Cellectis (CLLS) Short Interest Ratio & Short Volume $2.60 -0.07 (-2.62%) Closing price 08/28/2025 04:00 PM EasternExtended Trading$2.62 +0.02 (+0.58%) As of 04:00 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 178,800 shares, representing 0.38% of the float (the number of shares available for trading by the public). This marks a -32.04% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.2, indicating that it would take 1.2 days of the average trading volume of 138,856 shares to cover all short positions.Current Short Interest178,800 sharesPrevious Short Interest263,100 sharesChange Vs. Previous Month-32.04%Dollar Volume Sold Short$448.79 thousandShort Interest Ratio1.2 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares55,580,000 sharesShort Percent of Float0.38%Today's Trading Volume40,208 sharesAverage Trading Volume138,856 sharesToday's Volume Vs. Average29% 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. 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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 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 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 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. 2/28/2025237,600 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 $3.20BONUS GUIDE - Ben Stein Prepares For the Next Financial Crisis (Ad)With inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist Ben Stein—drawing on insights from his own experience and his father’s time advising two U.S. presidents—just released a new report on how to help protect your retirement from the next major crisis.Claim your free copy of “How to Survive the Next Financial Crisis” today 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 $9.98BONUS GUIDE - Ben Stein Prepares For the Next Financial Crisis (Ad)With inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist Ben Stein—drawing on insights from his own experience and his father’s time advising two U.S. presidents—just released a new report on how to help protect your retirement from the next major crisis.Claim your free copy of “How to Survive the Next Financial Crisis” today 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 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 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 31st, investors have sold 178,800 shares of CLLS short. 0.38% of Cellectis' shares are currently sold 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 1.0. Learn More on Cellectis's short interest ratio. What is a good short interest percentage for Cellectis? 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. 0.38% of Cellectis' floating shares are currently sold short. Is Cellectis' short interest increasing or decreasing? Cellectis saw a decrease in short interest during the month of July. As of July 31st, there was short interest totaling 178,800 shares, a decrease of 32.0% from the previous total of 263,100 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? 0.38% of Cellectis' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Cellectis: Keros Therapeutics, Inc. (15.01%), MeiraGTx Holdings PLC (4.44%), Maravai LifeSciences Holdings, Inc. (12.86%), Tyra Biosciences, Inc. (18.27%), Organogenesis (15.25%), Rezolute, Inc. (10.93%), Terns Pharmaceuticals, Inc. (9.68%), Xencor, Inc. (13.62%), Tourmaline Bio, Inc. (16.07%), SNDL Inc. (1.24%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: 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 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 $0.07 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 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 July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Keros Therapeutics Short Interest MeiraGTx Short Interest Maravai LifeSciences Short Interest Tyra Biosciences Short Interest Organogenesis Short Interest Rezolute Short Interest Terns Pharmaceuticals Short Interest Xencor Short Interest Tourmaline Bio Short Interest SNDL 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 8/29/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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