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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,580,497 | $59.6M | 0.00% | +43,040+1.2% | Added |
| Vanguard Group Inc | 2,711,390 | $45.1M | 0.00% | +73,672+2.8% | Added |
| Dimensional Fund Advisors LP | 2,092,430 | $34.8M | 0.01% | +72,997+3.6% | Added |
| FJ Capital Management LLC | 1,810,720 | $30.1M | 3.12% | +15,108+0.8% | Added |
| Goldman Sachs Group Inc | 1,478,332 | $24.6M | 0.00% | +630,265+74.3% | Added |
| State Street Corp | 1,309,811 | $21.8M | 0.00% | −139,050−9.6% | Reduced |
| Banc Funds Co LLC | 1,284,578 | $21.4M | 2.82% | −331,500−20.5% | Reduced |
| American Century Companies Inc | 1,139,741 | $19.0M | 0.01% | +101,246+9.7% | Added |
| Geode Capital Management, LLC | 1,126,806 | $18.8M | 0.00% | +92,097+8.9% | Added |
| Davis Asset Management, L.P. | 1,100,000 | $18.3M | 0.76% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 954,275 | $15.9M | 0.02% | +7,337+0.8% | Added |
| JPMorgan Chase & Co | 951,890 | $15.8M | 0.00% | −117,500−11.0% | Reduced |
| Alliancebernstein L.P. | 741,773 | $12.3M | 0.00% | −56,339−7.1% | Reduced |
| Stieven Capital Advisors, L.P. | 716,228 | $11.9M | 2.31% | +305,420+74.3% | Added |
| AQR Capital Management LLC | 540,946 | $9.00M | 0.01% | +135,971+33.6% | Added |
| Kennedy Capital Management, Inc. | 515,690 | $8.58M | 0.20% | −238,703−31.6% | Reduced |
| Bridgeway Capital Management, LLC | 474,310 | $7.89M | 0.20% | +102,190+27.5% | Added |
| Northern Trust Corp | 418,186 | $6.96M | 0.00% | −28,959−6.5% | Reduced |
| Jacobs Asset Management, LLC | 403,373 | $6.71M | 4.25% | +82,218+25.6% | Added |
| Morgan Stanley | 362,602 | $6.03M | 0.00% | −32,834−8.3% | Reduced |
| Charles Schwab Investment Management Inc | 357,036 | $5.94M | 0.00% | −9,444−2.6% | Reduced |
| Nuveen, LLC | 336,126 | $5.59M | 0.00% | +336,126 | New |
| Gator Capital Management, LLC | 334,250 | $5.56M | 2.13% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 333,057 | $5.54M | 0.00% | −25,631−7.1% | Reduced |
| Qube Research & Technologies Ltd | 302,859 | $5.04M | 0.01% | +127,175+72.4% | Added |
| River Street Advisors LLC | 292,611 | $4.87M | 2.41% | +103,462+54.7% | Added |
| Millennium Management LLC | 282,437 | $4.70M | 0.00% | −25,786−8.4% | Reduced |
| Bank of America Corp | 230,562 | $3.84M | 0.00% | −5,500−2.3% | Reduced |
| Forum Financial Management, LP | 229,865 | $3.82M | 0.06% | −13,972−5.7% | Reduced |
| Great Lakes Advisors, LLC | 197,992 | $3.29M | 0.03% | +84,399+74.3% | Added |
| Arrowstreet Capital, Limited Partnership | 194,788 | $3.24M | 0.00% | +25,854+15.3% | Added |
| Elizabeth Park Capital Advisors, Ltd. | 189,750 | $3.16M | 2.86% | +48,856+34.7% | Added |
| Wellington Management Group LLP | 182,837 | $3.04M | 0.00% | −153,800−45.7% | Reduced |
| Assenagon Asset Management S.A. | 179,580 | $2.99M | 0.01% | −185,093−50.8% | Reduced |
| LSV Asset Management | 169,449 | $2.82M | 0.01% | +138,370+445.2% | Added |
| Empowered Funds, LLC | 167,907 | $2.79M | 0.04% | +46,890+38.7% | Added |
| Siena Capital Partners GP, LLC | 163,038 | $2.71M | 0.81% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 151,925 | $2.53M | 0.00% | +45,700+43.0% | Added |
| Knights of Columbus Asset Advisors LLC | 134,484 | $2.24M | 0.15% | −27,871−17.2% | Reduced |
| Thrivent Financial for Lutherans | 133,680 | $2.23M | 0.00% | +16,929+14.5% | Added |
| Russell Investments Group, Ltd. | 126,427 | $2.10M | 0.00% | +30.0% | Added |
| EJF Capital LLC | 122,603 | $2.04M | 1.29% | −167−0.1% | Reduced |
| Two Sigma Investments, LP | 117,462 | $1.95M | 0.00% | −30,881−20.8% | Reduced |
| Wells Fargo & Company | 114,967 | $1.91M | 0.00% | +87,892+324.6% | Added |
| Fisher Asset Management, LLC | 108,023 | $1.80M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 106,997 | $1.78M | 0.01% | −20,704−16.2% | Reduced |
| Martingale Asset Management L P | 103,359 | $1.72M | 0.04% | +103,359 | New |
| Brandywine Global Investment Management, LLC | 101,620 | $1.69M | 0.01% | −3,910−3.7% | 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 |
| Barclays PLC | 95,963 | $1.60M | 0.00% | −30,681−24.2% | Reduced |
| Ameriprise Financial Inc | 95,580 | $1.59M | 0.00% | −31,135−24.6% | Reduced |
| UBS Asset Management Americas Inc | 95,290 | $1.59M | 0.00% | +28,251+42.1% | Added |
| Two Sigma Advisers, LP | 85,100 | $1.42M | 0.00% | −3,500−4.0% | Reduced |
| MSH Capital Advisors LLC | 84,826 | $1.41M | 0.44% | 00.0% | Unchanged |
| Swiss National Bank | 83,200 | $1.38M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 82,817 | $1.38M | 0.00% | +82,817 | New |
| Invesco Ltd. | 75,029 | $1.25M | 0.00% | −2,868−3.7% | Reduced |
| Trexquant Investment LP | 74,368 | $1.24M | 0.01% | −34,255−31.5% | Reduced |
| Susquehanna International Group, LLP | 70,275 | $1.17M | 0.00% | +44,643+174.2% | Added |
| Rhumbline Advisers | 68,282 | $1.14M | 0.00% | −3,263−4.6% | Reduced |
| Balyasny Asset Management LLC | 64,496 | $1.07M | 0.00% | +18,751+41.0% | Added |
| HGK Asset Management Inc | 59,834 | $995.6K | 0.20% | +17,201+40.3% | Added |
| Citigroup Inc | 59,717 | $993.7K | 0.00% | −9,402−13.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 58,864 | $979.5K | 0.00% | −2,884−4.7% | Reduced |
| State Board of Administration of Florida Retirement System | 58,816 | $978.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 53,907 | $897.0K | 0.00% | +5,645+11.7% | Added |
| Hunter Perkins Capital Management, LLC | 52,100 | $867.0K | 0.20% | −2,950−5.4% | Reduced |
| UBS Group AG | 49,737 | $827.6K | 0.00% | −1,666−3.2% | Reduced |
| Quest Partners LLC | 49,672 | $826.5K | 0.09% | +12,394+33.2% | Added |
| Legal & General Group Plc | 49,391 | $821.9K | 0.00% | −2,193−4.3% | Reduced |
| HighTower Advisors, LLC | 47,449 | $789.6K | 0.00% | −500−1.0% | Reduced |
| ExodusPoint Capital Management, LP | 45,323 | $754.0K | 0.01% | +45,323 | New |
| SG Americas Securities, LLC | 44,275 | $737.0K | 0.00% | +10,517+31.2% | Added |
| Black Maple Capital Management LP | 42,500 | $707.2K | 0.56% | +2,500+6.3% | Added |
| Bailard, Inc. | 42,200 | $702.2K | 0.02% | +42,200 | New |
| Teacher Retirement System of Texas | 40,821 | $679.3K | 0.00% | −14,388−26.1% | Reduced |
| Dynamic Technology Lab Private Ltd | 40,141 | $668.0K | 0.10% | +40,141 | New |
| California State Teachers Retirement System | 39,923 | $664.3K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 39,389 | $655.4K | 0.00% | −5,570−12.4% | Reduced |
| Rafferty Asset Management, LLC | 37,828 | $629.5K | 0.00% | −15,062−28.5% | Reduced |
| Deutsche Bank AG | 37,241 | $619.7K | 0.00% | −3,764−9.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 37,151 | $618.2K | 0.00% | −3,450−8.5% | Reduced |
| Gsa Capital Partners LLP | 36,953 | $615.0K | 0.06% | −37,547−50.4% | Reduced |
| Principal Financial Group Inc | 36,434 | $606.3K | 0.00% | +1,109+3.1% | Added |
| Creative Planning | 36,219 | $602.7K | 0.00% | +715+2.0% | Added |
| Verition Fund Management LLC | 36,150 | $601.5K | 0.00% | +13,930+62.7% | Added |
| Advisor Group Holdings, Inc. | 35,892 | $597.3K | 0.00% | +18,295+104.0% | Added |
| PDT Partners, LLC | 35,336 | $588.0K | 0.04% | −18,799−34.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 33,537 | $558.1K | 0.04% | +33,537 | New |
| Intech Investment Management LLC | 30,200 | $502.5K | 0.01% | +10,955+56.9% | Added |
| Ieq Capital, LLC | 29,663 | $493.6K | 0.00% | +16,742+129.6% | Added |
| Franklin Resources Inc | 28,116 | $467.9K | 0.00% | +28,116 | New |
| Rothschild Investment LLC | 28,070 | $467.1K | 0.03% | +35+0.1% | Added |
| First Trust Advisors LP | 27,185 | $452.4K | 0.00% | −112−0.4% | Reduced |
| Envestnet Asset Management Inc | 27,135 | $451.5K | 0.00% | +6,771+33.2% | Added |
| Cubist Systematic Strategies, LLC | 26,514 | $441.2K | 0.01% | −22,309−45.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 25,864 | $430.4K | 0.00% | +1,067+4.3% | Added |
| MetLife Investment Management | 25,502 | $424.4K | 0.00% | −509−2.0% | Reduced |