Great Lakes Dredge & Dock (GLDD) Short Interest Ratio & Short Volume $10.86 -0.18 (-1.63%) Closing price 05/21/2025 04:00 PM EasternExtended Trading$11.00 +0.14 (+1.33%) As of 05/21/2025 05:09 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Great Lakes Dredge & Dock Short Interest DataGreat Lakes Dredge & Dock (GLDD) has a short interest of 973,300 shares. This marks a 5.35% increase in short interest from the previous month. The short interest ratio (days to cover) is 1.8, indicating that it would take 1.8 days of the average trading volume of 470,290 shares to cover all short positions.Current Short Interest973,300 sharesPrevious Short Interest923,900 sharesChange Vs. Previous Month+5.35%Dollar Volume Sold Short$8.85 millionShort Interest Ratio1.8 Days to CoverLast Record DateApril 30, 2025Outstanding Shares67,926,000 sharesPercentage of Shares Shorted1.43%Today's Trading Volume450,941 sharesAverage Trading Volume470,290 sharesToday's Volume Vs. Average96% Short Selling Great Lakes Dredge & Dock? Sign up to receive the latest short interest report for Great Lakes Dredge & Dock and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartGLDD Short Interest Over TimeGLDD Days to Cover Over TimeGLDD Percentage of Float Shorted Over Time Great Lakes Dredge & Dock Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/2025973,300 shares $8.85 million +5.4%N/A1.8 $9.09 4/15/2025923,900 shares $8.31 million -4.8%1.4%2 $8.99 3/31/2025970,800 shares $8.45 million +16.5%1.5%2.1 $8.70 3/15/2025833,600 shares $7.21 million +10.4%1.3%1.8 $8.65 2/28/2025754,900 shares $6.41 million +6.1%1.2%1.7 $8.49 2/15/2025711,500 shares $7.83 million +11.0%1.1%1.6 $11.00 1/31/2025641,000 shares $7.04 million -2.6%1.0%1.6 $10.99 1/15/2025657,900 shares $7.74 million +14.0%1.0%1.6 $11.77 12/31/2024577,100 shares $6.52 million -33.0%0.9%1.4 $11.29 12/15/2024861,800 shares $10.32 million +13.2%1.3%2.1 $11.98 Get the Latest News and Ratings for GLDD and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Great Lakes Dredge & Dock and its competitors with MarketBeat's FREE daily newsletter. 11/30/2024761,200 shares $9.61 million -10.1%1.2%1.8 $12.63 11/15/2024846,600 shares $10.10 million +26.3%1.3%1.7 $11.94 10/31/2024670,400 shares $7.66 million -15.4%1.0%1.4 $11.43 10/15/2024792,100 shares $9.13 million -3.8%1.2%1.6 $11.53 9/30/2024823,200 shares $8.67 million -6.2%1.3%1.6 $10.53 9/15/2024878,000 shares $8.64 million -10.4%1.3%1.8 $9.84 8/31/2024979,700 shares $9.75 million +1.6%1.5%2.1 $9.95 8/15/2024964,500 shares $8.73 million -29.1%1.5%2.3 $9.05 7/31/20241,360,000 shares $12.82 million +1.5%2.1%3.1 $9.43 7/15/20241,340,000 shares $11.93 million -10.7%2.1%3 $8.90 6/30/20241,500,000 shares $13.17 million -13.3%2.3%3.7 $8.78 6/15/20241,730,000 shares $15.19 million +71.3%2.7%4.4 $8.78 5/31/20241,010,000 shares $9.24 million -22.9%1.6%2.5 $9.15 5/15/20241,310,000 shares $12.64 million -16.0%2.0%3.3 $9.65 4/30/20241,560,000 shares $10.30 million +13.9%2.4%3.7 $6.60 4/15/20241,370,000 shares $10.59 million +2.2%2.1%3.7 $7.73 3/31/20241,340,000 shares $11.73 million -15.2%2.1%3.6 $8.75 3/15/20241,580,000 shares $13.62 million +13.7%2.5%4.1 $8.62 2/29/20241,390,000 shares $12.43 million -6.7%2.2%3.7 $8.94 2/15/20241,490,000 shares $14.23 million +0.7%2.3%4.1 $9.55 1/31/20241,480,000 shares $11.31 million +11.3%2.3%4.2 $7.64 1/15/20241,330,000 shares $9.95 million -3.6%2.1%3.6 $7.48 12/31/20231,380,000 shares $10.60 million +9.5%2.1%3.7 $7.68 12/15/20231,260,000 shares $9.30 million +5.9%2.0%3.4 $7.38 11/30/20231,190,000 shares $8.00 million -1.7%1.9%3.3 $6.72 11/15/20231,210,000 shares $7.87 million +11.0%1.9%3.4 $6.50 10/31/20231,090,000 shares $8.28 million -0.9%1.7%3.3 $7.60 10/15/20231,100,000 shares $8.86 million +0.9%1.7%3.1 $8.05 9/30/20231,090,000 shares $8.69 million +0.9%1.7%2.9 $7.97 9/15/20231,080,000 shares $8.19 million -6.9%1.7%2.8 $7.58Is President Trump Lying To You With This? 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So is this opportunity.Protect your IRA—Trump’s warning was real 8/31/20231,160,000 shares $10.24 million -3.3%1.8%2.8 $8.83 8/15/20231,200,000 shares $10.68 million -0.8%1.9%2.7 $8.90 7/31/20231,210,000 shares $10.16 million -5.5%1.9%2.5 $8.40 7/15/20231,280,000 shares $10.19 million -7.3%2.0%2.9 $7.96 6/30/20231,380,000 shares $11.26 million -6.8%2.2%3.2 $8.16 6/15/20231,480,000 shares $11.07 million -5.1%2.3%3.3 $7.48 5/31/20231,560,000 shares $9.89 million +4.0%2.4%3.1 $6.34 5/15/20231,500,000 shares $9.54 million -5.1%2.3%2.8 $6.36 4/30/20231,580,000 shares $9.05 million +2.6%2.5%2.6 $5.73 4/15/20231,540,000 shares $8.76 million +18.5%2.4%2.3 $5.69 3/31/20231,300,000 shares $7.06 million +30.0%2.0%1.9 $5.43 3/15/20231,000,000 shares $5.14 million +24.2%1.6%1.4 $5.14 2/28/2023805,500 shares $4.62 million -9.0%1.3%1.2 $5.74 2/15/2023885,100 shares $5.45 million -42.2%1.4%1.4 $6.16 1/31/20231,530,000 shares $10.53 million -12.1%2.4%2.8 $6.88 1/15/20231,740,000 shares $11.14 million -2.8%2.7%3.3 $6.40 12/30/20221,790,000 shares $10.65 million +16.2%2.8%3.8 $5.95 12/15/20221,540,000 shares $10.30 million +2.7%2.4%3.4 $6.69 11/30/20221,500,000 shares $10.98 million -9.1%2.3%4.1 $7.32 11/15/20221,650,000 shares $11.93 million -9.8%2.6%4.5 $7.23 10/31/20221,830,000 shares $13.83 million +2.8%2.8%5.2 $7.56 10/15/20221,780,000 shares $13.19 million +4.7%2.8%4.8 $7.41 9/30/20221,700,000 shares $12.89 million +15.7%2.7%4.9 $7.58 9/15/20221,470,000 shares $14.42 million -5.2%2.3%4.5 $9.81 8/31/20221,550,000 shares $14.83 million +0.7%2.4%4.9 $9.57 8/15/20221,540,000 shares $16.22 million +7.7%2.4%5 $10.53 7/31/20221,430,000 shares $18.49 million -4.0%2.2%5.1 $12.93 7/15/20221,490,000 shares $17.58 million +0.7%2.3%6.7 $11.80 6/30/20221,480,000 shares $19.40 million -4.5%2.3%6.6 $13.11 6/15/20221,550,000 shares $22.61 million +3.3%2.6%6.9 $14.59 5/31/20221,500,000 shares $22.05 million +8.7%2.3%7 $14.70 5/15/20221,380,000 shares $19.43 million +9.5%2.2%6.5 $14.08 4/30/20221,260,000 shares $17.40 million +3.3%2.0%5.9 $13.81 4/15/20221,220,000 shares $16.92 million -6.2%1.9%5.5 $13.87 3/31/20221,300,000 shares $18.24 million -5.8%2.0%6.1 $14.03 3/15/20221,380,000 shares $20.48 million +4.6%2.2%6.6 $14.84 2/28/20221,320,000 shares $18.63 million +3.1%2.1%6.3 $14.11 2/15/20221,280,000 shares $17.92 million +24.3%2.0%6.1 $14.00 1/31/20221,030,000 shares $14.10 million +27.0%1.6%5.2 $13.69 1/15/2022811,100 shares $12.16 million -4.5%N/A4.3 $14.99 12/31/2021849,200 shares $13.35 million -4.8%1.3%4.8 $15.72 12/15/2021892,400 shares $13.84 million -4.8%1.4%4.6 $15.51 11/30/2021937,700 shares $13.86 million -10.7%1.5%4.6 $14.78 11/15/20211,050,000 shares $16.75 million +2.9%1.6%5.2 $15.95 10/29/20211,020,000 shares $15.52 million -14.3%1.6%5.1 $15.22 10/15/20211,190,000 shares $17.26 million +5.3%1.9%5.7 $14.50 9/30/20211,130,000 shares $17.05 million -5.8%1.8%4.8 $15.09 9/15/20211,200,000 shares $18.52 million +0.8%1.9%5.1 $15.43 8/31/20211,190,000 shares $17.98 million +7.2%1.9%5.2 $15.11 8/13/20211,110,000 shares $16.51 million -10.5%1.7%4.4 $14.87The Prophet's Newest Prediction (Ad)A storm is brewing in the markets: new tariffs, recession warnings, and panic in the headlines. 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Hear Tilson’s take now 7/30/20211,240,000 shares $19.10 million +17.0%2.0%4.4 $15.40 7/15/20211,060,000 shares $15.06 million +2.9%1.7%3.4 $14.21 6/30/20211,030,000 shares $15.05 million -10.4%1.6%3.2 $14.61 6/15/20211,150,000 shares $16.84 million -17.3%1.8%3.4 $14.64 5/28/20211,390,000 shares $20.31 million +1.5%2.2%3.9 $14.61 5/14/20211,370,000 shares $19.21 million +9.6%N/A3.6 $14.02 4/30/20211,250,000 shares $19.74 million +5.9%N/A3.1 $15.79 4/15/20211,180,000 shares $17.62 million -3.3%N/A2.9 $14.93 3/31/20211,220,000 shares $17.30 million -22.3%N/A3 $14.18 3/15/20211,570,000 shares $24.74 million +2.0%2.5%3.7 $15.76 2/26/20211,540,000 shares $23.49 million +19.4%N/A3.8 $15.25 2/12/20211,290,000 shares $20.01 million +4.9%2.0%3.3 $15.51 1/29/20211,230,000 shares $16.97 million -18.0%2.0%3.4 $13.80 1/15/20211,500,000 shares $21.42 million -9.1%2.4%4.2 $14.28 12/31/20201,650,000 shares $21.55 million +5.1%2.6%5.1 $13.06 12/15/20201,570,000 shares $17.82 million -1.3%2.5%5.3 $11.35 11/30/20201,590,000 shares $18.03 million -9.7%2.5%5 $11.34 11/15/20201,760,000 shares $19.34 million -17.4%2.8%5.1 $10.99 10/30/20202,130,000 shares $21.88 million -1.8%3.4%5.9 $10.27 10/15/20202,170,000 shares $22.81 million -3.6%3.5%5.4 $10.51 9/30/20202,250,000 shares $21.40 million -3.0%3.6%5.5 $9.51 9/15/20202,320,000 shares $21.09 million +8.9%3.7%5.1 $9.09 8/31/20202,130,000 shares $19.96 million -7.0%3.4%4.7 $9.37 8/14/20202,290,000 shares $23.08 million -10.6%3.6%4.8 $10.08 7/31/20202,560,000 shares $21.40 million -4.8%4.1%5.3 $8.36 7/15/20202,690,000 shares $22.62 million +3.1%4.3%5.8 $8.41 6/30/20202,610,000 shares $23.75 million +6.1%4.2%5.5 $9.10 6/15/20202,460,000 shares $22.61 million -0.8%3.9%5 $9.19 5/29/20202,480,000 shares $22.94 million -4.6%4.0%4.5 $9.25 GLDD Short Interest - Frequently Asked Questions What is Great Lakes Dredge & Dock's current short interest? Short interest is the volume of Great Lakes Dredge & Dock shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 973,300 shares of GLDD short. Learn More on Great Lakes Dredge & Dock's current short interest. What is a good short interest ratio for Great Lakes Dredge & Dock? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. GLDD shares currently have a short interest ratio of 2.0. Learn More on Great Lakes Dredge & Dock's short interest ratio. Which institutional investors are shorting Great Lakes Dredge & Dock? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Great Lakes Dredge & Dock: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Great Lakes Dredge & Dock's short interest increasing or decreasing? Great Lakes Dredge & Dock saw a increase in short interest in the month of April. As of April 30th, there was short interest totaling 973,300 shares, an increase of 5.3% from the previous total of 923,900 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does Great Lakes Dredge & Dock's short interest compare to its competitors? Here is how the short interest of companies compare to Great Lakes Dredge & Dock: MYR Group Inc. (5.94%), Argan, Inc. (6.45%), Tutor Perini Co. (3.79%), Ameresco, Inc. (11.01%), Northwest Pipe (1.49%), Matrix Service (2.20%), Orion Group Holdings, Inc. (2.15%), Quanta Services, Inc. (3.44%), EMCOR Group, Inc. (3.06%), Comfort Systems USA, Inc. (2.23%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Great Lakes Dredge & Dock stock? Short selling GLDD is an investing strategy that aims to generate trading profit from Great Lakes Dredge & Dock as its price is falling. GLDD shares are trading down $0.18 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Great Lakes Dredge & Dock? A short squeeze for Great Lakes Dredge & Dock occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of GLDD, which in turn drives the price of the stock up even further. How often is Great Lakes Dredge & Dock's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including GLDD, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies MYR Group Short Interest Data Argan Short Interest Data Tutor Perini Short Interest Data Ameresco Short Interest Data Northwest Pipe Short Interest Data Matrix Service Short Interest Data Orion Group Short Interest Data Quanta Services Short Interest Data EMCOR Group Short Interest Data Comfort Systems USA Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:GLDD) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. 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