Ducommun Incorporated (DCO) ownership: Top institutional holder: BlackRock, Inc. ($215.85M). Insider activity: Net Seller (0 buys, 20 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 1769223.00 | $215.85M | 2026-03-31 |
| STATE STREET CORP | 785541.00 | $95.84M | 2026-03-31 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 770500.00 | $94.00M | 2026-03-31 |
| VANGUARD GROUP INC | 842368.00 | $80.13M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 612941.00 | $74.78M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 512167.00 | $62.48M | 2026-03-31 |
| GAMCO INVESTORS, INC. ET AL | 449461.00 | $54.83M | 2026-03-31 |
| BROWN ADVISORY INC | 349286.00 | $42.61M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-27 | |
| Sell | null | 2026-05-27 | |
| Sell | null | 2026-05-27 | |
| Sell | null | 2026-05-27 | |
| Sell | null | 2026-05-27 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.