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 2021 vs. Q3 2021

How the institutions holding Old Second Bancorp Inc changed between Q3 2021 and Q4 2021.

All holders in Q4 2021 All holders in Q3 2021

13F holders of OSBC: Q3 2021 compared with Q4 2021
Measure	Q3 2021	Of which not filed for Q4 2021	Q4 2021	Change
Holders	113	1	129	+17
Shares	20.4M	3.02K	22.4M	+2.00M (+9.8%)
Value	$266.1M	$39.0K	$281.7M	+$15.7M (+5.9%)

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Old Second Bancorp Inc at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to OSBC in Q4 2021
Institution	Shares	Value	% of portfolio
EJF Capital LLC	353,464	$4.45M	0.40%
Siena Capital Partners GP, LLC	271,103	$3.41M	1.04%
Elizabeth Park Capital Advisors, Ltd.	232,111	$2.92M	1.12%
River Oaks Capital LLC	105,000	$1.32M	1.22%
Forum Financial Management, LP	97,055	$1.22M	0.06%
MSH Capital Advisors LLC	84,826	$1.07M	0.48%
Assenagon Asset Management S.A.	61,320	$772.0K	0.00%
Pinnacle Financial Group, LLC	23,284	$293.0K	0.23%
Los Angeles Capital Management LLC	21,070	$265.0K	0.00%
Man Group plc	18,800	$237.0K	0.00%
Bartlett & Co. Wealth Management LLC	17,000	$214.0K	0.00%
Bartlett & Co. LLC	17,000	$214.0K	0.00%
CSS LLC	15,209	$191.0K	0.01%
Busey Wealth Management	14,165	$178.0K	0.01%
Creative Planning	12,934	$163.0K	0.00%
Welch & Forbes LLC	12,723	$160.0K	0.00%
Allspring Global Investments Holdings, LLC	11,568	$145.0K	0.00%
US Bancorp	1,314	$17.0K	0.00%
Aquatic Capital Management LLC	1,100	$14.0K	0.03%
Northwestern Mutual Wealth Management Co	513	$6.00K	0.00%
Point72 Hong Kong Ltd	454	$6.00K	0.00%
CWM, LLC	197	$2.00K	0.00%
Steward Partners Investment Advisory, LLC	87	$1.00K	0.00%
Toronto Dominion Bank	3	$0	0.00%

Sold out (7)

Institutions that held Old Second Bancorp Inc at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of OSBC in Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Wellington Management Group LLP	258,300	$3.37M
Winton Group Ltd	23,555	$308.0K
Alpha Paradigm Partners, LLC	10,759	$141.0K
ExodusPoint Capital Management, LP	10,742	$140.0K
Marshall Wace, LLP	10,097	$132.0K
HRT Financial LP	10,098	$131.0K
Acadian Asset Management LLC	314	$4.00K

Not filed for Q4 2021 yet (1)

Institutions that held Old Second Bancorp Inc at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OSBC in Q3 2021 that haven't filed for Q4 2021
Institution	Shares, Q3 2021	Value, Q3 2021
Berman Capital Advisors, LLC	3,022	$39.0K