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Old Second Bancorp (OSBC) Institutional Ownership

Old Second Bancorp logo
$25.52 +0.24 (+0.95%)
As of 12:35 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Old Second Bancorp (NASDAQ:OSBC)

Current
Institutional Ownership
Percentage
67.76%
Number of
Institutional Buyers
(last 12 months)
130
Total
Institutional Inflows
(last 12 months)
$268.59M
Number of
Institutional Sellers
(last 12 months)
71
Total
Institutional Outflows
(last 12 months)
$46.84M
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OSBC Institutional Buying and Selling by Quarter

Old Second Bancorp Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/11/2026MSH Capital Advisors LLC84,826$1.98M0.3%N/A0.167%
8/10/2026Great Lakes Advisors LLC203,909$4.76M0.0%N/A0.396%
8/7/2026 BlackRock Inc.4,298,683$100.25M0.0%N/A8.358%
8/7/2026 Deutsche Bank AG51,034$1.19M0.0%N/A0.099%
8/6/2026 Bank of New York Mellon Corp342,013$7.98M0.0%N/A0.665%
8/6/2026 GSA Capital Partners LLP34,819$812K0.1%N/A0.068%
6/3/2026 Parallel Advisors LLC2,622$53K0.0%+181.3%0.005%
5/19/2026Bank of America Corp DE331,330$6.68M0.0%-3.3%0.644%
5/19/2026Janus Henderson Group PLC26,232$529K0.0%+67.8%0.051%
5/18/2026Amundi13,706$276K0.0%N/A0.027%
5/18/2026Royal Bank of Canada31,569$637K0.0%-9.4%0.061%
5/18/2026Empowered Funds LLC233,559$4.71M0.0%+6.1%0.454%
5/16/2026The Manufacturers Life Insurance Company878,670$17.71M0.0%-1.5%1.708%
5/16/2026Quantinno Capital Management LP49,879$1.01M0.0%+58.8%0.097%
5/15/2026Jacobs Asset Management LLC150,000$3.02M1.8%-46.7%0.292%
5/14/2026Renaissance Technologies LLC90,225$1.82M0.0%+4.5%0.175%
5/14/2026Arrowstreet Capital Limited Partnership141,026$2.84M0.0%-34.9%0.274%
5/14/2026Sei Investments Co.203,088$4.09M0.0%+73.5%0.395%
5/13/2026Cetera Investment Advisers11,702$236K0.0%-27.0%0.023%
5/13/2026First Trust Advisors LP18,760$378K0.0%-10.3%0.036%
5/7/2026Dimensional Fund Advisors LP2,388,862$48.16M0.0%+5.7%4.614%
5/7/2026 Parallel Advisors LLC2,622$53K0.0%+181.3%0.005%
5/7/2026 Sentinel Trust Co. LBA14,051$283K0.0%-25.5%0.027%
5/6/2026 Bartlett & CO. Wealth Management LLC6,299$130K0.0%-48.6%0.012%
5/5/2026 Bank of New York Mellon Corp337,264$6.80M0.0%-2.0%0.651%
5/4/2026 Principal Financial Group Inc.75,090$1.51M0.0%+50.8%0.145%
4/30/2026Hsbc Holdings PLC85,183$1.72M0.0%+6.3%0.165%
4/28/2026 Hudson Edge Investment Partners Inc.32,082$647K0.1%-44.9%0.062%
4/27/2026 Y Intercept Hong Kong Ltd52,576$1.06M0.0%N/A0.102%
4/23/2026 Forum Financial Management LP205,661$4.15M0.1%-1.5%0.397%
4/22/2026 Sterling Capital Management LLC1,671$34K0.0%-93.2%0.003%
4/22/2026 River Street Advisors LLC746,660$15.05M5.1%+104.0%1.442%
4/20/2026 Assenagon Asset Management S.A.17,860$360K0.0%N/A0.034%
4/17/2026 Sara Bay Financial94,063$1.90M0.6%-5.0%0.182%
4/16/2026 SG Americas Securities LLC11,371$229K0.0%-49.5%0.022%
3/17/2026Rockefeller Capital Management L.P.1,396$27K0.0%N/A0.003%
3/9/2026 EMC Capital Management7,170$140K0.1%-15.0%0.014%
3/6/2026Hsbc Holdings PLC80,105$1.56M0.0%+135.2%0.152%
2/19/2026Invesco Ltd.80,545$1.57M0.0%+4.6%0.153%
2/18/2026Mercer Global Advisors Inc. ADV14,445$282K0.0%+11.8%0.027%
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2/18/2026Empowered Funds LLC220,121$4.29M0.0%+10.9%0.418%
2/18/2026Wellington Management Group LLP969,708$18.91M0.0%+521.2%1.841%
2/18/2026Millennium Management LLC313,560$6.11M0.0%N/A0.595%
2/18/2026Bridgeway Capital Management LLC427,617$8.34M0.2%-15.3%0.812%
2/17/2026AQR Capital Management LLC447,118$8.72M0.0%-13.7%0.849%
2/17/2026Price T Rowe Associates Inc. MD34,262$669K0.0%+6.3%0.065%
2/17/2026Osaic Holdings Inc.27,984$546K0.0%+6.9%0.053%
2/17/2026Adage Capital Partners GP L.L.C.243,192$4.74M0.0%N/A0.462%
2/17/2026California State Teachers Retirement System47,172$920K0.0%+19.7%0.090%
2/17/2026 Russell Investments Group Ltd.112,121$2.19M0.0%+0.8%0.213%
2/17/2026State of Wisconsin Investment Board16,141$315K0.0%N/A0.031%
2/17/2026Captrust Financial Advisors18,444$360K0.0%N/A0.035%
2/17/2026Royal Bank of Canada34,831$679K0.0%+7.5%0.066%
2/16/2026Squarepoint Ops LLC48,472$945K0.0%+368.1%0.092%
2/16/2026Verition Fund Management LLC24,375$475K0.0%+16.2%0.046%
2/16/2026Mariner LLC21,001$410K0.0%+28.2%0.040%
2/16/2026FJ Capital Management LLC1,829,665$35.68M4.0%-4.7%3.474%
2/16/2026Jacobs Asset Management LLC281,477$5.49M3.1%-41.1%0.534%
2/16/2026Kennedy Capital Management LLC1,267,042$24.71M0.5%+15.9%2.406%
2/16/2026Arax Advisory Partners1,309$26K0.0%-94.3%0.002%
2/16/2026Barclays PLC143,188$2.79M0.0%+22.8%0.272%
2/13/2026Parkside Financial Bank & Trust2,291$45K0.0%N/A0.004%
2/13/2026The Manufacturers Life Insurance Company 891,878$17.39M0.0%-2.7%1.693%
2/13/2026Rafferty Asset Management LLC43,049$839K0.0%+17.1%0.082%
2/13/2026First Trust Advisors LP20,911$408K0.0%-28.3%0.040%
2/13/2026 Police & Firemen s Retirement System of New Jersey14,232$278K0.0%+18.7%0.027%
2/13/2026 State Street Corp1,539,419$30.02M0.0%+12.6%2.923%
2/13/2026Ieq Capital LLC57,265$1.12M0.0%+7.5%0.109%
2/13/2026 Boston Partners817,311$15.99M0.0%N/A1.552%
2/13/2026Martingale Asset Management L P110,468$2.15M0.1%-18.3%0.210%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC64,739$1.26M0.0%+24.4%0.123%
2/13/2026Wells Fargo & Company MN56,544$1.10M0.0%+46.2%0.107%
2/13/2026Davis Asset Management L.P.1,745,523$34.04M1.2%+16.4%3.314%
2/13/2026Gator Capital Management LLC337,995$6.59M1.3%+0.8%0.642%
2/13/2026Quadrant Capital Group LLC2,523$49K0.0%+32.7%0.005%
2/12/2026DRW Securities LLC11,349$221K0.0%N/A0.022%
2/12/2026MetLife Investment Management LLC28,348$553K0.0%-4.1%0.054%
2/12/2026Banc Funds Co. LLC905,190$17.65M3.5%-10.1%1.719%
2/12/2026Renaissance Technologies LLC86,325$1.68M0.0%+75.7%0.164%
2/12/2026Dimensional Fund Advisors LP2,260,874$44.09M0.0%+2.5%4.293%
2/12/2026Sfam LLC5,827$114K0.1%N/A0.011%
2/12/2026 New York State Common Retirement Fund14,366$280K0.0%+25.3%0.027%
2/12/2026 Campbell & CO Investment Adviser LLC10,996$214K0.0%N/A0.021%
2/12/2026Bank of Montreal Can139,252$2.72M0.0%-22.4%0.264%
2/12/2026Swiss National Bank98,700$1.93M0.0%+20.8%0.187%
2/12/2026Nuveen LLC415,470$8.10M0.0%+0.2%0.789%
2/11/2026Empowered Funds LLC220,121$4.29M0.0%+10.9%0.418%
2/11/2026 Deutsche Bank AG41,187$803K0.0%+8.9%0.078%
2/11/2026Cerity Partners LLC11,115$217K0.0%N/A0.021%
2/11/2026Brandywine Global Investment Management LLC90,620$1.77M0.0%-3.6%0.172%
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2/11/2026CenterBook Partners LP29,888$583K0.0%-34.7%0.057%
2/11/2026JPMorgan Chase & Co.858,806$16.75M0.0%+10.1%1.631%
2/11/2026Los Angeles Capital Management LLC28,606$519K0.0%+1.8%0.054%
2/10/2026Goldman Sachs Group Inc.1,263,223$24.63M0.0%-19.0%2.398%
2/10/2026Intech Investment Management LLC17,879$349K0.0%-10.8%0.034%
2/9/2026Geode Capital Management LLC1,365,448$26.63M0.0%+0.2%2.592%
2/9/2026 Knights of Columbus Asset Advisors LLC132,945$2.59M0.1%-2.6%0.252%
2/9/2026Harbour Investments Inc.1,347$26K0.0%N/A0.003%
2/9/2026 Fisher Asset Management LLC97,285$1.90M0.0%-5.1%0.185%
2/9/2026 Clearstead Advisors LLC2,431$47K0.0%+793.8%0.005%


OSBC Institutional Ownership - Frequently Asked Questions

During the previous two years, 203 institutional investors and hedge funds held shares of Old Second Bancorp. The most heavily invested institutionals were BlackRock Inc. ($100.25M), Vanguard Group Inc. ($63.93M), Dimensional Fund Advisors LP ($48.16M), FJ Capital Management LLC ($35.68M), Davis Asset Management L.P. ($34.04M), State Street Corp ($30.02M), and Geode Capital Management LLC ($26.63M).Learn more on Old Second Bancorp's institutional investors.

67.76% of Old Second Bancorp's stock is owned by institutional investors. Learn more on OSBC's institutional investor holdings.

Of the 176 institutional investors that purchased Old Second Bancorp's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($4.30M), Davis Asset Management L.P. ($1.11M), River Street Advisors LLC ($1.06M), Wellington Management Group LLP ($841.80K), Boston Partners ($817.31K), Vanguard Group Inc. ($817.02K), and Kennedy Capital Management LLC ($751.35K).

Institutional investors have bought a total of 13,184,661 shares in the last 24 months. This purchase volume represents approximately $268.59M in transactions.

Of the 71 institutional investors that sold Old Second Bancorp's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Jacobs Asset Management LLC ($328.22K), Goldman Sachs Group Inc. ($295.48K), Banc Funds Co. LLC ($252.19K), JPMorgan Chase & Co. ($241.76K), AQR Capital Management LLC ($91.00K), FJ Capital Management LLC ($90.27K), and Bridgeway Capital Management LLC ($77.33K).

Institutional investors have sold a total of 2,502,186 shares in the last 24 months. This volume of shares sold represents approximately $46.84M in transactions.


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Institutional ownership data for NASDAQ:OSBC is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/11/2026. New 13F filings are added each quarter as they're published.
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