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.
Holders of 5% or more of DCO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ducommun Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 8.10%1.20M shares | – | Apr 24, 20251 filing | Apr 24, 2025 | SEC |
| State Street Corp | 13G | 5.20%785.5K shares | New | May 12, 20261 filing | May 12, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
7 Schedule 13D and 13G filings on Ducommun Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 12, 202610:41 AM ET | State Street Corp | 13G | 5.20%785.5K shares | New | Mar 31, 2026 | SEC |
| Apr 9, 20261:42 PM ET | Dimensional Fund Advisors LP | 13G/A | 3.40%512.2K shares | −2.40 ppfrom 5.80%Below 5% | Mar 31, 2026 | SEC |
| Mar 26, 20266:06 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Mar 10, 20264:03 PM ET | Gamco Investors, Inc. Et Aland 7 others | 13D/A | 3.20%471.6K shares | –Below 5% | Mar 9, 2026 | SEC |
| Oct 9, 20251:48 PM ET | Dimensional Fund Advisors LP | 13G/A | 5.80%858.8K shares | – | Sep 30, 2025 | SEC |
| Apr 24, 20259:20 AM ET | BlackRock, Inc. | 13G/A | 8.10%1.20M shares | – | Mar 31, 2025 | SEC |
| Feb 10, 20255:22 PM ET | Albion River Management LLCand 2 others | 13G/A | 0.00%0 shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Ducommun Inc shares.
No Form 144 notices for Ducommun Inc are on file.