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 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

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

Siena Capital Partners's OSBC Position: Q2 2026 in Review

Siena Capital Partners held its Old Second Bancorp (OSBC) position steady in Q2 2026 at 163,038 shares worth $3.81M. The position accounts for 0.92% of the portfolio, ranked #46.

Siena Capital Partners first reported a position in OSBC in Q4 2021 and has held it in 19 quarters since. The position peaked at $3.93M in Q1 2022. 185 funds tracked by Wall St. Rank hold OSBC as of Q2 2026.

Siena Capital Partners held 163,038 shares of Old Second Bancorp worth $3.81M as of Q2 2026.
Siena Capital Partners left its Old Second Bancorp share count unchanged in Q2 2026.
Old Second Bancorp made up 0.92% of Siena Capital Partners's portfolio in Q2 2026, its #46 holding.
Siena Capital Partners first reported a position in Old Second Bancorp in Q4 2021 and has held it in 19 quarters since.
Siena Capital Partners's Old Second Bancorp position peaked at $3.93M in Q1 2022.
185 funds tracked by Wall St. Rank held Old Second Bancorp as of Q2 2026.

Based on Siena Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.