OLD SECOND BANCORP INC (OSBC) Institutional Ownership Changes & 13F Activity
OLD SECOND BANCORP INC (OSBC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q3 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include State Street Corp, Goldman Sachs Group Inc, Fj Capital Management Llc, Kennedy Capital Management Llc, and Manufacturers Life Insurance Company, The.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Envestnet Asset Management Inc | Sell | -24,612 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 23, 2026 |
| State Street Corp | Sell | -1,839,202 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -872,651 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Sell | -4,484 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Sell | -304,021 | -100.0% | 0 | $0.00 | Q3 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Sell | -51,243 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Sell | -20,591 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 19, 2026 |
| Empowered Funds, Llc | Sell | -248,627 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 17, 2026 |
| Goldman Sachs Group Inc | Sell | -1,624,852 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Fj Capital Management Llc | Sell | -1,460,413 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Kennedy Capital Management Llc | Sell | -1,236,983 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Stieven Capital Advisors, L.P. | Sell | -815,328 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Sell | -641,845 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Sell | -544,345 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Bridgeway Capital Management, Llc | Sell | -453,323 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Sell | -431,304 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Sell | -386,234 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -372,648 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Thrivent Financial For Lutherans | Sell | -242,278 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -200,819 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -167,884 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Siena Capital Partners Gp, Llc | Sell | -163,038 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Sei Investments Co | Sell | -117,666 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -114,326 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Curi Capital, Llc | Sell | -100,505 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -87,603 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Invesco Ltd. | Sell | -77,241 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Sell | -66,312 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Exoduspoint Capital Management, Lp | Sell | -53,769 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
| Susquehanna Fundamental Investments, Llc | Sell | -50,693 | -100.0% | 0 | $0.00 | Q3 2026 | Aug 14, 2026 |
Frequently asked questions about OSBC activity
Which institutional owners are buying OSBC?
Institutional owners buying OSBC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in OSBC activity?
"Buy" means an investor increased their reported position in OSBC compared to the prior reporting period. This reflects growing exposure to OLD SECOND BANCORP INC (OSBC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in OSBC increasing?
Institutional interest in OSBC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related OSBC Institutional Insights
- OSBC Overview
- OSBC 13F Institutional Holders
- OSBC Top Institutional Shareholders
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Investors
- Most Sold Financial Services Stocks By Institutional Investors
- OSBC Insider Trading & SEC Form 4 Activity
- OSBC Articles
- Top Institutional Investor Stock Rankings