BlackRock Portfolio Management LLC filed a Schedule 13G with the SEC on October 27, 2026, disclosing beneficial ownership of 799,271 shares of Ducommun Incorporated common stock, representing 5.3% of the class, as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock Portfolio Management LLC reported 799,271 shares of Ducommun common stock beneficially owned as of September 30, 2026.
  • Percent of class: The reported position equals 5.3% of outstanding Ducommun common stock, according to the filing.
  • Sole voting power: The filing discloses sole voting power over 702,261 shares, with shared voting power of zero.
  • Sole dispositive power: BlackRock Portfolio Management LLC holds sole dispositive power over all 799,271 shares, with no shared dispositive power reported.
  • Filer classification: The reporting entity is designated as a parent holding company (type "HC") organized in Delaware, operating from 50 Hudson Yards, New York, NY 10001.
  • No single controlling interest: The filing states that "no one person's interest in the common stock of Ducommun Inc is more than five percent of the total outstanding common shares" among those with rights to dividends or sale proceeds.

BlackRock Portfolio Management's Reported Stake in Ducommun, an Aerospace Manufacturer

Ducommun Incorporated, headquartered at 600 Anton Boulevard, Suite 1100, Costa Mesa, CA 92626, is the issuer of the common stock covered by this Schedule 13G filing. Ducommun operates as an aerospace and defense manufacturer, and its common stock carries CUSIP number 264147109. The filing was triggered by an event dated September 30, 2026, which caused BlackRock Portfolio Management LLC to cross the threshold requiring a 13G disclosure.

According to the filing, BlackRock Portfolio Management LLC submitted this Schedule 13G in its capacity as a parent holding company, acting on behalf of certain business units collectively called the "Reporting Business Units" of BlackRock, Inc. and its subsidiaries and affiliates. The filing notes that it "does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units" in accordance with SEC Release No. 34-39538 dated January 12, 1998. The relevant subsidiary detail is provided in the filing's Exhibit 99.

The certification signed by Spencer Fleming, Managing Director, affirms that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control" of Ducommun. The filing lists NYSE as the exchange and the ticker symbol for Ducommun is DCO, consistent with the cover page of the filing. The Schedule 13G was dated October 27, 2026.

What Was Disclosed

BlackRock Portfolio Management LLC disclosed beneficial ownership of 799,271 shares of Ducommun Incorporated common stock, equal to 5.3% of the class, as of September 30, 2026, with sole voting power over 702,261 shares and sole dispositive power over the full 799,271 shares.