Great Lakes Dredge & DockGLDD
13F holders, Q3 2025 (September 30)212holders +21
33new positions
12sold out
7famous investors
$11.99avg. 13F price*
At the end of Q3 2025, 212 institutions reported holding Great Lakes Dredge & Dock Co. (GLDD) in their 13F filings, up 21 from Q2 2025. 33 opened new positions and 12 sold out. The largest holders were BlackRock, Inc. ($83.2M), Dimensional Fund Advisors LP ($51.8M) and Jennison Associates LLC ($51.2M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Great Lakes Dredge & Dock Co.
- CUSIP
- 390607109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 33 | $11.2M |
| Exits | 12 | $8.1M |
All 13F filers, Q2 2025 → Q3 2025: 4,669,900 shares bought and 4,539,241 shares sold, net +130,659 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 212 holders
| BlackRock, Inc. | 0.00% | Add +2.3% | 6,937,720 | $83.2M |
| Dimensional Fund Advisors LP | 0.01% | Add +0.8% | 4,323,251 | $51.8M |
| Jennison Associates LLC | 0.03% | Reduce -10.8% | 4,274,268 | $51.2M |
| Vanguard Group Inc. | 0.00% | Reduce -0.1% | 3,879,301 | $46.5M |
| Harvey Partners, LLC | 4.04% | Reduce -0.9% | 3,700,551 | $44.4M |
| American Century Companies Inc. | 0.01% | Add +10.6% | 2,412,467 | $28.9M |
| TCW Group Inc. | 0.19% | Reduce -10.1% | 1,874,234 | $22.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -1.3% | 1,634,491 | $19.6M |
| State Street Corp. | 0.00% | Reduce -0.6% | 1,617,353 | $19.4M |
| Minerva Advisors LLC | 10.58% | No change | 1,389,807 | $16.7M |
| Millennium Management | 0.01% | Add +228.7% | 1,146,135 | $13.7M |
| JPMorgan Chase & Co. | 0.00% | Add +12.6% | 888,739 | $10.7M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -4.5% | 803,586 | $9.6M |
| Morgan Stanley | 0.00% | Add +0.6% | 797,452 | $9.6M |
| Northern Trust Corp. | 0.00% | Add +0.6% | 695,157 | $8.3M |
| London Co. of Virginia | 0.04% | Reduce -9.1% | 584,424 | $7.0M |
| Prescott Group Capital Management, L.L.C. | 0.73% | No change | 576,870 | $6.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.9% | 561,705 | $6.7M |
| CenterBook Partners LP | 0.31% | Add +47.6% | 518,331 | $6.2M |
| Private Management Group Inc. | 0.18% | Reduce -22.8% | 504,527 | $6.0M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +99.2% | 494,033 | $5.9M |
| Castlekeep Investment Advisors LLC | 2.55% | Reduce -4.7% | 454,529 | $5.4M |
| Next Century Growth Investors LLC | 0.39% | Reduce -31.1% | 446,821 | $5.4M |
| Bridgeway Capital Management, LLC | 0.11% | Add +82.1% | 442,088 | $5.3M |
| BNP Paribas Financial Markets | 0.00% | Reduce -8.4% | 429,833 | $5.2M |
| Acuitas Investments, LLC | 3.26% | No change | 423,234 | $5.1M |
| Two Sigma Investments, LP | 0.01% | Add +20.6% | 420,497 | $5.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +21.6% | 416,293 | $5.0M |
| D. E. Shaw & Co. | 0.00% | Reduce -11.3% | 388,881 | $4.7M |
| Qube Research & Technologies Ltd | 0.01% | Add +641.3% | 381,365 | $4.6M |
| Squarepoint Ops LLC | 0.01% | Add +79.5% | 377,040 | $4.5M |
| Cubist Systematic Strategies, LLC | 0.05% | Reduce -35.7% | 316,452 | $3.8M |
| Essex Investment Management Co. LLC | 0.57% | Add +3.4% | 308,809 | $3.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -18.8% | 287,386 | $3.4M |
| Tudor Investment Corporation | 0.02% | Reduce -26.3% | 286,118 | $3.4M |
| Algert Global LLC | 0.06% | Add +30.5% | 285,619 | $3.4M |
| Two Sigma Advisers, LP | 0.01% | Add +21.2% | 284,167 | $3.4M |
| Brandywine Global Investment Management, LLC | 0.02% | Reduce -3.6% | 281,720 | $3.4M |
| Renaissance Technologies | 0.00% | Reduce -33.6% | 255,056 | $3.1M |
| Bank of New York Mellon Corp | 0.00% | Add +1.2% | 250,512 | $3.0M |
| Bank of America Corp. | 0.00% | Add +2.0% | 250,108 | $3.0M |
| Empowered Funds, LLC | 0.03% | Add +13.0% | 246,088 | $3.0M |
| Sanctuary Advisors, LLC | 0.02% | Add +0.1% | 234,392 | $2.8M |
| Segall Bryant & Hamill, LLC | 0.04% | Reduce -0.5% | 222,266 | $2.7M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +34.1% | 221,743 | $2.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | Reduce -22.5% | 217,693 | $2.6M |
| Nuveen, LLC | 0.00% | Reduce -65.6% | 212,386 | $2.5M |
| AQR Capital Management | 0.00% | Add +167.1% | 196,544 | $2.4M |
| Wittenberg Investment Management, Inc. | 0.92% | Reduce -2.5% | 191,800 | $2.3M |
| Raymond James Financial Inc. | 0.00% | Add +0.8% | 188,570 | $2.3M |
| Lazard Asset Management LLC | 0.00% | Add +449.6% | 184,855 | $2.2M |
| Seven Six Capital Management, LLC | 2.11% | Reduce -35.2% | 178,513 | $2.1M |
| Bfsg, LLC | 0.21% | Reduce -0.9% | 178,307 | $2.1M |
| Citadel Advisors | 0.00% | Reduce -65.0% | 164,091 | $2.0M |
| HRT Financial LP | 0.01% | Add +36.9% | 155,441 | $1.9M |
| Gsa Capital Partners LLP | 0.15% | Reduce -32.3% | 149,542 | $1.8M |
| Jackson Creek Investment Advisors LLC | 0.51% | Reduce -0.0% | 147,508 | $1.8M |
| Jump Financial, LLC | 0.02% | Reduce -25.8% | 142,935 | $1.7M |
| Russell Investments Group, Ltd. | 0.00% | Add +1440.4% | 141,097 | $1.7M |
| Mackenzie Financial Corp. | 0.00% | Add +309.2% | 139,482 | $1.7M |
| Invesco Ltd. | 0.00% | Reduce -4.5% | 137,171 | $1.6M |
| Swiss National Bank | 0.00% | Add +3.9% | 131,600 | $1.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -53.2% | 128,331 | $1.5M |
| Barclays PLC | 0.00% | Reduce -23.1% | 125,940 | $1.5M |
| Zacks Investment Management | 0.01% | New | 117,352 | $1.4M |
| LPL Financial LLC | 0.00% | Add +91.2% | 112,800 | $1.4M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -29.7% | 109,356 | $1.3M |
| Panagora Asset Management Inc. | 0.01% | Add +25.1% | 108,244 | $1.3M |
| Rhumbline Advisers | 0.00% | Reduce -2.2% | 104,620 | $1.3M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 102,318 | $1.2M |
| Susquehanna International Group, LLP | 0.00% | Add +2.3% | 101,280 | $1.2M |
| ExodusPoint Capital Management, LP | 0.02% | New | 100,657 | $1.2M |
| Victory Capital Management Inc. | 0.00% | Reduce -1.4% | 99,550 | $1.2M |
| Trexquant Investment LP | 0.01% | Reduce -62.3% | 98,672 | $1.2M |
| Jane Street Group, LLC | 0.00% | Reduce -44.8% | 93,378 | $1.1M |
| SG Americas Securities, LLC | 0.00% | Add +34.6% | 92,432 | $1.1M |
| HB Wealth Management, LLC | 0.01% | New | 88,226 | $1.1M |
| Legato Capital Management LLC | 0.12% | No change | 88,223 | $1.1M |
| UBS Group AG | 0.00% | Reduce -46.9% | 85,826 | $1.0M |
| AlphaQuest LLC | 0.07% | Add +329.6% | 84,740 | $1.0M |
| State of Wisconsin Investment Board | 0.00% | Add +3.1% | 81,844 | $981K |
| Alliancebernstein L.P. | 0.00% | No change | 78,810 | $945K |
| Legal & General Group Plc | 0.00% | Reduce -2.6% | 77,966 | $935K |
| Cullen Capital Management, LLC | 0.01% | Reduce -23.1% | 74,678 | $895K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Reduce -30.3% | 73,550 | $882K |
| Walleye Capital LLC | 0.01% | New | 69,000 | $827K |
| Dynamic Technology Lab Private Ltd | 0.13% | Add +319.9% | 62,606 | $751K |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 62,043 | $744K |
| Wells Fargo & Company | 0.00% | Add +15.4% | 61,717 | $740K |
| HSBC Holdings PLC | 0.00% | Reduce -16.5% | 60,776 | $724K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.05% | Add +28.7% | 59,260 | $711K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 58,028 | $696K |
| Deutsche Bank AG | 0.00% | Add +12.9% | 55,668 | $667K |
| Principal Financial Group Inc. | 0.00% | Add +46.2% | 55,291 | $663K |
| Boothbay Fund Management, LLC | 0.02% | New | 54,313 | $651K |
| Creative Planning | 0.00% | Add +4.9% | 51,554 | $618K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 49,610 | $595K |
| American Capital Advisory, LLC | 0.27% | Add +0.4% | 48,591 | $583K |
| Ameriprise Financial Inc. | 0.00% | Reduce -31.5% | 48,118 | $577K |
| Semanteon Capital Management, LP | 0.71% | New | 47,420 | $569K |
"% of holder's portfolio" is GLDD's weight in each manager's 13F, not the share of Great Lakes Dredge & Dock Co. the manager owns.