Cellectis (CLLS) Short Interest Ratio & Short Volume $2.66 -0.05 (-1.85%) Closing price 08/7/2025 04:00 PM EasternExtended Trading$2.78 +0.12 (+4.32%) As of 05:44 AM 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 EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cellectis Short Interest DataCellectis (CLLS) has a short interest of 263,100 shares. This marks a 28.34% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.9, indicating that it would take 2.9 days of the average trading volume of 345,848 shares to cover all short positions.Current Short Interest263,100 sharesPrevious Short Interest205,000 sharesChange Vs. Previous Month+28.34%Dollar Volume Sold Short$555.14 thousandShort Interest Ratio2.9 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares55,580,000 sharesPercentage of Shares Shorted0.47%Today's Trading Volume81,518 sharesAverage Trading Volume345,848 sharesToday's Volume Vs. Average24% Short Selling Cellectis? Sign up to receive the latest short interest report for Cellectis and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCLLS Short Interest Over TimeCLLS Days to Cover Over TimeCLLS Percentage of Float Shorted Over Time Cellectis Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/2025263,100 shares $555.14 thousand +28.3%N/A2.9 $2.11 6/30/2025205,000 shares $312.63 thousand -4.1%0.4%3.3 $1.53 6/15/2025213,700 shares $284.22 thousand +9.4%0.5%3 $1.33 5/31/2025195,300 shares $282.60 thousand -11.3%0.4%0.6 $1.45 5/15/2025220,100 shares $321.35 thousand -30.7%0.5%0.7 $1.46 4/30/2025317,800 shares $522.78 thousand -6.6%N/A1 $1.65 4/15/2025340,300 shares $496.84 thousand -25.4%0.7%1 $1.46 3/31/2025455,900 shares $565.32 thousand +107.2%1.0%1.2 $1.24 3/15/2025220,000 shares $272.80 thousand -7.4%0.5%0.6 $1.24 2/28/2025237,600 shares $306.50 thousand +6.9%0.5%1.6 $1.29 Get the Latest News and Ratings for CLLS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Cellectis and its competitors with MarketBeat's FREE daily newsletter. 2/15/2025222,200 shares $344.41 thousand +0.4%0.5%1.6 $1.55 1/31/2025221,300 shares $356.29 thousand +34.0%N/A1.6 $1.61 1/15/2025165,200 shares $270.93 thousand -18.8%N/A1.2 $1.64 12/31/2024203,500 shares $366.30 thousand +59.7%N/A1.9 $1.80 12/15/2024127,400 shares $224.22 thousand -3.0%N/A2.1 $1.76 11/30/2024131,400 shares $275.94 thousand -6.5%N/A2.3 $2.10 11/15/2024140,500 shares $262.74 thousand -10.1%N/A2.7 $1.87 10/31/2024156,200 shares $278.04 thousand -55.0%N/A3.6 $1.78 10/15/2024346,800 shares $658.92 thousand -2.6%N/A7.6 $1.90 9/30/2024356,100 shares $762.05 thousand -2.1%N/A8.5 $2.14 9/15/2024363,600 shares $818.10 thousand -4.9%N/A8.4 $2.25 8/31/2024382,400 shares $917.76 thousand -3.3%N/A7.1 $2.40 8/15/2024395,400 shares $806.62 thousand -10.3%N/A7.4 $2.04 7/31/2024440,700 shares $973.95 thousand -0.5%N/A8 $2.21 7/15/2024443,100 shares $926.08 thousand +1.4%N/A8.1 $2.09 6/30/2024436,800 shares $816.82 thousand +4.5%N/A7.8 $1.87 6/15/2024418,200 shares $940.95 thousand -1.4%N/A7.5 $2.25 5/31/2024424,200 shares $1.15 million -16.8%N/A9.1 $2.71 5/15/2024509,900 shares $1.57 million -22.3%N/A9.9 $3.08 4/30/2024656,100 shares $1.68 million -2.5%N/A12.9 $2.56 4/15/2024672,800 shares $1.76 million -0.6%N/A17.8 $2.62 3/31/2024676,500 shares $1.79 million -0.4%N/A16.3 $2.65 3/15/2024679,300 shares $1.73 million -6.6%N/A13.5 $2.54 2/29/2024727,500 shares $1.88 million -0.1%N/A10.6 $2.58 2/15/2024728,200 shares $2.08 million -0.9%N/A8.2 $2.85 1/31/2024735,100 shares $2.21 million -4.2%N/A3.6 $3.00 1/15/2024767,300 shares $2.22 million -1.9%N/A0.4 $2.89 12/31/2023781,800 shares $2.41 million -7.0%N/A0.4 $3.08 12/15/2023840,900 shares $2.69 million -19.9%N/A0.5 $3.20 11/30/20231,050,000 shares $3.13 million -28.1%N/A0.6 $2.98Trump’s national nightmare is here (Ad)Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger the biggest forced rotation of capital since World War II. They reveal why Trump is mobilizing America’s tech giants… and name the two stocks most likely to soar as trillions shift behind the scenes.Watch the National Emergency broadcast here 11/15/20231,460,000 shares $4.09 million +302.8%N/A0.8 $2.80 10/31/2023362,500 shares $349.45 thousand -2.7%N/A0.2 $0.96 10/15/2023372,400 shares $513.91 thousand +7.9%N/A6.9 $1.38 9/30/2023345,200 shares $545.42 thousand +7.6%N/A5.6 $1.58 9/15/2023320,800 shares $545.36 thousand -0.5%N/A6.3 $1.70 8/31/2023322,300 shares $667.16 thousand -2.7%N/A6.5 $2.07 8/15/2023331,100 shares $652.27 thousand -3.5%N/A6.5 $1.97 7/31/2023343,200 shares $734.45 thousand +9.2%N/A5.7 $2.14 7/15/2023314,400 shares $704.29 thousand +0.5%N/A5.5 $2.24 6/30/2023312,800 shares $615.43 thousand -1.4%N/A6.2 $1.97 6/15/2023317,300 shares $640.95 thousand +2.6%N/A5.2 $2.02 5/31/2023309,200 shares $587.48 thousand -2.5%N/A4.5 $1.90 5/15/2023317,200 shares $558.27 thousand +0.2%N/A4.6 $1.76 4/30/2023316,700 shares $595.40 thousand -13.0%N/A3.7 $1.88 4/15/2023363,800 shares $742.15 thousand -0.2%N/A3.2 $2.04 3/31/2023364,600 shares $703.68 thousand -2.3%N/A2.8 $1.93 3/15/2023373,100 shares $682.77 thousand +1.4%N/A2.7 $1.83 2/28/2023367,900 shares $813.06 thousand -6.6%N/A2.5 $2.21 2/15/2023393,800 shares $945.12 thousand +5.4%N/A2.6 $2.40 1/31/2023373,600 shares $1.14 million +34.6%N/A2.4 $3.05 1/15/2023277,600 shares $1.07 million +31.0%0.6%2.4 $3.84 12/30/2022211,900 shares $444.99 thousand -32.2%0.5%1.9 $2.10 12/15/2022312,400 shares $702.90 thousand -17.4%0.7%3.2 $2.25 11/30/2022378,000 shares $831.60 thousand -28.2%0.8%4.5 $2.20 11/15/2022526,300 shares $1.18 million -9.3%1.2%6.3 $2.25 10/31/2022580,400 shares $1.44 million -13.9%1.3%6.9 $2.49 10/15/2022674,400 shares $1.66 million -6.7%1.5%6.5 $2.46 9/30/2022722,600 shares $1.65 million -11.8%1.6%6.6 $2.29 9/15/2022819,400 shares $2.61 million -2.4%1.8%7.2 $3.19 8/31/2022839,700 shares $2.78 million -2.4%1.9%6.5 $3.31 8/15/2022860,300 shares $3.51 million -3.0%1.9%6.3 $4.08 7/31/2022887,300 shares $2.32 million -9.2%2.0%6.1 $2.62 7/15/2022976,800 shares $2.40 million +1.0%2.2%6.7 $2.46 6/30/2022966,900 shares $2.74 million -4.3%2.2%6.7 $2.83 6/15/20221,010,000 shares $2.53 million -2.9%2.2%6.7 $2.50 5/31/20221,040,000 shares $3.76 million -1.9%2.3%5.2 $3.62 5/15/20221,060,000 shares $3.36 million -12.4%2.4%4.4 $3.17 4/30/20221,210,000 shares $4.24 million -24.8%2.7%4.7 $3.50 4/15/20221,610,000 shares $6.65 million -5.9%3.6%5.8 $4.13 3/31/20221,710,000 shares $7.76 million -4.5%3.8%5.5 $4.54 3/15/20221,790,000 shares $7.59 million -8.2%4.0%5.8 $4.24 2/28/20221,950,000 shares $8.83 million +18.9%4.3%6.5 $4.53 2/15/20221,640,000 shares $9.18 million +46.4%3.6%6.4 $5.60 1/31/20221,120,000 shares $6.96 million +16.7%2.5%4.6 $6.21 1/15/2022959,700 shares $7.00 million +31.4%N/A4.4 $7.29 12/31/2021730,200 shares $5.93 million +9.4%1.6%3.3 $8.12 12/15/2021667,300 shares $5.61 million -7.7%1.5%2.9 $8.41 11/30/2021722,900 shares $6.23 million +17.9%1.6%3.4 $8.62 11/15/2021613,200 shares $6.12 million +2.6%1.4%3.1 $9.98 10/29/2021597,800 shares $6.43 million -38.0%1.3%3 $10.76Trump’s national nightmare is here (Ad)Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger the biggest forced rotation of capital since World War II. They reveal why Trump is mobilizing America’s tech giants… and name the two stocks most likely to soar as trillions shift behind the scenes.Watch the National Emergency broadcast here 10/15/2021964,500 shares $10.45 million -22.8%2.1%4.9 $10.83 9/30/20211,250,000 shares $15.76 million -1.6%2.8%6.7 $12.61 9/15/20211,270,000 shares $17.78 million +1.6%2.8%7.6 $14.00 8/31/20211,250,000 shares $17.98 million -3.9%2.8%6.7 $14.38 8/13/20211,300,000 shares $16.28 million -7.8%2.9%6.2 $12.52 7/30/20211,410,000 shares $18.26 million No Change3.1%6.5 $12.95 7/15/20211,410,000 shares $19.29 million +11.9%3.1%6.4 $13.68 6/30/20211,260,000 shares $19.49 million +5.9%2.8%5.6 $15.47 6/15/20211,190,000 shares $17.92 million -21.7%2.6%4.5 $15.06 5/28/20211,520,000 shares $23.82 million +2.7%3.4%5.4 $15.67 5/14/20211,480,000 shares $21.93 million +28.7%N/A4.5 $14.82 4/30/20211,150,000 shares $21.76 million -0.9%2.8%3.2 $18.92 4/15/20211,160,000 shares $22.63 million -5.7%2.8%2.9 $19.51 3/31/20211,230,000 shares $23.14 million +10.8%3.2%2.7 $18.81 3/15/20211,110,000 shares $22.14 million +28.1%2.9%2.4 $19.95 2/26/2021866,800 shares $17.89 million +117.8%2.2%1.7 $20.64 2/12/2021398,000 shares $10.70 million -9.3%1.0%0.9 $26.88 1/29/2021438,700 shares $12.39 million -28.6%1.0%1 $28.25 1/15/2021614,200 shares $19.00 million -21.5%1.5%1.7 $30.94 12/31/2020782,100 shares $23.00 million -10.9%1.9%2.3 $29.41 12/15/2020878,100 shares $27.41 million -3.6%2.1%3.1 $31.21 11/30/2020911,200 shares $22.06 million -10.7%2.2%4.6 $24.21 11/15/20201,020,000 shares $19.50 million +20.8%2.4%5.8 $19.12 10/30/2020844,700 shares $13.82 million +16.8%2.0%4.9 $16.36 10/15/2020723,400 shares $15.86 million +28.2%1.7%4.5 $21.92 9/30/2020564,200 shares $10.44 million -0.5%1.3%3.7 $18.50 9/15/2020567,100 shares $11.44 million +4.8%1.3%3.7 $20.18 8/31/2020540,900 shares $9.98 million +18.4%1.3%3.2 $18.45 8/14/2020456,800 shares $7.82 million +32.1%1.1%2.4 $17.12 CLLS Short Interest - Frequently Asked Questions What is Cellectis' current short interest? Short interest is the volume of Cellectis shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 263,100 shares of CLLS short. Learn More on Cellectis' current short interest. What is a good short interest ratio for Cellectis? 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. CLLS shares currently have a short interest ratio of 3.0. Learn More on Cellectis's short interest ratio. Is Cellectis' short interest increasing or decreasing? Cellectis saw a increase in short interest in July. As of July 15th, there was short interest totaling 263,100 shares, an increase of 28.3% from the previous total of 205,000 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 Cellectis' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Cellectis: Theravance Biopharma, Inc. (8.60%), Sage Therapeutics, Inc. (4.03%), Prime Medicine, Inc. (40.95%), Rezolute, Inc. (9.63%), Upexi, Inc. (3.17%), Solid Biosciences Inc. (18.18%), Kura Oncology, Inc. (9.71%), Terns Pharmaceuticals, Inc. (9.07%), Opthea Limited Unsponsored ADR (0.36%), aTyr Pharma, Inc. (23.68%), 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 Cellectis stock? Short selling CLLS is an investing strategy that aims to generate trading profit from Cellectis as its price is falling. CLLS shares are trading down $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 Cellectis? A short squeeze for Cellectis 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 CLLS, which in turn drives the price of the stock up even further. How often is Cellectis' 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 CLLS, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies Theravance Biopharma Short Interest Sage Therapeutics Short Interest Prime Medicine Short Interest Rezolute Short Interest Upexi Short Interest Solid Biosciences Short Interest Kura Oncology Short Interest Terns Pharmaceuticals Short Interest Opthea Short Interest aTyr Pharma 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:CLLS) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. 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