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, Q3 2025
Institutional positions in Old Second Bancorp Inc as of Sep 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
- 197
- +16 vs. Q2 2025
- Shares held
- 36.1M
- +3.50M (+10.7%) vs. Q2 2025
- Total value
- $624.4M
- +$45.5M (+7.9%) vs. Q2 2025
- New holders
- 32
- 84 more added
- Sold out
- 16
- 50 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hallmark Capital Management Inc | 1 | $12 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 1 | $17 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 1 | $17 | 0.00% | +1 | New |
| Smartleaf Asset Management LLC | 20 | $346 | 0.00% | +20 | New |
| First Horizon Corp | 43 | $743 | 0.00% | +43 | New |
| Farther Finance Advisors, LLC | 61 | $1.05K | 0.00% | +21+52.5% | Added |
| True Wealth Design, LLC | 84 | $1.45K | 0.00% | +27+47.4% | Added |
| Signaturefd, LLC | 125 | $2.16K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 220 | $3.80K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 226 | $3.91K | 0.00% | +226 | New |
| Clearstead Advisors, LLC | 272 | $4.70K | 0.00% | +24+9.7% | Added |
| Danske Bank A/S | 300 | $5.19K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 400 | $6.91K | 0.00% | +400 | New |
| IFP Advisors, Inc | 438 | $7.57K | 0.00% | +45+11.5% | Added |
| Covestor Ltd | 450 | $8.00K | 0.00% | −239−34.7% | Reduced |
| Allworth Financial LP | 497 | $8.59K | 0.00% | +256+106.2% | Added |
| GAMMA Investing LLC | 535 | $9.25K | 0.00% | +14+2.7% | Added |
| Point72 (DIFC) Ltd | 561 | $9.70K | 0.00% | +561 | New |
| Parallel Advisors, LLC | 932 | $16.1K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 985 | $17.0K | 0.00% | −297−23.2% | Reduced |
| Essential Partners LLC | 1,115 | $19.3K | 0.01% | +503+82.2% | Added |
| Tompkins Financial Corp | 1,145 | $19.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,336 | $23.1K | 0.00% | −4,970−78.8% | Reduced |
| MAI Capital Management | 1,430 | $24.7K | 0.00% | −93−6.1% | Reduced |
| Amalgamated Bank | 1,470 | $25.0K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 1,610 | $27.8K | 0.00% | +130+8.8% | Added |
| State of Alaska, Department of Revenue | 1,771 | $30.0K | 0.00% | +1,771 | New |
| Quadrant Capital Group LLC | 1,901 | $32.9K | 0.00% | +1,901 | New |
| Shell Asset Management Co | 2,033 | $35.0K | 0.00% | −3,624−64.1% | Reduced |
| Versant Capital Management, Inc | 2,533 | $43.8K | 0.01% | +138+5.8% | Added |
| Mather Group, LLC. | 3,872 | $66.9K | 0.00% | +3,872 | New |
| Aquatic Capital Management LLC | 4,136 | $71.5K | 0.00% | −13,120−76.0% | Reduced |
| Nisa Investment Advisors, LLC | 4,236 | $73.2K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,314 | $74.6K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 5,320 | $92.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 5,637 | $97.0K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 5,844 | $101.0K | 0.00% | +5,844 | New |
| TSFG, LLC | 7,125 | $123.0K | 0.02% | +1,612+29.2% | Added |
| EMC Capital Management | 8,435 | $146.0K | 0.07% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 9,100 | $157.3K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 10,355 | $179.0K | 0.00% | +10,355 | New |
| Corton Capital Inc. | 10,427 | $180.2K | 0.44% | −3,232−23.7% | Reduced |
| J.W. Cole Advisors, Inc. | 10,488 | $181.3K | 0.00% | +8+0.1% | Added |
| STRS Ohio | 10,500 | $181.5K | 0.00% | +5,200+98.1% | Added |
| HighPoint Advisor Group LLC | 10,874 | $188.0K | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 10,881 | $188.0K | 0.02% | −2,919−21.2% | Reduced |
| Caldwell Sutter Capital, Inc. | 11,000 | $190.1K | 0.08% | +11,000 | New |
| Susquehanna International Group, LLP | 11,273 | $194.9K | 0.00% | −55,797−83.2% | Reduced |
| New York State Common Retirement Fund | 11,466 | $198.2K | 0.00% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 11,663 | $201.6K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 11,988 | $207.2K | 0.00% | +2,637+28.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,161 | $210.2K | 0.00% | −3,762−23.6% | Reduced |
| D. E. Shaw & Co., Inc. | 12,166 | $210.3K | 0.00% | −31,710−72.3% | Reduced |
| Bartlett & Co. Wealth Management LLC | 12,212 | $211.1K | 0.00% | +44+0.4% | Added |
| Arizona State Retirement System | 12,376 | $213.9K | 0.00% | −99−0.8% | Reduced |
| Hohimer Wealth Management, LLC | 12,480 | $215.7K | 0.03% | −1,870−13.0% | Reduced |
| Fourthstone LLC | 12,500 | $216.1K | 0.04% | −33,500−72.8% | Reduced |
| Mercer Global Advisors Inc | 12,925 | $223.4K | 0.00% | +12,925 | New |
| Cobblestone Capital Advisors LLC | 13,629 | $235.6K | 0.01% | +20+0.1% | Added |
| Princeton Capital Management LLC | 13,770 | $238.0K | 0.06% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 14,802 | $255.9K | 0.00% | +14,802 | New |
| Federated Hermes, Inc. | 14,928 | $258.0K | 0.00% | +2,413+19.3% | Added |
| FMR LLC | 15,609 | $269.8K | 0.00% | −16,377−51.2% | Reduced |
| Janus Henderson Group PLC | 15,635 | $270.3K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 15,834 | $273.7K | 0.00% | +15,834 | New |
| BNP Paribas Arbitrage, SA | 16,342 | $282.5K | 0.00% | −7,564−31.6% | Reduced |
| Mariner, LLC | 16,380 | $283.1K | 0.00% | +4,600+39.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 16,564 | $286.3K | 0.00% | −1,726−9.4% | Reduced |
| Brevan Howard Capital Management LP | 17,153 | $296.4K | 0.00% | +17,153 | New |
| Public Employees Retirement Association of Colorado | 17,258 | $298.0K | 0.00% | 00.0% | Unchanged |
| Centennial Wealth Advisory LLC | 17,399 | $300.7K | 0.08% | +53+0.3% | Added |
| Jacobs Levy Equity Management, Inc | 17,409 | $300.9K | 0.00% | +2,309+15.3% | Added |
| SG Americas Securities, LLC | 17,438 | $301.0K | 0.00% | +387+2.3% | Added |
| Persistent Asset Partners Ltd | 18,182 | $314.3K | 0.23% | +18,182 | New |
| Sentinel Trust Co Lba | 18,860 | $326.0K | 0.03% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 19,522 | $337.4K | 0.00% | −7,329−27.3% | Reduced |
| Lakewood Asset Management LLC | 19,944 | $344.7K | 0.21% | −146−0.7% | Reduced |
| Intech Investment Management LLC | 20,047 | $346.5K | 0.00% | +1,620+8.8% | Added |
| David Loasby | 20,210 | $348.6K | 0.03% | 00.0% | Unchanged |
| Verition Fund Management LLC | 20,970 | $362.5K | 0.00% | −3,093−12.9% | Reduced |
| Panagora Asset Management Inc | 21,003 | $363.0K | 0.00% | −34,919−62.4% | Reduced |
| Raymond James Financial Inc | 21,389 | $369.7K | 0.00% | +366+1.7% | Added |
| Tudor Investment Corp Et Al | 21,772 | $376.3K | 0.00% | +21,772 | New |
| Jane Street Group, LLC | 22,309 | $385.6K | 0.00% | −18,277−45.0% | Reduced |
| SRS Capital Advisors, Inc. | 22,813 | $394.3K | 0.01% | +21,507+1,646.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 23,427 | $404.9K | 0.00% | −361−1.5% | Reduced |
| Magnetar Financial LLC | 23,901 | $413.1K | 0.00% | +23,901 | New |
| Quantinno Capital Management LP | 24,103 | $416.6K | 0.00% | +8,439+53.9% | Added |
| CWM, LLC | 24,358 | $421.0K | 0.00% | +4,907+25.2% | Added |
| Alps Advisors Inc | 24,976 | $431.7K | 0.00% | +2,512+11.2% | Added |
| Sterling Capital Management LLC | 25,300 | $437.3K | 0.01% | +4,422+21.2% | Added |
| Advisor Group Holdings, Inc. | 26,189 | $459.6K | 0.00% | +2,053+8.5% | Added |
| Los Angeles Capital Management LLC | 28,113 | $485.9K | 0.00% | −4,521−13.9% | Reduced |
| Franklin Resources Inc | 28,116 | $486.0K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 28,201 | $487.5K | 0.03% | +31+0.1% | Added |
| First Trust Advisors LP | 29,166 | $504.1K | 0.00% | +229+0.8% | Added |
| MetLife Investment Management | 29,565 | $511.0K | 0.00% | +4,063+15.9% | Added |
| Prudential Financial Inc | 29,910 | $516.8K | 0.00% | +580+2.0% | Added |
| R Squared Ltd | 30,899 | $534.1K | 0.23% | +6,598+27.2% | Added |
| MQS Management LLC | 31,654 | $547.1K | 0.32% | +31,654 | New |