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, Q4 2025
Institutional positions in Old Second Bancorp Inc as of Dec 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
- 185
- −8 vs. Q3 2025
- Shares held
- 37.1M
- +1.03M (+2.8%) vs. Q3 2025
- Total value
- $723.9M
- +$100.0M (+16.0%) vs. Q3 2025
- New holders
- 22
- 78 more added
- Sold out
- 30
- 59 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| National Bank of Canada | 1 | $19 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 5 | $98 | 0.00% | +4+400.0% | Added |
| TD Private Client Wealth LLC | 12 | $234 | 0.00% | +12 | New |
| Smartleaf Asset Management LLC | 21 | $410 | 0.00% | +1+5.0% | Added |
| Bruce G. Allen Investments, LLC | 23 | $449 | 0.00% | +23 | New |
| First Horizon Corp | 43 | $839 | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 44 | $856 | 0.00% | +44 | New |
| Optiver Holding B.V. | 82 | $1.60K | 0.00% | −144−63.7% | Reduced |
| True Wealth Design, LLC | 92 | $1.79K | 0.00% | +8+9.5% | Added |
| Larson Financial Group LLC | 128 | $2.50K | 0.00% | +128 | New |
| Eurizon Capital SGR S.p.A. | 188 | $3.67K | 0.00% | +188 | New |
| Signaturefd, LLC | 215 | $4.19K | 0.00% | +90+72.0% | Added |
| Farther Finance Advisors, LLC | 264 | $5.15K | 0.00% | +203+332.8% | Added |
| Northwestern Mutual Wealth Management Co | 400 | $7.80K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 447 | $9.00K | 0.00% | −3−0.7% | Reduced |
| Allworth Financial LP | 501 | $9.77K | 0.00% | +4+0.8% | Added |
| GAMMA Investing LLC | 614 | $12.0K | 0.00% | +79+14.8% | Added |
| Eastern Bank | 758 | $14.8K | 0.00% | +758 | New |
| IFP Advisors, Inc | 783 | $15.3K | 0.00% | +345+78.8% | Added |
| Parallel Advisors, LLC | 932 | $18.2K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 985 | $19.2K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 1,045 | $20.4K | 0.00% | +1,045 | New |
| The PNC Financial Services Group, Inc. | 1,204 | $23.5K | 0.00% | +984+447.3% | Added |
| Essential Partners LLC | 1,207 | $23.5K | 0.01% | +92+8.3% | Added |
| SRS Capital Advisors, Inc. | 1,309 | $25.5K | 0.00% | −21,504−94.3% | Reduced |
| Harbour Investments, Inc. | 1,347 | $26.3K | 0.00% | +1,347 | New |
| Tower Research Capital LLC (TRC) | 1,378 | $26.9K | 0.00% | +42+3.1% | Added |
| Rockefeller Capital Management L.P. | 1,396 | $27.2K | 0.00% | +1,396 | New |
| MAI Capital Management | 1,474 | $28.7K | 0.00% | +44+3.1% | Added |
| Amalgamated Bank | 1,584 | $31.0K | 0.00% | +114+7.8% | Added |
| EverSource Wealth Advisors, LLC | 1,604 | $31.3K | 0.00% | −6−0.4% | Reduced |
| State of Alaska, Department of Revenue | 1,771 | $34.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 1,775 | $34.6K | 0.00% | −2,361−57.1% | Reduced |
| Parkside Financial Bank & Trust | 2,291 | $44.7K | 0.00% | +2,291 | New |
| Clearstead Advisors, LLC | 2,431 | $47.4K | 0.00% | +2,159+793.8% | Added |
| Quadrant Capital Group LLC | 2,523 | $49.2K | 0.00% | +622+32.7% | Added |
| Versant Capital Management, Inc | 2,751 | $53.6K | 0.01% | +218+8.6% | Added |
| Quantbot Technologies LP | 4,008 | $78.2K | 0.00% | −30,504−88.4% | Reduced |
| Danske Bank A/S | 4,100 | $80.0K | 0.00% | +3,800+1,266.7% | Added |
| Ameritas Investment Partners, Inc. | 4,314 | $84.1K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 4,438 | $86.5K | 0.00% | −11,171−71.6% | Reduced |
| Nisa Investment Advisors, LLC | 4,776 | $93.1K | 0.00% | +540+12.7% | Added |
| CIBC Private Wealth Group, LLC | 5,320 | $103.7K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 5,637 | $110.0K | 0.00% | 00.0% | Unchanged |
| Sfam, LLC | 5,827 | $113.6K | 0.10% | +5,827 | New |
| Canada Pension Plan Investment Board | 7,000 | $136.5K | 0.00% | +7,000 | New |
| TSFG, LLC | 7,125 | $139.0K | 0.02% | 00.0% | Unchanged |
| EMC Capital Management | 7,170 | $140.0K | 0.06% | −1,265−15.0% | Reduced |
| Quest Partners LLC | 8,478 | $165.3K | 0.01% | −30,293−78.1% | Reduced |
| J.W. Cole Advisors, Inc. | 10,495 | $204.7K | 0.00% | +7+0.1% | Added |
| KLP Kapitalforvaltning AS | 10,700 | $208.7K | 0.00% | +1,600+17.6% | Added |
| Campbell & CO Investment Adviser LLC | 10,996 | $214.4K | 0.01% | +10,996 | New |
| Caldwell Sutter Capital, Inc. | 11,000 | $214.5K | 0.09% | 00.0% | Unchanged |
| Cerity Partners LLC | 11,115 | $216.7K | 0.00% | +11,115 | New |
| DRW Securities, LLC | 11,349 | $221.3K | 0.02% | +11,349 | New |
| Stratos Wealth Partners, LTD. | 11,677 | $227.7K | 0.00% | +14+0.1% | Added |
| Abacus Wealth Partners, LLC | 11,805 | $230.2K | 0.02% | +11,805 | New |
| BNP Paribas Arbitrage, SA | 12,160 | $237.1K | 0.00% | −4,182−25.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,161 | $237.1K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 12,258 | $239.0K | 0.00% | +46+0.4% | Added |
| Hohimer Wealth Management, LLC | 12,497 | $243.7K | 0.03% | +17+0.1% | Added |
| Brevan Howard Capital Management LP | 12,731 | $248.3K | 0.00% | −4,422−25.8% | Reduced |
| Princeton Capital Management LLC | 13,770 | $268.5K | 0.07% | 00.0% | Unchanged |
| Arizona State Retirement System | 13,945 | $271.9K | 0.00% | +1,569+12.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 14,232 | $277.5K | 0.00% | +2,244+18.7% | Added |
| New York State Common Retirement Fund | 14,366 | $280.1K | 0.00% | +2,900+25.3% | Added |
| Mercer Global Advisors Inc | 14,445 | $281.7K | 0.00% | +1,520+11.8% | Added |
| Mirabella Financial Services LLP | 14,583 | $284.4K | 0.03% | +14,583 | New |
| Federated Hermes, Inc. | 14,695 | $286.6K | 0.00% | −233−1.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,782 | $288.3K | 0.00% | −1,782−10.8% | Reduced |
| Kestra Advisory Services, LLC | 14,859 | $289.8K | 0.00% | +57+0.4% | Added |
| Janus Henderson Group PLC | 15,635 | $304.9K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 16,020 | $312.4K | 0.00% | +186+1.2% | Added |
| State of Wisconsin Investment Board | 16,141 | $314.8K | 0.00% | +16,141 | New |
| Public Employees Retirement Association of Colorado | 17,258 | $337.0K | 0.00% | 00.0% | Unchanged |
| Centennial Wealth Advisory LLC | 17,457 | $340.4K | 0.09% | +58+0.3% | Added |
| Intech Investment Management LLC | 17,879 | $348.6K | 0.00% | −2,168−10.8% | Reduced |
| HighPoint Advisor Group LLC | 17,956 | $350.1K | 0.01% | +7,082+65.1% | Added |
| Captrust Financial Advisors | 18,444 | $359.7K | 0.00% | +18,444 | New |
| 4WEALTH Advisors, Inc. | 18,650 | $363.7K | 0.31% | −14,908−44.4% | Reduced |
| Sentinel Trust Co Lba | 18,860 | $368.0K | 0.04% | 00.0% | Unchanged |
| David Loasby | 20,210 | $398.7K | 0.03% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 20,878 | $407.1K | 0.00% | −11,817−36.1% | Reduced |
| First Trust Advisors LP | 20,911 | $407.8K | 0.00% | −8,255−28.3% | Reduced |
| Panagora Asset Management Inc | 20,927 | $408.1K | 0.00% | −76−0.4% | Reduced |
| Mariner, LLC | 21,001 | $409.6K | 0.00% | +4,621+28.2% | Added |
| Lakewood Asset Management LLC | 21,360 | $416.5K | 0.24% | +1,416+7.1% | Added |
| SG Americas Securities, LLC | 22,521 | $439.0K | 0.00% | +5,083+29.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 23,405 | $456.4K | 0.00% | −22−0.1% | Reduced |
| CWM, LLC | 24,085 | $470.0K | 0.00% | −273−1.1% | Reduced |
| Verition Fund Management LLC | 24,375 | $475.3K | 0.00% | +3,405+16.2% | Added |
| Sterling Capital Management LLC | 24,727 | $482.2K | 0.01% | −573−2.3% | Reduced |
| Alps Advisors Inc | 25,189 | $491.2K | 0.00% | +213+0.9% | Added |
| Los Angeles Capital Management LLC | 28,606 | $519.5K | 0.00% | +493+1.8% | Added |
| Advisor Group Holdings, Inc. | 27,984 | $545.7K | 0.00% | +1,795+6.9% | Added |
| Rothschild Investment LLC | 28,292 | $551.7K | 0.03% | +91+0.3% | Added |
| MetLife Investment Management | 28,348 | $552.8K | 0.00% | −1,217−4.1% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 28,364 | $563.9K | 0.00% | −20,251−41.7% | Reduced |
| CenterBook Partners LP | 29,888 | $582.8K | 0.03% | −15,909−34.7% | Reduced |
| Teacher Retirement System of Texas | 30,267 | $590.2K | 0.00% | −10,321−25.4% | Reduced |