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.
Q2 2025 vs. Q1 2025
How the institutions holding Old Second Bancorp Inc changed between Q1 2025 and Q2 2025.
All holders in Q2 2025All holders in Q1 2025
| Measure | Q1 2025 | Q2 2025 | Change |
|---|---|---|---|
| Holders | 192 | 183 | −9 |
| Shares | 32.8M | 32.6M | −192.2K (−0.6%) |
| Value | $546.2M | $579.1M | +$32.9M (+6.0%) |
New holders (15)
Institutions that held Old Second Bancorp Inc at the end of Q2 2025 but not at the end of Q1 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Versor Investments LP | 56,124 | $995.6K | 0.18% |
| Panagora Asset Management Inc | 55,922 | $992.1K | 0.00% |
| Fourthstone LLC | 46,000 | $816.0K | 0.16% |
| Skylands Capital, LLC | 24,100 | $427.5K | 0.06% |
| Jackson Creek Investment Advisors LLC | 23,464 | $416.0K | 0.11% |
| Mach-1 Financial Group, Inc. | 18,953 | $336.2K | 0.10% |
| Quantinno Capital Management LP | 15,664 | $277.9K | 0.00% |
| Hohimer Wealth Management, LLC | 14,350 | $254.6K | 0.05% |
| Corton Capital Inc. | 13,659 | $242.3K | 0.28% |
| EntryPoint Capital, LLC | 13,539 | $240.2K | 0.12% |
| Mariner, LLC | 11,780 | $209.0K | 0.00% |
| EMC Capital Management | 8,435 | $150.0K | 0.08% |
| Lazard Asset Management LLC | 7,082 | $125.0K | 0.00% |
| Essential Partners LLC | 612 | $10.9K | 0.00% |
| Clearstead Advisors, LLC | 248 | $4.40K | 0.00% |
Sold out (24)
Institutions that held Old Second Bancorp Inc at the end of Q1 2025 and filed for Q2 2025 without it.
| Institution | Shares, Q1 2025 | Value, Q1 2025 |
|---|---|---|
| River Street Advisors LLC | 292,611 | $4.87M |
| Adage Capital Partners GP, L.L.C. | 100,000 | $1.66M |
| Trexquant Investment LP | 74,368 | $1.24M |
| Dynamic Technology Lab Private Ltd | 40,141 | $668.0K |
| PDT Partners, LLC | 35,336 | $588.0K |
| Corebridge Financial, Inc. | 21,346 | $355.2K |
| PharVision Advisers, LLC | 18,234 | $303.4K |
| Teza Capital Management LLC | 17,776 | $295.8K |
| XTX Topco Ltd | 15,541 | $258.6K |
| Mesirow Financial Investment Management, Inc. | 16,412 | $239.1K |
| Marshall Wace, LLP | 11,600 | $193.0K |
| Tudor Investment Corp Et Al | 11,200 | $186.4K |
| Occudo Quantitative Strategies LP | 10,002 | $166.9K |
| Engineers Gate Manager LP | 10,001 | $166.4K |
| Point72 (DIFC) Ltd | 3,396 | $56.5K |
| Quadrant Capital Group LLC | 1,923 | $32.0K |
| Picton Mahoney Asset Management | 1,420 | $24.0K |
| Mowery & Schoenfeld Wealth Management, LLC | 400 | $6.66K |
| Hexagon Capital Partners LLC | 47 | $782 |
| UMA Financial Services, Inc. | 45 | $749 |
| Parkside Financial Bank & Trust | 30 | $500 |
| Stephens Consulting, LLC | 25 | $416 |
| Smartleaf Asset Management LLC | 20 | $333 |
| Massmutual Trust Co FSB | 19 | $316 |