SCHEDULE: BlackRock Reports 8.2% Stake in Great Lakes Dredge & Dock

BlackRock, Inc. has disclosed a beneficial ownership of 8.2% in Great Lakes Dredge & Dock Corp. as of March 31, 2026.

Summary

• BlackRock, Inc. has filed a Schedule 13G, indicating its beneficial ownership of Great Lakes Dredge & Dock Corp. common stock.
• As of March 31, 2026, BlackRock beneficially owns 5,467,592 shares, representing 8.2% of the class.
• The filing specifies that BlackRock has sole voting power over 5,306,560 shares and sole dispositive power over 5,467,592 shares.
• This filing is an amendment to a previous filing, with Amendment No. 17.
• BlackRock is filing under Rule 13d-1(b) and is classified as a holding company (HC).

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as it is a routine disclosure of institutional ownership and does not provide new operational or financial performance data for the company.

Positives

• BlackRock, a significant institutional investor, holds a substantial stake in Great Lakes Dredge & Dock Corp., which can be viewed as a positive signal of confidence.
• The filing indicates clear and sole voting and dispositive power for BlackRock over its holdings, suggesting straightforward control and decision-making.

Negatives

• The filing does not contain any negative financial or operational information about Great Lakes Dredge & Dock Corp. itself, as it is a disclosure of ownership by BlackRock.

Risks

• The primary risk associated with this type of filing is the potential for significant shareholding changes by large institutional investors like BlackRock, which could impact market price.
• While not explicitly stated as a risk in this filing, a large stake held by an activist investor could lead to pressure on management for strategic changes.

Future Outlook

This filing is a disclosure of current ownership and does not contain forward-looking statements or guidance from Great Lakes Dredge & Dock Corp. or BlackRock regarding future performance.

Management Comments

• BlackRock, Inc. certifies that the securities were acquired and are held in the ordinary course of business and were not acquired or held for the purpose of or with the effect of changing or influencing the control of the issuer.

Industry Context

StockSavvy.ai notes that significant stake disclosures by major asset managers like BlackRock in industrial companies are common and often reflect strategic investment decisions based on market analysis and company fundamentals. This filing places Great Lakes Dredge & Dock Corp. under the spotlight of a prominent institutional investor.

Stakeholder Impact

• Shareholders: The disclosure of a significant stake by BlackRock may influence investor sentiment and potentially lead to increased trading volume.
• Management of Great Lakes Dredge & Dock Corp.: May face increased scrutiny or engagement from BlackRock regarding corporate strategy and performance.
• Competitors: The filing provides insight into the investor base of Great Lakes Dredge & Dock Corp.

Next Steps

• BlackRock will continue to hold or manage its stake in Great Lakes Dredge & Dock Corp.
• Great Lakes Dredge & Dock Corp. will continue its operations as disclosed in its other filings.

Key Dates

Keywords

Great Lakes Dredge & Dock Corp, BlackRock, Inc., Schedule 13G, Beneficial Ownership, Institutional Investor, Common Stock, SEC Filing, Delaware, Holding Company