Ducommun Inc
DCO- Exchange
- NYSE
- Industry
- Aircraft Parts & Auxiliary Equipment, NEC
- SEC CIK
- 0000030305
In the last 90 days, Ducommun Inc insiders filed 0 open-market purchases and 2 sales; 269 institutions reported holding it in 13F filings for Q2 2026, worth $2.67B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Ducommun Inc as of Dec 31, 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
- 207
- +5 vs. Q3 2025
- Shares held
- 13.3M
- +131.1K (+1.0%) vs. Q3 2025
- Total value
- $1.27B
- +$151.8K (0.0%) vs. Q3 2025
- New holders
- 32
- 66 more added
- Sold out
- 27
- 76 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting DCO 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 | 269 | $2.67B |
| Q1 2026 | 224 | $1.65B |
| Q4 2025 | 207 | $1.27B |
| Q3 2025 | 203 | $1.27B |
| Q2 2025 | 179 | $1.09B |
| Q1 2025 | 172 | $755.1M |
| Q4 2024 | 171 | $816.8M |
| Q3 2024 | 148 | $762.8M |
| Q2 2024 | 136 | $667.9M |
| Q1 2024 | 129 | $601.3M |
| Q4 2023 | 132 | $662.2M |
| Q3 2023 | 122 | $565.2M |
| Q2 2023 | 135 | $545.5M |
| Q1 2023 | 134 | $558.4M |
| Q4 2022 | 125 | $504.2M |
| Q3 2022 | 114 | $401.2M |
| Q2 2022 | 120 | $440.7M |
| Q1 2022 | 126 | $530.4M |
| Q4 2021 | 113 | $471.6M |
| Q3 2021 | 106 | $497.7M |
| Q2 2021 | 110 | $534.7M |
| Q1 2021 | 113 | $593.9M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Ducommun Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brown Advisory Inc | 433,585 | $41.2M | 0.06% | −35,545−7.6% | Reduced |
| Gamco Investors, Inc. Et Al | 517,100 | $49.2M | 0.47% | −33,316−6.1% | Reduced |
| State Street Corp | 670,966 | $63.8M | 0.00% | +63,070+10.4% | Added |
| Dimensional Fund Advisors LP | 749,513 | $71.3M | 0.01% | −109,266−12.7% | Reduced |
| Paradigm Capital Management Inc | 770,500 | $73.3M | 3.09% | 00.0% | Unchanged |
| Vanguard Group Inc | 842,368 | $80.1M | 0.00% | +19,143+2.3% | Added |
| BlackRock, Inc. | 1,682,647 | $160.1M | 0.00% | −8,436−0.5% | Reduced |
| EAM Investors, LLC | 0 | $0 | 0.00% | −39,801−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −39,092−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −12,438−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −7,986−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −6,103−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −5,426−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −4,757−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −4,444−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −3,560−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −3,352−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −2,900−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −2,774−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −2,417−100.0% | Sold out |
| Longboard Asset Management, LP | 0 | $0 | 0.00% | −2,302−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −2,218−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,408−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −1,251−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −114−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| AMH Equity Ltd | – | – | – | – | Not filed |