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 2026
Institutional positions in Old Second Bancorp Inc as of Jun 30, 2026. 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
- 184
- −1 vs. Q1 2026
- Shares held
- 38.8M
- +1.11M (+2.9%) vs. Q1 2026
- Total value
- $903.3M
- +$143.3M (+18.9%) vs. Q1 2026
- New holders
- 19
- 78 more added
- Sold out
- 20
- 47 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Old Second Bancorp Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mercer Global Advisors Inc | 20,591 | $480.2K | 0.00% | +3,852+23.0% | Added |
| Nicolet Bankshares Inc | 20,210 | $469.3K | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Inc | 19,309 | $450.3K | 0.00% | +26+0.1% | Added |
| Savant Capital, LLC | 20,218 | $439.6K | 0.00% | +10,130+100.4% | Added |
| New York State Common Retirement Fund | 18,766 | $437.6K | 0.00% | +4,400+30.6% | Added |
| BNP Paribas Arbitrage, SA | 18,727 | $436.7K | 0.00% | +4,977+36.2% | Added |
| 4WEALTH Advisors, Inc. | 18,300 | $424.7K | 0.33% | −350−1.9% | Reduced |
| Ameriprise Financial Inc | 17,570 | $409.7K | 0.00% | −5,724−24.6% | Reduced |
| Centennial Wealth Advisory LLC | 17,556 | $409.4K | 0.09% | +49+0.3% | Added |
| Public Employees Retirement Association of Colorado | 17,258 | $402.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 17,223 | $401.6K | 0.00% | −605−3.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 16,728 | $390.1K | 0.01% | −35,848−68.2% | Reduced |
| Cetera Investment Advisers | 15,802 | $368.5K | 0.00% | +4,100+35.0% | Added |
| Kestra Advisory Services, LLC | 14,958 | $348.8K | 0.00% | +49+0.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 14,232 | $331.9K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,193 | $331.0K | 0.00% | 00.0% | Unchanged |
| Sentinel Trust Co Lba | 14,051 | $328.0K | 0.03% | 00.0% | Unchanged |
| Arizona State Retirement System | 13,812 | $322.1K | 0.00% | +69+0.5% | Added |
| Princeton Capital Management LLC | 13,770 | $321.1K | 0.07% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 13,405 | $312.6K | 0.01% | +11,734+702.2% | Added |
| Captrust Financial Advisors | 13,309 | $310.4K | 0.00% | −4,811−26.6% | Reduced |
| State Board of Administration of Florida Retirement System | 12,390 | $288.9K | 0.00% | 00.0% | Unchanged |
| Black Maple Capital Management LP | 12,000 | $279.8K | 0.19% | −27,224−69.4% | Reduced |
| SRS Capital Advisors, Inc. | 11,778 | $274.7K | 0.00% | +10,358+729.4% | Added |
| Virtu Financial LLC | 11,758 | $274.0K | 0.01% | +11,758 | New |
| Stratos Wealth Partners, LTD. | 11,663 | $272.0K | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 11,000 | $256.5K | 0.10% | 00.0% | Unchanged |
| Hohimer Wealth Management, LLC | 10,957 | $255.5K | 0.03% | +45+0.4% | Added |
| SG Americas Securities, LLC | 10,863 | $253.0K | 0.00% | −508−4.5% | Reduced |
| KLP Kapitalforvaltning AS | 10,700 | $249.5K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 10,636 | $248.0K | 0.00% | +10,636 | New |
| Intech Investment Management LLC | 10,560 | $246.3K | 0.00% | −1,422−11.9% | Reduced |
| J.W. Cole Advisors, Inc. | 10,509 | $245.1K | 0.00% | +10,509 | New |
| Cerity Partners LLC | 10,472 | $244.2K | 0.00% | −65−0.6% | Reduced |
| Vanguard Investments Australia, Ltd. | 10,395 | $242.4K | 0.00% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 9,099 | $212.2K | 0.00% | +9,099 | New |
| VERITY Wealth Advisors | 8,815 | $205.6K | 0.12% | +8,815 | New |
| GWM Advisors LLC | 8,660 | $202.0K | 0.00% | +8,660 | New |
| TSFG, LLC | 7,125 | $166.0K | 0.02% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 6,320 | $147.4K | 0.00% | +21+0.3% | Added |
| Great West Life Assurance Co | 5,637 | $131.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 5,475 | $127.7K | 0.00% | +699+14.6% | Added |
| Parkside Financial Bank & Trust | 4,484 | $104.6K | 0.01% | −121−2.6% | Reduced |
| Ameritas Investment Partners, Inc. | 4,314 | $100.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,934 | $68.4K | 0.00% | +443+17.8% | Added |
| Versant Capital Management, Inc | 2,751 | $64.2K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 2,622 | $61.2K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 1,771 | $41.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 1,347 | $31.4K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1,053 | $24.6K | 0.00% | +1,017+2,825.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,045 | $24.4K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 1,002 | $23.4K | 0.00% | +17+1.7% | Added |
| Sfam, LLC | 992 | $23.1K | 0.02% | −4,835−83.0% | Reduced |
| EverSource Wealth Advisors, LLC | 937 | $21.9K | 0.00% | −625−40.0% | Reduced |
| IFP Advisors, Inc | 797 | $18.6K | 0.00% | +14+1.8% | Added |
| GAMMA Investing LLC | 650 | $15.2K | 0.00% | +11+1.7% | Added |
| Allworth Financial LP | 566 | $13.2K | 0.00% | +58+11.4% | Added |
| Covestor Ltd | 566 | $13.0K | 0.01% | +80+16.5% | Added |
| Essential Partners LLC | 540 | $12.6K | 0.01% | −667−55.3% | Reduced |
| Northwestern Mutual Wealth Management Co | 400 | $9.33K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 369 | $8.61K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 297 | $6.93K | 0.00% | +14+4.9% | Added |
| Huntington National Bank | 288 | $6.72K | 0.00% | +288 | New |
| Farther Finance Advisors, LLC | 232 | $5.41K | 0.00% | −32−12.1% | Reduced |
| Signaturefd, LLC | 215 | $5.01K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 211 | $4.92K | 0.00% | +211 | New |
| Danske Bank A/S | 200 | $4.66K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 178 | $4.15K | 0.00% | −8−4.3% | Reduced |
| Quarry LP | 163 | $3.80K | 0.00% | −117−41.8% | Reduced |
| Smartleaf Asset Management LLC | 159 | $3.69K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 155 | $3.62K | 0.00% | +155 | New |
| Larson Financial Group LLC | 128 | $2.98K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 123 | $2.87K | 0.00% | −142−53.6% | Reduced |
| Keating Financial Advisory Services, Inc. | 76 | $1.77K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 64 | $1.49K | 0.00% | −28−30.4% | Reduced |
| Bruce G. Allen Investments, LLC | 49 | $1.14K | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 44 | $1.03K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 43 | $1.00K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 24 | $560 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 15 | $350 | 0.00% | +15 | New |
| TD Private Client Wealth LLC | 12 | $280 | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 5 | $117 | 0.00% | +5 | New |
| SJS Investment Consulting Inc. | 5 | $117 | 0.00% | +5 | New |
| GHP Investment Advisors, Inc. | 1 | $24 | 0.00% | 00.0% | Unchanged |
| Jacobs Asset Management, LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −51,428−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −41,087−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −38,533−100.0% | Sold out |
| Gamco Investors, Inc. Et Al | 0 | $0 | 0.00% | −32,721−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −31,475−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −26,934−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −21,243−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −17,860−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −15,821−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −13,706−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −13,425−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −11,590−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −11,467−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −10,590−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −2,523−100.0% | Sold out |