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Ducommun Inc DCO

US equityMarket cap rank #2593Aerospace & Defense
$172.85 −$2.54 (-1.45%)
Pre-market · Oct 6, 4:10 am ET · After hours $172.85 0.00%
Open$173.37
Prev close$175.39
Day range$171.55 – $176.39
Volume179.1K
Market cap$2.61B
P/E (TTM)–
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership99.6%-0.22 pts vs. prior quarter
Institutions holding316+3 vs. prior quarter
Insider trades (recent)14 buys / 35 sellsNet selling
Short interest5.67% of floatDays to cover 3.9 · as of 15 Sep 2026
Short-sale volume share23.2%5-day average of daily volume

Short-sale volume as % of daily volume

15%20%24%29%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$333.0K (11 inflow days, 9 outflow days).

The five largest holders on file together own 34.1% of shares outstanding.

Largest holders

  • BlackRock12.85%
  • State Street Global Advisors6.26%
  • FMR5.10%
  • Paradigm Capital Management, Inc.5.10%
  • Vanguard Capital Management, LLC4.81%
  • GAMCO Investors, Inc.3.48%
  • Van Eck Associates Corporation2.83%
  • Stephen Oswald2.54%

By investor type

  • Mutual Fund88.09%
  • Hedge Fund5.65%
  • Individual/Insider3.91%
  • Public Company2.68%
  • Government Pension Fund1.13%
  • Private Company0.62%
  • Insurance Company0.57%
  • Family Office/Trust0.42%

Reported short interest has risen from 5.59% to 5.67% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 855,544 5.7% 3.9
31 Aug 2026 754,990 5.0% 3.9
14 Aug 2026 758,863 5.0% 3.0
31 Jul 2026 813,034 5.4% 2.5
15 Jul 2026 711,276 4.7% 2.3
30 Jun 2026 843,397 5.6% 2.4

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