DCO
Ducommun Incorporated · Industrials · Aerospace & Defense
Momentum inputs (comparable managers):
holder breadth +5.4% ·
share flow +8.9% ·
net new positions +5.2%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 100 | +7 | 9.93M | $1.82B | +12 | −6 |
| 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 | — | −1 |
| Q4 2024 | 13 | +3 | 2.09M | $133.05M | +3 | — |
| Q3 2024 | 9 | +1 | 1.32M | $87.02M | +1 | — |
| Q2 2024 | 8 | — | 1.23M | $71.23M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 1.77M | +5.2% | $215.85M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | State Street Global Advisors ✦ (passive) | 785.54K | +17.1% | $95.84M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 16 | Vanguard Capital Management Llc | 612.94K | — | $74.78M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Dimensional Fund Advisors Lp | 512.17K | -31.7% | $62.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 512.17K | -31.7% | $62.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 512.17K | -31.7% | $62.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 512.17K | -31.7% | $62.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 512.17K | -31.7% | $62.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | GAMCO Investors ✦ | 449.46K | -13.1% | $54.83M | 0.5% | ▼ Trim | 8 | SEC ↗ |
| 23 | Brown Advisory Inc | 349.29K | -19.4% | $42.61M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | Brown Advisory Inc | 349.29K | -19.4% | $42.61M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 25 | Geode Capital Management ✦ (passive) | 334.95K | +0.5% | $40.87M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 26 | Geode Capital Management ✦ (passive) | 334.95K | +0.5% | $40.87M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 27 | Victory Capital Management Inc | 330.10K | +2337.4% | $40.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Deutsche Bank Ag\ | 302.23K | +34.1% | $36.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Deutsche Bank Ag\ | 302.23K | +34.1% | $36.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Deutsche Bank Ag\ | 302.23K | +34.1% | $36.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Loomis Sayles & Co L P | 252.53K | -7.7% | $30.81M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Loomis Sayles & Co L P | 252.53K | -7.7% | $30.81M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 33 | Nuveen, LLC | 249.66K | +333.4% | $30.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Nuveen, LLC | 249.66K | +333.4% | $30.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Nuveen, LLC | 249.66K | +333.4% | $30.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | American Century Companies Inc | 225.80K | +82.5% | $27.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Ameriprise Financial Inc | 217.47K | +4512.3% | $26.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Ameriprise Financial Inc | 217.47K | +4512.3% | $26.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Ameriprise Financial Inc | 217.47K | +4512.3% | $26.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Ameriprise Financial Inc | 217.47K | +4512.3% | $26.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Aberdeen Group plc | 204.34K | -6.5% | $24.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | Aberdeen Group plc | 204.34K | -6.5% | $24.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Charles Schwab Investment… | 183.64K | -4.0% | $22.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Alliancebernstein L.P. | 224.72K | -22.8% | $21.38M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 45 | Goldman Sachs Group ✦ | 162.56K | +72.3% | $19.83M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Goldman Sachs Group ✦ | 162.56K | +72.3% | $19.83M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Goldman Sachs Group ✦ | 162.56K | +72.3% | $19.83M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Fidelity (FMR) ✦ | 155.36K | +17.5% | $18.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 49 | Fidelity (FMR) ✦ | 155.36K | +17.5% | $18.95M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 50 | First Eagle Investment Management… | 153.78K | -15.2% | $18.76M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Invesco Ltd. | 149.97K | +12.4% | $18.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Invesco Ltd. | 149.97K | +12.4% | $18.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Invesco Ltd. | 149.97K | +12.4% | $18.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Invesco Ltd. | 149.97K | +12.4% | $18.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 134.43K | +27.8% | $16.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Northern Trust Corp | 119.70K | +4.5% | $14.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Northern Trust Corp | 119.70K | +4.5% | $14.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Northern Trust Corp | 119.70K | +4.5% | $14.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Northern Trust Corp | 119.70K | +4.5% | $14.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Wcm Investment Management, Llc | 121.77K | -3.9% | $14.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Wells Fargo & Company/Mn | 113.58K | -8.3% | $13.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Wells Fargo & Company/Mn | 113.58K | -8.3% | $13.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Wells Fargo & Company/Mn | 113.58K | -8.3% | $13.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Millennium Management ✦ | 108.59K | -7.1% | $13.25M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 71 | Two Sigma Investments ✦ | 101.18K | +66.7% | $12.34M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 72 | Mitsubishi UFJ Asset Management… | 86.26K | +37.4% | $10.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Wellington Management ✦ | 69.83K | -32.8% | $8.52M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 74 | Wellington Management ✦ | 69.83K | -32.8% | $8.52M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 75 | Wellington Management ✦ | 69.83K | -32.8% | $8.52M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 76 | Qube Research & Technologies Ltd | 66.05K | -19.5% | $8.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 50.64K | +18.6% | $6.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Bank Of America Corp /De/ | 50.64K | +18.6% | $6.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Bank Of America Corp /De/ | 50.64K | +18.6% | $6.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Bank Of America Corp /De/ | 50.64K | +18.6% | $6.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Sei Investments Co | 48.84K | +122.8% | $5.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Sei Investments Co | 48.84K | +122.8% | $5.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Jane Street Group, Llc | 48.80K | +75.2% | $5.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Jane Street Group, Llc | 48.80K | +75.2% | $5.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | AQR Capital Management ✦ | 47.94K | +40.0% | $5.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 86 | AQR Capital Management ✦ | 47.94K | +40.0% | $5.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 87 | AQR Capital Management ✦ | 47.94K | +40.0% | $5.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 88 | AQR Capital Management ✦ | 47.94K | +40.0% | $5.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 89 | AQR Capital Management ✦ | 47.94K | +40.0% | $5.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 90 | Renaissance Technologies ✦ | 47.20K | -47.4% | $5.76M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 45.63K | -1.4% | $5.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 45.63K | -1.4% | $5.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 45.63K | -1.4% | $5.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 45.63K | -1.4% | $5.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 45.63K | -1.4% | $5.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | Commonwealth Equity Services, Llc | 45.00K | -1.8% | $5.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Bnp Paribas Financial Markets | 43.97K | +218.1% | $5.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | UBS Group AG | 43.40K | +23.4% | $5.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | UBS Group AG | 43.40K | +23.4% | $5.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | UBS Group AG | 43.40K | +23.4% | $5.29M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| D. E. Shaw & Co. | $2.43M | was 0.0% |
| Tudor Investment Corp Et Al | $1.23M | was 0.0% |
| Cerity Partners LLC | $964,904 | was 0.0% |
| Point72 Asset Management | $779,305 | was 0.0% |
| Balyasny Asset Management L.P. | $250,002 | was 0.0% |
| Group One Trading Llc | $9,513 | 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