DOSSIER · 13F Holders · Q1 2026Industrials · Heavy Construction Other Than Bldg Const - Contractors
GLDD
GREAT LAKES DREDGE & DOCK CO
169 institutions still hold GREAT LAKES DREDGE & DOCK CO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 390607109·Heavy Construction Other Than Bldg Const - Contractors·169 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
169 institutions reported GLDD in Q1 2026. BlackRock, Inc. leads at 14.1% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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