Great Lakes Dredge & DockGLDD

13F holders, Q2 2025 (June 30)
191holders
30new positions
28sold out
6famous investors
$12.19avg. 13F price*

At the end of Q2 2025, 191 institutions reported holding Great Lakes Dredge & Dock Co. (GLDD) in their 13F filings, unchanged from Q1 2025. 30 opened new positions and 28 sold out. The largest holders were BlackRock, Inc. ($82.7M), Jennison Associates LLC ($58.4M) and Dimensional Fund Advisors LP ($52.3M). 6 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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

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 Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions30$16.6M
Exits28$7.2M

All 13F filers, Q1 2025 → Q2 2025: 5,871,823 shares bought and 6,627,194 shares sold, net −755,371 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 191 holders

BlackRock, Inc. 0.00% Reduce -5.3% 6,785,122 $82.7M
Jennison Associates LLC 0.03% Reduce -9.7% 4,793,838 $58.4M
Dimensional Fund Advisors LP 0.01% Reduce -1.1% 4,288,207 $52.3M
Vanguard Group Inc. 0.00% Reduce -0.6% 3,885,090 $47.4M
Harvey Partners, LLC 4.54% No change 3,733,000 $45.5M
American Century Companies Inc. 0.01% Add +10.7% 2,180,909 $26.6M
TCW Group Inc. 0.20% Reduce -3.1% 2,085,734 $25.4M
Geode Capital Management, LLC 0.00% Add +3.2% 1,656,547 $20.2M
State Street Corp. 0.00% Add +3.6% 1,626,738 $19.8M
Minerva Advisors LLC 11.09% No change 1,389,807 $16.9M
Arrowstreet Capital, Limited Partnership 0.01% Add +680.1% 841,140 $10.3M
Morgan Stanley 0.00% Add +13.2% 793,082 $9.7M
JPMorgan Chase & Co. 0.00% Add +26.7% 789,276 $9.6M
Northern Trust Corp. 0.00% Add +9.3% 691,041 $8.4M
Private Management Group Inc. 0.26% Reduce -42.8% 653,550 $8.0M
Next Century Growth Investors LLC 0.61% Reduce -2.5% 648,290 $7.9M
London Co. of Virginia 0.04% No change 642,744 $7.8M
Nuveen, LLC 0.00% Add +35.6% 617,145 $7.5M
Prescott Group Capital Management, L.L.C. 0.83% No change 576,870 $7.0M
Charles Schwab Investment Management Inc. 0.00% Add +3.7% 556,440 $6.8M
Cubist Systematic Strategies, LLC 0.07% Add +404.1% 492,191 $6.0M
Castlekeep Investment Advisors LLC 2.85% Reduce -3.9% 477,163 $5.8M
BNP Paribas Financial Markets 0.00% Add +11.0% 469,259 $5.7M
Citadel Advisors 0.01% Reduce -9.3% 468,678 $5.7M
D. E. Shaw & Co. 0.01% Reduce -12.7% 438,229 $5.3M
Acuitas Investments, LLC 4.11% No change 423,234 $5.2M
Tudor Investment Corporation 0.04% Add +66.0% 387,936 $4.7M
Renaissance Technologies 0.01% Add +230.2% 384,388 $4.7M
Goldman Sachs Group Inc. 0.00% Reduce -29.7% 354,091 $4.3M
CenterBook Partners LP 0.24% Reduce -68.7% 351,182 $4.3M
Two Sigma Investments, LP 0.01% Add +214.3% 348,820 $4.3M
Millennium Management 0.00% Add +30.8% 348,724 $4.3M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Add +124.5% 342,301 $4.2M
Essex Investment Management Co. LLC 0.66% Reduce -0.7% 298,682 $3.6M
Brandywine Global Investment Management, LLC 0.03% Add +19.4% 292,220 $3.6M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.01% Reduce -3.0% 280,810 $3.4M
Seven Six Capital Management, LLC 3.05% Reduce -30.0% 275,413 $3.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +11.2% 274,465 $3.3M
Trexquant Investment LP 0.04% Add +172.3% 261,531 $3.2M
Wellington Management Group LLP 0.00% Reduce -6.4% 256,081 $3.1M
Bank of New York Mellon Corp 0.00% Add +4.6% 247,508 $3.0M
Bank of America Corp. 0.00% Add +73.4% 245,097 $3.0M
Bridgeway Capital Management, LLC 0.07% Add +8.7% 242,820 $3.0M
Allspring Global Investments Holdings, LLC 0.00% New 248,026 $2.9M
Two Sigma Advisers, LP 0.01% Add +63.4% 234,467 $2.9M
Sanctuary Advisors, LLC 0.02% Reduce -0.0% 234,209 $2.9M
Segall Bryant & Hamill, LLC 0.04% New 223,340 $2.7M
Gsa Capital Partners LLP 0.19% Add +272.0% 220,881 $2.7M
First Trust Advisors LP 0.00% Add +5.1% 219,506 $2.7M
Algert Global LLC 0.06% Add +27.7% 218,817 $2.7M
Empowered Funds, LLC 0.03% Add +9.8% 217,820 $2.7M
Squarepoint Ops LLC 0.01% Add +109.2% 210,029 $2.6M
Wittenberg Investment Management, Inc. 1.05% Reduce -13.8% 196,800 $2.4M
Jump Financial, LLC 0.03% Add +646.7% 192,653 $2.3M
Raymond James Financial Inc. 0.00% Add +15.2% 187,094 $2.3M
Bfsg, LLC 0.25% Reduce -1.2% 179,977 $2.2M
Jane Street Group, LLC 0.00% Add +128.1% 169,286 $2.1M
Jacobs Levy Equity Management, Inc. 0.01% Add +373.3% 165,316 $2.0M
Barclays PLC 0.00% Add +82.5% 163,794 $2.0M
UBS Group AG 0.00% Add +1.4% 161,716 $2.0M
Thrivent Financial for Lutherans 0.00% Add +0.3% 155,555 $1.9M
Jackson Creek Investment Advisors LLC 0.49% New 147,568 $1.8M
Invesco Ltd. 0.00% Reduce -11.3% 143,628 $1.8M
Swiss National Bank 0.00% Reduce -3.3% 126,700 $1.5M
HRT Financial LP 0.01% New 113,515 $1.4M
Rhumbline Advisers 0.00% Add +4.6% 106,983 $1.3M
Susquehanna Portfolio Strategies, LLC 0.03% New 105,508 $1.3M
Victory Capital Management Inc. 0.00% Reduce -12.9% 101,000 $1.2M
Balyasny Asset Management L.P. 0.00% Add +109.1% 99,902 $1.2M
Susquehanna International Group, LLP 0.00% Reduce -56.4% 98,996 $1.2M
Cullen Capital Management, LLC 0.01% Reduce -18.0% 97,128 $1.2M
Legato Capital Management LLC 0.13% Reduce -0.2% 88,223 $1.1M
Panagora Asset Management Inc. 0.00% Add +74.8% 86,497 $1.1M
Norges Bank 0.00% No change 83,800 $1.0M
Legal & General Group Plc 0.00% Add +6.8% 80,039 $976K
State of Wisconsin Investment Board 0.00% Reduce -15.0% 79,344 $967K
Alliancebernstein L.P. 0.00% Reduce -97.1% 78,810 $961K
HSBC Holdings PLC 0.00% Add +76.4% 72,775 $901K
AQR Capital Management 0.00% Reduce -33.6% 73,578 $897K
Inspire Investing, LLC 0.10% New 72,594 $885K
Ameriprise Financial Inc. 0.00% Add +12.0% 70,266 $857K
Quantbot Technologies LP 0.02% Add +127.0% 69,639 $849K
Citigroup Inc. 0.00% Add +6.8% 69,460 $847K
SG Americas Securities, LLC 0.00% Reduce -24.8% 68,660 $837K
Verition Fund Management LLC 0.00% New 64,082 $781K
California State Teachers Retirement System 0.00% Reduce -1.1% 62,039 $756K
LPL Financial LLC 0.00% Add +4.0% 58,994 $719K
Thompson Davis & Co., Inc. 0.47% Add +4.5% 57,100 $696K
Wells Fargo & Company 0.00% Add +6.2% 53,493 $652K
Qube Research & Technologies Ltd 0.00% Reduce -19.3% 51,443 $627K
Deutsche Bank AG 0.00% Reduce -7.7% 49,307 $601K
Creative Planning 0.00% Add +12.0% 49,154 $599K
Graham Capital Management, L.P. 0.02% Reduce -44.3% 48,583 $592K
American Capital Advisory, LLC 0.30% Reduce -0.7% 48,416 $590K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.05% Add +32.1% 46,049 $561K
WINTON GROUP Ltd 0.03% New 43,650 $532K
Canton Hathaway, LLC 0.11% Add +10.5% 43,200 $527K
State Board of Administration of Florida Retirement System 0.00% No change 43,029 $525K
Intech Investment Management LLC 0.00% No change 41,638 $508K
MetLife Investment Management, LLC 0.00% Add +7.7% 39,635 $483K
Principal Financial Group Inc. 0.00% New 37,812 $461K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -6.9% 36,474 $445K
Employees Retirement System of Texas 0.00% New 36,245 $442K
Royal Bank of Canada 0.00% Add +0.8% 35,312 $431K
State of Wyoming 0.05% New 35,006 $427K
Mackenzie Financial Corp. 0.00% New 34,085 $415K
Keybank National Association 0.00% Reduce -1.8% 33,720 $411K
Lazard Asset Management LLC 0.00% New 33,636 $410K
Teacher Retirement System of Texas 0.00% Reduce -20.3% 33,623 $410K
T. Rowe Price Associates Inc. 0.00% Add +17.4% 33,266 $406K
Corton Capital Inc. 0.43% Reduce -2.4% 30,213 $368K
Janus Henderson Group PLC 0.00% No change 29,184 $356K
Prosperity Wealth Management, Inc. 0.13% New 28,200 $344K
ARS Investment Partners, LLC 0.02% Add +16.6% 27,480 $335K
Fox Run Management, L.L.C. 0.05% Reduce -62.7% 25,830 $315K
Manufacturers Life Insurance Company, The 0.00% Add +3.0% 24,357 $297K
Aquatic Capital Management LLC 0.01% New 23,761 $290K
XTX Topco Ltd 0.01% Add +57.7% 23,585 $288K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +7.8% 23,208 $283K
Quadrant Capital Group LLC 0.01% Reduce -7.8% 20,457 $249K
PharVision Advisers, LLC 0.35% Add +15.8% 20,028 $244K
Caxton Associates LLP 0.01% New 19,917 $243K
AlphaQuest LLC 0.02% Add +56.6% 19,725 $240K
Arizona State Retirement System 0.00% Add +0.4% 19,350 $236K
Voya Investment Management LLC 0.00% Add +1.5% 19,128 $233K
AE Wealth Management LLC 0.00% Reduce -12.7% 17,732 $216K
Fayez Sarofim & Co 0.00% No change 17,512 $213K
Bailard, Inc. 0.00% Reduce -45.3% 16,800 $205K
Bank of Montreal 0.00% No change 16,683 $203K
Police & Firemen's Retirement System of New Jersey 0.00% Add +20.6% 16,100 $196K
Prospera Financial Services Inc 0.00% No change 15,500 $189K
Virtu Financial LLC 0.01% New 15,104 $184K
Dynamic Technology Lab Private Ltd 0.02% New 14,909 $182K
New York State Common Retirement Fund 0.00% No change 14,753 $180K
Aristeia Capital, L.L.C. 0.01% New 14,472 $176K
Commonwealth Equity Services, LLC 0.00% New 14,014 $171K
ProShare Advisors LLC 0.00% Reduce -4.4% 13,651 $166K
Quantinno Capital Management LP 0.00% Add +0.9% 13,457 $164K
Signaturefd, LLC 0.00% Reduce -2.6% 12,965 $158K
Tower Research Capital LLC (TRC) 0.00% Add +440.8% 12,816 $156K
Atria Investments, Inc 0.00% New 12,774 $156K
FMR LLC 0.00% Add +17.3% 11,747 $143K
KLP Kapitalforvaltning As 0.00% No change 11,700 $143K
CANADA LIFE ASSURANCE Co 0.00% No change 10,719 $131K
R Squared Ltd 0.07% New 10,245 $125K
Oxford Asset Management LLP 0.04% Reduce -49.5% 10,111 $123K
Russell Investments Group, Ltd. 0.00% Add +5519.6% 9,160 $112K
Virtus Advisers, LLC 0.07% New 8,804 $107K
Gitterman Wealth Management, LLC 0.02% Reduce -46.6% 6,771 $83K
Quarry LP 0.02% Add +20.2% 6,613 $81K
Acadian Asset Management LLC 0.00% New 6,591 $80K
Ameritas Investment Partners, Inc. 0.00% No change 6,469 $79K
Point72 (DIFC) Ltd 0.01% Reduce -2.2% 5,337 $65K
Public Employees Retirement System of Ohio 0.00% Reduce -3.4% 5,318 $65K
Federated Hermes, Inc. 0.00% Add +43.5% 4,965 $61K
US Bancorp \de 0.00% Add +0.5% 3,416 $42K
STRS Ohio 0.00% Reduce -34.6% 3,400 $41K
Cwm, LLC 0.00% Reduce -14.3% 3,109 $38K
GAMMA Investing LLC 0.00% Add +45.2% 2,831 $35K
MassMutual Private Wealth & Trust, FSB 0.00% Reduce -44.7% 2,637 $32K
Amalgamated Bank 0.00% No change 2,230 $27K
Spire Wealth Management 0.00% Reduce -53.8% 1,980 $24K
Sterling Capital Management LLC 0.00% Add +55.4% 1,768 $22K
Parallel Advisors, LLC 0.00% No change 1,657 $20K
Osaic Holdings, Inc. 0.00% Add +2440.4% 1,321 $16K
MAI Capital Management 0.00% New 1,206 $15K
McIlrath & Eck, LLC 0.00% Reduce -22.9% 1,075 $13K
Nisa Investment Advisors, LLC 0.00% Add +1811.1% 1,032 $13K
Westside Investment Management, Inc. 0.00% New 970 $11K
MCF Advisors LLC 0.00% No change 824 $10K
Versant Capital Management, Inc 0.00% No change 743 $9K
Farther Finance Advisors, LLC 0.00% No change 570 $7K
Smartleaf Asset Management LLC 0.00% Reduce -59.2% 427 $5K
PNC Financial Services Group, Inc. 0.00% No change 408 $5K
True Wealth Design, LLC 0.00% Add +172.4% 335 $4K
EverSource Wealth Advisors, LLC 0.00% Add +73.9% 313 $4K
Fortitude Family Office, LLC 0.00% Add +63.8% 308 $4K
Allworth Financial LP 0.00% No change 243 $3K
Stone House Investment Management, LLC 0.00% New 200 $2K
North Star Investment Management Corp. 0.00% Reduce -45.6% 185 $2K
CIBC Private Wealth Group LLC 0.00% No change 170 $2K
Brooklyn Investment Group 0.00% Reduce -25.9% 123 $2K
Rothschild Investment LLC 0.00% Add +41.2% 120 $1K
Essential Partners LLC 0.00% — 100 $1K
Covestor Ltd 0.00% Add +148.7% 97 $1K
Hantz Financial Services, Inc. 0.00% No change 65 $1K
Parkside Financial Bank & Trust 0.00% New 55 $671
Arax Advisory Partners 0.00% No change 49 $598
Raleigh Capital Management Inc. 0.00% New 40 $488
Larson Financial Group LLC 0.00% No change 39 $475
Comerica Bank 0.00% No change 21 $256

"% 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.