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 2024 vs. Q3 2024

How the institutions holding Old Second Bancorp Inc changed between Q3 2024 and Q4 2024.

All holders in Q4 2024 All holders in Q3 2024

13F holders of OSBC: Q3 2024 compared with Q4 2024
Measure	Q3 2024	Of which not filed for Q4 2024	Q4 2024	Change
Holders	175	1	180	+6
Shares	31.8M	26.1K	32.3M	+546.7K (+1.7%)
Value	$495.0M	$406.3K	$573.9M	+$79.3M (+16.0%)

1 institution that held it in Q3 2024 haven't filed for Q4 2024 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 2024 but not at the end of Q3 2024.

Institutions new to OSBC in Q4 2024
Institution	Shares	Value	% of portfolio
Boothbay Fund Management, LLC	342,206	$6.08M	0.19%
River Street Advisors LLC	189,149	$3.36M	1.72%
PMC FIG Opportunities LLC	98,618	$1.75M	4.44%
Persistent Asset Partners Ltd	68,343	$1.28M	1.10%
Adage Capital Partners GP, L.L.C.	69,987	$1.24M	0.00%
PDT Partners, LLC	54,135	$962.5K	0.09%
Balyasny Asset Management LLC	45,745	$813.3K	0.00%
Tudor Investment Corp Et Al	41,431	$736.6K	0.01%
LSV Asset Management	31,079	$553.0K	0.00%
Raymond James Financial Inc	25,800	$458.7K	0.00%
Verition Fund Management LLC	22,220	$395.1K	0.00%
HighPoint Advisor Group LLC	14,570	$281.1K	0.02%
Jacobs Levy Equity Management, Inc	15,100	$268.5K	0.00%
Engineers Gate Manager LP	15,091	$268.3K	0.00%
Ieq Capital, LLC	12,921	$229.7K	0.00%
ProShare Advisors LLC	12,271	$218.2K	0.00%
XTX Topco Ltd	12,032	$213.9K	0.02%
PharVision Advisers, LLC	10,008	$177.9K	0.15%
Police & Firemen's Retirement System of New Jersey	9,351	$166.3K	0.00%
KLP Kapitalforvaltning AS	9,100	$161.8K	0.00%
R Squared Ltd	5,420	$96.4K	0.09%
MAI Capital Management	1,357	$24.1K	0.00%
Versant Capital Management, Inc	877	$15.6K	0.00%
UMA Financial Services, Inc.	45	$801	0.00%
IFP Advisors, Inc	28	$498	0.00%
Massmutual Trust Co FSB	19	$338	0.00%
EverSource Wealth Advisors, LLC	14	$249	0.00%

Sold out (21)

Institutions that held Old Second Bancorp Inc at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of OSBC in Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Aptus Capital Advisors, LLC	286,887	$4.47M
Y-Intercept (Hong Kong) Ltd	62,465	$973.8K
Jane Street Group, LLC	62,398	$972.8K
Graham Capital Wealth Management, LLC	44,110	$687.7K
Semanteon Capital Management, LP	36,880	$575.0K
D. E. Shaw & Co., Inc.	35,117	$547.5K
Magnetar Financial LLC	21,365	$333.1K
Occudo Quantitative Strategies LP	19,999	$311.8K
Centiva Capital, LP	18,294	$285.2K
Sherbrooke Park Advisers LLC	18,010	$280.8K
Bailard, Inc.	13,400	$208.9K
Paloma Partners Management Co	13,079	$203.9K
GWM Advisors LLC	11,158	$173.9K
ExodusPoint Capital Management, LP	11,065	$173.0K
Millington Financial Advisors, LLC	10,176	$158.6K
Point72 (DIFC) Ltd	6,486	$101.1K
nVerses Capital, LLC	2,600	$40.5K
Manchester Capital Management LLC	2,038	$31.8K
Capital Performance Advisors LLP	331	$5.16K
Allspring Global Investments Holdings, LLC	235	$3.66K
Creative Financial Designs Inc	102	$1.59K

Not filed for Q4 2024 yet (1)

Institutions that held Old Second Bancorp Inc at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OSBC in Q3 2024 that haven't filed for Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Raymond James & Associates	26,062	$406.3K