Great Lakes Dredge & DockGLDD

13F holders, Q1 2025 (March 31)
191holders
27new positions
24sold out
7famous investors
$8.70avg. 13F price*

At the end of Q1 2025, 191 institutions reported holding Great Lakes Dredge & Dock Co. (GLDD) in their 13F filings, unchanged from Q4 2024. 27 opened new positions and 24 sold out. The largest holders were BlackRock, Inc. ($62.3M), Jennison Associates LLC ($46.2M) and Dimensional Fund Advisors LP ($37.7M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Great Lakes Dredge & Dock Co.
CUSIP
390607109
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 158Q1 2024Q2 2024: 171Q2 2024Q3 2024: 180Q3 2024Q4 2024: 191Q4 2024Q1 2025: 191Q1 2025Q2 2025: 191Q2 2025Q3 2025: 212Q3 2025Q4 2025: 222Q4 2025Q1 2026: 182Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions27$9.6M
Exits24$8.0M

All 13F filers, Q4 2024 → Q1 2025: 4,784,214 shares bought and 4,352,580 shares sold, net +431,634 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 191 holders

BlackRock, Inc. 0.00% Add +0.7% 7,163,887 $62.3M
Jennison Associates LLC 0.03% Add +22.7% 5,310,894 $46.2M
Dimensional Fund Advisors LP 0.01% Reduce -2.4% 4,337,446 $37.7M
Vanguard Group Inc. 0.00% Add +0.8% 3,907,174 $34.0M
Harvey Partners, LLC 3.85% Add +0.8% 3,733,000 $32.5M
Alliancebernstein L.P. 0.01% Reduce -6.3% 2,685,229 $23.4M
TCW Group Inc. 0.17% Add +4.0% 2,153,534 $18.7M
American Century Companies Inc. 0.01% Add +22.0% 1,970,775 $17.1M
Geode Capital Management, LLC 0.00% Add +2.9% 1,605,278 $14.0M
State Street Corp. 0.00% Reduce -0.6% 1,570,402 $13.7M
Minerva Advisors LLC 8.59% Add +3.6% 1,389,807 $12.1M
Private Management Group Inc. 0.35% Reduce -6.3% 1,142,542 $9.9M
CenterBook Partners LP 0.62% Add +169.2% 1,121,974 $9.8M
Morgan Stanley 0.00% Reduce -13.8% 700,564 $6.1M
Next Century Growth Investors LLC 0.51% Reduce -0.3% 665,282 $5.8M
London Co. of Virginia 0.03% No change 642,744 $5.6M
Northern Trust Corp. 0.00% Reduce -4.8% 632,001 $5.5M
JPMorgan Chase & Co. 0.00% Reduce -24.1% 623,110 $5.4M
Prescott Group Capital Management, L.L.C. 0.73% Add +5.5% 576,870 $5.0M
Charles Schwab Investment Management Inc. 0.00% Reduce -22.4% 536,718 $4.7M
Citadel Advisors 0.00% Add +373.0% 516,609 $4.5M
Goldman Sachs Group Inc. 0.00% Reduce -27.9% 503,976 $4.4M
D. E. Shaw & Co. 0.01% Reduce -3.7% 501,756 $4.4M
Castlekeep Investment Advisors LLC 2.22% Add +1.5% 496,412 $4.3M
Nuveen, LLC 0.00% — 455,148 $4.0M
Acuitas Investments, LLC 3.14% Add +17.4% 423,234 $3.7M
BNP Paribas Financial Markets 0.00% Reduce -4.2% 422,829 $3.7M
Seven Six Capital Management, LLC 3.07% Add +18.6% 393,299 $3.4M
Essex Investment Management Co. LLC 0.55% Reduce -0.7% 300,821 $2.6M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.01% Reduce -53.2% 289,450 $2.5M
Wellington Management Group LLP 0.00% Reduce -1.4% 273,477 $2.4M
Millennium Management 0.00% Reduce -61.8% 266,559 $2.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +1.3% 246,766 $2.1M
Brandywine Global Investment Management, LLC 0.02% New 244,830 $2.1M
Bank of New York Mellon Corp 0.00% Reduce -1.4% 236,677 $2.1M
Sanctuary Advisors, LLC 0.01% Reduce -0.4% 234,268 $2.0M
Tudor Investment Corporation 0.02% Add +3.3% 233,685 $2.0M
Wittenberg Investment Management, Inc. 0.90% Add +25.9% 228,300 $2.0M
Susquehanna International Group, LLP 0.00% Add +556.5% 227,235 $2.0M
Bridgeway Capital Management, LLC 0.05% New 223,353 $1.9M
First Trust Advisors LP 0.00% Reduce -1.7% 208,914 $1.8M
Empowered Funds, LLC 0.02% New 198,353 $1.7M
Bfsg, LLC 0.19% Reduce -1.2% 182,110 $1.6M
Algert Global LLC 0.04% Reduce -32.6% 171,339 $1.5M
Raymond James Financial Inc. 0.00% Reduce -21.0% 162,460 $1.4M
Invesco Ltd. 0.00% Reduce -11.4% 161,844 $1.4M
UBS Group AG 0.00% Add +22.3% 159,470 $1.4M
Thrivent Financial for Lutherans 0.00% Add +63.6% 155,005 $1.3M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -22.4% 152,502 $1.3M
Two Sigma Advisers, LP 0.00% Add +14.0% 143,467 $1.2M
Bank of America Corp. 0.00% Reduce -12.3% 141,373 $1.2M
HB Wealth Management, LLC 0.01% Add +0.2% 133,585 $1.2M
Swiss National Bank 0.00% No change 131,000 $1.1M
Cullen Capital Management, LLC 0.01% Reduce -14.4% 118,452 $1.0M
Renaissance Technologies 0.00% Reduce -58.2% 116,400 $1.0M
Victory Capital Management Inc. 0.00% Add +19.6% 116,000 $1.0M
Two Sigma Investments, LP 0.00% Add +17.5% 110,986 $966K
AQR Capital Management 0.00% Reduce -19.4% 110,859 $964K
Arrowstreet Capital, Limited Partnership 0.00% Reduce -66.2% 107,828 $938K
Sequoia Financial Advisors, LLC 0.01% Add +0.3% 102,742 $894K
Rhumbline Advisers 0.00% Reduce -4.0% 102,310 $890K
Squarepoint Ops LLC 0.00% Add +63.2% 100,404 $874K
Rockefeller Capital Management L.P. 0.00% Reduce -0.0% 98,721 $859K
Cubist Systematic Strategies, LLC 0.01% Reduce -47.5% 97,648 $850K
Trexquant Investment LP 0.01% Reduce -24.2% 96,062 $836K
State of Wisconsin Investment Board 0.00% Add +71.4% 93,358 $812K
SG Americas Securities, LLC 0.00% Reduce -25.1% 91,323 $795K
Barclays PLC 0.00% Reduce -28.0% 89,731 $781K
Legato Capital Management LLC 0.10% Reduce -1.5% 88,438 $769K
Credit Agricole S A 0.00% No change 88,400 $769K
Graham Capital Management, L.P. 0.04% Add +84.9% 87,148 $758K
Norges Bank 0.00% No change 83,800 $729K
Kennedy Capital Management LLC 0.02% Reduce -84.4% 78,518 $683K
Legal & General Group Plc 0.00% Reduce -0.3% 74,922 $652K
Jane Street Group, LLC 0.00% Add +218.1% 74,222 $646K
Fox Run Management, L.L.C. 0.09% Add +88.9% 69,234 $602K
Citigroup Inc. 0.00% Reduce -0.9% 65,040 $566K
Qube Research & Technologies Ltd 0.00% Reduce -12.6% 63,727 $554K
California State Teachers Retirement System 0.00% No change 62,752 $546K
Ameriprise Financial Inc. 0.00% New 62,728 $546K
Gsa Capital Partners LLP 0.05% Reduce -57.2% 59,380 $517K
LPL Financial LLC 0.00% Add +296.0% 56,740 $494K
Thompson Davis & Co., Inc. 0.38% Add +149.0% 54,650 $475K
Deutsche Bank AG 0.00% Reduce -9.0% 53,426 $465K
Wells Fargo & Company 0.00% Add +6.9% 50,362 $438K
Panagora Asset Management Inc. 0.00% New 49,495 $431K
American Capital Advisory, LLC 0.23% Reduce -46.8% 48,736 $424K
Semanteon Capital Management, LP 0.23% Add +316.2% 48,011 $418K
Balyasny Asset Management L.P. 0.00% Reduce -46.0% 47,772 $416K
Creative Planning 0.00% Add +12.1% 43,891 $382K
State Board of Administration of Florida Retirement System 0.00% No change 43,029 $374K
Teacher Retirement System of Texas 0.00% Reduce -63.4% 42,190 $367K
Intech Investment Management LLC 0.00% Add +20.6% 41,638 $362K
HSBC Holdings PLC 0.00% Add +3.2% 41,256 $360K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.4% 39,190 $341K
Canton Hathaway, LLC 0.07% Add +2.4% 39,100 $340K
MetLife Investment Management, LLC 0.00% Reduce -7.7% 36,803 $320K
ExodusPoint Capital Management, LP 0.00% Reduce -49.5% 35,505 $309K
Royal Bank of Canada 0.00% Add +9.9% 35,035 $305K
Jacobs Levy Equity Management, Inc. 0.00% New 34,927 $304K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.04% Reduce -12.5% 34,863 $303K
Keybank National Association 0.00% Add +8.6% 34,324 $299K
Corebridge Financial, Inc. 0.00% Reduce -1.5% 32,312 $281K
Oppenheimer & Close, LLC 0.23% Reduce -18.8% 31,901 $278K
Corton Capital Inc. 0.89% New 30,941 $269K
Bailard, Inc. 0.01% New 30,729 $267K
Quantbot Technologies LP 0.01% Add +57.9% 30,676 $267K
ARS Investment Partners, LLC 0.02% No change 23,562 $266K
Janus Henderson Group PLC 0.00% No change 29,184 $258K
T. Rowe Price Associates Inc. 0.00% Add +7.3% 28,330 $247K
Engineers Gate Manager LP 0.00% Add +30.1% 27,175 $236K
Jump Financial, LLC 0.00% Reduce -59.8% 25,800 $224K
Wolverine Trading, LLC 0.01% New 24,910 $220K
Polymer Capital Management (US) LLC 0.07% Add +74.1% 25,195 $219K
Mirabaud & Cie SA 0.07% New 24,000 $209K
EntryPoint Capital, LLC 0.09% New 23,733 $206K
Manufacturers Life Insurance Company, The 0.00% Reduce -2.1% 23,647 $206K
Quadrant Capital Group LLC 0.01% Reduce -3.4% 22,187 $193K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +34.9% 21,523 $187K
AE Wealth Management LLC 0.00% Reduce -7.8% 20,315 $177K
Oxford Asset Management LLP 0.08% New 20,025 $174K
Arizona State Retirement System 0.00% Reduce -1.0% 19,274 $168K
Voya Investment Management LLC 0.00% Reduce -8.8% 18,847 $164K
Fayez Sarofim & Co 0.00% No change 17,512 $152K
PharVision Advisers, LLC 0.21% New 17,297 $150K
Simplex Trading, LLC 0.01% New 17,349 $150K
Bank of Montreal 0.00% No change 16,683 $145K
Prospera Financial Services Inc 0.00% No change 15,500 $135K
XTX Topco Ltd 0.01% New 14,958 $130K
New York State Common Retirement Fund 0.00% No change 14,753 $128K
Total Wealth Planning & Management, Inc. 0.13% Reduce -68.1% 14,750 $128K
Cibc World Markets Corp. 0.00% New 14,635 $127K
Atom Investors LP 0.02% Reduce -54.6% 14,519 $126K
Olympiad Research LP 0.15% New 14,489 $126K
ProShare Advisors LLC 0.00% Reduce -23.1% 14,276 $124K
Police & Firemen's Retirement System of New Jersey 0.00% No change 13,345 $116K
Quantinno Capital Management LP 0.00% New 13,334 $116K
Signaturefd, LLC 0.00% Reduce -6.2% 13,308 $116K
Teza Capital Management LLC 0.05% New 12,815 $111K
Gitterman Wealth Management, LLC 0.03% Reduce -1.3% 12,688 $110K
AlphaQuest LLC 0.01% Add +330.4% 12,598 $110K
ELCO Management Co., LLC 0.06% Reduce -54.0% 12,328 $107K
KLP Kapitalforvaltning As 0.00% No change 11,700 $102K
Prelude Capital Management, LLC 0.01% New 11,591 $101K
CANADA LIFE ASSURANCE Co 0.00% No change 10,719 $94K
Evergreen Capital Management LLC 0.00% Reduce -1.5% 10,449 $91K
Envestnet Asset Management Inc. 0.00% New 10,066 $88K
FMR LLC 0.00% Add +20.9% 10,013 $87K
Point72 Asset Management 0.00% Reduce -71.5% 9,983 $87K
Ameritas Investment Partners, Inc. 0.00% No change 6,469 $56K
Public Employees Retirement System of Ohio 0.00% Add +213.7% 5,505 $48K
Quarry LP 0.01% Add +213.7% 5,503 $48K
Point72 (DIFC) Ltd 0.00% Reduce -53.9% 5,458 $47K
STRS Ohio 0.00% New 5,200 $45K
MassMutual Private Wealth & Trust, FSB 0.00% Reduce -88.1% 4,767 $41K
Spire Wealth Management 0.00% Add +0.2% 4,285 $37K
Cwm, LLC 0.00% Reduce -32.4% 3,630 $32K
Federated Hermes, Inc. 0.00% Reduce -38.4% 3,460 $30K
US Bancorp \de 0.00% Reduce -2.6% 3,400 $30K
Tower Research Capital LLC (TRC) 0.00% Reduce -91.1% 2,370 $21K
Amalgamated Bank 0.00% No change 2,230 $19K
Coldstream Capital Management Inc. 0.00% New 1,998 $17K
GAMMA Investing LLC 0.00% Add +3.5% 1,950 $17K
Parallel Advisors, LLC 0.00% No change 1,657 $14K
Lindbrook Capital, LLC 0.00% Reduce -4.6% 1,568 $14K
McIlrath & Eck, LLC 0.00% No change 1,395 $12K
Sterling Capital Management LLC 0.00% Reduce -46.1% 1,138 $10K
Smartleaf Asset Management LLC 0.00% Reduce -30.3% 1,047 $9K
MCF Advisors LLC 0.00% No change 824 $7K
Versant Capital Management, Inc 0.00% Add +112.3% 743 $6K
Farther Finance Advisors, LLC 0.00% Reduce -31.2% 570 $5K
Thurston, Springer, Miller, Herd & Titak, Inc. 0.00% No change 455 $4K
PNC Financial Services Group, Inc. 0.00% Reduce -2.6% 408 $4K
Legacy Wealth Managment, LLC 0.00% No change 400 $3K
North Star Investment Management Corp. 0.00% Reduce -15.0% 340 $3K
Allworth Financial LP 0.00% Reduce -44.8% 243 $2K
Fortitude Family Office, LLC 0.00% No change 188 $2K
EverSource Wealth Advisors, LLC 0.00% Add +300.0% 180 $2K
Brooklyn Investment Group 0.00% New 166 $1K
Russell Investments Group, Ltd. 0.00% Reduce -97.6% 163 $1K
CIBC Private Wealth Group LLC 0.00% No change 170 $1K
True Wealth Design, LLC 0.00% New 123 $1K
Hantz Financial Services, Inc. 0.00% No change 65 $1K
Rothschild Investment LLC 0.00% Reduce -29.2% 85 $740
Amundi 0.00% No change 60 $514
Nisa Investment Advisors, LLC 0.00% Reduce -46.0% 54 $470
Osaic Holdings, Inc. 0.00% Reduce -97.5% 52 $452
Arax Advisory Partners 0.00% Reduce -94.0% 49 $427
Larson Financial Group LLC 0.00% New 39 $339
Comerica Bank 0.00% No change 21 $183
Covestor Ltd 0.00% New 39 $0

"% 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.