Who Owns GREAT LAKES DREDGE & DOCK CO (GLDD)? -- Institutional Holders (2026-03-31)
274 institutions reported holding $946.1M of GREAT LAKES DREDGE & DOCK CO (GLDD) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($100.6M), DIMENSIONAL FUND ADVISORS LP ($57.6M), AMERICAN CENTURY COMPANIES INC ($51.1M), GLAZER CAPITAL, LLC ($50.1M), VANGUARD CAPITAL MANAGEMENT LLC ($48.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $100.6M | 5.9M | Trimmed |
| 2 | DIMENSIONAL FUND ADVISORS LP | $57.6M | 3.4M | Trimmed |
| 3 | AMERICAN CENTURY COMPANIES INC | $51.1M | 3.0M | Added |
| 4 | GLAZER CAPITAL, LLC | $50.1M | 2.9M | New |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $48.6M | 2.9M | New |
| 6 | FIL Ltd | $45.4M | 2.7M | New |
| 7 | TWO SIGMA INVESTMENTS, LP | $33.8M | 2.0M | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $28.5M | 1.7M | Added |
| 9 | Balyasny Asset Management L.P. | $27.7M | 1.6M | New |
| 10 | STATE STREET CORP | $26.8M | 1.6M | Trimmed |
| 11 | Qube Research & Technologies Ltd | $23.5M | 1.4M | Added |
| 12 | WATER ISLAND CAPITAL LLC | $21.5M | 1.3M | New |
| 13 | ODDO BHF ASSET MANAGEMENT SAS | $19.8M | 1.2M | New |
| 14 | MILLENNIUM MANAGEMENT LLC | $19.2M | 1.1M | Trimmed |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $17.9M | 1.1M | Added |
| 16 | Minerva Advisors LLC | $17.5M | 1.0M | Trimmed |
| 17 | JENNISON ASSOCIATES LLC | $17.5M | 1.0M | Trimmed |
| 18 | Beryl Capital Management LLC | $15.5M | 912,537 | New |
| 19 | Sand Grove Capital Management LLP | $15.2M | 893,190 | New |
| 20 | OMERS ADMINISTRATION Corp | $14.7M | 864,000 | New |
| 21 | GOLDMAN SACHS GROUP INC | $14.6M | 858,621 | Added |
| 22 | AQR Arbitrage LLC | $12.4M | 730,615 | New |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $12.4M | 730,610 | Added |
| 24 | NORTHERN TRUST CORP | $11.4M | 669,478 | Added |
| 25 | TIG Advisors, LLC | $10.9M | 642,867 | New |
Source: SEC Form 13F filings · as of 2026-03-31