Vanguard Capital Management Discloses New 5.02% Stake in Great Lakes Dredge & Dock Corp

Vanguard Capital Management LLC filed a Schedule 13G on April 30, 2026, disclosing a new 5.02% ownership stake in Great Lakes Dredge & Dock Corp (GLDD). The filing indicates that as of the event date on March 31, 2026, Vanguard beneficially owned 3,356,323 shares of common stock. This position represents a significant increase from a previously reported 0% holding, crossing the 5% threshold required for beneficial ownership reporting. The shares are held in the ordinary course of business by Vanguard Capital Management and its affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. Of the total shares, Vanguard reported sole dispositive power over all 3,356,323 shares, while maintaining sole voting power over 500,165 shares. The filing includes a certification that the securities were not acquired for the purpose of changing or influencing the control of the issuer. Great Lakes Dredge & Dock Corp is headquartered in Houston, Texas, and the reported securities are classified as Common Stock.