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 Ops2026-03-161,029$16.93
$17.42kSell
Ryan BayerVP CAO2026-03-161,282$16.93
$21.70kSell
Ryan BayerVP CAO2026-03-16854$16.93
$14.46kSell
David JohansonSVP-Project Acquisition Ops2026-03-161,659$16.93
$28.09kSell
David JohansonSVP-Project Acquisition Ops2026-03-163,080$16.93
$52.14kSell
David JohansonSVP-Project Acquisition Ops2026-03-162,057$16.93
$34.83kSell
Eleni BeykoSVP - Offshore Energy2026-03-162,645$16.93
$44.78kSell
Scott Lee KornblauSVP CFO2026-03-164,719$16.93
$79.89kSell
Scott Lee KornblauSVP CFO2026-03-168,762$16.93
$148.34kSell
Scott Lee KornblauSVP CFO2026-03-162,926$16.93
$49.54kSell

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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 LP39.84%26,606,526$450.45MInsider
Blackrock Inc10.33%6,897,215$116.77MInstitution
Hound Partners LLC7.86%5,246,850$88.83MInsider
Jason Weiss6.99%4,664,749$78.97MInsider
Dimensional Fund Advisors LP6.44%4,300,112$72.80MInstitution
Vanguard Group Inc5.97%3,987,334$67.51MInstitution
Jennison Associates LLC5.70%3,806,504$64.44MInstitution
Harvey Partners LLC5.55%3,703,215$62.70MInstitution
Nathan Leight4.12%2,753,132$46.61MInsider
American Century Companies Inc3.87%2,584,604$43.76MInstitution

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GLDD vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
GLDD54.77%45.23%Net SellingNet Selling
WLDN60.14%39.86%Net SellingNet Selling
LMB42.21%57.79%Net SellingNet Selling
AMRC62.62%18.61%Net BuyingNet Buying
TIC77.92%22.08%Net Selling

Great Lakes Dredge & Dock Stock Ownership FAQ

Who owns Great Lakes Dredge & Dock?

Great Lakes Dredge & Dock (NASDAQ: GLDD) is owned by 83.83% institutional shareholders, 69.24% 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 39.84% of the company. Madison Dearborn Capital Partners IV LP's Great Lakes Dredge & Dock shares are currently valued at $450.98M.

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