Security record · archived quarter
OSBC
Old Second Bancorp, Inc. · Financial Services · Banks - Regional
19Tracked holders
0Δ holders
14.70MShares held
$254.02MReported value
+1New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +8.5% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 76 | -7 | 26.35M | $612.20M | +2 | −9 |
| Q1 2026 | 86 | +3 | 25.75M | $518.74M | +6 | −3 |
| Q4 2025 | 83 | 0 | 26.46M | $516.04M | +2 | −2 |
| Q3 2025 | 19 | 0 | 14.70M | $254.02M | +1 | −1 |
| Q2 2025 | 16 | -2 | 10.11M | $179.35M | — | −2 |
| Q1 2025 | 15 | +2 | 4.21M | $70.01M | +2 | — |
| Q4 2024 | 13 | 0 | 4.39M | $78.07M | +1 | −1 |
| Q3 2024 | 12 | +1 | 2.37M | $37.00M | +1 | — |
| Q2 2024 | 11 | — | 2.48M | $36.78M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.82M | +9.0% | $65.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | The Vanguard Group ✦ (passive) | 3.27M | +20.4% | $56.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 3.27M | +20.4% | $56.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 3.27M | +20.4% | $56.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 3.27M | +20.4% | $56.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 3.27M | +20.4% | $56.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 1.56M | — | $26.96M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Goldman Sachs Group ✦ | 1.56M | — | $26.94M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Goldman Sachs Group ✦ | 1.56M | — | $26.94M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Goldman Sachs Group ✦ | 1.56M | — | $26.94M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | State Street Global Advisors ✦ (passive) | 1.37M | +4.7% | $23.64M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 1.36M | +18.4% | $23.57M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 1.36M | +18.4% | $23.57M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 518.10K | -0.5% | $8.96M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 518.10K | -0.5% | $8.96M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 518.10K | -0.5% | $8.96M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 518.10K | -0.5% | $8.96M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 518.10K | -0.5% | $8.96M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 309.90K | — | $5.36M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Arrowstreet Capital ✦ | 216.90K | +1.7% | $3.75M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 45 | Two Sigma Investments ✦ | 187.79K | +54.6% | $3.25M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 46 | Wellington Management ✦ | 156.11K | 0.0% | $2.70M | 0.0% | Held | 6 | SEC ↗ |
| 47 | Fisher Asset Management ✦ | 102.50K | -5.1% | $1.77M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 48 | Citadel Advisors ✦ | 77.59K | +49.9% | $1.34M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 49 | Renaissance Technologies ✦ | 49.12K | -40.6% | $849,126 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 50 | Point72 Asset Management ✦ | 47.67K | +146.5% | $824,010 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 51 | GAMCO Investors ✦ | 32.72K | New | $565,582 | 0.0% | New | 1 | SEC ↗ |
| 52 | T. Rowe Price ✦ | 32.24K | +17.9% | $558,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 53 | T. Rowe Price ✦ | 32.24K | +17.9% | $558,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 54 | Fidelity (FMR) ✦ | 15.61K | -51.2% | $269,803 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Fidelity (FMR) ✦ | 15.61K | -51.2% | $269,803 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | D. E. Shaw & Co. ✦ | 12.17K | -72.3% | $210,289 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| GAMCO Investors | $565,582 | 0.0% |
Exited
| Millennium Management | $1.02M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 187 holders, 37.08M shares, $741.50M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 12
Eccher James
Officer, Director · 19.31K sh · $494,701
Aug 11
Eccher James
Officer, Director · 55.69K sh · $1.42M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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