Replimune Group (REPL) Short Interest Ratio & Short Volume $5.67 +0.07 (+1.25%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$5.74 +0.07 (+1.15%) As of 08/22/2025 07:59 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 InterestSustainabilityTrendsBuy This Stock Replimune Group Short Interest DataReplimune Group (REPL) has a short interest of 21.31 million shares, representing 28.80% of the float (the number of shares available for trading by the public). This marks a 165.71% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 17.49 million shares to cover all short positions.Current Short Interest21,310,000 sharesPrevious Short Interest8,020,000 sharesChange Vs. Previous Month+165.71%Dollar Volume Sold Short$149.81 millionShort Interest Ratio2.5 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares78,060,000 sharesShort Percent of Float28.80%Today's Trading Volume2,270,289 sharesAverage Trading Volume17,489,722 sharesToday's Volume Vs. Average13% Short Selling Replimune Group? Sign up to receive the latest short interest report for Replimune 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 ChartREPL Short Interest Over TimeREPL Days to Cover Over TimeREPL Percentage of Float Shorted Over Time Replimune 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 7/31/202521,310,000 shares $149.81 million +165.7%28.8%2.5 $7.03 7/15/20258,020,000 shares $99.45 million -19.0%N/A2.2 $12.40 6/30/20259,900,000 shares $91.97 million +6.2%14.1%7.7 $9.29 6/15/20259,320,000 shares $91.15 million +9.5%13.3%8 $9.78 5/31/20258,510,000 shares $75.99 million -7.7%12.1%7.5 $8.93 5/15/20259,220,000 shares $66.66 million +0.6%13.1%9.2 $7.23 4/30/20259,170,000 shares $89.68 million +3.9%N/A10.7 $9.78 4/15/20258,830,000 shares $68.08 million -7.7%12.6%11.8 $7.71 3/31/20259,570,000 shares $93.31 million +0.2%13.6%12.5 $9.75 3/15/20259,550,000 shares $111.26 million +4.5%13.6%12.7 $11.65 Get the Latest News and Ratings for REPL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Replimune Group and its competitors with MarketBeat's FREE daily newsletter. 2/28/20259,140,000 shares $115.90 million +0.7%13.0%12.5 $12.68 2/15/20259,080,000 shares $128.03 million +7.2%12.9%10.3 $14.10 1/31/20258,470,000 shares $118.41 million +16.7%N/A9.6 $13.98 1/15/20257,260,000 shares $75.65 million +9.8%N/A8.5 $10.42 12/31/20246,610,000 shares $80.05 million +11.5%N/A8.5 $12.11 12/15/20245,930,000 shares $74.42 million +6.3%N/A7.3 $12.55 11/30/20245,580,000 shares $78.57 million -16.5%N/A6.7 $14.08 11/15/20246,680,000 shares $72.14 million -5.3%N/A8.2 $10.80 10/31/20247,050,000 shares $82.91 million -1.5%N/A11.1 $11.76 10/15/20247,160,000 shares $75.47 million +18.0%N/A10.5 $10.54 9/30/20246,070,000 shares $66.53 million +24.9%N/A8.5 $10.96 9/15/20244,860,000 shares $54.09 million -7.1%N/A6.9 $11.13 8/31/20245,230,000 shares $53.19 million -13.7%N/A5.4 $10.17 8/15/20246,060,000 shares $62.42 million +2.7%N/A5.5 $10.30 7/31/20245,900,000 shares $59 million -1.2%N/A5.1 $10.00 7/15/20245,970,000 shares $64.54 million +4.0%N/A5.1 $10.81 6/30/20245,740,000 shares $51.66 million -38.9%12.7%4.9 $9.00 6/15/20249,390,000 shares $78.55 million -0.2%20.7%7.8 $8.37 5/31/20249,410,000 shares $49.59 million +8.3%20.8%8.8 $5.27 5/15/20248,690,000 shares $59.18 million +2.6%19.2%9.3 $6.81 4/30/20248,470,000 shares $53.78 million +1.6%19.1%7.7 $6.35 4/15/20248,340,000 shares $59.38 million +7.8%18.8%6.4 $7.12 3/31/20247,740,000 shares $63.24 million +11.9%17.4%5.4 $8.17 3/15/20246,920,000 shares $59.03 million +6.8%15.5%4.7 $8.53 2/29/20246,480,000 shares $55.60 million +5.4%14.7%3.7 $8.58 2/15/20246,150,000 shares $47.11 million -17.5%13.9%3.2 $7.66 1/31/20247,450,000 shares $57.81 million -9.4%17.2%4 $7.76 1/15/20248,220,000 shares $69.62 million -5.4%19.0%5 $8.47 12/31/20238,690,000 shares $73.26 million +45.8%20.0%5.8 $8.43 12/15/20235,960,000 shares $48.04 million -4.8%13.8%4.1 $8.06The Coin That Could Define Trump’s Crypto Presidency (Ad)When Trump returned to office, one of his first moves was to tap PayPal’s former COO, David Sacks, as a top advisor on crypto and AI. That alone signaled a shift. But insiders close to D.C. aren’t just talking crypto policy—they’re quietly buying something most retail investors have missed. While the crowd chases Bitcoin to $150,000, Weiss Ratings expert Juan Villaverde believes a different coin—already backed by giants like Google, Visa, and PayPal—could soon become crypto’s “Third Giant.”Discover the coin that could define Trump’s crypto presidency. 11/30/20236,260,000 shares $69.99 million -15.1%14.4%5.5 $11.18 11/15/20237,370,000 shares $82.25 million -15.5%17.0%9.7 $11.16 10/31/20238,720,000 shares $127.05 million -0.2%20.1%14.4 $14.57 10/15/20238,740,000 shares $133.11 million -0.8%20.1%15.1 $15.23 9/30/20238,810,000 shares $150.74 million +4.3%20.3%15.9 $17.11 9/15/20238,450,000 shares $151.17 million +3.4%19.4%16.4 $17.89 8/31/20238,170,000 shares $166.83 million +5.3%18.8%14.6 $20.42 8/15/20237,760,000 shares $151.16 million +7.9%18.0%13.5 $19.48 7/31/20237,190,000 shares $151.49 million +6.4%16.8%12.1 $21.07 7/15/20236,760,000 shares $139.66 million -0.6%16.1%12.3 $20.66 6/30/20236,800,000 shares $157.90 million -9.0%16.2%11.9 $23.22 6/15/20237,470,000 shares $179.43 million +2.1%17.8%12.6 $24.02 5/31/20237,320,000 shares $139.01 million +3.1%17.6%12.3 $18.99 5/15/20237,100,000 shares $133.05 million +2.8%17.0%11.5 $18.74 4/30/20236,910,000 shares $115.60 million +8.3%17.2%11.4 $16.73 4/15/20236,380,000 shares $102.91 million +4.9%15.8%10.3 $16.13 3/31/20236,080,000 shares $107.37 million +60.0%16.0%10.1 $17.66 3/15/20233,800,000 shares $73.61 million +35.7%9.8%6.7 $19.37 2/28/20232,800,000 shares $61.32 million +97.2%7.2%4.8 $21.90 2/15/20231,420,000 shares $35.00 million +2.2%3.7%2.6 $24.65 1/31/20231,390,000 shares $38.71 million -16.3%4.2%2.9 $27.85 1/15/20231,660,000 shares $46.58 million +2.5%5.0%3.4 $28.06 12/30/20221,620,000 shares $44.06 million +1.9%4.9%3.7 $27.20 12/15/20221,590,000 shares $42.91 million -10.7%4.9%3.8 $26.99 11/30/20221,780,000 shares $36.44 million -1.7%5.6%4.6 $20.47 11/15/20221,810,000 shares $35.64 million -10.0%5.7%6.2 $19.69 10/31/20222,010,000 shares $36.90 million No Change6.4%7.1 $18.36 10/15/20222,010,000 shares $37.51 million +7.5%6.4%8.1 $18.66 9/30/20221,870,000 shares $32.29 million +14.7%6.0%8 $17.27 9/15/20221,630,000 shares $28.35 million +3.8%5.2%6.8 $17.39 8/31/20221,570,000 shares $29.92 million +0.6%5.0%6.9 $19.06 8/15/20221,560,000 shares $32.21 million -6.6%5.6%6.4 $20.65 7/31/20221,670,000 shares $32.20 million -3.5%6.0%6.1 $19.28 7/15/20221,730,000 shares $35.52 million -2.8%6.2%5.8 $20.53 6/30/20221,780,000 shares $31.11 million -3.3%6.4%5 $17.48 6/15/20221,840,000 shares $27.27 million -5.2%6.6%4.8 $14.82 5/31/20221,940,000 shares $28.19 million -13.4%7.2%5 $14.53 5/15/20222,240,000 shares $33.22 million +22.4%8.6%5.8 $14.83 4/30/20221,830,000 shares $30.69 million No Change6.2%4.9 $16.77 4/15/20221,830,000 shares $32.50 million -14.1%6.2%4.9 $17.76 3/31/20222,130,000 shares $36.17 million +16.4%7.2%6.3 $16.98 3/15/20221,830,000 shares $28.44 million +4.6%6.2%6.2 $15.54 2/28/20221,750,000 shares $28.07 million +19.1%5.9%6 $16.04 2/15/20221,470,000 shares $26.64 million +8.1%5.0%5 $18.12 1/31/20221,360,000 shares $26.97 million +8.8%4.6%4.8 $19.83 1/15/20221,250,000 shares $29.84 million -16.7%4.3%5 $23.87 12/31/20211,500,000 shares $40.65 million -18.9%5.1%6.4 $27.10 12/15/20211,850,000 shares $51.12 million -1.1%6.3%7.9 $27.63 11/30/20211,870,000 shares $53.28 million -2.1%6.4%8.6 $28.49 11/15/20211,910,000 shares $63.11 million -9.9%6.5%8.8 $33.04The Coin That Could Define Trump’s Crypto Presidency (Ad)When Trump returned to office, one of his first moves was to tap PayPal’s former COO, David Sacks, as a top advisor on crypto and AI. That alone signaled a shift. But insiders close to D.C. aren’t just talking crypto policy—they’re quietly buying something most retail investors have missed. While the crowd chases Bitcoin to $150,000, Weiss Ratings expert Juan Villaverde believes a different coin—already backed by giants like Google, Visa, and PayPal—could soon become crypto’s “Third Giant.”Discover the coin that could define Trump’s crypto presidency. 10/29/20212,120,000 shares $62.56 million +3.4%7.2%10.2 $29.51 10/15/20212,050,000 shares $61.81 million -1.4%7.0%9.3 $30.15 9/30/20212,080,000 shares $61.65 million +1.0%7.1%8.6 $29.64 9/15/20212,060,000 shares $64.40 million -4.2%7.0%7.4 $31.26 8/31/20212,150,000 shares $68.28 million +14.4%7.3%7.3 $31.76 8/13/20211,880,000 shares $56.78 million -1.6%6.4%6 $30.20 7/30/20211,910,000 shares $62.51 million -6.8%6.6%6.1 $32.73 7/15/20212,050,000 shares $65.95 million +1.5%7.1%6.1 $32.17 6/30/20212,020,000 shares $77.61 million -13.7%7.0%5.8 $38.42 6/15/20212,340,000 shares $80.85 million +0.9%8.2%6.4 $34.55 5/28/20212,320,000 shares $90.41 million -15.0%8.1%6.4 $38.97 5/14/20212,730,000 shares $94.70 million +1.5%9.5%7.5 $34.69 4/30/20212,690,000 shares $97.84 million +1.1%9.4%7.1 $36.37 4/15/20212,660,000 shares $81.13 million -10.1%9.2%7 $30.50 3/31/20212,960,000 shares $93.45 million +14.7%10.3%7.7 $31.57 3/15/20212,580,000 shares $87.69 million +4.0%8.9%5.8 $33.99 2/26/20212,480,000 shares $86.18 million -5.3%8.6%5.6 $34.75 2/12/20212,620,000 shares $98.59 million +4.8%9.1%5.9 $37.63 1/29/20212,500,000 shares $100.38 million -16.9%9.4%5.3 $40.15 1/15/20213,010,000 shares $137.17 million +11.9%11.5%6.1 $45.57 12/31/20202,690,000 shares $113.89 million +106.9%10.3%3.4 $42.34 12/15/20201,300,000 shares $56.65 million +18.2%5.1%1.7 $43.58 11/30/20201,100,000 shares $57.01 million -12.0%4.4%1.6 $51.83 11/15/20201,250,000 shares $57.39 million +22.6%4.9%1.9 $45.91 10/30/20201,020,000 shares $44.04 million +29.8%4.0%1.7 $43.18 10/15/2020785,700 shares $28.48 million -15.8%4.0%1.4 $36.25 9/30/2020933,500 shares $21.49 million +35.8%4.8%4.8 $23.02 9/15/2020687,300 shares $16.44 million +21.5%3.5%3.2 $23.92 8/31/2020565,600 shares $15.27 million -9.2%3.0%3 $27.00 REPL Short Interest - Frequently Asked Questions What is Replimune Group's current short interest? Short interest is the volume of Replimune Group shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 21,310,000 shares of REPL short. 28.80% of Replimune Group's shares are currently sold short. Learn More on Replimune Group's current short interest. What is a good short interest ratio for Replimune 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. REPL shares currently have a short interest ratio of 2.0. Learn More on Replimune Group's short interest ratio. Which institutional investors are shorting Replimune Group? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Replimune Group: Sofinnova Investments Inc., LMR Partners LLP, Group One Trading LLC, Jane Street Group LLC, Caption Management LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Replimune 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. 28.80% of Replimune Group's floating shares are currently sold short. Is Replimune Group's short interest increasing or decreasing? Replimune Group saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 21,310,000 shares, an increase of 165.7% from the previous total of 8,020,000 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 Replimune Group's short interest compare to its competitors? 28.80% of Replimune Group's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Replimune Group: Travere Therapeutics, Inc. (12.44%), Aurinia Pharmaceuticals Inc (7.88%), Biohaven Ltd. (14.82%), Schrodinger, Inc. (16.11%), Edgewise Therapeutics, Inc. (13.20%), Evotec AG (0.19%), AbCellera Biologics Inc. (17.76%), Janux Therapeutics, Inc. (16.04%), Ardelyx, Inc. (11.44%), WAVE Life Sciences Ltd. (13.29%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Replimune Group stock? Short selling REPL is an investing strategy that aims to generate trading profit from Replimune Group as its price is falling. REPL shares are trading up $0.07 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 Replimune Group? A short squeeze for Replimune 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 REPL, which in turn drives the price of the stock up even further. How often is Replimune 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 REPL, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Travere Therapeutics Short Interest Aurinia Pharmaceuticals Short Interest Biohaven Short Interest Schrodinger Short Interest Edgewise Therapeutics Short Interest Evotec Short Interest AbCellera Biologics Short Interest Janux Therapeutics Short Interest Ardelyx Short Interest WAVE Life Sciences Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:REPL) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS 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 | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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