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.
13F holders, Q1 2025
Institutional positions in Old Second Bancorp Inc as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 192
- +15 vs. Q4 2024
- Shares held
- 32.8M
- +929.6K (+2.9%) vs. Q4 2024
- Total value
- $546.2M
- −$21.1M (−3.7%) vs. Q4 2024
- New holders
- 24
- 58 more added
- Sold out
- 9
- 71 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OSBC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 184 | $903.3M |
| Q1 2026 | 188 | $761.2M |
| Q4 2025 | 185 | $723.9M |
| Q3 2025 | 197 | $624.4M |
| Q2 2025 | 183 | $579.1M |
| Q1 2025 | 192 | $546.2M |
| Q4 2024 | 180 | $573.9M |
| Q3 2024 | 175 | $495.0M |
| Q2 2024 | 153 | $457.4M |
| Q1 2024 | 151 | $415.0M |
| Q4 2023 | 160 | $470.4M |
| Q3 2023 | 145 | $406.8M |
| Q2 2023 | 134 | $385.5M |
| Q1 2023 | 155 | $415.0M |
| Q4 2022 | 145 | $471.2M |
| Q3 2022 | 133 | $384.5M |
| Q2 2022 | 135 | $395.2M |
| Q1 2022 | 136 | $403.8M |
| Q4 2021 | 129 | $281.7M |
| Q3 2021 | 113 | $266.1M |
| Q2 2021 | 115 | $253.5M |
| Q1 2021 | 101 | $271.1M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 30,200 | $502.5K | 0.01% | +10,955+56.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 33,537 | $558.1K | 0.04% | +33,537 | New |
| PDT Partners, LLC | 35,336 | $588.0K | 0.04% | −18,799−34.7% | Reduced |
| Advisor Group Holdings, Inc. | 35,892 | $597.3K | 0.00% | +18,295+104.0% | Added |
| Verition Fund Management LLC | 36,150 | $601.5K | 0.00% | +13,930+62.7% | Added |
| Creative Planning | 36,219 | $602.7K | 0.00% | +715+2.0% | Added |
| Principal Financial Group Inc | 36,434 | $606.3K | 0.00% | +1,109+3.1% | Added |
| Gsa Capital Partners LLP | 36,953 | $615.0K | 0.06% | −37,547−50.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 37,151 | $618.2K | 0.00% | −3,450−8.5% | Reduced |
| Deutsche Bank AG | 37,241 | $619.7K | 0.00% | −3,764−9.2% | Reduced |
| Rafferty Asset Management, LLC | 37,828 | $629.5K | 0.00% | −15,062−28.5% | Reduced |
| Los Angeles Capital Management LLC | 39,389 | $655.4K | 0.00% | −5,570−12.4% | Reduced |
| California State Teachers Retirement System | 39,923 | $664.3K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 40,141 | $668.0K | 0.10% | +40,141 | New |
| Teacher Retirement System of Texas | 40,821 | $679.3K | 0.00% | −14,388−26.1% | Reduced |
| Bailard, Inc. | 42,200 | $702.2K | 0.02% | +42,200 | New |
| Black Maple Capital Management LP | 42,500 | $707.2K | 0.56% | +2,500+6.3% | Added |
| SG Americas Securities, LLC | 44,275 | $737.0K | 0.00% | +10,517+31.2% | Added |
| ExodusPoint Capital Management, LP | 45,323 | $754.0K | 0.01% | +45,323 | New |
| HighTower Advisors, LLC | 47,449 | $789.6K | 0.00% | −500−1.0% | Reduced |
| Legal & General Group Plc | 49,391 | $821.9K | 0.00% | −2,193−4.3% | Reduced |
| Quest Partners LLC | 49,672 | $826.5K | 0.09% | +12,394+33.2% | Added |
| UBS Group AG | 49,737 | $827.6K | 0.00% | −1,666−3.2% | Reduced |
| Hunter Perkins Capital Management, LLC | 52,100 | $867.0K | 0.20% | −2,950−5.4% | Reduced |
| BNP Paribas Arbitrage, SA | 53,907 | $897.0K | 0.00% | +5,645+11.7% | Added |
| State Board of Administration of Florida Retirement System | 58,816 | $978.7K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 58,864 | $979.5K | 0.00% | −2,884−4.7% | Reduced |
| Citigroup Inc | 59,717 | $993.7K | 0.00% | −9,402−13.6% | Reduced |
| HGK Asset Management Inc | 59,834 | $995.6K | 0.20% | +17,201+40.3% | Added |
| Balyasny Asset Management LLC | 64,496 | $1.07M | 0.00% | +18,751+41.0% | Added |
| Rhumbline Advisers | 68,282 | $1.14M | 0.00% | −3,263−4.6% | Reduced |
| Susquehanna International Group, LLP | 70,275 | $1.17M | 0.00% | +44,643+174.2% | Added |
| Trexquant Investment LP | 74,368 | $1.24M | 0.01% | −34,255−31.5% | Reduced |
| Invesco Ltd. | 75,029 | $1.25M | 0.00% | −2,868−3.7% | Reduced |
| Jane Street Group, LLC | 82,817 | $1.38M | 0.00% | +82,817 | New |
| Swiss National Bank | 83,200 | $1.38M | 0.00% | 00.0% | Unchanged |
| MSH Capital Advisors LLC | 84,826 | $1.41M | 0.44% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 85,100 | $1.42M | 0.00% | −3,500−4.0% | Reduced |
| UBS Asset Management Americas Inc | 95,290 | $1.59M | 0.00% | +28,251+42.1% | Added |
| Ameriprise Financial Inc | 95,580 | $1.59M | 0.00% | −31,135−24.6% | Reduced |
| Barclays PLC | 95,963 | $1.60M | 0.00% | −30,681−24.2% | Reduced |
| Mendon Capital Advisors Corp | 100,000 | $1.66M | 0.77% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 100,000 | $1.66M | 0.04% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 100,000 | $1.66M | 0.00% | +30,013+42.9% | Added |
| Brandywine Global Investment Management, LLC | 101,620 | $1.69M | 0.01% | −3,910−3.7% | Reduced |
| Martingale Asset Management L P | 103,359 | $1.72M | 0.04% | +103,359 | New |
| State of New Jersey Common Pension Fund D | 106,997 | $1.78M | 0.01% | −20,704−16.2% | Reduced |
| Fisher Asset Management, LLC | 108,023 | $1.80M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 114,967 | $1.91M | 0.00% | +87,892+324.6% | Added |
| Two Sigma Investments, LP | 117,462 | $1.95M | 0.00% | −30,881−20.8% | Reduced |
| EJF Capital LLC | 122,603 | $2.04M | 1.29% | −167−0.1% | Reduced |
| Russell Investments Group, Ltd. | 126,427 | $2.10M | 0.00% | +30.0% | Added |
| Thrivent Financial for Lutherans | 133,680 | $2.23M | 0.00% | +16,929+14.5% | Added |
| Knights of Columbus Asset Advisors LLC | 134,484 | $2.24M | 0.15% | −27,871−17.2% | Reduced |
| Renaissance Technologies LLC | 151,925 | $2.53M | 0.00% | +45,700+43.0% | Added |
| Siena Capital Partners GP, LLC | 163,038 | $2.71M | 0.81% | 00.0% | Unchanged |
| Empowered Funds, LLC | 167,907 | $2.79M | 0.04% | +46,890+38.7% | Added |
| LSV Asset Management | 169,449 | $2.82M | 0.01% | +138,370+445.2% | Added |
| Assenagon Asset Management S.A. | 179,580 | $2.99M | 0.01% | −185,093−50.8% | Reduced |
| Wellington Management Group LLP | 182,837 | $3.04M | 0.00% | −153,800−45.7% | Reduced |
| Elizabeth Park Capital Advisors, Ltd. | 189,750 | $3.16M | 2.86% | +48,856+34.7% | Added |
| Arrowstreet Capital, Limited Partnership | 194,788 | $3.24M | 0.00% | +25,854+15.3% | Added |
| Great Lakes Advisors, LLC | 197,992 | $3.29M | 0.03% | +84,399+74.3% | Added |
| Forum Financial Management, LP | 229,865 | $3.82M | 0.06% | −13,972−5.7% | Reduced |
| Bank of America Corp | 230,562 | $3.84M | 0.00% | −5,500−2.3% | Reduced |
| Millennium Management LLC | 282,437 | $4.70M | 0.00% | −25,786−8.4% | Reduced |
| River Street Advisors LLC | 292,611 | $4.87M | 2.41% | +103,462+54.7% | Added |
| Qube Research & Technologies Ltd | 302,859 | $5.04M | 0.01% | +127,175+72.4% | Added |
| Bank of New York Mellon Corp | 333,057 | $5.54M | 0.00% | −25,631−7.1% | Reduced |
| Gator Capital Management, LLC | 334,250 | $5.56M | 2.13% | 00.0% | Unchanged |
| Nuveen, LLC | 336,126 | $5.59M | 0.00% | +336,126 | New |
| Charles Schwab Investment Management Inc | 357,036 | $5.94M | 0.00% | −9,444−2.6% | Reduced |
| Morgan Stanley | 362,602 | $6.03M | 0.00% | −32,834−8.3% | Reduced |
| Jacobs Asset Management, LLC | 403,373 | $6.71M | 4.25% | +82,218+25.6% | Added |
| Northern Trust Corp | 418,186 | $6.96M | 0.00% | −28,959−6.5% | Reduced |
| Bridgeway Capital Management, LLC | 474,310 | $7.89M | 0.20% | +102,190+27.5% | Added |
| Kennedy Capital Management, Inc. | 515,690 | $8.58M | 0.20% | −238,703−31.6% | Reduced |
| AQR Capital Management LLC | 540,946 | $9.00M | 0.01% | +135,971+33.6% | Added |
| Stieven Capital Advisors, L.P. | 716,228 | $11.9M | 2.31% | +305,420+74.3% | Added |
| Alliancebernstein L.P. | 741,773 | $12.3M | 0.00% | −56,339−7.1% | Reduced |
| JPMorgan Chase & Co | 951,890 | $15.8M | 0.00% | −117,500−11.0% | Reduced |
| Manufacturers Life Insurance Company, The | 954,275 | $15.9M | 0.02% | +7,337+0.8% | Added |
| Davis Asset Management, L.P. | 1,100,000 | $18.3M | 0.76% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,126,806 | $18.8M | 0.00% | +92,097+8.9% | Added |
| American Century Companies Inc | 1,139,741 | $19.0M | 0.01% | +101,246+9.7% | Added |
| Banc Funds Co LLC | 1,284,578 | $21.4M | 2.82% | −331,500−20.5% | Reduced |
| State Street Corp | 1,309,811 | $21.8M | 0.00% | −139,050−9.6% | Reduced |
| Goldman Sachs Group Inc | 1,478,332 | $24.6M | 0.00% | +630,265+74.3% | Added |
| FJ Capital Management LLC | 1,810,720 | $30.1M | 3.12% | +15,108+0.8% | Added |
| Dimensional Fund Advisors LP | 2,092,430 | $34.8M | 0.01% | +72,997+3.6% | Added |
| Vanguard Group Inc | 2,711,390 | $45.1M | 0.00% | +73,672+2.8% | Added |
| BlackRock, Inc. | 3,580,497 | $59.6M | 0.00% | +43,040+1.2% | Added |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −342,206−100.0% | Sold out |
| PMC FIG Opportunities LLC | 0 | $0 | 0.00% | −98,618−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −68,343−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −44,626−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −22,703−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −19,833−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −12,271−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −300−100.0% | Sold out |