Martin Marietta Materials (MLM) Short Interest Ratio & Short Volume $491.66 +16.39 (+3.45%) Closing price 04/11/2025 03:59 PM EasternExtended Trading$491.75 +0.09 (+0.02%) As of 04/11/2025 07:06 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Martin Marietta Materials Short Interest DataMartin Marietta Materials (MLM) has a short interest of 1.76 million shares, representing 2.91% of the float (the number of shares available for trading by the public). This marks a 7.32% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.2, indicating that it would take 3.2 days of the average trading volume of 488,559 shares to cover all short positions.Current Short Interest1,760,000 sharesPrevious Short Interest1,640,000 sharesChange Vs. Previous Month+7.32%Dollar Volume Sold Short$841.49 millionShort Interest Ratio3.2 Days to CoverLast Record DateMarch 15, 2025Outstanding Shares60,974,000 sharesFloat Size60,510,000 sharesShort Percent of Float2.91%Today's Trading Volume627,089 sharesAverage Trading Volume488,559 sharesToday's Volume Vs. Average128% Short Selling Martin Marietta Materials? Sign up to receive the latest short interest report for Martin Marietta Materials and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMLM Short Interest Over TimeMLM Days to Cover Over TimeMLM Percentage of Float Shorted Over Time Remove Ads Martin Marietta Materials Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/20251,760,000 shares $841.49 million +7.3%2.9%3.2 $478.12 2/28/20251,640,000 shares $792.21 million +19.7%2.7%3.2 $483.06 2/15/20251,370,000 shares $722.64 million +3.8%2.3%3.1 $527.47 1/31/20251,320,000 shares $717.98 million -2.9%2.2%3.2 $543.92 1/15/20251,360,000 shares $723.68 million -5.6%2.2%3.2 $532.12 12/31/20241,440,000 shares $743.76 million +1.4%2.4%3.4 $516.50 12/15/20241,420,000 shares $782.31 million -9.0%2.4%3.2 $550.92 11/30/20241,560,000 shares $936 million +6.1%2.6%3.6 $600.00 11/15/20241,470,000 shares $857.05 million -5.8%2.4%3.2 $583.03 10/31/20241,560,000 shares $924.05 million -6.6%2.6%3.4 $592.34 Get the Latest News and Ratings for MLM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Martin Marietta Materials and its competitors with MarketBeat's FREE daily newsletter. 10/15/20241,670,000 shares $938.37 million -0.6%2.8%3.6 $561.90 9/30/20241,680,000 shares $904.26 million +20.9%2.8%3.5 $538.25 9/15/20241,390,000 shares $723.75 million +1.5%2.3%2.8 $520.68 8/31/20241,370,000 shares $731.80 million +33.0%2.3%2.7 $534.16 8/15/20241,030,000 shares $555.99 million -9.7%1.7%2.1 $539.80 7/31/20241,140,000 shares $676.42 million -11.6%1.9%2.4 $593.35 7/15/20241,290,000 shares $717.98 million +1.6%2.1%2.7 $556.57 6/30/20241,270,000 shares $688.09 million +13.4%2.1%2.8 $541.80 6/15/20241,120,000 shares $634.87 million -1.8%1.8%2.6 $566.85 5/31/20241,140,000 shares $651.61 million +25.8%1.9%2.7 $571.59 5/15/2024906,000 shares $555.09 million -5.9%1.5%2 $612.68 4/30/2024963,000 shares $565.59 million -2.5%1.6%2.1 $587.32 4/15/2024987,200 shares $591.57 million +13.6%1.6%2.3 $599.24 3/31/2024868,700 shares $533.33 million -6.8%1.4%2.1 $613.94 3/15/2024932,300 shares $555.90 million +68.5%1.5%2.4 $596.27 2/29/2024553,300 shares $319.79 million +3.3%0.9%1.5 $577.96 2/15/2024535,800 shares $286.66 million +4.1%0.9%1.7 $535.02 1/31/2024514,600 shares $261.63 million -24.2%0.8%1.7 $508.42 1/15/2024678,900 shares $336.65 million -6.5%1.1%2.1 $495.88 12/31/2023725,900 shares $362.16 million -6.8%1.2%2.2 $498.91 12/15/2023778,700 shares $381.60 million +14.8%1.3%2.2 $490.05 11/30/2023678,100 shares $315.04 million -1.0%1.1%1.8 $464.59 11/15/2023684,800 shares $311.50 million +1.5%1.1%1.8 $454.88 10/31/2023674,900 shares $275.99 million -2.1%1.1%1.8 $408.94 10/15/2023689,300 shares $293.77 million -7.8%1.1%1.7 $426.19 9/30/2023747,500 shares $306.83 million +37.7%1.2%1.9 $410.48 9/15/2023542,900 shares $230.75 million -23.4%0.9%1.4 $425.03 8/31/2023709,100 shares $316.55 million +27.5%1.2%1.8 $446.41 8/15/2023556,300 shares $253.85 million -0.3%0.9%1.4 $456.32 7/31/2023558,200 shares $249.21 million -11.4%0.9%1.4 $446.46New “Trump” currency proposed in DC (Ad)Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape. For the moment, you can watch this interview free of charge – just click here. 7/15/2023630,300 shares $288.40 million +1.8%1.0%1.7 $457.56 6/30/2023619,300 shares $285.92 million -15.6%1.0%1.7 $461.69 6/15/2023734,100 shares $315.17 million -1.5%1.2%2 $429.33 5/31/2023745,300 shares $296.66 million +22.0%1.2%2 $398.04 5/15/2023611,000 shares $247.19 million -24.0%1.0%1.7 $404.56 4/30/2023803,900 shares $291.98 million -10.0%1.3%2.1 $363.20 4/15/2023892,800 shares $311.77 million -3.7%1.5%2.4 $349.20 3/31/2023926,600 shares $329.00 million +20.3%1.5%2.4 $355.06 3/15/2023770,100 shares $250.44 million -11.3%1.3%2 $325.21 2/28/2023867,700 shares $312.26 million -23.2%1.4%2.4 $359.87 2/15/20231,130,000 shares $432.56 million -19.3%1.8%3.1 $382.80 1/31/20231,400,000 shares $503.50 million -3.5%2.3%4.1 $359.64 1/15/20231,450,000 shares $515.29 million +3.6%2.4%4 $355.37 12/30/20221,400,000 shares $473.16 million +6.1%2.3%3.9 $337.97 12/15/20221,320,000 shares $464.71 million +7.3%2.1%3.4 $352.05 11/30/20221,230,000 shares $450.77 million -6.1%2.0%3.2 $366.48 11/15/20221,310,000 shares $463.94 million +2.3%2.1%3.4 $354.15 10/31/20221,280,000 shares $430.05 million -11.7%2.1%3.3 $335.98 10/15/20221,450,000 shares $433.30 million No Change2.3%3.6 $298.83 9/30/20221,450,000 shares $467.03 million +8.2%2.3%3.7 $322.09 9/15/20221,340,000 shares $452.17 million +21.8%2.2%3.4 $337.44 8/31/20221,100,000 shares $382.48 million -6.8%1.8%2.6 $347.71 8/15/20221,180,000 shares $435.13 million -11.3%1.9%2.7 $368.75 7/31/20221,330,000 shares $468.27 million -20.8%2.2%2.8 $352.08 7/15/20221,680,000 shares $529.13 million +27.3%2.7%3.5 $314.96 6/30/20221,320,000 shares $395.00 million +10.0%2.1%2.8 $299.24 6/15/20221,200,000 shares $382.14 million -24.1%1.9%2.6 $318.45 5/31/20221,580,000 shares $536.22 million +2.6%2.6%3.7 $339.38 5/15/20221,540,000 shares $512.57 million +30.5%2.5%3.5 $332.84 4/30/20221,180,000 shares $417.98 million +10.3%1.9%2.6 $354.22 4/15/20221,070,000 shares $390.36 million -14.4%1.7%2.2 $364.82 3/31/20221,250,000 shares $481.11 million +28.6%2.0%2.6 $384.89 3/15/2022972,000 shares $369.82 million -10.8%1.6%2.1 $380.47 2/28/20221,090,000 shares $413.55 million +46.1%1.8%2.4 $379.40 2/15/2022746,000 shares $287.22 million +7.9%1.2%1.7 $385.01 1/31/2022691,700 shares $269.15 million +29.2%1.1%1.8 $389.12 1/15/2022535,300 shares $215.53 million -19.7%0.9%1.5 $402.63 12/31/2021666,500 shares $293.61 million -5.3%1.1%2.2 $440.52 12/15/2021703,800 shares $310.19 million -0.5%1.1%2.1 $440.74 11/30/2021707,400 shares $285.44 million +21.9%1.1%2.1 $403.51 11/15/2021580,300 shares $242.93 million -4.0%0.9%1.8 $418.63 10/29/2021604,300 shares $237.39 million +8.0%1.0%1.8 $392.84 10/15/2021559,600 shares $204.68 million +4.2%0.9%1.8 $365.77 9/30/2021536,900 shares $183.45 million +8.1%0.9%1.7 $341.68 9/15/2021496,600 shares $179.42 million -32.3%0.8%1.6 $361.29 8/31/2021733,600 shares $279.69 million +15.5%1.2%2.3 $381.25 8/13/2021635,100 shares $244.79 million +15.6%1.0%1.8 $385.44 7/30/2021549,500 shares $199.63 million -8.7%0.9%1.5 $363.30 7/15/2021601,700 shares $214.58 million -6.3%1.0%1.7 $356.63 6/30/2021642,000 shares $225.86 million +20.1%1.0%1.7 $351.81New “Trump” currency proposed in DC (Ad)Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans a chance at true financial independence in the months ahead.” We recently sat down with Rickards to capture all the key details on tape. For the moment, you can watch this interview free of charge – just click here. 6/15/2021534,400 shares $185.05 million +3.4%0.9%1.3 $346.27 5/28/2021517,000 shares $188.01 million -1.3%0.8%1.3 $363.65 5/14/2021523,900 shares $196.18 million +30.3%0.9%1.2 $374.47 4/30/2021402,200 shares $144.42 million -10.9%0.7%0.9 $359.07 4/15/2021451,300 shares $156.70 million -21.0%0.7%0.9 $347.21 3/31/2021571,100 shares $196.25 million -8.7%0.9%1.1 $343.63 3/15/2021625,800 shares $215.17 million -33.3%1.0%1.1 $343.83 2/26/2021938,300 shares $315.56 million +22.4%1.5%1.7 $336.31 2/12/2021766,500 shares $244.18 million +4.5%1.2%1.4 $318.56 1/29/2021733,800 shares $211.99 million -1.2%1.2%1.4 $288.90 1/15/2021742,900 shares $224.97 million -31.2%1.2%1.3 $302.83 12/31/20201,080,000 shares $303.42 million -15.6%1.7%1.9 $280.94 12/15/20201,280,000 shares $332.42 million -11.7%2.1%2.2 $259.70 11/30/20201,450,000 shares $392.96 million +1.4%2.3%2.4 $271.01 11/15/20201,430,000 shares $377.72 million -20.1%2.3%2.3 $264.14 10/30/20201,790,000 shares $471.84 million -25.1%2.9%2.8 $263.60 10/15/20202,390,000 shares $620.99 million -23.6%3.9%3.9 $259.83 9/30/20203,130,000 shares $736.68 million +17.7%5.1%5.1 $235.36 9/15/20202,660,000 shares $580.15 million +18.8%4.3%4.6 $218.10 8/31/20202,240,000 shares $454.43 million +3.2%3.6%3.9 $202.87 8/14/20202,170,000 shares $475.95 million -0.5%3.5%3.6 $219.33 7/31/20202,180,000 shares $451.65 million -13.2%3.5%3.5 $207.18 7/15/20202,510,000 shares $539.07 million -2.7%4.1%3.9 $214.77 6/30/20202,580,000 shares $532.95 million +15.7%4.2%3.8 $206.57 6/15/20202,230,000 shares $444.19 million -7.5%3.6%2.8 $199.19 5/29/20202,410,000 shares $462.94 million +12.1%3.9%2.8 $192.09 5/15/20202,150,000 shares $361.35 million +7.0%3.5%2.5 $168.07 4/30/20202,010,000 shares $382.36 million -0.5%3.3%2.3 $190.23 4/15/20202,020,000 shares $392.18 million +2.0%3.3%2.4 $194.15 MLM Short Interest - Frequently Asked Questions What is Martin Marietta Materials' current short interest? Short interest is the volume of Martin Marietta Materials shares that have been sold short but have not yet been closed out or covered. As of March 15th, traders have sold 1,760,000 shares of MLM short. 2.91% of Martin Marietta Materials' shares are currently sold short. Learn More on Martin Marietta Materials' current short interest. What is a good short interest ratio for Martin Marietta Materials? 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. MLM shares currently have a short interest ratio of 3.0. Learn More on Martin Marietta Materials's short interest ratio. Which institutional investors are shorting Martin Marietta Materials? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Martin Marietta Materials: Wolverine Trading LLC, Millennium Management LLC, D. E. Shaw & Co. Inc., Cubist Systematic Strategies LLC, Capstone Investment Advisors LLC, Citadel Advisors LLC, Jane Street Group LLC, Susquehanna International Group LLP, Concourse Financial Group Securities Inc., PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, and Portman Square Capital LLP. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Martin Marietta Materials? 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. 2.91% of Martin Marietta Materials' floating shares are currently sold short. Is Martin Marietta Materials' short interest increasing or decreasing? Martin Marietta Materials saw a increase in short interest in March. As of March 15th, there was short interest totaling 1,760,000 shares, an increase of 7.3% from the previous total of 1,640,000 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. What is Martin Marietta Materials' float size? Martin Marietta Materials currently has issued a total of 60,974,000 shares. Some of Martin Marietta Materials' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Martin Marietta Materials currently has a public float of 60,510,000 shares. How does Martin Marietta Materials' short interest compare to its competitors? 2.91% of Martin Marietta Materials' shares are currently sold short. Here is how the short interest of companies in the industry of "construction materials" compare to Martin Marietta Materials: CRH plc (2.61%), Vulcan Materials (1.49%), James Hardie Industries plc (0.01%), CEMEX, S.A.B. de C.V. (1.19%), Eagle Materials Inc. (4.23%), Fortune Brands Innovations, Inc. (3.40%), West Fraser Timber Co. Ltd. (1.84%), Skyline Champion Co. (5.03%), Arcosa, Inc. (2.02%), Crane NXT, Co. (9.46%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($26.28 billion), iShares 20+ Year Treasury Bond ETF ($9.53 billion), Strategy Incorporated ($8.50 billion), Apollo Global Management, Inc. ($4.86 billion), Super Micro Computer, Inc. ($4.85 billion), Charter Communications, Inc. ($4.28 billion), Capital One Financial Co. ($4.08 billion), AppLovin Co. ($3.82 billion), Canadian Natural Resources Limited ($3.78 billion), and Schlumberger Limited ($2.87 billion). View all of the most shorted stocks. What does it mean to sell short Martin Marietta Materials stock? Short selling MLM is an investing strategy that aims to generate trading profit from Martin Marietta Materials as its price is falling. MLM shares are trading up $16.39 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 Martin Marietta Materials? A short squeeze for Martin Marietta Materials 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 MLM, which in turn drives the price of the stock up even further. How often is Martin Marietta Materials' 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 MLM, twice per month. The most recent reporting period available is March, 15 2025. More Short Interest Resources from MarketBeat Related Companies CRH Short Squeeze VMC Short Squeeze JHX Short Squeeze CX Short Squeeze EXP Short Squeeze FBIN Short Squeeze WFG Short Squeeze SKY Short Squeeze ACA Short Squeeze CXT Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:MLM) was last updated on 4/12/2025 by MarketBeat.com Staff From Our PartnersWARNING to All American InvestorsForget the headlines about the "trade war." This is where a real military showdown between China and the U....Behind the Markets | SponsoredCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... 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