Old Second BancorpOSBC
13F holders, Q3 2025 (September 30)197holders +14
31new positions
16sold out
8famous investors
$17.29avg. 13F price*
At the end of Q3 2025, 197 institutions reported holding Old Second Bancorp Inc. (OSBC) in their 13F filings, up 14 from Q2 2025. 31 opened new positions and 16 sold out. The largest holders were BlackRock, Inc. ($66.0M), Vanguard Group Inc. ($56.5M) and Dimensional Fund Advisors LP ($38.1M). 8 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Mario Gabelli (0.0% of GAMCO Investors's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Old Second Bancorp Inc.
- CUSIP
- 680277100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $23.2M |
| Exits | 16 | $6.2M |
All 13F filers, Q2 2025 → Q3 2025: 4,734,822 shares bought and 1,238,628 shares sold, net +3,496,194 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 197 holders
| BlackRock, Inc. | 0.00% | Add +9.0% | 3,817,778 | $66.0M |
| Vanguard Group Inc. | 0.00% | Add +20.4% | 3,269,993 | $56.5M |
| Dimensional Fund Advisors LP | 0.01% | Add +4.1% | 2,204,884 | $38.1M |
| FJ Capital Management LLC | 3.54% | Add +4.5% | 1,919,934 | $33.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +11.7% | 1,558,706 | $26.9M |
| Davis Asset Management, L.P. | 0.92% | Add +8.3% | 1,500,000 | $25.9M |
| American Century Companies Inc. | 0.01% | Add +13.1% | 1,387,891 | $24.0M |
| State Street Corp. | 0.00% | Add +4.7% | 1,367,478 | $23.6M |
| Geode Capital Management, LLC | 0.00% | Add +18.4% | 1,363,185 | $23.6M |
| Kennedy Capital Management LLC | 0.42% | Add +9.7% | 1,093,318 | $18.9M |
| Banc Funds Co. LLC | 3.04% | Reduce -13.1% | 1,006,378 | $17.4M |
| Northern Trust Corp. | 0.00% | Add +140.8% | 997,898 | $17.2M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -1.9% | 916,668 | $15.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.2% | 780,001 | $13.5M |
| Stieven Capital Advisors, L.P. | 2.54% | Add +8.5% | 778,028 | $13.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -2.0% | 699,270 | $12.1M |
| AQR Capital Management | 0.01% | Reduce -0.5% | 518,099 | $9.0M |
| Bridgeway Capital Management, LLC | 0.19% | Add +4.2% | 504,951 | $8.7M |
| Jacobs Asset Management, LLC | 4.53% | Add +3.4% | 478,217 | $8.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +19.4% | 437,591 | $7.6M |
| Nuveen, LLC | 0.00% | Add +8.3% | 414,668 | $7.2M |
| River Street Advisors LLC | 2.57% | New | 383,949 | $6.6M |
| Bank of America Corp. | 0.00% | Add +78.6% | 354,401 | $6.1M |
| Bank of New York Mellon Corp | 0.00% | Add +3.5% | 340,877 | $5.9M |
| Gator Capital Management, LLC | 1.49% | Add +0.7% | 335,335 | $5.8M |
| Morgan Stanley | 0.00% | Reduce -10.2% | 309,897 | $5.4M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -10.4% | 265,314 | $4.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +1.7% | 216,895 | $3.7M |
| Forum Financial Management, LP | 0.05% | Reduce -6.3% | 215,371 | $3.7M |
| Empowered Funds, LLC | 0.03% | Add +11.5% | 198,548 | $3.4M |
| LSV Asset Management | 0.01% | Reduce -4.8% | 193,426 | $3.3M |
| Two Sigma Investments, LP | 0.01% | Add +54.6% | 187,791 | $3.2M |
| Bank of Montreal | 0.00% | New | 179,350 | $3.1M |
| EJF Capital LP | 1.75% | Add +21.3% | 173,834 | $3.0M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -8.6% | 173,669 | $3.0M |
| Great Lakes Advisors, LLC | 0.02% | Reduce -13.0% | 167,385 | $2.9M |
| Siena Capital Partners GP, LLC | 0.81% | No change | 163,038 | $2.8M |
| Victory Capital Management Inc. | 0.00% | Add +33.1% | 162,310 | $2.8M |
| Elizabeth Park Capital Advisors, Ltd. | 2.22% | Add +4.9% | 158,657 | $2.7M |
| Wellington Management Group LLP | 0.00% | No change | 156,108 | $2.7M |
| Blair William & Co. | 0.01% | Add +757.0% | 154,436 | $2.7M |
| Knights of Columbus Asset Advisors LLC | 0.14% | Add +3.4% | 136,442 | $2.4M |
| Martingale Asset Management L P | 0.06% | Add +2.5% | 135,240 | $2.3M |
| Boothbay Fund Management, LLC | 0.06% | New | 125,249 | $2.2M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +6.1% | 120,925 | $2.1M |
| Barclays PLC | 0.00% | Reduce -12.7% | 116,579 | $2.0M |
| Russell Investments Group, Ltd. | 0.00% | Add +4.2% | 111,213 | $1.9M |
| Fisher Asset Management | 0.00% | Reduce -5.1% | 102,505 | $1.8M |
| Curi Capital, LLC | 0.03% | No change | 100,496 | $1.7M |
| Mendon Capital Advisors Corp. | 0.79% | No change | 100,000 | $1.7M |
| Sara-Bay Financial | 0.48% | New | 99,063 | $1.7M |
| Brandywine Global Investment Management, LLC | 0.01% | Reduce -3.6% | 94,020 | $1.6M |
| MSH Capital Advisors LLC | 0.39% | No change | 84,826 | $1.5M |
| Swiss National Bank | 0.00% | No change | 81,700 | $1.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -25.5% | 79,032 | $1.4M |
| Citadel Advisors | 0.00% | Add +49.9% | 77,588 | $1.3M |
| Invesco Ltd. | 0.00% | Add +9.5% | 77,001 | $1.3M |
| Rhumbline Advisers | 0.00% | Add +6.0% | 75,349 | $1.3M |
| JCSD Capital, LLC | 2.31% | New | 75,100 | $1.3M |
| Hudson Edge Investment Partners Inc. | 0.17% | Add +1.6% | 61,653 | $1.1M |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 58,816 | $1.0M |
| PMC FIG Opportunities LLC | 1.50% | New | 56,569 | $978K |
| Sei Investments Co. | 0.00% | Add +2.7% | 55,126 | $953K |
| Ieq Capital, LLC | 0.00% | Add +73.1% | 53,274 | $921K |
| Black Maple Capital Management LP | 0.66% | Add +10.5% | 52,500 | $907K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -59.3% | 52,022 | $899K |
| Renaissance Technologies | 0.00% | Reduce -40.6% | 49,125 | $849K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -17.3% | 48,615 | $839K |
| Bailard, Inc. | 0.02% | Add +25.2% | 47,750 | $825K |
| Point72 Asset Management | 0.00% | Add +146.5% | 47,672 | $824K |
| Legal & General Group Plc | 0.00% | Add +1.0% | 47,570 | $822K |
| ExodusPoint Capital Management, LP | 0.01% | Reduce -21.3% | 47,538 | $822K |
| Hunter Perkins Capital Management, LLC | 0.18% | No change | 45,820 | $792K |
| CenterBook Partners LP | 0.04% | New | 45,797 | $792K |
| UBS Group AG | 0.00% | Add +20.2% | 44,812 | $775K |
| HighTower Advisors, LLC | 0.00% | Add +0.9% | 44,728 | $773K |
| Two Sigma Advisers, LP | 0.00% | Reduce -42.4% | 44,500 | $769K |
| Skylands Capital, LLC | 0.10% | Add +79.9% | 43,350 | $750K |
| Dynamic Technology Lab Private Ltd | 0.12% | New | 41,951 | $725K |
| Corient Private Wealth LP | 0.00% | New | 40,753 | $704K |
| Teacher Retirement System of Texas | 0.00% | Reduce -2.4% | 40,588 | $702K |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 39,417 | $681K |
| Citigroup Inc. | 0.00% | Reduce -13.3% | 38,893 | $672K |
| AlphaQuest LLC | 0.04% | Reduce -9.8% | 38,771 | $670K |
| Wells Fargo & Company | 0.00% | Add +38.4% | 38,670 | $668K |
| Creative Planning | 0.00% | Add +13.7% | 38,306 | $662K |
| Deutsche Bank AG | 0.00% | Add +21.7% | 37,834 | $654K |
| Rafferty Asset Management, LLC | 0.00% | Add +12.2% | 36,771 | $636K |
| Pinnacle Financial Group, LLC / IL | 0.19% | New | 36,414 | $629K |
| Principal Financial Group Inc. | 0.00% | Reduce -11.7% | 34,962 | $604K |
| Quantbot Technologies LP | 0.02% | Add +218.3% | 34,512 | $597K |
| HSBC Holdings PLC | 0.00% | Add +7.3% | 34,063 | $585K |
| 4WEALTH Advisors, Inc. | 0.54% | New | 33,558 | $580K |
| GAMCO Investors | 0.01% | New | 32,721 | $566K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -1.8% | 32,695 | $565K |
| Royal Bank of Canada | 0.00% | Reduce -34.6% | 32,413 | $560K |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.9% | 32,243 | $558K |
| MQS Management LLC | 0.32% | New | 31,654 | $547K |
| R Squared Ltd | 0.23% | Add +27.1% | 30,899 | $534K |
| Prudential Financial Inc. | 0.00% | Add +2.0% | 29,910 | $517K |
| MetLife Investment Management, LLC | 0.00% | Add +15.9% | 29,565 | $511K |
| First Trust Advisors LP | 0.00% | Add +0.8% | 29,166 | $504K |
| Rothschild Investment LLC | 0.03% | Add +0.1% | 28,201 | $487K |
| Franklin Resources Inc. | 0.00% | No change | 28,116 | $486K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -13.8% | 28,113 | $486K |
| Osaic Holdings, Inc. | 0.00% | Add +8.5% | 26,189 | $460K |
| Sterling Capital Management LLC | 0.01% | Add +21.2% | 25,300 | $437K |
| Alps Advisors Inc. | 0.00% | Add +11.2% | 24,976 | $432K |
| Cwm, LLC | 0.00% | Add +25.2% | 24,358 | $421K |
| Quantinno Capital Management LP | 0.00% | Add +53.9% | 24,103 | $417K |
| Magnetar Financial LLC | 0.00% | New | 23,901 | $413K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.5% | 23,427 | $405K |
| Arax Advisory Partners | 0.01% | Add +1646.8% | 22,813 | $394K |
| Jane Street Group, LLC | 0.00% | Reduce -45.0% | 22,309 | $386K |
| Tudor Investment Corporation | 0.00% | New | 21,772 | $376K |
| Raymond James Financial Inc. | 0.00% | Add +1.7% | 21,389 | $370K |
| Panagora Asset Management Inc. | 0.00% | Reduce -62.4% | 21,003 | $363K |
| Verition Fund Management LLC | 0.00% | Reduce -12.8% | 20,970 | $362K |
| Nicolet Advisory Services, LLC | 0.03% | No change | 20,210 | $349K |
| Intech Investment Management LLC | 0.00% | Add +8.8% | 20,047 | $347K |
| Lakewood Asset Management LLC | 0.21% | Reduce -0.7% | 19,944 | $345K |
| Jupiter Asset Management Ltd. | 0.00% | Reduce -27.3% | 19,522 | $337K |
| Sentinel Trust Co. Lba | 0.03% | No change | 18,860 | $326K |
| Persistent Asset Partners Ltd | 0.23% | New | 18,182 | $314K |
| SG Americas Securities, LLC | 0.00% | Add +2.3% | 17,438 | $301K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +15.3% | 17,409 | $301K |
| Centennial Wealth Advisory LLC | 0.08% | Add +0.3% | 17,399 | $301K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 17,258 | $298K |
| Brevan Howard Capital Management LP | 0.00% | New | 17,153 | $296K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -9.4% | 16,564 | $286K |
| Mariner, LLC | 0.00% | Add +39.0% | 16,380 | $283K |
| BNP Paribas Financial Markets | 0.00% | Reduce -31.6% | 16,342 | $282K |
| Cetera Investment Advisers | 0.00% | New | 15,834 | $274K |
| Janus Henderson Group PLC | 0.00% | No change | 15,635 | $270K |
| FMR LLC | 0.00% | Reduce -51.2% | 15,609 | $270K |
| Federated Hermes, Inc. | 0.00% | Add +19.3% | 14,928 | $258K |
| Kestra Advisory Services, LLC | 0.00% | New | 14,802 | $256K |
| Princeton Capital Management LLC | 0.06% | No change | 13,770 | $238K |
| Cobblestone Capital Advisors LLC | 0.01% | Add +0.1% | 13,629 | $236K |
| Mercer Global Advisors Inc. | 0.00% | New | 12,925 | $223K |
| Fourthstone LLC | 0.04% | Reduce -72.8% | 12,500 | $216K |
| Hohimer Wealth Management, LLC | 0.03% | Reduce -13.0% | 12,480 | $216K |
| Arizona State Retirement System | 0.00% | Reduce -0.8% | 12,376 | $214K |
| Bartlett & Co. Wealth Management LLC | 0.00% | Add +0.4% | 12,212 | $211K |
| D. E. Shaw & Co. | 0.00% | Reduce -72.3% | 12,166 | $210K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -23.6% | 12,161 | $210K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +28.2% | 11,988 | $207K |
| Stratos Wealth Partners, LTD. | 0.00% | No change | 11,663 | $202K |
| New York State Common Retirement Fund | 0.00% | No change | 11,466 | $198K |
| Susquehanna International Group, LLP | 0.00% | Reduce -83.2% | 11,273 | $195K |
| Caldwell Sutter Capital, Inc. | 0.08% | New | 11,000 | $190K |
| Gsa Capital Partners LLP | 0.02% | Reduce -21.1% | 10,881 | $188K |
| HighPoint Advisor Group LLC | 0.01% | No change | 10,874 | $188K |
| STRS Ohio | 0.00% | Add +98.1% | 10,500 | $181K |
| J.W. Cole Advisors, Inc. | 0.00% | Add +0.1% | 10,488 | $181K |
| Corton Capital Inc. | 0.44% | Reduce -23.7% | 10,427 | $180K |
| Squarepoint Ops LLC | 0.00% | New | 10,355 | $179K |
| KLP Kapitalforvaltning As | 0.00% | No change | 9,100 | $157K |
| EMC Capital Management | 0.07% | No change | 8,435 | $146K |
| Tsfg, LLC | 0.02% | Add +29.2% | 7,125 | $123K |
| Wealthspire Advisors, LLC | 0.00% | New | 5,844 | $101K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 5,637 | $97K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 5,320 | $92K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,314 | $75K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 4,236 | $73K |
| Aquatic Capital Management LLC | 0.00% | Reduce -76.0% | 4,136 | $71K |
| Mather Group, Llc. | 0.00% | New | 3,872 | $67K |
| Versant Capital Management, Inc | 0.01% | Add +5.8% | 2,533 | $44K |
| Shell Asset Management Co. | 0.00% | Reduce -64.1% | 2,033 | $35K |
| Quadrant Capital Group LLC | 0.00% | New | 1,901 | $33K |
| State of Alaska, Department of Revenue | 0.00% | New | 1,771 | $30K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +8.8% | 1,610 | $28K |
| Amalgamated Bank | 0.00% | No change | 1,470 | $25K |
| MAI Capital Management | 0.00% | Reduce -6.1% | 1,430 | $25K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -78.8% | 1,336 | $23K |
| Tompkins Financial Corp. | 0.00% | No change | 1,145 | $20K |
| Essential Partners LLC | 0.01% | Add +82.2% | 1,115 | $19K |
| US Bancorp \de | 0.00% | Reduce -23.2% | 985 | $17K |
| Parallel Advisors, LLC | 0.00% | No change | 932 | $16K |
| Point72 (DIFC) Ltd | 0.00% | New | 561 | $10K |
| GAMMA Investing LLC | 0.00% | Add +2.7% | 535 | $9K |
| Allworth Financial LP | 0.00% | Add +106.2% | 497 | $9K |
| Covestor Ltd | 0.00% | Reduce -34.7% | 450 | $8K |
| IFP Advisors, Inc | 0.00% | Add +11.4% | 438 | $8K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 400 | $7K |
| Danske Bank A/S | 0.00% | No change | 300 | $5K |
| Clearstead Advisors, LLC | 0.00% | Add +9.7% | 272 | $5K |
| Optiver Holding B.V. | 0.00% | New | 226 | $4K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 220 | $4K |
| Signaturefd, LLC | 0.00% | No change | 125 | $2K |
| True Wealth Design, LLC | 0.00% | Add +47.4% | 84 | $1K |
| Farther Finance Advisors, LLC | 0.00% | Add +52.5% | 61 | $1K |
| First Horizon Corp. | 0.00% | — | 43 | $743 |
| Smartleaf Asset Management LLC | 0.00% | New | 20 | $346 |
| National Bank of Canada | 0.00% | No change | 1 | $17 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 1 | $17 |
| Valley Wealth Managers, Inc. | 0.00% | No change | 1 | $12 |
"% of holder's portfolio" is OSBC's weight in each manager's 13F, not the share of Old Second Bancorp Inc. the manager owns.