Institutional shares held 56.9 Million
687K calls
13.7K puts
Total value of holdings $661M
$7.98M calls
$159K puts
Market Cap $768M
66,083,300 Shares Out.
Institutional ownership 86.12%
# of Institutions 206


Latest Institutional Activity in GLDD

Top Purchases

Q2 2025
Arrowstreet Capital, Limited Partnership Shares Held: 841K ($9.77M)
Q2 2025
Cubist Systematic Strategies, LLC Shares Held: 492K ($5.72M)
Q2 2025
Renaissance Technologies LLC Shares Held: 384K ($4.47M)
Q2 2025
Allspring Global Investments Holdings, LLC Shares Held: 248K ($2.88M)
Q2 2025
Two Sigma Investments, LP Shares Held: 349K ($4.05M)

Top Sells

Q2 2025
Alliancebernstein L.P. Shares Held: 78.8K ($916K)
Q2 2025
Center Book Partners LP Shares Held: 351K ($4.08M)
Q2 2025
Jennison Associates LLC Shares Held: 4.79M ($55.7M)
Q2 2025
Private Management Group Inc Shares Held: 654K ($7.59M)
Q2 2025
Goldman Sachs Group Inc Shares Held: 354K ($4.11M)

About GLDD

Great Lakes Dredge & Dock Corporation provides dredging services in the United States. The company engages in capital dredging that consists of port expansion projects; coastal restoration and land reclamations; trench digging for pipelines, tunnels, and cables; and other dredging related to the construction of breakwaters, jetties, canals, and other marine structures. It is also involved in coastal protection projects that comprises of moving sand from the ocean floor to shoreline locations where erosion threatens shoreline assets; maintenance dredging, which consists of the re-dredging of previously deepened waterways and harbors to remove silt, sand, and other accumulated sediments; land reclamations, channel deepening, and port infrastructure development; and lake and river dredging, inland levee and construction dredging, environmental restoration and habitat improvement, and other marine construction projects. The company serves federal, state, and local governments; foreign governments; and domestic and foreign private concerns, such as utilities, oil, and other energy companies. It operates a fleet of 18 dredges, 17 material transportation barges, 1 drillboat, and various other support vessels. The company was formerly known as Lydon & Drews Partnership and changed its name to Great Lakes Dredge & Dock Corporation in 1905. Great Lakes Dredge & Dock Corporation was founded in 1890 and is headquartered in Houston, Texas.


Insider Transactions at GLDD

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
654K Shares
From 14 Insiders
Grant, award, or other acquisition 647K shares
Exercise of conversion of derivative security 2.85K shares
Open market or private purchase 3.88K shares
Sell / Disposition
307K Shares
From 14 Insiders
Open market or private sale 173K shares
Payment of exercise price or tax liability 135K shares

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