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, Q2 2025
Institutional positions in Old Second Bancorp Inc as of Jun 30, 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
- 183
- −9 vs. Q1 2025
- Shares held
- 32.6M
- −192.2K (−0.6%) vs. Q1 2025
- Total value
- $579.1M
- +$32.9M (+6.0%) vs. Q1 2025
- New holders
- 15
- 74 more added
- Sold out
- 24
- 65 more reduced
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,501,598 | $62.1M | 0.00% | −78,899−2.2% | Reduced |
| Vanguard Group Inc | 2,716,824 | $48.2M | 0.00% | +5,434+0.2% | Added |
| Dimensional Fund Advisors LP | 2,118,468 | $37.6M | 0.01% | +26,038+1.2% | Added |
| FJ Capital Management LLC | 1,837,333 | $32.6M | 3.46% | +26,613+1.5% | Added |
| Goldman Sachs Group Inc | 1,395,332 | $24.8M | 0.00% | −83,000−5.6% | Reduced |
| Davis Asset Management, L.P. | 1,384,502 | $24.6M | 0.96% | +284,502+25.9% | Added |
| State Street Corp | 1,305,542 | $23.2M | 0.00% | −4,269−0.3% | Reduced |
| American Century Companies Inc | 1,227,462 | $21.8M | 0.01% | +87,721+7.7% | Added |
| Banc Funds Co LLC | 1,157,378 | $20.5M | 3.10% | −127,200−9.9% | Reduced |
| Geode Capital Management, LLC | 1,151,371 | $20.4M | 0.00% | +24,565+2.2% | Added |
| Kennedy Capital Management, Inc. | 996,992 | $17.7M | 0.42% | +481,302+93.3% | Added |
| Manufacturers Life Insurance Company, The | 934,473 | $16.6M | 0.01% | −19,802−2.1% | Reduced |
| JPMorgan Chase & Co | 849,868 | $15.1M | 0.00% | −102,022−10.7% | Reduced |
| Stieven Capital Advisors, L.P. | 717,028 | $12.7M | 2.48% | +800+0.1% | Added |
| Alliancebernstein L.P. | 713,742 | $12.7M | 0.00% | −28,031−3.8% | Reduced |
| AQR Capital Management LLC | 520,926 | $9.24M | 0.01% | −20,020−3.7% | Reduced |
| Bridgeway Capital Management, LLC | 484,528 | $8.60M | 0.20% | +10,218+2.2% | Added |
| Jacobs Asset Management, LLC | 462,500 | $8.20M | 4.68% | +59,127+14.7% | Added |
| Northern Trust Corp | 414,407 | $7.35M | 0.00% | −3,779−0.9% | Reduced |
| Nuveen, LLC | 383,048 | $6.80M | 0.00% | +46,922+14.0% | Added |
| Charles Schwab Investment Management Inc | 366,553 | $6.50M | 0.00% | +9,517+2.7% | Added |
| Morgan Stanley | 345,009 | $6.12M | 0.00% | −17,593−4.9% | Reduced |
| Gator Capital Management, LLC | 332,950 | $5.91M | 1.84% | −1,300−0.4% | Reduced |
| Bank of New York Mellon Corp | 329,436 | $5.84M | 0.00% | −3,621−1.1% | Reduced |
| Qube Research & Technologies Ltd | 296,100 | $5.25M | 0.01% | −6,759−2.2% | Reduced |
| Forum Financial Management, LP | 229,887 | $4.08M | 0.06% | +220.0% | Added |
| Arrowstreet Capital, Limited Partnership | 213,236 | $3.78M | 0.00% | +18,448+9.5% | Added |
| LSV Asset Management | 203,126 | $3.60M | 0.01% | +33,677+19.9% | Added |
| Bank of America Corp | 198,449 | $3.52M | 0.00% | −32,113−13.9% | Reduced |
| Great Lakes Advisors, LLC | 192,462 | $3.41M | 0.03% | −5,530−2.8% | Reduced |
| Thrivent Financial for Lutherans | 189,920 | $3.37M | 0.01% | +56,240+42.1% | Added |
| Empowered Funds, LLC | 178,125 | $3.16M | 0.04% | +10,218+6.1% | Added |
| Siena Capital Partners GP, LLC | 163,038 | $2.89M | 0.85% | 00.0% | Unchanged |
| Wellington Management Group LLP | 156,108 | $2.77M | 0.00% | −26,729−14.6% | Reduced |
| Elizabeth Park Capital Advisors, Ltd. | 151,299 | $2.68M | 2.41% | −38,451−20.3% | Reduced |
| EJF Capital LLC | 143,286 | $2.54M | 2.02% | +20,683+16.9% | Added |
| Barclays PLC | 133,477 | $2.37M | 0.00% | +37,514+39.1% | Added |
| Martingale Asset Management L P | 131,992 | $2.34M | 0.06% | +28,633+27.7% | Added |
| Knights of Columbus Asset Advisors LLC | 131,955 | $2.34M | 0.14% | −2,529−1.9% | Reduced |
| UBS Asset Management Americas Inc | 127,941 | $2.27M | 0.00% | +32,651+34.3% | Added |
| Victory Capital Management Inc | 121,908 | $2.16M | 0.00% | +97,708+403.8% | Added |
| Two Sigma Investments, LP | 121,451 | $2.15M | 0.00% | +3,989+3.4% | Added |
| State of New Jersey Common Pension Fund D | 114,010 | $2.02M | 0.01% | +7,013+6.6% | Added |
| Fisher Asset Management, LLC | 108,023 | $1.92M | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 106,708 | $1.89M | 0.00% | −19,719−15.6% | Reduced |
| Ameriprise Financial Inc | 106,127 | $1.88M | 0.00% | +10,547+11.0% | Added |
| RMB Capital Management, LLC | 100,496 | $1.78M | 0.03% | +496+0.5% | Added |
| Mendon Capital Advisors Corp | 100,000 | $1.77M | 0.89% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 97,520 | $1.73M | 0.01% | −4,100−4.0% | Reduced |
| MSH Capital Advisors LLC | 84,826 | $1.50M | 0.43% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 82,725 | $1.47M | 0.00% | −69,200−45.5% | Reduced |
| Swiss National Bank | 81,700 | $1.45M | 0.00% | −1,500−1.8% | Reduced |
| Two Sigma Advisers, LP | 77,300 | $1.37M | 0.00% | −7,800−9.2% | Reduced |
| Rhumbline Advisers | 71,093 | $1.26M | 0.00% | +2,811+4.1% | Added |
| Invesco Ltd. | 70,339 | $1.25M | 0.00% | −4,690−6.3% | Reduced |
| Susquehanna International Group, LLP | 67,070 | $1.19M | 0.00% | −3,205−4.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 58,772 | $1.12M | 0.00% | −92−0.2% | Reduced |
| HGK Asset Management Inc | 60,674 | $1.08M | 0.18% | +840+1.4% | Added |
| ExodusPoint Capital Management, LP | 60,405 | $1.07M | 0.01% | +15,082+33.3% | Added |
| State Board of Administration of Florida Retirement System | 58,816 | $1.04M | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 57,426 | $1.02M | 0.00% | −225,011−79.7% | Reduced |
| Versor Investments LP | 56,124 | $995.6K | 0.18% | +56,124 | New |
| Panagora Asset Management Inc | 55,922 | $992.1K | 0.00% | +55,922 | New |
| SEI Investments Co | 53,656 | $951.9K | 0.00% | +30,612+132.8% | Added |
| Citadel Advisors LLC | 51,755 | $918.1K | 0.00% | +28,938+126.8% | Added |
| Royal Bank of Canada | 49,576 | $881.0K | 0.00% | +26,978+119.4% | Added |
| Black Maple Capital Management LP | 47,500 | $842.6K | 0.58% | +5,000+11.8% | Added |
| Legal & General Group Plc | 47,083 | $835.3K | 0.00% | −2,308−4.7% | Reduced |
| Fourthstone LLC | 46,000 | $816.0K | 0.16% | +46,000 | New |
| Hunter Perkins Capital Management, LLC | 45,820 | $813.0K | 0.19% | −6,280−12.1% | Reduced |
| Citigroup Inc | 44,859 | $795.8K | 0.00% | −14,858−24.9% | Reduced |
| HighTower Advisors, LLC | 44,306 | $786.0K | 0.00% | −3,143−6.6% | Reduced |
| D. E. Shaw & Co., Inc. | 43,876 | $778.4K | 0.00% | +23,629+116.7% | Added |
| Quest Partners LLC | 42,988 | $762.6K | 0.07% | −6,684−13.5% | Reduced |
| Teacher Retirement System of Texas | 41,578 | $737.6K | 0.00% | +757+1.9% | Added |
| Jane Street Group, LLC | 40,586 | $720.0K | 0.00% | −42,231−51.0% | Reduced |
| Principal Financial Group Inc | 39,570 | $702.0K | 0.00% | +3,136+8.6% | Added |
| California State Teachers Retirement System | 39,415 | $699.2K | 0.00% | −508−1.3% | Reduced |
| Bailard, Inc. | 38,150 | $676.8K | 0.02% | −4,050−9.6% | Reduced |
| Jump Financial, LLC | 37,718 | $669.1K | 0.01% | +19,518+107.2% | Added |
| UBS Group AG | 37,271 | $661.2K | 0.00% | −12,466−25.1% | Reduced |
| Creative Planning | 33,688 | $597.6K | 0.00% | −2,531−7.0% | Reduced |
| Envestnet Asset Management Inc | 33,284 | $590.5K | 0.00% | +6,149+22.7% | Added |
| Rafferty Asset Management, LLC | 32,776 | $581.4K | 0.00% | −5,052−13.4% | Reduced |
| Los Angeles Capital Management LLC | 32,634 | $578.9K | 0.00% | −6,755−17.1% | Reduced |
| FMR LLC | 31,986 | $567.4K | 0.00% | +8,180+34.4% | Added |
| HSBC Holdings PLC | 31,749 | $565.1K | 0.00% | +9,374+41.9% | Added |
| Deutsche Bank AG | 31,093 | $551.6K | 0.00% | −6,148−16.5% | Reduced |
| Ieq Capital, LLC | 30,779 | $546.0K | 0.00% | +1,116+3.8% | Added |
| Prudential Financial Inc | 29,330 | $520.3K | 0.00% | +16,023+120.4% | Added |
| First Trust Advisors LP | 28,937 | $513.3K | 0.00% | +1,752+6.4% | Added |
| Rothschild Investment LLC | 28,170 | $499.7K | 0.03% | +100+0.4% | Added |
| Franklin Resources Inc | 28,116 | $498.8K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 27,943 | $495.7K | 0.00% | −87,024−75.7% | Reduced |
| Price T Rowe Associates Inc | 27,343 | $486.0K | 0.00% | +2,895+11.8% | Added |
| Jupiter Asset Management Ltd | 26,851 | $476.3K | 0.00% | +9,109+51.3% | Added |
| MetLife Investment Management | 25,502 | $452.4K | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 24,465 | $434.0K | 0.00% | −40,031−62.1% | Reduced |
| R Squared Ltd | 24,301 | $431.1K | 0.24% | +9,952+69.4% | Added |
| Advisor Group Holdings, Inc. | 24,136 | $428.2K | 0.00% | −11,756−32.8% | Reduced |