Skip to main content

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, Q3 2025

Institutional positions in Ducommun Inc as of Sep 30, 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
203
+26 vs. Q2 2025
Shares held
13.2M
+146.8K (+1.1%) vs. Q2 2025
Total value
$1.27B
+$188.0M (+17.3%) vs. Q2 2025
New holders
40
76 more added
Sold out
14
60 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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.

Institutional holdersQ3 2025: 203 institutions
Q1 2021: 113 institutionsQ2 2021: 110 institutionsQ3 2021: 106 institutionsQ4 2021: 113 institutionsQ1 2022: 126 institutionsQ2 2022: 120 institutionsQ3 2022: 114 institutionsQ4 2022: 125 institutionsQ1 2023: 134 institutionsQ2 2023: 135 institutionsQ3 2023: 122 institutionsQ4 2023: 132 institutionsQ1 2024: 129 institutionsQ2 2024: 136 institutionsQ3 2024: 148 institutionsQ4 2024: 171 institutionsQ1 2025: 172 institutionsQ2 2025: 179 institutionsQ3 2025: 203 institutionsQ4 2025: 207 institutionsQ1 2026: 224 institutionsQ2 2026: 269 institutions
Value heldQ3 2025: $1.27B
Q1 2021: $593.9MQ2 2021: $534.7MQ3 2021: $497.7MQ4 2021: $471.6MQ1 2022: $530.4MQ2 2022: $440.7MQ3 2022: $401.2MQ4 2022: $504.2MQ1 2023: $558.4MQ2 2023: $545.5MQ3 2023: $565.2MQ4 2023: $662.2MQ1 2024: $601.3MQ2 2024: $667.9MQ3 2024: $762.8MQ4 2024: $816.8MQ1 2025: $755.1MQ2 2025: $1.09BQ3 2025: $1.27BQ4 2025: $1.27BQ1 2026: $1.65BQ2 2026: $2.67B
Institutions holding DCO and their total value by quarter
QuarterHoldersValue
Q2 2026269$2.67B
Q1 2026224$1.65B
Q4 2025207$1.27B
Q3 2025203$1.27B
Q2 2025179$1.09B
Q1 2025172$755.1M
Q4 2024171$816.8M
Q3 2024148$762.8M
Q2 2024136$667.9M
Q1 2024129$601.3M
Q4 2023132$662.2M
Q3 2023122$565.2M
Q2 2023135$545.5M
Q1 2023134$558.4M
Q4 2022125$504.2M
Q3 2022114$401.2M
Q2 2022120$440.7M
Q1 2022126$530.4M
Q4 2021113$471.6M
Q3 2021106$497.7M
Q2 2021110$534.7M
Q1 2021113$593.9M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Ducommun Inc; share changes are against Q2 2025.

Institutions holding DCO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc823,225$79.1M0.00%+16,985+2.1%Added
Dimensional Fund Advisors LP858,779$82.6M0.02%−107,792−11.2%Reduced
BlackRock, Inc.1,691,083$162.6M0.00%−120,956−6.7%Reduced
Citadel Advisors LLC0$00.00%−51,790−100.0%Sold out
Roubaix Capital, LLC0$00.00%−51,104−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−11,483−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−8,504−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−3,207−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−2,584−100.0%Sold out
Wexford Capital LP0$00.00%−1,114−100.0%Sold out
Traub Capital Management LLC0$00.00%−420−100.0%Sold out
Bellwether Advisors, LLC0$00.00%−65−100.0%Sold out
IFP Advisors, Inc0$00.00%0Sold out
Global Retirement Partners, LLC0$00.00%−23−100.0%Sold out
Skopos Labs, Inc.0$00.00%−17−100.0%Sold out
Stephens Consulting, LLC0$00.00%−1−100.0%Sold out
Bessemer Group Inc0$00.00%−4−100.0%Sold out
Teton Advisors, Inc.––––Not filed
First Horizon Advisors, Inc.––––Not filed