Live Earnings Conference Call: Replimune Group will host a live Q4 2025 earnings call on May 22, 2025 at 8:00AM ET. Follow this link to get details and listen to Replimune Group's Q4 2025 earnings call when it goes live. Get details. Replimune Group (REPL) Short Interest Ratio & Short Volume $8.46 -0.73 (-7.94%) Closing price 05/21/2025 04:00 PM EasternExtended Trading$8.56 +0.10 (+1.24%) As of 05/21/2025 07:41 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 InterestSustainabilityTrendsBuy This Stock Replimune Group Short Interest DataReplimune Group (REPL) has a short interest of 9.17 million shares. This marks a 3.85% increase in short interest from the previous month. The short interest ratio (days to cover) is 10.7, indicating that it would take 10.7 days of the average trading volume of 917,949 shares to cover all short positions.Current Short Interest9,170,000 sharesPrevious Short Interest8,830,000 sharesChange Vs. Previous Month+3.85%Dollar Volume Sold Short$89.68 millionShort Interest Ratio10.7 Days to CoverLast Record DateApril 30, 2025Outstanding Shares77,015,000 sharesPercentage of Shares Shorted11.91%Today's Trading Volume2,888,834 sharesAverage Trading Volume917,949 sharesToday's Volume Vs. Average315% 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 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 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 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. 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 $8.06 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 $17.89July 2025 Rule Change to Impact Retirement Investors (Ad)There's a massive change from a new rule going into effect this July. And it's one the Big Banks are already using to their advantage… It allows them to treat this new asset like actual cash.Yes, Send Me My FREE Retirement Guide 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 $33.04 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 $30.20A new financial chapter (Ad)Porter Stansberry says what happened last week could become the defining legacy of his financial publishing career. 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If you missed the event, he’s republishing the message he sent to attendees right after it ended. 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 8/14/2020622,600 shares $14.54 million +6.5%3.3%2.9 $23.35 7/31/2020584,500 shares $11.67 million +24.6%3.6%2.7 $19.97 7/15/2020469,000 shares $10.67 million -15.8%2.9%2.2 $22.76 6/30/2020556,900 shares $13.84 million -37.0%3.5%2.8 $24.85 6/15/2020883,200 shares $18.19 million +110.4%6.3%5.7 $20.60 5/29/2020419,800 shares $7.88 million -2.3%3.0%3.3 $18.78 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 April 30th, traders have sold 9,170,000 shares of REPL 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 11.0. 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: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Replimune Group's short interest increasing or decreasing? Replimune Group saw a increase in short interest in the month of April. As of April 30th, there was short interest totaling 9,170,000 shares, an increase of 3.9% from the previous total of 8,830,000 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? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Replimune Group: Amneal Pharmaceuticals, Inc. (4.44%), Organon & Co. (7.61%), Mirum Pharmaceuticals, Inc. (12.58%), Apellis Pharmaceuticals, Inc. (22.89%), Denali Therapeutics Inc. (9.34%), Vericel Co. (9.18%), NewAmsterdam Pharma (8.68%), Kymera Therapeutics, Inc. (11.03%), Biohaven Ltd. (7.65%), ImmunityBio, Inc. (7.79%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 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 down $0.73 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 increases 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 April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Amneal Pharmaceuticals Short Interest Organon & Co. Short Interest Mirum Pharmaceuticals Short Interest Apellis Pharmaceuticals Short Interest Denali Therapeutics Short Interest Vericel Short Interest NewAmsterdam Pharma Short Interest Kymera Therapeutics Short Interest Biohaven Short Interest ImmunityBio 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 5/22/2025 by MarketBeat.com Staff From Our PartnersWarning: Prepare to Be Shocked by These PayoutsThere's a strategy out there paying up to 70% on tech stocks like Amazon, Tesla, and Microsoft—stocks that don...Investors Alley | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredThe Prophet's Newest PredictionA storm is brewing in the markets: new tariffs, recession warnings, and panic in the headlines. 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