Mereo BioPharma Group (MREO) Short Interest Ratio & Short Volume $2.41 +0.04 (+1.69%) Closing price 04:00 PM EasternExtended Trading$2.44 +0.03 (+1.45%) As of 07:20 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 InterestTrendsBuy This Stock Mereo BioPharma Group Short Interest DataMereo BioPharma Group (MREO) has a short interest of 6.03 million shares, representing 4.05% of the float (the number of shares available for trading by the public). This marks a -5.19% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.0, indicating that it would take 5.0 days of the average trading volume of 1.01 million shares to cover all short positions.Current Short Interest6,030,000 sharesPrevious Short Interest6,360,000 sharesChange Vs. Previous Month-5.19%Dollar Volume Sold Short$15.80 millionShort Interest Ratio5.0 Days to CoverLast Record DateMarch 15, 2025Outstanding Shares155,146,000 sharesShort Percent of Float4.05%Today's Trading Volume2,737,157 sharesAverage Trading Volume1,009,344 sharesToday's Volume Vs. Average271% Short Selling Mereo BioPharma Group? Sign up to receive the latest short interest report for Mereo BioPharma Group and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMREO Short Interest Over TimeMREO Days to Cover Over TimeMREO Percentage of Float Shorted Over Time Remove Ads Mereo BioPharma Group Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/20256,030,000 shares $15.80 million -5.2%4.1%5 $2.62 2/28/20256,360,000 shares $15.26 million -12.4%4.3%5.2 $2.40 2/15/20257,260,000 shares $20.84 million +6.5%4.9%6.7 $2.87 1/31/20256,820,000 shares $20.53 million -5.3%N/A6.6 $3.01 1/15/20257,200,000 shares $21.82 million -10.3%N/A7.2 $3.03 12/31/20248,030,000 shares $28.11 million +13.9%N/A9.9 $3.50 12/15/20247,050,000 shares $26.37 million +6.3%N/A9 $3.74 11/30/20246,630,000 shares $23.90 million +17.8%N/A8.8 $3.61 11/15/20245,630,000 shares $19.87 million +23.2%N/A7.5 $3.53 10/31/20244,570,000 shares $19.24 million -11.4%N/A6.1 $4.21 Get the Latest News and Ratings for MREO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mereo BioPharma Group and its competitors with MarketBeat's FREE daily newsletter. 10/15/20245,160,000 shares $23.43 million +5.7%N/A6.1 $4.54 9/30/20244,880,000 shares $20.06 million +7.5%N/A5.5 $4.11 9/15/20244,540,000 shares $19.43 million +0.9%N/A4.8 $4.28 8/31/20244,500,000 shares $21.11 million -0.9%N/A4 $4.69 8/15/20244,540,000 shares $18.52 million +3.9%N/A3.8 $4.08 7/31/20244,370,000 shares $17.74 million +40.1%N/A4 $4.06 7/15/20243,120,000 shares $12.95 million +6.9%N/A2.9 $4.15 6/30/20242,920,000 shares $10.51 million +24.3%N/A2.7 $3.60 6/15/20242,350,000 shares $9.99 million -2.1%N/A2.1 $4.25 5/31/20242,400,000 shares $8.28 million +8.6%N/A2.6 $3.45 5/15/20242,210,000 shares $7.01 million -21.9%N/A2.2 $3.17 4/30/20242,830,000 shares $8.63 million +2.2%N/A2.4 $3.05 4/15/20242,770,000 shares $7.40 million +18.9%N/A1.8 $2.67 3/31/20242,330,000 shares $7.69 million +6.4%N/A1.3 $3.30 3/15/20242,190,000 shares $6.81 million -1.8%N/A1.3 $3.11 2/29/20242,230,000 shares $8.47 million -19.8%N/A1.4 $3.80 2/15/20242,780,000 shares $10.26 million +25.8%N/A1.8 $3.69 1/31/20242,210,000 shares $8.38 million +59.0%N/A1.5 $3.79 1/15/20241,390,000 shares $4.10 million -6.1%N/A1.1 $2.95 12/31/20231,480,000 shares $3.42 million -18.2%N/A1.1 $2.31 12/15/20231,810,000 shares $3.71 million -33.9%N/A1.4 $2.05 11/30/20232,740,000 shares $5.73 million -3.5%N/A2.2 $2.09 11/15/20232,840,000 shares $6.25 million -20.9%N/A2.3 $2.20 10/31/20233,590,000 shares $7.20 million +13.6%N/A2.9 $2.01 10/15/20233,160,000 shares $4.08 million +4.6%N/A2.6 $1.29 9/30/20233,020,000 shares $3.90 million -15.2%N/A3.5 $1.29 9/15/20233,560,000 shares $5.55 million -26.6%N/A3.9 $1.56 8/31/20234,850,000 shares $6.64 million -19.0%N/A4.4 $1.37 8/15/20235,990,000 shares $7.55 million -3.4%N/A3.7 $1.26 7/31/20236,200,000 shares $8.25 million -19.5%N/A3.4 $1.33A brutally honest economic warning for 2025 (see proof) (Ad)New York Times best-selling financial author and world-renowned economist Addison Wiggin (a man who’s worked side-by-side with figures like Warren Buffett, Alan Greenspan, Ron Paul, Jim Rickards, and Steve Forbes, to name but a few) says....Full details here. 7/15/20237,700,000 shares $9.63 million -26.9%N/A3.8 $1.25 6/30/202310,530,000 shares $13.90 million +11.2%N/A5.3 $1.32 6/15/20239,470,000 shares $13.54 million +14.8%N/A4.8 $1.43 5/31/20238,250,000 shares $8.33 million +59.9%N/A4.5 $1.01 5/15/20235,160,000 shares $6.45 million +22.0%N/A3.8 $1.25 4/30/20234,230,000 shares $5.54 million +8.5%N/A3.6 $1.31 4/15/20233,900,000 shares $4.10 million +2.4%N/A3.9 $1.05 3/31/20233,810,000 shares $2.69 million -0.5%N/A4.3 $0.71 3/15/20233,830,000 shares $3.26 million +15.4%N/A4.2 $0.85 2/28/20233,320,000 shares $2.96 million -16.4%N/A3.8 $0.89 2/15/20233,970,000 shares $4.41 million +12.2%N/A4.4 $1.11 1/31/20233,540,000 shares $3.31 million -4.6%N/A4.9 $0.94 1/15/20233,710,000 shares $3.29 million +6.3%N/A5.5 $0.89 12/30/20223,490,000 shares $2.62 million -27.4%N/A5.9 $0.75 12/15/20224,810,000 shares $3.67 million -3.0%N/A9.4 $0.76 11/30/20224,960,000 shares $3.91 million -2.8%N/A11.5 $0.79 11/15/20225,100,000 shares $4.04 million -10.7%N/A11 $0.79 10/31/20225,710,000 shares $5.71 million -6.2%N/A8.8 $1.00 10/15/20226,090,000 shares $6.09 million -5.3%N/A7.7 $1.00 9/30/20226,430,000 shares $5.54 million -4.7%N/A5.8 $0.86 9/15/20226,750,000 shares $7.22 million -3.9%N/A3.9 $1.07 8/31/20227,020,000 shares $8.42 million +11.3%6.5%1.4 $1.20 8/15/20226,310,000 shares $8.20 million +31.5%5.9%1.2 $1.30 7/31/20224,800,000 shares $5.81 million -7.9%4.7%0.9 $1.21 7/15/20225,210,000 shares $9.01 million -11.5%5.1%1 $1.73 6/30/20225,890,000 shares $6.60 million +65.5%5.7%1.2 $1.12 6/15/20223,560,000 shares $2.46 million -13.2%3.5%0.8 $0.69 5/31/20224,100,000 shares $2.07 million -24.8%4.0%3.9 $0.51 5/15/20225,450,000 shares $2.13 million -20.4%5.3%5.6 $0.39 4/30/20226,850,000 shares $4.25 million -2.1%N/A9.8 $0.62 4/15/20227,000,000 shares $6.41 million -0.9%N/A13.2 $0.92 3/31/20227,060,000 shares $7.91 million -1.0%N/A13.6 $1.12 3/15/20227,130,000 shares $9.27 million +7.1%N/A13 $1.30 2/28/20226,660,000 shares $8.26 million -9.8%N/A10.4 $1.24 2/15/20227,380,000 shares $10.04 million No ChangeN/A9.9 $1.36 1/31/20227,380,000 shares $9.67 million +3.7%8.0%8.8 $1.31 1/15/20227,120,000 shares $10.18 million +10.7%7.7%8 $1.43 12/31/20216,430,000 shares $10.29 million +17.6%7.6%7.4 $1.60 12/15/20215,470,000 shares $8.97 million +4.4%6.5%6 $1.64 11/30/20215,240,000 shares $9.22 million -48.0%6.2%5.9 $1.76 11/15/202110,080,000 shares $22.48 million +20.4%12.0%12.6 $2.23 10/29/20218,370,000 shares $18.83 million -3.8%8.4%10.1 $2.25 10/15/20218,700,000 shares $18.97 million +20.3%8.7%10.2 $2.18 9/30/20217,230,000 shares $17.50 million -3.9%7.2%7.2 $2.42 9/15/20217,520,000 shares $19.33 million -2.3%7.5%6.7 $2.57 8/31/20217,700,000 shares $21.48 million -2.3%7.7%5.7 $2.79 8/13/20217,880,000 shares $17.73 million -0.4%7.9%5.5 $2.25 7/30/20217,910,000 shares $20.33 million +4.4%8.0%5.6 $2.57 7/15/20217,580,000 shares $21.30 million -32.1%7.3%5.4 $2.81 6/30/202111,160,000 shares $35.38 million +56.3%10.8%8.1 $3.17A brutally honest economic warning for 2025 (see proof) (Ad)New York Times best-selling financial author and world-renowned economist Addison Wiggin (a man who’s worked side-by-side with figures like Warren Buffett, Alan Greenspan, Ron Paul, Jim Rickards, and Steve Forbes, to name but a few) says....Full details here. 6/15/20217,140,000 shares $23.06 million -17.8%6.9%4.5 $3.23 5/28/20218,690,000 shares $28.42 million +5.9%8.4%5.8 $3.27 5/14/20218,210,000 shares $24.47 million +0.5%N/A4.4 $2.98 4/30/20218,170,000 shares $29.49 million -15.3%N/A3.1 $3.61 4/15/20219,640,000 shares $33.35 million +17.3%N/A3.7 $3.46 3/31/20218,220,000 shares $27.45 million +71.3%N/A3.2 $3.34 3/15/20214,800,000 shares $19.58 million +27.3%N/A1.3 $4.08 2/26/20213,770,000 shares $15.08 million -55.9%N/A1.1 $4.00 2/12/20218,550,000 shares $29.07 million +21.1%N/A2.8 $3.40 1/29/20217,060,000 shares $18.36 million +7.5%N/A3.3 $2.60 1/15/20216,570,000 shares $22.01 million +16.1%N/A3.2 $3.35 12/31/20205,660,000 shares $20.09 million +249.4%N/A2.9 $3.55 12/15/20201,620,000 shares $3.26 million +33.9%N/A0.9 $2.01 11/30/20201,210,000 shares $2.95 million -1.6%N/A5.5 $2.44 11/15/20201,230,000 shares $2.85 million -0.8%N/A6.8 $2.32 10/30/20201,240,000 shares $2.99 million +14.8%N/A5.9 $2.41 10/15/20201,080,000 shares $2.48 million +14.1%N/A4.4 $2.30 9/30/2020946,300 shares $2.48 million -0.5%N/A3.9 $2.62 9/15/2020951,300 shares $2.80 million +16.6%N/A4 $2.94 8/31/2020815,700 shares $2.44 million +93.1%N/A2.8 $2.99 8/14/2020422,400 shares $1.20 million -4.2%N/A1.1 $2.83 7/31/2020440,700 shares $1.26 million -1.6%N/A1.3 $2.85 7/15/2020447,700 shares $1.34 million +3.0%N/A1.4 $2.99 6/30/2020434,500 shares $1.28 million +94.8%1.9%1.4 $2.94 6/15/2020223,100 shares $624,680.00 +2,200.0%N/A0.8 $2.80 5/29/20209,700 shares $12,125.00 +56.5%N/A0 $1.25 5/15/20206,200 shares $7,998.00 -47.0%0.0%0.1 $1.29 4/30/202011,700 shares $16,029.00 -39.4%0.1%0.1 $1.37 4/15/202019,300 shares $20,651.00 -43.7%0.1%0.2 $1.07 3/31/202034,300 shares $44,933.00 +1.8%0.1%0.3 $1.31 MREO Short Interest - Frequently Asked Questions What is Mereo BioPharma Group's current short interest? Short interest is the volume of Mereo BioPharma Group shares that have been sold short but have not yet been closed out or covered. As of March 15th, investors have sold 6,030,000 shares of MREO short. 4.05% of Mereo BioPharma Group's shares are currently sold short. Learn More on Mereo BioPharma Group's current short interest. What is a good short interest ratio for Mereo BioPharma Group? 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. MREO shares currently have a short interest ratio of 5.0. Learn More on Mereo BioPharma Group's short interest ratio. Which institutional investors are shorting Mereo BioPharma Group? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Mereo BioPharma Group: Millennium Management LLC, Group One Trading LLC, Citadel Advisors LLC, Jane Street Group LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Mereo BioPharma Group? 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. 4.05% of Mereo BioPharma Group's floating shares are currently sold short. Is Mereo BioPharma Group's short interest increasing or decreasing? Mereo BioPharma Group saw a drop in short interest in March. As of March 15th, there was short interest totaling 6,030,000 shares, a drop of 5.2% from the previous total of 6,360,000 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. How does Mereo BioPharma Group's short interest compare to its competitors? 4.05% of Mereo BioPharma Group's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Mereo BioPharma Group: Wave Life Sciences Ltd. (7.71%), Immunocore Holdings plc (17.17%), ANI Pharmaceuticals, Inc. (14.05%), Dyne Therapeutics, Inc. (15.35%), Indivior PLC (2.28%), Amphastar Pharmaceuticals, Inc. (10.94%), Ardelyx, Inc. (13.62%), Evotec SE (0.21%), 89bio, Inc. (10.67%), Ocular Therapeutix, Inc. (8.46%), 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), MicroStrategy 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 Mereo BioPharma Group stock? Short selling MREO is an investing strategy that aims to generate trading profit from Mereo BioPharma Group as its price is falling. MREO shares are trading up $0.05 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 Mereo BioPharma Group? A short squeeze for Mereo BioPharma Group 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 MREO, which in turn drives the price of the stock up even further. How often is Mereo BioPharma Group'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 MREO, twice per month. The most recent reporting period available is March, 15 2025. More Short Interest Resources from MarketBeat Related Companies Wave Life Sciences Short Squeeze Immunocore Short Squeeze ANI Pharmaceuticals Short Squeeze Dyne Therapeutics Short Squeeze Indivior Short Squeeze Amphastar Pharmaceuticals Short Squeeze Ardelyx Short Squeeze Evotec Short Squeeze 89bio Short Squeeze Ocular Therapeutix Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:MREO) was last updated on 3/27/2025 by MarketBeat.com Staff From Our PartnersA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same in...Chaikin Analytics | SponsoredYour Wealth is Under AttackPlease don't wait—this is your moment to take action. 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