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Disclosery

GLDD GREAT LAKES DREDGE & DOCK CO

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Common Stock (common)

190 managers (192 13F filers) reported a position in GLDD shares at 2025-03-31, 55,665,804 shares in all. 27 filers opened a position and 24 filers sold out during the quarter.

Managers
190
13F filers
192
New
27
Added
54
Reduced
82
Sold out
24
Shares held by filers
55,665,804

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.7,163,887$62.3M<0.01%+50,13413F-HRTimelineGroup
JENNISON ASSOCIATES LLC5,310,894$46.2M0.03%+981,65213F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP4,337,446$37.7M0.01%-106,14013F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC3,907,174$34M<0.01%+29,58613F-HRTimelineGroup
Harvey Partners, LLC3,733,000$32.5M3.85%+29,00013F-HRTimeline
ALLIANCEBERNSTEIN L.P.2,685,229$23.4M0.01%-180,89413F-HRTimeline
TCW GROUP INCin group TCW GROUP INC2,153,534$18.7M0.17%+82,70013F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,970,775$17.1M0.01%+355,18413F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,605,278$14M<0.01%+45,45613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,570,402$13.7M<0.01%-9,32313F-HRTimelineGroup
Minerva Advisors LLC1,389,807$12.1M8.59%+48,00013F-HR/ATimeline
PRIVATE MANAGEMENT GROUP INC1,142,542$9.94M0.35%-76,31513F-HRTimeline
CenterBook Partners LP1,121,974$9.76M0.62%+705,15913F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY700,564$6.09M<0.01%-111,74513F-HRTimelineGroup
NEXT CENTURY GROWTH INVESTORS LLC665,282$5.79M0.51%-2,18313F-HRTimeline
LONDON CO OF VIRGINIA642,744$5.59M0.03%013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP632,001$5.5M<0.01%-32,09013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO623,110$5.42M<0.01%-197,28713F-HRTimelineGroup
Prescott Group Capital Management, L.L.…576,870$5.02M0.73%+30,00013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co536,718$4.67M<0.01%-155,27013F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC516,609$4.49M<0.01%+407,38813F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC503,976$4.38M<0.01%-195,08113F-HR/ATimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.501,756$4.37M0.01%-19,36113F-HRTimelineGroup
CASTLEKEEP INVESTMENT ADVISORS LLC496,412$4.32M2.22%+7,38313F-HRTimeline
Nuveen, LLCin group TIAA455,148$3.96M<0.01%13F-HRTimelineGroup
Acuitas Investments, LLC423,234$3.68M3.14%+62,65313F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS422,829$3.68M<0.01%-18,55713F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding406,236$3.53M+32,154Timeline
Seven Six Capital Management, LLC393,299$3.42M3.07%+61,70013F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC300,821$2.62M0.55%-2,22913F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …289,450$2.52M0.01%-329,42013F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…273,477$2.38M<0.01%-3,77613F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC266,559$2.32M<0.01%-431,51213F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding254,453$2.21M+34,097Timeline
Franklin Resourcesgroup of 2 filers holding244,830$2.13M+233,794Timeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp236,677$2.06M<0.01%-3,29313F-HRTimelineGroup
Sanctuary Advisors, LLC234,268$2.04M0.01%-1,01413F-HRTimeline
TUDOR INVESTMENT CORP ET AL233,685$2.03M0.02%+7,44713F-HRTimeline
WITTENBERG INVESTMENT MANAGEMENT, INC.228,300$1.99M0.9%+47,00013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding227,235$1.98M+158,584Timeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC223,353$1.94M0.05%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP208,914$1.82M<0.01%-3,62613F-HRTimelineGroup
Empowered Funds, LLC198,353$1.73M0.02%new13F-HRTimeline
BFSG, LLC182,110$1.58M0.19%-2,12913F-HRTimeline
ALGERT GLOBAL LLC171,339$1.49M0.04%-83,00713F-HR/ATimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC162,460$1.41M<0.01%-43,21013F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.161,844$1.41M<0.01%-20,74713F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…155,005$1.35M<0.01%+60,28713F-HR/ATimelineGroup
Connor, Clark & Lunn Investment Managem…152,502$1.33M0.01%-43,89713F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/141,373$1.23M<0.01%-19,81313F-HRTimelineGroup
HB Wealth Management, LLC133,585$1.16M0.01%+28113F-HRTimeline
Swiss National Bank131,000$1.14M<0.01%013F-HRTimeline
Cullen Capital Management, LLC118,452$1.03M0.01%-19,93013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC116,400$1.01M<0.01%-162,20113F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC116,000$1.01M<0.01%+19,00013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC110,859$964K<0.01%-26,66313F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …107,828$938K<0.01%-210,77213F-HRTimelineGroup
Sequoia Financial Advisors, LLC102,742$894K0.01%+30013F-HRTimeline
RHUMBLINE ADVISERS102,310$890K<0.01%-4,25813F-HR/ATimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC100,404$874K<0.01%+38,86613F-HR/ATimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…98,721$859K<0.01%-4013F-HRTimelineGroup
Cubist Systematic Strategies, LLC97,648$850K0.01%-88,25913F-HRTimeline
Trexquant Investment LP96,062$836K0.01%-30,73513F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD93,358$812K<0.01%+38,89513F-HRTimeline
SG Americas Securities, LLC91,323$795K<0.01%-30,57513F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC89,731$781K<0.01%-34,90213F-HR/ATimelineGroup
Legato Capital Management LLC88,438$769K0.1%-1,33313F-HRTimeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A88,400$769K<0.01%013F-HRTimelineGroup
Graham Capital Management, L.P.87,148$758K0.02%+40,00513F-HRTimeline
NORGES BANK83,800$729K<0.01%013F-HR/ATimeline
KENNEDY CAPITAL MANAGEMENT LLC78,518$683K0.02%-424,62613F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc74,922$652K<0.01%-25813F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC74,222$646K<0.01%+50,88713F-HR/ATimelineGroup
FOX RUN MANAGEMENT, L.L.C.69,234$602K0.09%+32,58913F-HRTimeline
CITIGROUP INCin group CITIGROUP INC65,040$566K<0.01%-59013F-HRTimelineGroup
Qube Research & Technologies Ltd63,727$554K<0.01%-9,21113F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…62,752$546K<0.01%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC62,728$546K<0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP59,380$517K0.05%-79,46413F-HRTimeline
LPL Financial LLC56,740$494K<0.01%+42,41213F-HRTimeline
THOMPSON DAVIS & CO., INC.54,650$475K0.38%+32,70013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\53,426$465K<0.01%-5,27913F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN50,362$438K<0.01%+3,25013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC49,495$431K<0.01%new13F-HRTimeline
American Capital Advisory, LLC48,736$424K0.23%-42,84213F-HRTimeline
Semanteon Capital Management, LP48,011$418K0.23%+36,47613F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management47,772$416K<0.01%-40,64313F-HRTimelineGroup
Creative Planningin group Creative Planning43,891$382K<0.01%+4,73013F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…43,029$374K<0.01%013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS42,190$367K<0.01%-72,99313F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC41,638$362K<0.01%+7,12413F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC41,256$360K<0.01%+1,27213F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…39,190$341K<0.01%+1,65313F-HRTimelineGroup
Canton Hathaway, LLC39,100$340K0.07%+90013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…36,803$320K<0.01%-3,07413F-HRTimelineGroup
ExodusPoint Capital Management, LP35,505$309K<0.01%-34,81913F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA35,035$305K<0.01%+3,16913F-HR/ATimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC34,927$304K<0.01%new13F-HRTimeline
IQ EQ FUND MANAGEMENT (IRELAND) Ltd34,863$303K0.04%-4,99613F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…34,324$299K<0.01%+2,71913F-HRTimelineGroup
Corebridge Financial, Inc.in group Corebridge Financial, Inc.32,312$281K<0.01%-47913F-HRTimelineGroup
Oppenheimer & Close, LLC31,901$278K0.23%-7,38613F-HRTimeline
Corton Capital Inc.30,941$269K0.89%new13F-HRTimeline
BAILARD, INC.30,729$267K0.01%new13F-HRTimeline
Quantbot Technologies LP30,676$267K0.01%+11,24713F-HRTimeline
ARS Investment Partners, LLC23,562$266K0.02%013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson29,184$258K<0.01%013F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/28,330$247K<0.01%+1,92913F-HRTimeline
Engineers Gate Manager LP27,175$236K<0.01%+6,28713F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC25,800$224K<0.01%-38,38013F-HR/ATimelineGroup
WOLVERINE TRADING, LLC24,910$220K0.01%new13F-HRTimeline
Polymer Capital Management (US) LLC25,195$219K0.07%+10,72413F-HRTimeline
Mirabaud & Cie SA24,000$209K0.07%new13F-HRTimeline
EntryPoint Capital, LLC23,733$206K0.09%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …23,647$206K<0.01%-50613F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC22,187$193K0.01%-77813F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…21,523$187K<0.01%+5,56813F-HRTimeline
AE Wealth Management LLC20,315$177K<0.01%-1,72513F-HRTimeline
OXFORD ASSET MANAGEMENT LLP20,025$174K0.08%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
ARIZONA STATE RETIREMENT SYSTEM19,274$168K<0.01%-19513F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC18,847$164K<0.01%-1,81913F-HR/ATimelineGroup
Fayez Sarofim & Coin group Fayez Sarofim & Co17,512$152K<0.01%013F-HRTimelineGroup
PharVision Advisers, LLC17,297$150K0.21%new13F-HRTimeline
SIMPLEX TRADING, LLC17,349$150K0.01%new13F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/16,683$145K<0.01%013F-HRTimelineGroup
Prospera Financial Services Inc15,500$135K<0.01%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd14,958$130K0.01%new13F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND14,753$128K<0.01%013F-HR/ATimeline
Total Wealth Planning & Management, Inc.14,750$128K0.13%-31,45013F-HRTimeline
CIBC WORLD MARKETS CORP14,635$127K<0.01%new13F-HRTimeline
Atom Investors LP14,519$126K0.02%-17,48913F-HRTimeline
Olympiad Research LP14,489$126K0.15%new13F-HRTimeline
ProShare Advisors LLC14,276$124K<0.01%-4,29913F-HRTimeline
Police & Firemen's Retirement System of…13,345$116K<0.01%013F-HRTimeline
Quantinno Capital Management LP13,334$116K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC13,308$116K<0.01%-88013F-HRTimeline
Teza Capital Management LLC12,815$111K0.05%new13F-HRTimeline
Gitterman Wealth Management, LLC12,688$110K0.03%-16313F-HRTimeline
AlphaQuest LLC12,598$110K0.01%+9,67113F-HRTimeline
ELCO Management Co., LLC12,328$107K0.06%-14,45413F-HRTimeline
KLP KAPITALFORVALTNING AS11,700$102K<0.01%013F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC11,591$101K0.01%new13F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co10,719$94K<0.01%013F-HRTimelineGroup
EVERGREEN CAPITAL MANAGEMENT LLC10,449$90.9K<0.01%-15613F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC10,066$87.6K<0.01%new13F-HRTimelineGroup
FMR LLCin group FMR LLC10,013$87.1K<0.01%+1,73013F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.9,983$86.9K<0.01%-25,10513F-HR/ATimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…6,469$56.3K<0.01%013F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…5,505$47.9K<0.01%+3,75013F-HRTimeline
Quarry LP5,503$47.9K0.01%+3,74913F-HRTimeline
Point72 (DIFC) Ltd5,458$47.5K<0.01%-6,39113F-HRTimeline
STRS OHIO5,200$45.2K<0.01%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB4,767$41.5K<0.01%-35,23313F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management4,285$37.3K<0.01%+1013F-HRTimelineGroup
CWM, LLCin group CWM, LLC3,630$32K<0.01%-1,74013F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.3,460$30.1K<0.01%-2,15913F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\3,400$29.6K<0.01%-9113F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,370$20.6K<0.01%-24,30313F-HRTimelineGroup
AMALGAMATED BANK2,230$19K<0.01%013F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC1,998$17.4K<0.01%new13F-HRTimeline
GAMMA Investing LLC1,950$17K<0.01%+6613F-HR/ATimeline
Parallel Advisors, LLC1,657$14.4K<0.01%013F-HRTimeline
Lindbrook Capital, LLC1,568$13.6K<0.01%-7513F-HRTimeline
McIlrath & Eck, LLC1,395$12.1K<0.01%013F-HRTimeline
Sterling Capital Management LLC1,138$9.9K<0.01%-97413F-HRTimeline
Smartleaf Asset Management LLC1,047$9.26K<0.01%-45513F-HRTimeline
MCF Advisors LLC824$7.17K<0.01%013F-HRTimeline
Versant Capital Management, Inc743$6.46K<0.01%+39313F-HRTimeline
Farther Finance Advisors, LLC570$5.08K<0.01%-25813F-HRTimeline
THURSTON, SPRINGER, MILLER, HERD & TITA…455$3.96K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…408$3.55K<0.01%-1113F-HRTimelineGroup
Legacy Wealth Managment, LLC/IDin group Legacy Wealth Managment, LLC/…400$3.48K<0.01%013F-HRTimelineGroup
North Star Investment Management Corp.340$2.96K<0.01%-6013F-HRTimeline
Allworth Financial LP243$2.2K<0.01%-19713F-HRTimeline
Fortitude Family Office, LLC188$1.64K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…180$1.57K<0.01%+13513F-HRTimelineGroup
Brooklyn Investment Group166$1.45K<0.01%new13F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…163$1.42K<0.01%-6,53913F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.170$1.37K<0.01%013F-HRTimelineGroup
True Wealth Design, LLC123$1.07K<0.01%new13F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.65$1K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
ROTHSCHILD INVESTMENT LLC85$740<0.01%-3513F-HRTimeline
Amundiin group Amundi60$514<0.01%013F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC54$470<0.01%-4613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.52$452<0.01%-2,02013F-HRTimelineGroup
Arax Advisory Partners49$427<0.01%-76713F-HRTimeline
Larson Financial Group LLC39$339<0.01%new13F-HRTimeline
COMERICA BANK21$183<0.01%013F-HRTimeline
Covestor Ltd39$00%new13F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.