Old Second Bancorp Ownership | Who Owns Old Second Bancorp?
Old Second Bancorp Ownership Summary
Old Second Bancorp is owned by 72.16% institutional investors, 4.73% insiders, and 23.11% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.79% of OSBC shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.04% of its assets in Old Second Bancorp shares.
OSBC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Old Second Bancorp | 72.16% | 4.73% | 23.11% |
| Sector | Financial Services Stocks | 51.64% | 15.54% | 32.82% |
| Industry | Regional Banks Stocks | 53.95% | 12.38% | 33.68% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 3.50M | 7.79% | $62.12M |
| Blackrock | 3.44M | 7.68% | $50.90M |
| Vanguard group | 2.64M | 5.88% | $46.90M |
| Dimensional fund advisors lp | 2.02M | 4.50% | $35.91M |
| Fj capital management | 1.84M | 4.09% | $32.59M |
| Davis asset management | 1.38M | 3.08% | $24.56M |
| American century companies | 1.23M | 2.73% | $21.78M |
| State street | 1.19M | 2.65% | $17.58M |
| Banc funds | 1.16M | 2.57% | $20.53M |
| Jpmorgan chase | 1.07M | 2.38% | $19.01M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Jacobs asset management | 462.50K | 4.68% | $8.20M |
| Fj capital management | 1.84M | 3.46% | $32.59M |
| Banc funds | 1.16M | 3.10% | $20.53M |
| Stieven capital advisors | 717.03K | 2.48% | $12.72M |
| Elizabeth park capital advisors | 151.30K | 2.41% | $2.68M |
| Ejf capital | 143.29K | 2.02% | $2.54M |
| Gator capital management | 332.95K | 1.83% | $5.91M |
| Davis asset management | 1.38M | 0.96% | $24.56M |
| Mendon capital advisors | 100.00K | 0.86% | $1.77M |
| Siena capital partners gp | 163.04K | 0.80% | $2.90M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Kennedy capital management | 996.99K | 0.42% | 481.30K |
| Davis asset management | 1.38M | 0.96% | 284.50K |
| Millennium management | 308.22K | 0.00% | 252.43K |
| Nuveen asset management | 281.57K | 0.00% | 183.87K |
| Vanguard group | 2.64M | 0.00% | 181.78K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Boothbay fund management | - | - | -342.21K |
| River street advisors | - | - | -292.61K |
| Aptus capital advisors | - | - | -286.89K |
| Assenagon asset management | 15.28K | 0.00% | -164.30K |
| Banc funds | 1.16M | 3.10% | -127.20K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Versor investments lp | 56.12K | 0.18% | 56.12K | $995.64K |
| Skylands capital | 24.10K | 0.06% | 24.10K | $427.53K |
| Jackson creek investment advisors | 23.46K | 0.11% | 23.46K | $416.00K |
| Mach-1 financial group | 18.95K | 0.10% | 18.95K | $336.23K |
| Corton capital | 13.66K | 0.28% | 13.66K | $242.31K |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Nelson, van denburg & campbell wealth management group | -9.00 |
| Massmutual trust co fsb/adv | -19.00 |
| Smartleaf asset management | -20.00 |
| Stephens consulting | -25.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 181 | -5.73% | 32,449,598 | -1.08% | 72 | 1.36% | 87 | 6.10% | 66 | -7.04% |
| Mar 31, 2025 | 192 | 6.67% | 32,815,678 | 1.68% | 72 | 1.41% | 83 | -18.63% | 71 | 65.12% |
| Dec 31, 2024 | 74 | -57.71% | 11,733,217 | -62.96% | 26 | 0.52% | 38 | -61.22% | 15 | -69.39% |
| Sep 30, 2024 | 175 | 13.64% | 31,673,483 | 3.14% | 70 | 1.51% | 98 | 15.29% | 49 | 16.67% |
| Jun 30, 2024 | 153 | - | 30,709,365 | 2.63% | 68 | 1.54% | 84 | 16.67% | 42 | -22.22% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 1.37M | 3.04% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.34M | 2.98% | -29.79K |
| iShares Russell 2000 ETF | 1.04M | 2.31% | -19.74K |
| Avantis US Small Cap Value ETF | 1.03M | 2.29% | 1.31K |
| Vanguard Institutional Extnd Mkt Idx Tr | 484.39K | 1.08% | -211.62K |
| JHancock Regional Bank A | 468.90K | 1.04% | -4.14K |
| Fidelity Small Cap Index | 436.54K | 0.97% | 5.32K |
| Kennedy Small Cap Value | 434.29K | 0.96% | 434.29K |
| iShares Russell 2000 Value ETF | 379.34K | 0.84% | 281.00 |
| Goldman Sachs Small Cap Value A | 377.90K | 0.84% | 56.89K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 04, 2025 | Lyons Billy J Jr. | - | Buy | $415.25 |
| Feb 10, 2025 | Lyons Billy J Jr. | - | Buy | $418.44 |
| Dec 23, 2024 | Temple Rocks Patti | - | Buy | $100.07K |
| Nov 06, 2024 | Ladowicz John | - | Sell | $253.70K |
| Nov 04, 2024 | Lyons Billy J Jr. | - | Buy | $419.90 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | 1 | - |
| 2025 Q2 | - | - |
| 2025 Q1 | 1 | - |
| 2024 Q4 | 2 | 1 |
| 2024 Q3 | 1 | 1 |
OSBC Ownership FAQ
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