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GLDD Insider Trading

Insider Ownership Percentage: 2.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $449,126.54

Great Lakes Dredge & Dock Insider Trading History Chart

This chart shows the insider buying and selling history at Great Lakes Dredge & Dock by year and by quarter.

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Great Lakes Dredge & Dock Share Price & Price History

Current Price: $16.94
Price Change: ▼ Price Decrease of -0.01 (-0.06%)
As of 03/20/2026 05:00 PM ET

This chart shows the closing price history over time for GLDD up to the past year.

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Days: 30 | 90 | 365

Great Lakes Dredge & Dock Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/10/2025David JohansonSVPSell2,100$13.96$29,316.0091,963View SEC Filing Icon  
12/3/2025David JohansonSVPSell10,000$13.02$130,200.0094,063View SEC Filing Icon  
6/3/2025Ronald StegerDirectorSell5,000$11.59$57,950.0020,404View SEC Filing Icon  
5/6/2025Eleni BeykoSVPSell22,579$10.26$231,660.5450,138View SEC Filing Icon  
3/4/2025Christopher GunstenSVPBuy3,875$7.75$30,031.2561,532View SEC Filing Icon  
11/11/2024Kathleen M. ShanahanDirectorSell23,238$12.63$293,495.9467,675View SEC Filing Icon  
8/26/2024Lasse PettersonCEOSell28,709$9.24$265,271.16902,392View SEC Filing Icon  
8/23/2024Lasse PettersonCEOSell46,510$9.08$422,310.80931,101View SEC Filing Icon  
8/19/2024Lasse PettersonCEOSell53,771$9.06$487,165.26987,758View SEC Filing Icon  
5/19/2023Ryan LevensonDirectorBuy121,721$6.82$830,137.22333,888View SEC Filing Icon  
5/17/2023Ryan LevensonDirectorBuy5,207$6.64$34,574.48205,307View SEC Filing Icon  
5/12/2023Ryan LevensonDirectorBuy68,000$6.10$414,800.00200,100View SEC Filing Icon  
5/10/2023Ryan LevensonDirectorBuy66,000$6.05$399,300.0066,100View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Great Lakes Dredge & Dock (NASDAQ:GLDD)

89.11% of Great Lakes Dredge & Dock stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at GLDD by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Great Lakes Dredge & Dock Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/20/2026Hsbc Holdings PLC53,694$0.71M0.0%-11.7%0.080%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.119,528$1.57M0.0%-12.9%0.176%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury13,524$0.18M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp120,869$1.59M0.0%-13.3%0.178%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC20,287$0.27M0.0%+4,730.2%0.030%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC312,266$4.10M0.0%+26.9%0.459%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd16,654$0.22M0.0%+51.0%0.024%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management152,586$2M0.0%+30.0%0.224%Search for SEC Filing on Google Icon
2/18/2026VARCOV Co.15,744$0.21M0.1%N/A0.023%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC70,586$0.93M0.0%-4.0%0.104%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL132,476$1.74M0.0%-53.7%0.195%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC60,925$0.80M0.1%N/A0.090%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC1,597,481$20.96M0.0%+39.4%2.349%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP21,318$0.28M0.0%N/A0.031%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC14,034$0.18M0.0%-74.2%0.021%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC508,266$6.67M0.1%+15.0%0.747%Search for SEC Filing on Google Icon
2/18/2026Aristeia Capital L.L.C.37,760$0.50M0.0%+26.6%0.056%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC37,055$0.49M0.0%-25.3%0.054%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC261,071$3.43M0.0%+32.8%0.384%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC226,275$2.97M0.0%+22.4%0.333%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC16,683$0.22M0.0%N/A0.025%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP171,645$2.25M0.0%+74.0%0.252%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC154,915$2.03M0.0%+8.4%0.228%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD40,082$0.53M0.0%+14.3%0.059%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.21,643$0.28M0.0%+1,538.4%0.032%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.138,756$1.82M0.0%-1.7%0.204%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board71,469$0.94M0.0%-12.7%0.105%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP165,931$2.18M0.0%+64.8%0.244%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada10,508$0.14M0.0%+19.4%0.015%Search for SEC Filing on Google Icon
2/17/2026Seven Six Capital Management LLC111,113$1.46M1.5%-37.8%0.163%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.29,054$0.38M0.0%-12.2%0.043%Search for SEC Filing on Google Icon
2/17/2026Magnetar Financial LLC50,021$0.66M0.0%+64.4%0.074%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC382,573$5.02M0.0%+1.5%0.563%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC86,525$1.14M0.0%+196.9%0.127%Search for SEC Filing on Google Icon
2/16/2026Wittenberg Investment Management Inc.183,100$2.40M0.9%-4.5%0.269%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.110,705$1.45M0.0%+2.3%0.163%Search for SEC Filing on Google Icon
2/16/2026Next Century Growth Investors LLC30,520$0.40M0.0%-93.2%0.045%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC139,300$1.83M0.0%+10.6%0.205%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 20,379$0.27M0.0%-9.3%0.030%Search for SEC Filing on Google Icon
2/13/2026Walleye Capital LLC206,215$2.71M0.0%+198.9%0.303%Search for SEC Filing on Google Icon
2/13/2026Fayez Sarofim & Co12,966$0.17M0.0%-26.0%0.019%Search for SEC Filing on Google Icon
2/13/2026PCM Encore LLC24,529$0.32M0.1%N/A0.036%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.205,321$2.69M0.0%-7.4%0.302%Search for SEC Filing on Google Icon
2/13/2026Essex Investment Management Co. LLC301,986$3.96M0.6%-2.2%0.444%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.554,348$7.27M0.0%-1.3%0.815%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,589,380$20.85M0.0%-1.7%2.337%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC15,511$0.20M0.0%N/A0.023%Search for SEC Filing on Google Icon
2/13/2026Martingale Asset Management L P72,802$0.96M0.0%N/A0.107%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd23,769$0.31M0.1%-62.0%0.035%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC122,030$1.60M0.0%-4.9%0.179%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN84,767$1.11M0.0%+37.3%0.125%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP132,582$1.74M0.0%-14.7%0.195%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC258,791$3.40M0.0%+1.5%0.381%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP4,300,112$56.42M0.0%-0.5%6.324%Search for SEC Filing on Google Icon
2/12/2026Integrated Quantitative Investments LLC20,523$0.27M0.1%N/A0.030%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC76,705$1.01M0.0%+292.9%0.113%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank134,200$1.76M0.0%+2.0%0.197%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC151,568$1.99M0.0%-28.6%0.223%Search for SEC Filing on Google Icon
2/12/2026Private Management Group Inc.282,493$3.71M0.1%-44.0%0.415%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC312,266$4.10M0.0%+26.9%0.459%Search for SEC Filing on Google Icon
2/11/2026Inceptionr LLC24,116$0.32M0.1%N/A0.035%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG126,848$1.66M0.0%+127.9%0.187%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.31,750$0.42M0.1%-17.2%0.047%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC134,022$1.76M0.0%+18.8%0.197%Search for SEC Filing on Google Icon
2/11/2026Brandywine Global Investment Management LLC271,720$3.57M0.0%-3.5%0.400%Search for SEC Filing on Google Icon
2/11/2026CenterBook Partners LP410,971$5.39M0.3%-20.7%0.604%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.668,280$8.77M0.0%-24.8%0.983%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd37,834$0.50M0.0%-16.8%0.056%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming43,915$0.58M0.1%+21.5%0.065%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.634,720$8.33M0.0%+120.9%0.933%Search for SEC Filing on Google Icon
2/10/2026BNP Paribas Financial Markets589,172$7.73M0.0%+37.1%0.866%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC30,976$0.41M0.0%-9.4%0.046%Search for SEC Filing on Google Icon
2/10/2026Castlekeep Investment Advisors LLC428,358$5.62M2.5%-5.8%0.630%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,630,411$21.40M0.0%-0.2%2.398%Search for SEC Filing on Google Icon
2/9/2026Employees Retirement System of Texas8,172$0.11M0.0%-47.4%0.012%Search for SEC Filing on Google Icon
2/9/2026Jackson Creek Investment Advisors LLC143,321$1.88M0.6%-2.8%0.211%Search for SEC Filing on Google Icon
2/6/2026Legato Capital Management LLC96,684$1.27M0.1%+9.6%0.142%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC12,168$0.16M0.0%+6.9%0.018%Search for SEC Filing on Google Icon
2/5/2026Passumpsic Savings Bank12,000$0.16M0.1%N/A0.018%Search for SEC Filing on Google Icon
2/5/2026ARS Investment Partners LLC18,977$0.25M0.0%-30.9%0.028%Search for SEC Filing on Google Icon
2/4/2026Simcoe Capital LLC377,684$4.96M4.7%N/A0.555%Search for SEC Filing on Google Icon
2/4/2026Bailard Inc.16,277$0.21M0.0%-29.5%0.024%Search for SEC Filing on Google Icon
2/4/2026Nwam LLC217,450$2.85M0.2%N/A0.320%Search for SEC Filing on Google Icon
1/30/2026New York State Teachers Retirement System6,081$80K0.0%N/A0.009%Search for SEC Filing on Google Icon
1/30/2026Jennison Associates LLC3,806,504$49.94M0.0%-10.9%5.598%Search for SEC Filing on Google Icon
1/30/2026American Capital Advisory LLC43,150$0.57M0.2%-11.2%0.063%Search for SEC Filing on Google Icon
1/30/2026R Squared Ltd19,819$0.26M0.1%+16.8%0.029%Search for SEC Filing on Google Icon
1/29/2026Sanctuary Advisors LLC328,554$4.31M0.0%+40.2%0.483%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.3,987,334$52.31M0.0%+2.8%5.864%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System18,834$0.25M0.0%-6.1%0.028%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH67,796$0.89M0.0%+16.8%0.100%Search for SEC Filing on Google Icon
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank 31,205$0.41M0.0%+34.5%0.046%Search for SEC Filing on Google Icon
1/27/2026Financial Management Professionals Inc.1,920$25K0.0%N/A0.003%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC2,111$28K0.0%+231.4%0.003%Search for SEC Filing on Google Icon
1/22/2026Apollon Wealth Management LLC13,335$0.18M0.0%N/A0.020%Search for SEC Filing on Google Icon
1/22/2026Bfsg LLC171,696$2.25M0.2%-3.7%0.252%Search for SEC Filing on Google Icon
1/21/2026Canton Hathaway LLC46,700$0.61M0.1%+9.1%0.069%Search for SEC Filing on Google Icon
1/16/2026Perigon Wealth Management LLC10,098$0.13M0.0%N/A0.015%Search for SEC Filing on Google Icon
1/16/2026Mirabaud & Cie SA12,000$0.16M0.1%N/A0.018%Search for SEC Filing on Google Icon
1/15/2026Allspring Global Investments Holdings LLC430,762$5.71M0.0%-12.8%0.633%Search for SEC Filing on Google Icon
Data available starting January 2016

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Great Lakes Dredge & Dock logo
Great Lakes Dredge & Dock Corp. engages in the provision of dredging services. Its projects include channel and port maintenance, channel deepening and port expansion, coastal protection and restoration, as well as land reclamation. The company was founded by William A. Lydon and Frederick C. Drews in 1890 and is headquartered in Houston, TX.
Read More on Great Lakes Dredge & Dock

Today's Range

Now: $16.94
Low: $16.94
High: $16.97

50 Day Range

MA: $16.09
Low: $13.57
High: $16.98

52 Week Range

Now: $16.94
Low: $7.51
High: $16.99

Volume

3,313,393 shs

Average Volume

1,734,079 shs

Market Capitalization

$1.13 billion

P/E Ratio

15.83

Dividend Yield

N/A

Beta

1.38

Who are the company insiders with the largest holdings of Great Lakes Dredge & Dock?

Great Lakes Dredge & Dock's top insider shareholders include:
  1. Lasse Petterson (CEO)
  2. David Johanson (SVP)
  3. Kathleen M Shanahan (Director)
  4. Christopher Gunsten (SVP)
  5. Eleni Beyko (SVP)
  6. Ronald Steger (Director)
Learn More about top insider investors at Great Lakes Dredge & Dock.

Who are the major institutional investors of Great Lakes Dredge & Dock?

Great Lakes Dredge & Dock's top institutional shareholders include:
  1. Dimensional Fund Advisors LP — 6.32%
  2. Vanguard Group Inc. — 5.86%
  3. Jennison Associates LLC — 5.60%
  4. Geode Capital Management LLC — 2.40%
  5. Millennium Management LLC — 2.35%
  6. State Street Corp — 2.34%
Learn More about top institutional investors of Great Lakes Dredge & Dock stock.

Which institutional investors are selling Great Lakes Dredge & Dock stock?

Within the last quarter, GLDD stock was sold by these institutional investors:
  1. Jennison Associates LLC
  2. Next Century Growth Investors LLC
  3. Private Management Group Inc.
  4. JPMorgan Chase & Co.
  5. Tudor Investment Corp ET AL
  6. CenterBook Partners LP
  7. Seven Six Capital Management LLC
  8. Allspring Global Investments Holdings LLC
Within the last year, company insiders that have sold Great Lakes Dredge & Dock company stock include:
  1. Lasse Petterson (CEO)
  2. David Johanson (SVP)
  3. Kathleen M Shanahan (Director)
Learn More investors selling Great Lakes Dredge & Dock stock.

Which institutional investors are buying Great Lakes Dredge & Dock stock?

In the previous quarter, GLDD stock was bought by institutional investors including:
  1. Millennium Management LLC
  2. Simcoe Capital LLC
  3. Goldman Sachs Group Inc.
  4. Nwam LLC
  5. BNP Paribas Financial Markets
  6. Walleye Capital LLC
  7. Vanguard Group Inc.
  8. Sanctuary Advisors LLC