GREAT LAKES DREDGE & DOCK CO (GLDD) Institutional Ownership and Insiders Activity

GREAT LAKES DREDGE & DOCK CO (GLDD) is widely held by institutional investors, with 5 firms reporting positions valued at approximately $19.91M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Minerva Advisors Llc is the largest disclosed holder, reporting approximately $17.50M in GLDD holdings in its latest filing.

Institutional ownership remains highly concentrated, with Minerva Advisors Llc representing the majority of disclosed value.