Iovance Biotherapeutics (IOVA) Short Interest Ratio & Short Volume $2.18 -0.03 (-1.36%) Closing price 04:00 PM EasternExtended Trading$2.17 -0.01 (-0.23%) As of 07:51 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 Iovance Biotherapeutics Short Interest DataIovance Biotherapeutics (IOVA) has a short interest of 65.70 million shares, representing 22.45% of the float (the number of shares available for trading by the public). This marks a -7.88% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.0, indicating that it would take 4.0 days of the average trading volume of 13.20 million shares to cover all short positions.Current Short Interest65,700,000 sharesPrevious Short Interest71,320,000 sharesChange Vs. Previous Month-7.88%Dollar Volume Sold Short$149.14 millionShort Interest Ratio4.0 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares361,854,000 sharesFloat Size292,670,000 sharesShort Percent of Float22.45%Today's Trading Volume11,891,017 sharesAverage Trading Volume13,198,231 sharesToday's Volume Vs. Average90% Short Selling Iovance Biotherapeutics? Sign up to receive the latest short interest report for Iovance Biotherapeutics and its competitors with MarketBeat's FREE newsletter. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIOVA Short Interest Over TimeIOVA Days to Cover Over TimeIOVA Percentage of Float Shorted Over Time Iovance Biotherapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/15/202565,700,000 shares $149.14 million -7.9%22.5%4 $2.27 8/31/202571,320,000 shares $159.04 million -0.1%24.4%4.2 $2.23 8/15/202571,360,000 shares $181.97 million +5.4%24.4%4.2 $2.55 7/31/202567,710,000 shares $174.01 million -31.4%23.0%3.5 $2.57 7/15/202598,630,000 shares $191.34 million +1.9%36.3%5.7 $1.94 6/30/202596,780,000 shares $166.46 million +6.4%35.7%7.1 $1.72 6/15/202590,960,000 shares $203.75 million +5.3%33.5%6.9 $2.24 5/31/202586,360,000 shares $151.30 million +12.1%31.8%6.7 $1.75 5/15/202577,020,000 shares $135.56 million +3.3%28.4%5.8 $1.76 4/30/202574,570,000 shares $267.71 million +4.5%27.6%6.3 $3.59 Get the Latest News and Ratings for IOVA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Iovance Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. 4/15/202571,370,000 shares $230.53 million -5.1%26.9%7.4 $3.23 3/31/202575,190,000 shares $250.38 million +11.7%28.3%7.6 $3.33 3/15/202567,300,000 shares $241.61 million +12.9%25.3%7.2 $3.59 2/28/202559,590,000 shares $252.66 million -6.3%22.4%6.7 $4.24 2/15/202563,600,000 shares $354.25 million -0.5%25.7%8.6 $5.57 1/31/202563,910,000 shares $373.87 million +3.1%26.0%7.8 $5.85 1/15/202561,980,000 shares $366.30 million +1.1%25.1%8.1 $5.91 12/31/202461,310,000 shares $453.69 million +3.3%24.8%8.9 $7.40 12/15/202459,330,000 shares $464.55 million +4.2%24.0%9.6 $7.83 11/30/202456,920,000 shares $530.49 million +5.4%23.1%9.3 $9.32 11/15/202453,990,000 shares $441.64 million -9.6%21.9%8.6 $8.18 10/31/202459,730,000 shares $623.58 million -1.0%24.1%10.2 $10.44 10/15/202460,340,000 shares $578.66 million +0.7%24.4%10.1 $9.59 9/30/202459,950,000 shares $562.93 million -0.6%24.3%9.7 $9.39 9/15/202460,290,000 shares $623.40 million +4.5%24.4%8.9 $10.34 8/31/202457,690,000 shares $672.67 million -2.8%23.3%8 $11.66 8/15/202459,330,000 shares $633.05 million -3.3%24.5%8 $10.67 7/31/202461,320,000 shares $535.32 million +4.0%27.4%8.3 $8.73 7/15/202458,940,000 shares $511.60 million +4.5%26.4%9 $8.68 6/30/202456,420,000 shares $452.49 million +3.3%25.2%9 $8.02 6/15/202454,630,000 shares $445.78 million +9.4%24.4%9.3 $8.16 5/31/202449,960,000 shares $443.64 million -2.4%22.3%8.5 $8.88 5/15/202451,210,000 shares $546.92 million +2.3%22.9%7.8 $10.68 4/30/202450,060,000 shares $589.71 million +2.2%22.6%5.7 $11.78 4/15/202448,980,000 shares $582.37 million +5.6%22.2%5.5 $11.89 3/31/202446,380,000 shares $687.35 million -2.2%21.1%4.9 $14.82 3/15/202447,430,000 shares $659.75 million +1.5%21.6%4.6 $13.91 2/29/202446,710,000 shares $743.16 million +8.7%21.2%4.5 $15.91 2/15/202442,980,000 shares $424.21 million +2.4%20.1%4.4 $9.87 1/31/202441,970,000 shares $324.43 million -3.0%21.0%5.6 $7.73 1/15/202443,270,000 shares $389.86 million +18.8%21.7%5.7 $9.01 12/31/202336,410,000 shares $296.01 million +3.2%18.2%4.8 $8.13 12/15/202335,280,000 shares $274.48 million +2.0%17.7%5.1 $7.78 11/30/202334,590,000 shares $209.96 million -2.8%17.5%4.7 $6.07 11/15/202335,590,000 shares $169.05 million -8.4%18.0%5.2 $4.75 10/31/202338,860,000 shares $148.45 million +0.3%19.4%6 $3.82 10/15/202338,740,000 shares $140.63 million +5.4%19.4%6.4 $3.63 9/30/202336,770,000 shares $167.30 million +20.5%18.4%6 $4.55 9/15/202330,510,000 shares $160.79 million +1.5%15.3%4.9 $5.27 8/31/202330,070,000 shares $181.62 million +9.2%14.7%6.2 $6.04 8/15/202327,530,000 shares $206.75 million -0.1%13.5%4.6 $7.51 7/31/202327,550,000 shares $200.01 million +6.1%13.6%4.6 $7.26 7/15/202325,960,000 shares $201.45 million -10.1%13.1%4.4 $7.76 6/30/202328,890,000 shares $203.39 million +12.8%14.6%5.1 $7.04 6/15/202325,620,000 shares $221.36 million +18.3%14.1%4.8 $8.64 5/31/202321,650,000 shares $189.22 million -7.4%11.9%4.4 $8.74 5/15/202323,380,000 shares $183.30 million No Change12.9%5.9 $7.84 10/31/202217,260,000 shares $161.21 million -5.0%12.2%8 $9.34 10/15/202218,170,000 shares $160.80 million -2.6%12.7%8.2 $8.85 9/30/202218,660,000 shares $178.76 million -4.5%13.0%8 $9.58 9/15/202219,540,000 shares $231.94 million -0.6%13.7%6.5 $11.87 8/31/202219,650,000 shares $210.65 million -5.4%13.7%5.6 $10.72 8/15/202220,760,000 shares $266.77 million +6.9%14.5%4.1 $12.85 7/31/202219,420,000 shares $226.24 million -2.6%14.0%3.8 $11.65 7/15/202219,940,000 shares $255.23 million -7.5%14.3%4.1 $12.80 6/30/202221,550,000 shares $237.91 million +30.1%15.5%4.4 $11.04 6/15/202216,560,000 shares $135.79 million -4.7%11.9%3.5 $8.20 5/31/202217,370,000 shares $117.25 million +1.0%12.5%4.6 $6.75 5/15/202217,200,000 shares $242.00 million +8.8%12.4%8.2 $14.07 4/30/202215,810,000 shares $239.52 million +3.7%11.4%7.7 $15.15 4/15/202215,250,000 shares $268.71 million +9.9%11.0%7.3 $17.62 3/31/202213,880,000 shares $231.10 million +1.5%N/A6.3 $16.65 3/15/202213,680,000 shares $171.14 million -0.3%9.9%6.7 $12.51 2/28/202213,720,000 shares $214.99 million +9.4%10.1%7 $15.67 2/15/202212,540,000 shares $223.96 million +11.6%9.2%6.3 $17.86 1/31/202211,240,000 shares $187.15 million -6.5%8.3%5.3 $16.65 1/15/202212,020,000 shares $186.19 million -3.6%N/A5.7 $15.49 12/31/202112,470,000 shares $238.05 million -6.9%9.1%6.7 $19.09 12/15/202113,390,000 shares $247.85 million -14.3%9.8%7.9 $18.51 11/30/202115,620,000 shares $292.41 million -1.1%11.5%9.5 $18.72 11/15/202115,800,000 shares $309.52 million +3.7%11.6%10.2 $19.59 10/29/202115,230,000 shares $370.24 million +0.3%11.1%11.2 $24.31 10/15/202115,190,000 shares $404.21 million +3.8%11.2%11.2 $26.61 9/30/202114,640,000 shares $361.02 million -5.5%10.8%10 $24.66 9/15/202115,490,000 shares $372.22 million -6.7%11.5%9.4 $24.03 8/31/202116,600,000 shares $399.56 million -2.0%12.3%9 $24.07 8/13/202116,940,000 shares $368.78 million -1.7%12.5%7.5 $21.77 7/30/202117,240,000 shares $383.93 million -3.5%12.7%4.8 $22.27 7/15/202117,860,000 shares $402.39 million +0.7%12.7%4.9 $22.53 6/30/202117,730,000 shares $461.33 million -14.4%12.6%4.8 $26.02 6/15/202120,720,000 shares $490.65 million -7.2%14.7%5.5 $23.68 5/28/202122,330,000 shares $414.67 million +11.0%15.9%6.1 $18.57 5/14/202120,120,000 shares $503.20 million +1.9%N/A5.8 $25.01 4/30/202119,750,000 shares $618.97 million -1.5%N/A9.7 $31.34 4/15/202120,040,000 shares $601.00 million -6.0%N/A10.8 $29.99 3/31/202121,320,000 shares $631.92 million +43.3%N/A12 $29.64 3/15/202114,880,000 shares $516.19 million +6.4%N/A10.1 $34.69 2/26/202113,980,000 shares $510.41 million +9.4%N/A10 $36.51 2/12/202112,780,000 shares $610.25 million -9.0%N/A10.3 $47.75 1/29/202114,050,000 shares $613.28 million -8.4%N/A11.7 $43.65 1/15/202115,340,000 shares $798.14 million -1.2%N/A12.8 $52.03 12/31/202015,530,000 shares $757.24 million -5.4%N/A12 $48.76 12/15/202016,410,000 shares $824.77 million -2.2%N/A10.9 $50.26 11/30/202016,780,000 shares $660.80 million +1.3%N/A12.1 $39.38 11/15/202016,570,000 shares $625.02 million -0.1%N/A11.7 $37.72 10/30/202016,590,000 shares $595.25 million +9.4%N/A11.9 $35.88 10/15/202015,160,000 shares $524.54 million +17.3%N/A10.9 $34.60 IOVA Short Interest - Frequently Asked Questions What is Iovance Biotherapeutics' current short interest? Short interest is the volume of Iovance Biotherapeutics shares that have been sold short but have not yet been covered or closed out. As of September 15th, traders have sold 65,700,000 shares of IOVA short. 22.45% of Iovance Biotherapeutics' shares are currently sold short. Learn More on Iovance Biotherapeutics' current short interest. What is a good short interest ratio for Iovance Biotherapeutics? 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. IOVA shares currently have a short interest ratio of 4.0. Learn More on Iovance Biotherapeutics's short interest ratio. Which institutional investors are shorting Iovance Biotherapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Iovance Biotherapeutics: Group One Trading LLC, Jane Street Group 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 Iovance Biotherapeutics? 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. 22.45% of Iovance Biotherapeutics' floating shares are currently sold short. Is Iovance Biotherapeutics' short interest increasing or decreasing? Iovance Biotherapeutics saw a decline in short interest in the month of September. As of September 15th, there was short interest totaling 65,700,000 shares, a decline of 7.9% from the previous total of 71,320,000 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 Iovance Biotherapeutics' float size? Iovance Biotherapeutics currently has issued a total of 361,854,000 shares. Some of Iovance Biotherapeutics' 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. Iovance Biotherapeutics currently has a public float of 292,670,000 shares. How does Iovance Biotherapeutics' short interest compare to its competitors? 22.45% of Iovance Biotherapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Iovance Biotherapeutics: AMNEAL PHARMACEUTICALS, INC. (3.48%), NewAmsterdam Pharma Company N.V. (11.50%), Xenon Pharmaceuticals Inc. (9.13%), CG Oncology, Inc. (24.17%), Ultragenyx Pharmaceutical Inc. (8.25%), Viking Therapeutics, Inc. (24.02%), Kiniksa Pharmaceuticals International, plc (3.28%), Apellis Pharmaceuticals, Inc. (17.23%), Immunovant, Inc. (22.88%), HUTCHMED (China) Limited Sponsored ADR (0.24%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($8.81 billion), Canadian Natural Resources Limited ($5.82 billion), Reddit Inc. ($5.19 billion), Coinbase Global, Inc. ($4.52 billion), Robinhood Markets, Inc. ($4.30 billion), Charter Communications, Inc. ($3.75 billion), CoreWeave Inc. ($3.66 billion), Seagate Technology Holdings PLC ($3.57 billion), Live Nation Entertainment, Inc. ($3.33 billion), and Rocket Lab Corporation ($3.26 billion). View all of the most shorted stocks. What does it mean to sell short Iovance Biotherapeutics stock? Short selling IOVA is an investing strategy that aims to generate trading profit from Iovance Biotherapeutics as its price is falling. IOVA shares are trading down $0.13 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 Iovance Biotherapeutics? A short squeeze for Iovance Biotherapeutics 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 IOVA, which in turn drives the price of the stock up even further. How often is Iovance Biotherapeutics' 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 IOVA, twice per month. The most recent reporting period available is September, 15 2025. 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