NASDAQ: GLDD
Great Lakes Dredge & Dock Corp Stock Ownership - Who owns Great Lakes Dredge & Dock?

Insider buying vs selling

Have Great Lakes Dredge & Dock Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David JohansonSVP-Project Acquisition Ops2025-12-0310,000$13.02
$130.15kSell
Scott Lee KornblauSVP CFO2025-08-1159,805$11.48
$686.32kSell
Ronald StegerDirector2025-06-035,000$11.59
$57.93kSell
Eleni BeykoSVP - Offshore Energy2025-05-0622,579$10.26
$231.59kSell
Scott Lee KornblauSVP CFO2025-05-051,676$9.54
$15.99kSell
Eleni BeykoSVP - Offshore Energy2025-05-0528$9.54
$267.12Sell
Eleni BeykoSVP - Offshore Energy2025-05-0544$9.54
$419.76Sell
Eleni BeykoSVP - Offshore Energy2025-05-05846$9.54
$8.07kSell
Eleni BeykoSVP - Offshore Energy2025-05-05540$9.54
$5.15kSell
Christopher GunstenSVP-Proj Svcs Fleet Engineer2025-05-05129$9.54
$1.23kSell

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Net Insider Buy/Sell (L12M) Ownership

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GLDD Shareholders

What type of owners hold Great Lakes Dredge & Dock Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Madison Dearborn Capital Partners IV LP39.13%26,606,526$347.22MInsider
Blackrock Inc10.20%6,937,720$90.54MInstitution
Hound Partners LLC7.72%5,246,850$68.47MInsider
Jason Weiss6.86%4,664,749$60.87MInsider
Dimensional Fund Advisors LP6.36%4,323,251$56.42MInstitution
Jennison Associates LLC6.29%4,274,268$55.78MInstitution
Vanguard Group Inc5.70%3,879,301$50.62MInstitution
Harvey Partners LLC5.44%3,700,551$48.29MInstitution
Nathan Leight4.05%2,753,132$35.93MInsider
American Century Companies Inc3.55%2,412,467$31.48MInstitution

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GLDD vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
GLDD54.38%45.62%Net SellingNet Selling
LMB42.05%57.95%Net SellingNet Selling
BWMN51.74%48.26%Net SellingNet Selling
ORN82.53%12.67%Net SellingNet Selling
SUPX12.07%0.00%

Great Lakes Dredge & Dock Stock Ownership FAQ

Who owns Great Lakes Dredge & Dock?

Great Lakes Dredge & Dock (NASDAQ: GLDD) is owned by 80.34% institutional shareholders, 67.41% Great Lakes Dredge & Dock insiders, and 0.00% retail investors. Madison Dearborn Capital Partners IV LP is the largest individual Great Lakes Dredge & Dock shareholder, owning 26.61M shares representing 39.13% of the company. Madison Dearborn Capital Partners IV LP's Great Lakes Dredge & Dock shares are currently valued at $342.96M.

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