Mereo BioPharma Group (MREO) Short Interest Ratio & Short Volume $1.73 +0.07 (+4.22%) Closing price 04:00 PM EasternExtended Trading$1.74 +0.01 (+0.29%) As of 06:23 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Mereo BioPharma Group Short Interest DataMereo BioPharma Group (MREO) has a short interest of 9.84 million shares. This marks a 20.00% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.4, indicating that it would take 4.4 days of the average trading volume of 1.77 million shares to cover all short positions.Current Short Interest9,840,000 sharesPrevious Short Interest8,200,000 sharesChange Vs. Previous Month+20.00%Dollar Volume Sold Short$16.83 millionShort Interest Ratio4.4 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares159,000,000 sharesPercentage of Shares Shorted6.19%Today's Trading Volume1,631,559 sharesAverage Trading Volume1,774,951 sharesToday's Volume Vs. Average92% 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 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 7/15/20259,840,000 shares $16.83 million +20.0%N/A4.4 $1.71 6/30/20258,200,000 shares $22.22 million +3.0%5.5%4.1 $2.71 6/15/20257,960,000 shares $21.97 million -5.5%5.3%5.5 $2.76 5/31/20258,420,000 shares $18.02 million +5.9%5.7%6.1 $2.14 5/15/20257,950,000 shares $17.33 million +4.5%5.3%5.4 $2.18 4/30/20257,610,000 shares $19.71 million +15.3%N/A5.2 $2.59 4/15/20256,600,000 shares $13.20 million +0.9%4.4%4.6 $2.00 3/31/20256,540,000 shares $14.72 million +8.5%4.4%4.8 $2.25 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 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. 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 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 $2.09The Robotics Revolution has arrived … and one $7 stock could take off as a result. (Ad)Something big is brewing in Washington. According to my research, an executive order from President Trump could be just weeks away. And it holds the potential to trigger one of the most explosive tech booms in US history. At the center of it all? Robots. Not the kind that clean your house or pour you coffee. But the kind that could reshape entire industries, add $1.2 trillion per year to the US economy, and affect 65 million American lives — just in the next year.This little-known company holds nearly 100 patents and trades for around $7 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 $1.33 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 $2.25The Robotics Revolution has arrived … and one $7 stock could take off as a result. (Ad)Something big is brewing in Washington. According to my research, an executive order from President Trump could be just weeks away. And it holds the potential to trigger one of the most explosive tech booms in US history. At the center of it all? Robots. Not the kind that clean your house or pour you coffee. But the kind that could reshape entire industries, add $1.2 trillion per year to the US economy, and affect 65 million American lives — just in the next year.This little-known company holds nearly 100 patents and trades for around $7 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 $3.17 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 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 covered or closed out. As of July 15th, traders have sold 9,840,000 shares of MREO 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 4.0. 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: Persistent Asset Partners Ltd, Simplex Trading LLC, and Jane Street Group LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Mereo BioPharma Group's short interest increasing or decreasing? Mereo BioPharma Group saw a increase in short interest in the month of July. As of July 15th, there was short interest totaling 9,840,000 shares, an increase of 20.0% from the previous total of 8,200,000 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? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Mereo BioPharma Group: Pharvaris N.V. (4.70%), Ardelyx, Inc. (11.45%), Structure Therapeutics Inc. Sponsored ADR (14.37%), Amphastar Pharmaceuticals, Inc. (11.60%), Verve Therapeutics, Inc. (5.52%), Spyre Therapeutics, Inc. (26.50%), Akebia Therapeutics, Inc. (9.57%), Arcus Biosciences, Inc. (15.55%), Collegium Pharmaceutical, Inc. (13.67%), Anavex Life Sciences Corp. (29.44%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 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 $0.06 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 July, 15 2025. More Short Interest Resources from MarketBeat Related Companies Pharvaris Short Squeeze Ardelyx Short Squeeze Structure Therapeutics Short Squeeze Amphastar Pharmaceuticals Short Squeeze Verve Therapeutics Short Squeeze Spyre Therapeutics Short Squeeze Akebia Therapeutics Short Squeeze Arcus Biosciences Short Squeeze Collegium Pharmaceutical Short Squeeze Anavex Life Sciences 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 8/13/2025 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 | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...The Oxford Club | SponsoredElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredCritical AI announcement set to ignite AI 2.0I just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredNew Federal Land Rush About to Start?A $100 Trillion Wealth Shift Is Already Underway Lithium. Oil. Gold. Trillions in U.S. resources are being ...Stansberry Research | SponsoredCrypto Income (almost instantly)How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? ...Awesomely, LLC | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Mereo BioPharma Group plc - Sponsored ADR Please log in to your account or sign up in order to add this asset to your watchlist. Share Mereo BioPharma Group With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
MarketBeat All Access