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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.

13F holders, Q4 2024

Institutional positions in Old Second Bancorp Inc as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
180
+6 vs. Q3 2024
Shares held
32.3M
+546.7K (+1.7%) vs. Q3 2024
Total value
$573.9M
+$79.3M (+16.0%) vs. Q3 2024
New holders
27
76 more added
Sold out
21
44 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OSBC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2024: 180 institutions
Q1 2021: 101 institutionsQ2 2021: 115 institutionsQ3 2021: 113 institutionsQ4 2021: 129 institutionsQ1 2022: 136 institutionsQ2 2022: 135 institutionsQ3 2022: 133 institutionsQ4 2022: 145 institutionsQ1 2023: 155 institutionsQ2 2023: 134 institutionsQ3 2023: 145 institutionsQ4 2023: 160 institutionsQ1 2024: 151 institutionsQ2 2024: 153 institutionsQ3 2024: 175 institutionsQ4 2024: 180 institutionsQ1 2025: 192 institutionsQ2 2025: 183 institutionsQ3 2025: 197 institutionsQ4 2025: 185 institutionsQ1 2026: 188 institutionsQ2 2026: 184 institutions
Value heldQ4 2024: $573.9M
Q1 2021: $271.1MQ2 2021: $253.5MQ3 2021: $266.1MQ4 2021: $281.7MQ1 2022: $403.8MQ2 2022: $395.2MQ3 2022: $384.5MQ4 2022: $471.2MQ1 2023: $415.0MQ2 2023: $385.5MQ3 2023: $406.8MQ4 2023: $470.4MQ1 2024: $415.0MQ2 2024: $457.4MQ3 2024: $495.0MQ4 2024: $573.9MQ1 2025: $546.2MQ2 2025: $579.1MQ3 2025: $624.4MQ4 2025: $723.9MQ1 2026: $761.2MQ2 2026: $903.3M
Institutions holding OSBC and their total value by quarter
QuarterHoldersValue
Q2 2026184$903.3M
Q1 2026188$761.2M
Q4 2025185$723.9M
Q3 2025197$624.4M
Q2 2025183$579.1M
Q1 2025192$546.2M
Q4 2024180$573.9M
Q3 2024175$495.0M
Q2 2024153$457.4M
Q1 2024151$415.0M
Q4 2023160$470.4M
Q3 2023145$406.8M
Q2 2023134$385.5M
Q1 2023155$415.0M
Q4 2022145$471.2M
Q3 2022133$384.5M
Q2 2022135$395.2M
Q1 2022136$403.8M
Q4 2021129$281.7M
Q3 2021113$266.1M
Q2 2021115$253.5M
Q1 2021101$271.1M

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q3 2024.

Institutions holding OSBC in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,537,457$62.9M0.00%−142,662−3.9%Reduced
Vanguard Group Inc2,637,718$46.9M0.00%+181,783+7.4%Added
Dimensional Fund Advisors LP2,019,433$35.9M0.01%+134,455+7.1%Added
FJ Capital Management LLC1,795,612$31.9M3.70%−75,376−4.0%Reduced
Banc Funds Co LLC1,616,078$28.7M3.17%−138,210−7.9%Reduced
State Street Corp1,448,861$25.8M0.00%+184,502+14.6%Added
Davis Asset Management, L.P.1,100,000$19.6M0.80%+1,631+0.1%Added
JPMorgan Chase & Co1,069,390$19.0M0.00%−32,244−2.9%Reduced
American Century Companies Inc1,038,495$18.5M0.01%+98,617+10.5%Added
Geode Capital Management, LLC1,034,709$18.4M0.00%+5,224+0.5%Added
Manufacturers Life Insurance Company, The946,938$16.8M0.01%−16,223−1.7%Reduced
Goldman Sachs Group Inc848,067$15.1M0.00%+9,848+1.2%Added
Alliancebernstein L.P.798,112$14.2M0.00%00.0%Unchanged
Kennedy Capital Management, Inc.754,393$13.4M0.30%−14,109−1.8%Reduced
Northern Trust Corp447,145$7.95M0.00%−15,767−3.4%Reduced
Stieven Capital Advisors, L.P.410,808$7.30M1.30%+25,400+6.6%Added
AQR Capital Management LLC404,975$7.20M0.01%+85,529+26.8%Added
Morgan Stanley395,436$7.03M0.00%+30,683+8.4%Added
Bridgeway Capital Management, LLC372,120$6.62M0.15%+124,336+50.2%Added
Charles Schwab Investment Management Inc366,480$6.52M0.00%+8,134+2.3%Added
Assenagon Asset Management S.A.364,673$6.48M0.01%−78,854−17.8%Reduced
Bank of New York Mellon Corp358,688$6.38M0.00%−3,156−0.9%Reduced
Boothbay Fund Management, LLC342,206$6.08M0.19%+342,206New
Wellington Management Group LLP336,637$5.99M0.00%+14,100+4.4%Added
Gator Capital Management, LLC334,250$5.94M2.24%−450−0.1%Reduced
Jacobs Asset Management, LLC321,155$5.71M3.65%+8,655+2.8%Added
Millennium Management LLC308,223$5.48M0.00%+252,430+452.4%Added
Nuveen Asset Management, LLC281,572$5.01M0.00%+183,869+188.2%Added
Forum Financial Management, LP243,837$4.34M0.07%−990,376−80.2%Reduced
Bank of America Corp236,062$4.20M0.00%+72,398+44.2%Added
Citadel Advisors LLC208,729$3.71M0.00%+194,487+1,365.6%Added
River Street Advisors LLC189,149$3.36M1.72%+189,149New
Qube Research & Technologies Ltd175,684$3.12M0.01%+497+0.3%Added
Arrowstreet Capital, Limited Partnership168,934$3.00M0.00%+40,542+31.6%Added
Siena Capital Partners GP, LLC163,038$2.90M0.80%00.0%Unchanged
Knights of Columbus Asset Advisors LLC162,355$2.89M0.19%+323+0.2%Added
Two Sigma Investments, LP148,343$2.64M0.01%−18,843−11.3%Reduced
Elizabeth Park Capital Advisors, Ltd.140,894$2.51M2.04%00.0%Unchanged
State of New Jersey Common Pension Fund D127,701$2.27M0.01%−5,335−4.0%Reduced
Ameriprise Financial Inc126,715$2.25M0.00%−50,315−28.4%Reduced
Barclays PLC126,644$2.25M0.00%+10,062+8.6%Added
Russell Investments Group, Ltd.126,424$2.25M0.00%−460.0%Reduced
EJF Capital LLC122,770$2.18M1.50%+2,468+2.1%Added
Empowered Funds, LLC121,017$2.15M0.03%+5,836+5.1%Added
Thrivent Financial for Lutherans116,751$2.08M0.00%+28,451+32.2%Added
Great Lakes Advisors, LLC113,593$2.02M0.02%00.0%Unchanged
Trexquant Investment LP108,623$1.93M0.02%+15,435+16.6%Added
Fisher Asset Management, LLC108,023$1.92M0.00%00.0%Unchanged
Renaissance Technologies LLC106,225$1.89M0.00%−48,400−31.3%Reduced
Brandywine Global Investment Management, LLC105,530$1.88M0.01%−5,004−4.5%Reduced
Mendon Capital Advisors Corp100,000$1.78M1.00%00.0%Unchanged
RMB Capital Management, LLC100,000$1.78M0.04%00.0%Unchanged
PMC FIG Opportunities LLC98,618$1.75M4.44%+98,618New
Two Sigma Advisers, LP88,600$1.58M0.00%−15,500−14.9%Reduced
Fairhaven Wealth Management, LLC87,900$1.56M0.49%00.0%Unchanged
MSH Capital Advisors LLC84,826$1.51M0.47%00.0%Unchanged
Swiss National Bank83,200$1.48M0.00%00.0%Unchanged
Invesco Ltd.77,897$1.39M0.00%+1,348+1.8%Added
Gsa Capital Partners LLP74,500$1.32M0.10%−51,331−40.8%Reduced
Persistent Asset Partners Ltd68,343$1.28M1.10%+68,343New
Rhumbline Advisers71,545$1.27M0.00%+2,099+3.0%Added
Adage Capital Partners GP, L.L.C.69,987$1.24M0.00%+69,987New
Citigroup Inc69,119$1.23M0.00%+7,623+12.4%Added
UBS Asset Management Americas Inc67,039$1.19M0.00%−11,829−15.0%Reduced
Wealth Enhancement Advisory Services, LLC61,748$1.10M0.00%+5,404+9.6%Added
State Board of Administration of Florida Retirement System58,816$1.05M0.00%−7,098−10.8%Reduced
Teacher Retirement System of Texas55,209$982.0K0.00%+9,210+20.0%Added
Hunter Perkins Capital Management, LLC55,050$979.0K0.21%+2,095+4.0%Added
PDT Partners, LLC54,135$962.5K0.09%+54,135New
Rafferty Asset Management, LLC52,890$940.4K0.00%−830−1.5%Reduced
Legal & General Group Plc51,584$917.2K0.00%+1,839+3.7%Added
UBS Group AG51,403$913.9K0.00%+13,974+37.3%Added
Cubist Systematic Strategies, LLC48,823$868.1K0.01%+16,756+52.3%Added
BNP Paribas Arbitrage, SA48,262$858.1K0.00%+15,295+46.4%Added
HighTower Advisors, LLC47,949$852.5K0.00%00.0%Unchanged
Balyasny Asset Management LLC45,745$813.3K0.00%+45,745New
Los Angeles Capital Management LLC44,959$799.4K0.00%−9,300−17.1%Reduced
Campbell & CO Investment Adviser LLC44,626$793.5K0.06%−19,638−30.6%Reduced
HGK Asset Management Inc42,633$758.0K0.14%+6,271+17.2%Added
Tudor Investment Corp Et Al41,431$736.6K0.01%+41,431New
Deutsche Bank AG41,005$729.1K0.00%+14,113+52.5%Added
Connor, Clark & Lunn Investment Management Ltd.40,601$721.9K0.00%+22,329+122.2%Added
Black Maple Capital Management LP40,000$711.2K0.54%−6,436−13.9%Reduced
California State Teachers Retirement System39,923$709.8K0.00%−431−1.1%Reduced
Quest Partners LLC37,278$662.8K0.09%−1,037−2.7%Reduced
Janus Henderson Group PLC36,438$648.1K0.00%−799−2.1%Reduced
Creative Planning35,504$631.3K0.00%+5,397+17.9%Added
Principal Financial Group Inc35,325$628.1K0.00%+3,082+9.6%Added
SG Americas Securities, LLC33,758$600.0K0.00%+7,068+26.5%Added
Jump Financial, LLC32,223$572.9K0.01%+25+0.1%Added
LSV Asset Management31,079$553.0K0.00%+31,079New
Royal Bank of Canada29,487$524.0K0.00%+4,603+18.5%Added
Rothschild Investment LLC28,035$498.5K0.03%−45−0.2%Reduced
First Trust Advisors LP27,297$485.3K0.00%+164+0.6%Added
Wells Fargo & Company27,075$481.4K0.00%+5,570+25.9%Added
Victory Capital Management Inc26,632$473.5K0.00%+6,049+29.4%Added
MetLife Investment Management26,011$462.5K0.00%+2,071+8.7%Added
Raymond James Financial Inc25,800$458.7K0.00%+25,800New
Susquehanna International Group, LLP25,632$455.7K0.00%−48,115−65.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.24,797$440.9K0.00%+843+3.5%Added