OLD SECOND BANCORP INC OSBC
$23.23
-1.7% 52w: $16.38 – $23.62
Latest 13F among current holders filed 19 days ago (Jun 16, 2026)
Price — last 12 months
research preview data16.3820.0023.62
Jun 20, 2025 Jul 2, 2026
Institutional holders
188
+3 QoQ
13F value
$761.2M
+4.8% QoQ
Smart-money holders
10
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
calls only
$488K calls / — puts
Institutional value by quarter
Number of holders
Who owns OSBC?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 4.1M | $83.2M | 0.0% | -0.7% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 2.4M | $48.2M | 0.0% | +5.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.3M | $45.4M | 0.0% | — |
| Davis Asset Management, L.P. ★3 | Fundamental concentrated | 1.8M | $36.3M | 1.1% | +3.1% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.7M | $34.1M | 0.0% | +33.9% |
| STATE STREET CORP | Index provider | 1.6M | $32.2M | 0.0% | +3.9% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 1.6M | $32.1M | 0.0% | +8.2% |
| FJ Capital Management LLC | Quant stat arb | 1.5M | $30.3M | 3.4% | -17.7% |
| Boston Partners | Other | 1.4M | $29.3M | 0.0% | +76.7% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.3M | $25.9M | 0.0% | -6.1% |
| KENNEDY CAPITAL MANAGEMENT LLC | Other | 1.3M | $25.6M | 0.5% | +0.1% |
| BANC FUNDS CO LLC | Other | 1.0M | $20.7M | 3.9% | +13.7% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Diversified mechanical | 878.7K | $17.7M | 0.0% | -1.5% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 857.8K | $17.3M | 0.0% | -11.5% |
| Stieven Capital Advisors, L.P. ★2 | Fundamental diversified | 773.5K | $15.6M | 3.3% | -0.3% |
| NORTHERN TRUST CORP | Index provider | 764.3K | $15.4M | 0.0% | -13.3% |
| River Street Advisors LLC | Other | 746.7K | $15.1M | 5.1% | +104.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 712.4K | $14.4M | 0.0% | — |
| JPMORGAN CHASE & CO | Bank broker | 701.0K | $13.9M | 0.0% | -18.4% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 690.8K | $13.5M | 0.0% | +0.7% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 438.3K | $8.8M | 0.2% | +2.5% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 430.9K | $8.7M | 0.0% | -1.5% |
| Nuveen, LLC | Diversified mechanical | 419.6K | $8.5M | 0.0% | +1.0% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 392.0K | $7.9M | 0.0% | -12.3% |
| Gator Capital Management, LLC ★2 | Fundamental diversified | 351.5K | $7.1M | 1.5% | +4.0% |
| Bank of New York Mellon Corp | Diversified mechanical | 337.3K | $6.8M | 0.0% | -2.0% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 335.5K | $6.8M | 0.0% | — |
| BANK OF AMERICA CORP /DE/ | Bank broker | 331.3K | $6.7M | 0.0% | -3.3% |
| MORGAN STANLEY | Bank broker | 278.4K | $5.6M | 0.0% | -3.4% |
| UBS Group AG | Bank broker | 259.3K | $5.2M | 0.0% | +46.4% |
| Empowered Funds, LLC | Diversified mechanical | 233.6K | $4.7M | 0.0% | New |
| Forum Financial Management, LP | Wealth advisor | 205.7K | $4.1M | 0.1% | -1.5% |
| SEI INVESTMENTS CO | Diversified mechanical | 203.1K | $4.1M | 0.0% | +73.5% |
| GREAT LAKES ADVISORS, LLC | Other | 198.0K | $4.0M | 0.0% | +18.3% |
| Squarepoint Ops LLC | Quant stat arb | 170.7K | $3.4M | 0.0% | +252.1% |
| Elizabeth Park Capital Advisors, Ltd. ★2 | Fundamental diversified | 166.5K | $3.4M | 2.6% | +4.9% |
| Siena Capital Partners GP, LLC | Other | 163.0K | $3.3M | 0.9% | Held |
| BLAIR WILLIAM & CO/IL | Diversified mechanical | 162.9K | $3.3M | 0.0% | +5.6% |
| EJF Capital LP | Other | 151.2K | $3.0M | 2.1% | +1.4% |
| JACOBS ASSET MANAGEMENT, LLC ★3 | Fundamental concentrated | 150.0K | $3.0M | 1.8% | -46.7% |
| Thrivent Financial for Lutherans | Diversified mechanical | 143.1K | $2.9M | 0.0% | Held |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 141.0K | $2.8M | 0.0% | -34.9% |
| VICTORY CAPITAL MANAGEMENT INC | Diversified mechanical | 139.1K | $2.8M | 0.0% | -10.1% |
| Knights of Columbus Asset Advisors LLC | Other | 131.4K | $2.6M | 0.1% | -1.1% |
| State of New Jersey Common Pension Fund D | Diversified mechanical | 129.4K | $2.6M | 0.0% | Held |
| BANK OF MONTREAL /CAN/ | Bank broker | 118.5K | $2.4M | 0.0% | -14.9% |
| Russell Investments Group, Ltd. | Diversified mechanical | 111.9K | $2.3M | 0.0% | -0.2% |
| Curi Capital, LLC | Other | 100.5K | $2.0M | 0.0% | Held |
| MENDON CAPITAL ADVISORS CORP ★3 | Fundamental concentrated | 100.0K | $2.0M | 0.8% | Held |
| Swiss National Bank | Index provider | 98.7K | $2.0M | 0.0% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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