Old Second Bancorp Inc

OSBC

Exchange: Nasdaq
Industry: State Commercial Banks
SEC CIK: 0000357173

SEC filings (opens in a new tab)

In the last 90 days, Old Second Bancorp Inc insiders filed 0 open-market purchases and 7 sales; 184 institutions reported holding it in 13F filings for Q2 2026, worth $903.3M in total; no superinvestor holds it.

Q4 2023 vs. Q3 2023

How the institutions holding Old Second Bancorp Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of OSBC: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	145	2	160	+17
Shares	29.9M	409.1K	30.5M	+985.4K (+3.3%)
Value	$406.8M	$5.57M	$470.4M	+$69.2M (+17.3%)

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (27)

Institutions that held Old Second Bancorp Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to OSBC in Q4 2023
Institution	Shares	Value	% of portfolio
Mendon Capital Advisors Corp	200,000	$3.09M	1.45%
Qube Research & Technologies Ltd	44,294	$683.9K	0.00%
Jane Street Group, LLC	34,561	$533.6K	0.00%
Rothschild Investment LLC	28,000	$432.3K	0.04%
Quest Partners LLC	25,670	$396.3K	0.08%
Occudo Quantitative Strategies LP	24,698	$381.3K	0.05%
Semanteon Capital Management, LP	23,231	$358.7K	0.24%
ExodusPoint Capital Management, LP	20,978	$324.0K	0.00%
Elequin Capital LP	16,785	$259.2K	0.08%
Connor, Clark & Lunn Investment Management Ltd.	12,799	$197.6K	0.00%
Zacks Investment Management	12,537	$193.6K	0.00%
Lincoln National Corp	11,741	$181.3K	0.00%
HighPoint Advisor Group LLC	12,787	$173.0K	0.01%
Quadrature Capital Ltd	11,116	$171.6K	0.00%
Man Group plc	10,293	$158.9K	0.00%
SG Americas Securities, LLC	9,641	$149.0K	0.00%
State of Wyoming	5,378	$83.0K	0.02%
EntryPoint Capital, LLC	4,444	$68.6K	0.07%
Criterion Capital Advisors, LLC	2,984	$46.1K	0.03%
Lindbrook Capital, LLC	652	$10.1K	0.00%
Point72 Asset Management, L.P.	600	$9.26K	0.00%
Quarry LP	486	$7.50K	0.00%
Mowery & Schoenfeld Wealth Management, LLC	400	$6.18K	0.01%
West Tower Group, LLC	197	$3.04K	0.01%
GAMMA Investing LLC	125	$1.70K	0.00%
Creative Financial Designs Inc	102	$1.57K	0.00%
Farther Finance Advisors, LLC	10	$154	0.00%

Sold out (10)

Institutions that held Old Second Bancorp Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of OSBC in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Holocene Advisors, LP	375,250	$5.11M
Eagle Asset Management Inc	114,926	$1.56M
Arrowstreet Capital, Limited Partnership	53,168	$724.0K
CWM Advisors, LLC	46,848	$637.6K
Jacobs Levy Equity Management, Inc	35,643	$485.1K
Y-Intercept (Hong Kong) Ltd	20,838	$283.6K
Graham Capital Management, L.P.	12,409	$168.9K
Raymond James Financial Services Advisors, Inc.	11,585	$157.7K
Allspring Global Investments Holdings, LLC	3,152	$42.9K
Stonebridge Capital Advisors LLC	2,032	$27.7K

Not filed for Q4 2023 yet (2)

Institutions that held Old Second Bancorp Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OSBC in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
River Oaks Capital LLC	381,100	$5.19M
Rothschild Investment Corp	28,000	$381.0K