DCO
Ducommun Incorporated · Industrials · Aerospace & Defense
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -2.1% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 7.10K | $212,410 | n/a | −1 |
| Q2 2026 | 99 | +7 | 9.91M | $1.82B | +12 | −7 |
| Q1 2026 | 97 | +5 | 9.64M | $1.17B | +11 | −6 |
| Q4 2025 | 92 | 0 | 9.09M | $864.78M | +2 | −2 |
| Q3 2025 | 18 | 0 | 4.77M | $458.46M | +1 | −1 |
| Q2 2025 | 15 | 0 | 4.69M | $387.82M | +1 | −1 |
| Q1 2025 | 12 | -1 | 2.07M | $120.31M | n/a | −1 |
| Q4 2024 | 13 | +3 | 2.09M | $133.05M | +3 | n/a |
| Q3 2024 | 9 | +1 | 1.32M | $87.02M | +1 | n/a |
| Q2 2024 | 8 | n/a | 1.23M | $71.23M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 1.69M | -6.7% | $162.56M | 0.0% | ▼ Trim | 2 | SEC ↗ ×13 |
| 2 | The Vanguard Group ✦ (passive) | 823.23K | +2.1% | $79.14M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 607.90K | +24.9% | $58.44M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | GAMCO Investors ✦ | 550.42K | -12.2% | $52.91M | 0.5% | ▼ Trim | 6 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 327.47K | +0.7% | $31.48M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 6 | Renaissance Technologies ✦ | 146.08K | +4.9% | $14.04M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 109.02K | +29.5% | $10.48M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 8 | Wellington Management ✦ | 102.14K | -48.6% | $9.82M | 0.0% | ▼ Trim | 5 | SEC ↗ ×3 |
| 9 | Morgan Stanley ✦ | 79.40K | n/a | $7.63M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 10 | Two Sigma Investments ✦ | 72.74K | +839.7% | $6.99M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 11 | Goldman Sachs Group ✦ | 71.07K | n/a | $6.83M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 12 | D. E. Shaw & Co. ✦ | 47.49K | +47.1% | $4.57M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | Marshall Wace ✦ | 39.09K | -45.4% | $3.76M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 14 | AQR Capital Management ✦ | 33.74K | -14.8% | $3.24M | 0.0% | ▼ Trim | 6 | SEC ↗ ×5 |
| 15 | Millennium Management ✦ | 31.82K | +612.6% | $3.06M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 16 | JPMorgan Chase ✦ | 26.47K | n/a | $2.54M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 17 | T. Rowe Price ✦ | 7.54K | +9.3% | $725,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 18 | Bridgewater Associates ✦ | 2.42K | New | $232,346 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Bridgewater Associates | $232,346 | 0.0% |
Exited
| Citadel Advisors | $4.28M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 222 holders, 13.57M shares, $1.55B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
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)
Officer, Director · 2.50K sh · $509,875
Officer, Director · 5.77K sh · $1.16M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology