Great Lakes Dredge & Dock (GLDD) Short Interest Ratio & Short Volume $11.78 +0.02 (+0.17%) Closing price 09/26/2025 04:00 PM EasternExtended Trading$12.08 +0.31 (+2.59%) As of 04:33 AM 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 792,300 shares, representing 1.19% of the float (the number of shares available for trading by the public). This marks a -3.95% decrease 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 429,367 shares to cover all short positions.Current Short Interest792,300 sharesPrevious Short Interest824,900 sharesChange Vs. Previous Month-3.95%Dollar Volume Sold Short$9.24 millionShort Interest Ratio1.8 Days to CoverLast Record DateAugust 31, 2025Outstanding Shares68,000,000 sharesShort Percent of Float1.19%Today's Trading Volume263,495 sharesAverage Trading Volume429,367 sharesToday's Volume Vs. Average61% 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 Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. 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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 8/31/2025792,300 shares $9.24 million -4.0%1.2%1.8 $11.66 8/15/2025824,900 shares $9.36 million -4.0%N/A1.8 $11.35 7/31/2025859,400 shares $9.52 million -7.8%1.3%1.7 $11.08 7/15/2025932,500 shares $10.18 million -5.8%N/A1.7 $10.92 6/30/2025990,300 shares $12.07 million -1.0%1.5%1.8 $12.19 6/15/20251,000,000 shares $11.47 million +12.9%1.5%1.9 $11.47 5/31/2025885,800 shares $9.92 million -1.9%1.3%1.7 $11.20 5/15/2025903,100 shares $10.21 million -7.2%1.4%1.7 $11.31 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 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. 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 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 $7.58 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 $14.87 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 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 August 31st, investors have sold 792,300 shares of GLDD short. 1.19% of Great Lakes Dredge & Dock's shares are currently sold 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: Group One Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Great Lakes Dredge & Dock? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.19% of Great Lakes Dredge & Dock's floating shares are currently sold short. Is Great Lakes Dredge & Dock's short interest increasing or decreasing? Great Lakes Dredge & Dock saw a decline in short interest in the month of August. As of August 31st, there was short interest totaling 792,300 shares, a decline of 4.0% from the previous total of 824,900 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? 1.19% of Great Lakes Dredge & Dock's shares are currently sold short. Here is how the short interest of companies compare to Great Lakes Dredge & Dock: MYR Group, Inc. (4.33%), Ameresco, Inc. (9.01%), NWPX Infrastructure, Inc. (2.48%), Matrix Service Company (2.38%), Orion Group Holdings, Inc. (3.90%), Quanta Services, Inc. (3.03%), EMCOR Group, Inc. (2.09%), Comfort Systems USA, Inc. (1.99%), AECOM (2.66%), MasTec, Inc. (2.82%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 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 up $0.02 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 August, 31 2025. More Short Interest Resources from MarketBeat Related Companies MYR Group Short Interest Data Ameresco Short Interest Data NWPX Infrastructure 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 AECOM Short Interest Data MasTec 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 9/29/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredHe Called Nvidia at $1.10. 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