Ducommun Incorporated
Ducommun Incorporated (DCO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DCO · as of Mar 31, 2025
Ownership Breakdown
171
Institutional Holders
▼ 2 vs Q4
$755.13M
Total Inst. Value
▼ $61.70M vs Q4
15.09M
Shares Outstanding
freeFloat 95.93%
13.01M
13F Shares Held
▲ 178,175 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
DCO largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. aircraft parts & auxiliary equipment, nec | 1.87M | 12.56% | 12.56% | $108.32B | May 2, 2025 | ▲ 164.4K |
PARADIGM CAPITAL MANAGEMENT INC/NY aircraft parts & auxiliary equipment, nec | 1.02M | 6.85% | 6.85% | $59.03B | May 15, 2025 | ▼ 66.9K |
DIMENSIONAL FUND ADVISORS LP aircraft parts & auxiliary equipment, nec | 989.8K | 6.66% | 6.66% | $57.44B | May 13, 2025 | ▼ 33.2K |
VANGUARD GROUP INC aircraft parts & auxiliary equipment, nec | 767.4K | 5.17% | 5.17% | $44.53B | May 9, 2025 | ▲ 18.4K |
RDST CAPITAL LLC aircraft parts & auxiliary equipment, nec | 628.8K | 4.23% | 4.23% | $36.49B | May 15, 2025 | ▲ 71.5K |
STATE STREET CORP aircraft parts & auxiliary equipment, nec | 588.9K | 3.96% | 3.96% | $34.17B | May 15, 2025 | ▲ 65.7K |
GAMCO INVESTORS, INC. ET AL aircraft parts & auxiliary equipment, nec | 588.3K | 3.96% | 3.96% | $34.14B | May 14, 2025 | ▲ 6.6K |
ROYAL BANK OF CANADA aircraft parts & auxiliary equipment, nec | 341.1K | 2.30% | 2.30% | $19.80B | Nov 21, 2025 | ▼ 20.2K |
GEODE CAPITAL MANAGEMENT, LLC aircraft parts & auxiliary equipment, nec | 319.4K | 2.15% | 2.15% | $18.54B | May 13, 2025 | ▲ 9.2K |
GW&K INVESTMENT MANAGEMENT, LLC aircraft parts & auxiliary equipment, nec | 306.4K | 2.06% | 2.06% | $17.78B | May 5, 2025 | ▼ 9.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
22
Increased
+650.2K shares3
New Positions
first time holders23
Decreased
−431.3K shares0
Sold Out
fully exitedNet shares change (top 50)
+218.9K
+650.2K / −431.3K
Net new holders
+2
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
DCO insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
9
Buy transactions
30
Sell transactions
0.30
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Gonzalez Laureen S. V.P., CHRO | May 28, 2026 | Sale | 589 | $151.99 | $89.5K | 11.2K | Form 4 ↗ |
Oswald Stephen G Chairman, President & CEO | May 28, 2026 | Gift | 2,034 | — | — | 387.8K | Form 4 ↗ |
Strycker Samara A director | May 27, 2026 | Award | 1,200 | — | — | 10.7K | Form 4 ↗ |
Kramer Sheila G. director | May 27, 2026 | Award | 1,200 | — | — | 11.7K | Form 4 ↗ |
Korte Daniel G. director | May 27, 2026 | Award | 1,200 | — | — | 4.3K | Form 4 ↗ |
Drazba Shirley director | May 27, 2026 | Award | 1,200 | — | — | 18.1K | Form 4 ↗ |
Caylor Mark A director | May 27, 2026 | Award | 1,200 | — | — | 1.2K | Form 4 ↗ |
Carter David B. director | May 27, 2026 | Award | 1,200 | — | — | 6.9K | Form 4 ↗ |
BOEHLE DANIEL L. director | May 27, 2026 | Award | 1,200 | — | — | 4.3K | Form 4 ↗ |
Mookerji Suman B. Sr. V.P., C.F.O. | May 20, 2026 | Sale | 1,514 | $145.00 | $219.5K | 25.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Ducommun Incorporated (DCO) is primarily owned by institutional investors, who hold approximately 86.3% of total shares outstanding. Company insiders own approximately 4.07%, while retail and public investors account for the remaining 9.68%.
The largest institutional shareholder of Ducommun Incorporated is BLACKROCK, INC., holding approximately 1.87 million shares — equal to 12.56% of outstanding shares — as of March 31, 2025.
A total of 171 institutional investors currently hold DCO stock, with a combined institutional value of approximately $755,125,124 as of the most recent 13F filing period.
Frequently asked questions
DCO ownershipDucommun Incorporated (DCO) is primarily owned by institutional investors, who hold approximately 86.3% of shares. The largest shareholder is BLACKROCK, INC. with a 12.56% stake. Company insiders hold 4.07%. Data sourced from SEC Form 13F as of March 31, 2025.