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Old Second Bancorp Inc

OSBC
Exchange
Nasdaq
Industry
State Commercial Banks
SEC CIK
0000357173

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.

Q1 2025 vs. Q4 2024

How the institutions holding Old Second Bancorp Inc changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of OSBC: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders1803192+15
Shares32.3M372.5K32.8M+929.6K (+2.9%)
Value$573.9M$6.61M$546.2M−$21.1M (−3.7%)

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 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 Q1 2025 but not at the end of Q4 2024.

Institutions new to OSBC in Q1 2025
InstitutionSharesValue% of portfolio
Nuveen, LLC336,126$5.59M0.00%
Martingale Asset Management L P103,359$1.72M0.04%
Jane Street Group, LLC82,817$1.38M0.00%
ExodusPoint Capital Management, LP45,323$754.0K0.01%
Bailard, Inc.42,200$702.2K0.02%
Dynamic Technology Lab Private Ltd40,141$668.0K0.10%
Y-Intercept (Hong Kong) Ltd33,537$558.1K0.04%
Franklin Resources Inc28,116$467.9K0.00%
SEI Investments Co23,044$383.4K0.00%
D. E. Shaw & Co., Inc.20,247$336.9K0.00%
Jupiter Asset Management Ltd17,742$295.2K0.00%
Man Group plc16,483$274.3K0.00%
Cobblestone Capital Advisors LLC14,034$233.5K0.01%
Universal- Beteiligungs- und Servicegesellschaft mbH12,107$201.5K0.00%
Dakota Wealth Management12,026$200.1K0.00%
Marshall Wace, LLP11,600$193.0K0.00%
Avantax Advisory Services, Inc.11,569$192.5K0.00%
J.W. Cole Advisors, Inc.10,473$174.3K0.01%
Occudo Quantitative Strategies LP10,002$166.9K0.02%
Point72 (DIFC) Ltd3,396$56.5K0.01%
True Wealth Design, LLC68$1.13K0.00%
Parkside Financial Bank & Trust30$5000.00%
Stephens Consulting, LLC25$4160.00%
Hallmark Capital Management Inc1$120.00%

Sold out (9)

Institutions that held Old Second Bancorp Inc at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of OSBC in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Boothbay Fund Management, LLC342,206$6.08M
PMC FIG Opportunities LLC98,618$1.75M
Persistent Asset Partners Ltd68,343$1.28M
Campbell & CO Investment Adviser LLC44,626$793.5K
Squarepoint Ops LLC22,703$403.7K
Savant Capital, LLC19,833$352.6K
ProShare Advisors LLC12,271$218.2K
Northwestern Mutual Wealth Management Co300$5.33K
Bessemer Group Inc80$1.00K

Not filed for Q1 2025 yet (3)

Institutions that held Old Second Bancorp Inc at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OSBC in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC281,572$5.01M
Fairhaven Wealth Management, LLC87,900$1.56M
Criterion Capital Advisors, LLC2,984$44.2K