Great Lakes Dredge & Dock Corporation (GLDD)

Great Lakes Dredge & Dock Corp. (GLDD) stock has experienced significant positive movement, reaching an all-time high of $16.99 USD on March 25, 2026. Saltchuk Resources announced its intent to acquire Great Lakes Dredge & Dock in a deal valued at approximately $1.2 billion. JPMorgan initiated coverage with an "Overweight" rating, while Zacks Research upgraded GLDD to a "hold" and Weiss Ratings raised it to a "buy". The company has seen a "remarkable turnaround" in revenue, profits, and cash flows, leading to Seeking Alpha upgrading the stock to a "buy". S&P Global Ratings raised its issuer credit rating on Great Lakes to 'B' from 'B-'. Following its earnings release on February 23, 2026, the stock drifted 0.2% higher.

Great Lakes Dredge & Dock Corp. exhibits some demand seasonality based on historical data over 20 years. May has historically been the strongest month, while February tends to be the weakest month. Demand for GLDD's services is driven by deep port capital projects, coastal protection projects, offshore wind projects, and maintenance dredging.

Great Lakes Dredge & Dock Corp. (GLDD) is the largest American heavy construction contractor specializing in dredging and land reclamation services in the United States. The company's core business involves construction services in marine environments. GLDD enhances and preserves waterways, shipping channels, and ports. They create and maintain beaches and restore aquatic and wetland habitats. GLDD also excavates new harbors and improves low-lying land areas. Additionally, they excavate pipeline, cable, and tunnel trenches and provide subsea rock installation.

GLDD operates extensively within the United States, focusing on the Gulf Coast, East Coast, and West Coast, as well as inland rivers and lakes. Approximately one-quarter of its business is conducted internationally, including the Middle East, Europe, Africa, Mexico, Australia, the Caribbean, and Central and South America. The company's headquarters are located in Houston, Texas, and it maintains marine yards in five U.S. locations.

Great Lakes Dredge & Dock Corp. maintains a strong brand reputation, reinforced by its position as the largest dredging services provider in the U.S. and its consistent operational performance. The company's strong safety record also contributes positively to its reputation. The upgrade of its issuer credit rating by S&P Global Ratings further indicates a positive perception of the company's financial health and operational efficiency.

The ownership structure of Great Lakes Dredge & Dock Corp. is predominantly institutional, with institutional investors holding 84.50% of the shares as of May 2025. Major institutional owners include BlackRock, Inc., Dimensional Fund Advisors Lp, and Vanguard Group Inc. Insiders increased their holdings from 2.93% to 3.26% in May 2025.