position in Old Second Bancorp in Q4 2021 and has held it in 20 quarters since.
99 funds tracked by Wall St. Rank held Old Second Bancorp as of Q3 2026.

Based on Siena Capital Partners's 13F filing for Q3 2026, filed 10 Nov 2026.