Great Lakes Dredge & Dock stock (US3903331032): Latest short interest data signals market dynamics

Great Lakes Dredge & Dock (AMRC) saw its short interest drop to 9.54% of float as of recent data, down from 13.59% in April 2026, amid ongoing operations in the US dredging sector.

Great Lakes Dredge & Dock, ticker AMRC on NYSE, reported a notable decline in short interest, falling to 3.03 million shares or 9.54% of the float as of the latest update, compared to 3.95 million shares (13.59%) as of April 30, 2026, according to MarketBeat as of May 2026. This reduction in bearish bets comes as the company maintains its position as a key player in US marine construction and dredging projects. The stock traded at around $22.50 USD on NYSE on May 13, 2026, reflecting steady interest from US investors in infrastructure-related names.

As of: 14.05.2026

By the editorial team – specialized in equity coverage.

At a glance

• Name: Great Lakes Dredge & Dock Corporation
• Sector/industry: Industrials / Marine Construction
• Headquarters/country: USA
• Core markets: United States coastal and inland waterways
• Key revenue drivers: Dredging contracts, beach renourishment, port maintenance
• Home exchange/listing venue: NYSE (AMRC)
• Trading currency: USD

Great Lakes Dredge & Dock: core business model

Great Lakes Dredge & Dock specializes in dredging, marine construction, and related services primarily serving US government and commercial clients. The company operates a fleet of hopper dredges, mechanical dredges, and support vessels for projects like channel deepening, beach nourishment, and environmental restoration. With over a century of history, it holds a leading position in the US dredging market, where federal contracts from the US Army Corps of Engineers form a significant revenue portion. For US investors, exposure to infrastructure spending via the Infrastructure Investment and Jobs Act underscores its relevance.

The business model relies on long-term contracts, with revenue recognized over project durations. In its Q1 2026 results published April 30, 2026, the company reported revenue of $338.9 million for 2025 full year, up from prior periods, per its IR filings as of April 2026. Operations span East Coast ports, Gulf of Mexico, and Great Lakes regions.

Main revenue and product drivers for Great Lakes Dredge & Dock

Core revenue stems from maintenance dredging (40-50% historically), beach and shore protection, and river/port deepening. Key projects include Savannah Harbor Expansion and New York/New Jersey Harbor work. In 2025, the company secured contracts worth over $500 million, bolstering its backlog to $2.1 billion as reported in Q4 2025 earnings on March 5, 2026. Fuel costs and weather remain key variables, but diversified fleet utilization supports margins around 10-12% EBITDA.

Rising US port modernization demands, driven by larger vessels post-Panamax, position the company favorably. Recent short interest decline to 9.54% may reflect improved sentiment amid steady contract wins.

Industry trends and competitive position

The US dredging industry benefits from $1.4 trillion infrastructure funding, with annual federal dredging spend exceeding $1 billion. Great Lakes Dredge & Dock commands about 50% market share in hopper dredging, ahead of competitors like Manson Construction. Sector growth is tied to climate resilience projects and trade volume growth at ports like Houston and Miami.

Why Great Lakes Dredge & Dock matters for US investors

As the only publicly traded pure-play dredger on NYSE, Great Lakes Dredge & Dock offers direct exposure to US infrastructure renewal. With multi-year backlogs tied to federal budgets, it aligns with policy priorities on supply chain resilience and coastal protection, appealing to investors tracking industrials amid election cycles.

Conclusion

The recent drop in short interest for Great Lakes Dredge & Dock to 9.54% of float highlights shifting market dynamics, supported by a robust project backlog and sector tailwinds. While contract execution and commodity costs warrant monitoring, the company's entrenched US market role provides stability. US investors gain targeted access to dredging via this NYSE-listed name.

Disclaimer: This article does not constitute investment advice. Stocks are volatile financial instruments.