Mario Gabelli's GLDD Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 20,000 shares of Great Lakes Dredge & Dock Corporation (GLDD) worth $340,000, representing 0.00% of the portfolio. First purchased in 2013-Q2, this medium-term investment has been held for 13 quarters.
Based on 13F filings, Mario Gabelli has maintained a strategic position in GLDD, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2026, adding 20,000 shares. Largest reduction occurred in Q1 2016, reducing 31,700 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Great Lakes Dredge & Dock Corporation (GLDD) Holding Value Over Time
Track share changes against reported price movement
Quarterly Great Lakes Dredge & Dock Corporation (GLDD) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +20,000 | New Buy | 20,000 | $17.00 |
| Q1 2016 | -31,700 | Sold Out | 0 | $0.00 |
| Q4 2015 | -11,500 | Reduce 26.62% | 31,700 | $3.97 |
| Q3 2015 | +1,600 | Add 3.85% | 43,200 | $5.05 |
| Q2 2015 | +3,400 | Add 8.90% | 41,600 | $5.96 |
| Q1 2015 | -12,000 | Reduce 23.90% | 38,200 | $6.02 |
| Q3 2014 | +6,000 | Add 13.57% | 50,200 | $6.18 |
| Q3 2013 | +2,000 | Add 4.74% | 44,200 | $7.42 |
| Q2 2013 | +42,200 | Add 0.00% | 42,200 | $7.82 |
Mario Gabelli's Great Lakes Dredge & Dock Corporation Investment FAQs
Mario Gabelli first purchased Great Lakes Dredge & Dock Corporation (GLDD) in Q2 2013, acquiring 42,200 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Great Lakes Dredge & Dock Corporation (GLDD) for 13 quarters since Q2 2013.
Mario Gabelli's largest addition to Great Lakes Dredge & Dock Corporation (GLDD) was in Q2 2013, adding 42,200 shares worth $330,000.
According to the latest 13F filing for Q1 2026, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 20,000 shares of Great Lakes Dredge & Dock Corporation (GLDD), valued at approximately $340,000.
As of the Q1 2026 filing, Great Lakes Dredge & Dock Corporation (GLDD) represents approximately 0.00% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Great Lakes Dredge & Dock Corporation (GLDD) was 50,200 shares, as reported at the end of Q3 2014.