Cellectis (CLLS) Short Interest Ratio & Short Volume $4.17 -0.13 (-3.02%) Closing price 04:00 PM EasternExtended Trading$4.19 +0.02 (+0.50%) As of 05:25 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 ForecastsChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cellectis Short Interest DataCellectis (CLLS) has a short interest of 257,100 shares. This marks a 22.66% increase in short interest from the previous month. The short interest ratio (days to cover) is 1.5, indicating that it would take 1.5 days of the average trading volume of 169,952 shares to cover all short positions.Current Short Interest257,100 sharesPrevious Short Interest209,600 sharesChange Vs. Previous Month+22.66%Dollar Volume Sold Short$768.73 thousandShort Interest Ratio1.5 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares55,580,000 sharesPercentage of Shares Shorted0.46%Today's Trading Volume199,678 sharesAverage Trading Volume169,952 sharesToday's Volume Vs. Average117% Short Selling Cellectis? Sign up to receive the latest short interest report for Cellectis and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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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 9/15/2025257,100 shares $768.73 thousand +22.7%N/A1.5 $2.99 8/31/2025209,600 shares $538.67 thousand -26.6%0.5%1.4 $2.57 8/15/2025285,600 shares $813.96 thousand +59.7%N/A1.9 $2.85 7/31/2025178,800 shares $448.79 thousand -32.0%0.4%1.2 $2.51 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 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. 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 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 $2.98 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 $10.76 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 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 covered or closed out. As of September 15th, traders have sold 257,100 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 2.0. Learn More on Cellectis's short interest ratio. Is Cellectis' short interest increasing or decreasing? Cellectis saw a increase in short interest in September. As of September 15th, there was short interest totaling 257,100 shares, an increase of 22.7% from the previous total of 209,600 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: Oculis Holding AG (0.03%), Olema Pharmaceuticals, Inc. (12.01%), Akebia Therapeutics, Inc. (10.32%), Oruka Therapeutics, Inc. (10.00%), Tyra Biosciences, Inc. (17.46%), Palvella Therapeutics, Inc. (9.88%), Theravance Biopharma, Inc. (11.08%), Terns Pharmaceuticals, Inc. (11.94%), Nurix Therapeutics, Inc. (17.07%), Gyre Therapeutics, Inc. (13.86%), 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 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 $0.13 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 Cellectis? A short squeeze for Cellectis 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 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 September, 15 2025. More Short Interest Resources from MarketBeat Related Companies Oculis Short Interest Olema Pharmaceuticals Short Interest Akebia Therapeutics Short Interest Oruka Therapeutics Short Interest Tyra Biosciences Short Interest Palvella Therapeutics Short Interest Theravance Biopharma Short Interest Terns Pharmaceuticals Short Interest Nurix Therapeutics Short Interest Gyre Therapeutics 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 10/9/2025 by MarketBeat.com Staff From Our PartnersBitcoin grabs headlines, but smart money likes this tokenBitcoin grabs headlines, but smart money likes this token My research team has identified the token positio...Crypto 101 Media | SponsoredMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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