AbCellera Biologics (ABCL) Short Interest Ratio & Short Volume $2.09 +0.07 (+3.47%) Closing price 05/20/2025 04:00 PM EasternExtended Trading$2.09 0.00 (0.00%) As of 07:11 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock AbCellera Biologics Short Interest DataAbCellera Biologics (ABCL) has a short interest of 23.01 million shares, representing 10.27% of the float (the number of shares available for trading by the public). This marks a -3.24% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.5, indicating that it would take 5.5 days of the average trading volume of 2.88 million shares to cover all short positions.Current Short Interest23,010,000 sharesPrevious Short Interest23,780,000 sharesChange Vs. Previous Month-3.24%Dollar Volume Sold Short$60.06 millionShort Interest Ratio5.5 Days to CoverLast Record DateApril 30, 2025Outstanding Shares298,424,000 sharesFloat Size223,950,000 sharesShort Percent of Float10.27%Today's Trading Volume3,934,555 sharesAverage Trading Volume2,877,210 sharesToday's Volume Vs. Average137% Short Selling AbCellera Biologics? Sign up to receive the latest short interest report for AbCellera Biologics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartABCL Short Interest Over TimeABCL Days to Cover Over TimeABCL Percentage of Float Shorted Over Time AbCellera Biologics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202523,010,000 shares $60.06 million -3.2%10.3%5.5 $2.61 4/15/202523,780,000 shares $57.79 million +0.7%10.6%5.7 $2.43 3/31/202523,620,000 shares $52.67 million +3.6%10.6%5.6 $2.23 3/15/202522,790,000 shares $57.43 million +14.5%10.2%5.7 $2.52 2/28/202519,900,000 shares $51.54 million -1.0%8.9%5.2 $2.59 2/15/202520,100,000 shares $65.73 million +9.1%9.1%5.9 $3.27 1/31/202518,430,000 shares $58.42 million +6.8%8.3%5.9 $3.17 1/15/202517,260,000 shares $51.09 million +4.2%7.8%5.9 $2.96 12/31/202416,570,000 shares $48.55 million +4.3%7.5%6.6 $2.93 12/15/202415,890,000 shares $44.65 million -2.2%7.2%7.1 $2.81 Get the Latest News and Ratings for ABCL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AbCellera Biologics and its competitors with MarketBeat's FREE daily newsletter. 11/30/202416,250,000 shares $48.91 million +2.0%7.3%7.4 $3.01 11/15/202415,930,000 shares $42.21 million -4.3%7.2%7.3 $2.65 10/31/202416,640,000 shares $45.43 million -4.1%8.0%8.1 $2.73 10/15/202417,350,000 shares $44.42 million +1.7%8.4%9.4 $2.56 9/30/202417,060,000 shares $44.36 million +1.3%8.3%9.8 $2.60 9/15/202416,840,000 shares $46.31 million -4.1%8.2%9 $2.75 8/31/202417,550,000 shares $44.93 million -3.4%8.5%9.2 $2.56 8/15/202418,170,000 shares $47.61 million +4.3%8.8%10.7 $2.62 7/31/202417,420,000 shares $56.79 million -2.0%8.4%10.6 $3.26 7/15/202417,770,000 shares $56.86 million -5.4%8.6%10.7 $3.20 6/30/202418,780,000 shares $55.59 million -4.8%9.1%11.5 $2.96 6/15/202419,720,000 shares $63.70 million +7.1%9.6%13.1 $3.23 5/31/202418,420,000 shares $72.21 million -6.7%8.9%14.6 $3.92 5/15/202419,750,000 shares $73.08 million -15.2%9.6%14.6 $3.70 4/30/202423,290,000 shares $88.04 million +0.9%11.3%16.8 $3.78 4/15/202423,090,000 shares $96.52 million -2.1%11.3%17.4 $4.18 3/31/202423,590,000 shares $106.86 million +2.4%11.5%16.7 $4.53 3/15/202423,040,000 shares $108.52 million +1.1%11.2%16 $4.71 2/29/202422,780,000 shares $115.04 million -0.1%11.1%14.8 $5.05 2/15/202422,810,000 shares $120.44 million -6.9%11.4%14.6 $5.28 1/31/202424,490,000 shares $125.14 million -2.3%12.3%16.8 $5.11 1/15/202425,070,000 shares $135.13 million -2.0%12.6%16.6 $5.39 12/31/202325,580,000 shares $146.06 million -3.2%12.9%16.7 $5.71 12/15/202326,420,000 shares $143.46 million -2.2%13.3%16.9 $5.43 11/30/202327,000,000 shares $127.17 million -1.7%13.6%16.8 $4.71 11/15/202327,470,000 shares $124.44 million -1.2%13.9%17.8 $4.53 10/31/202327,810,000 shares $114.30 million +5.5%14.0%17 $4.11 10/15/202326,370,000 shares $112.34 million +2.5%13.4%15 $4.26 9/30/202325,720,000 shares $118.31 million +1.7%13.0%13.6 $4.60 9/15/202325,290,000 shares $135.05 million -4.2%12.8%12.4 $5.34While others chase AI stocks, smart traders do this (Ad)Since the pandemic, the average mortgage payment has jumped from $1,427 to $2,047. That's an extra $600 every single month just vanishing from people's pockets. Meanwhile, credit card debt is hitting record highs, and savings accounts are at their lowest since 2008. Most folks are left with two options… Get a second job... or work overtime on weekends. But what if there was a third option? I just uncovered a shocking anomaly in the options market that could change everything... One that lets you target extra cash on days when most people make nothing - weekends. Think what that could mean for your monthly budget...you can get the full story here 8/31/202326,390,000 shares $143.83 million -4.2%13.4%10 $5.45 8/15/202327,550,000 shares $152.08 million +4.3%14.0%9.2 $5.52 7/31/202326,410,000 shares $204.15 million +4.9%13.4%8.3 $7.73 7/15/202325,170,000 shares $180.22 million -0.3%12.8%8.1 $7.16 6/30/202325,240,000 shares $163.05 million -12.9%12.8%8.7 $6.46 6/15/202328,960,000 shares $216.62 million +11.5%14.7%10.3 $7.48 5/31/202325,970,000 shares $181.01 million -2.4%13.2%12 $6.97 5/15/202326,620,000 shares $159.19 million +8.5%13.5%13.5 $5.98 4/30/202324,530,000 shares $166.31 million +4.0%12.5%14.1 $6.78 4/15/202323,590,000 shares $174.09 million +0.1%12.0%14.9 $7.38 3/31/202323,560,000 shares $177.64 million +2.2%12.0%14.4 $7.54 3/15/202323,050,000 shares $171.26 million +4.0%11.8%13.6 $7.43 2/28/202322,170,000 shares $186.23 million +9.0%11.3%12 $8.40 2/15/202320,340,000 shares $202.99 million +6.3%10.5%10.9 $9.98 1/31/202319,130,000 shares $201.44 million -2.8%9.9%10.1 $10.53 1/15/202319,680,000 shares $204.28 million +29.9%10.1%9.8 $10.38 12/30/202215,150,000 shares $153.47 million -1.3%7.8%7.6 $10.13 12/15/202215,350,000 shares $159.64 million -7.0%7.9%7.6 $10.40 11/30/202216,510,000 shares $212.48 million -7.3%8.5%8.7 $12.87 11/15/202217,800,000 shares $257.92 million -2.4%9.2%10.3 $14.49 10/31/202218,230,000 shares $215.66 million -6.7%9.4%10 $11.83 10/15/202219,530,000 shares $201.94 million +0.6%10.1%11.1 $10.34 9/30/202219,410,000 shares $191.96 million -10.2%10.1%10.6 $9.89 9/15/202221,620,000 shares $235.23 million +7.8%11.6%9.6 $10.88 8/31/202220,050,000 shares $214.13 million +3.7%10.8%7.7 $10.68 8/15/202219,340,000 shares $261.86 million +1.0%10.4%7.2 $13.54 7/31/202219,140,000 shares $192.17 million -0.5%10.3%7 $10.04 7/15/202219,230,000 shares $202.68 million +0.2%10.3%7.3 $10.54 6/30/202219,200,000 shares $204.48 million +56.5%10.3%7.5 $10.65 6/15/202212,270,000 shares $113.74 million +13.9%6.6%4.9 $9.27 5/31/202210,770,000 shares $82.07 million -9.9%5.8%5.8 $7.62 5/15/202211,950,000 shares $86.40 million +2.0%6.4%6.5 $7.23 4/30/202211,720,000 shares $89.89 million -9.1%6.2%6.8 $7.67 4/15/202212,890,000 shares $115.88 million +7.2%6.9%6.8 $8.99 3/31/202212,030,000 shares $117.29 million +5.5%6.4%5.8 $9.75 3/15/202211,400,000 shares $88.58 million +8.5%6.1%5.6 $7.77 2/28/202210,510,000 shares $91.54 million -11.5%5.6%4.8 $8.71 2/15/202211,880,000 shares $118.56 million -2.5%6.4%5.5 $9.98 1/31/202212,190,000 shares $109.59 million -3.6%7.2%5.8 $8.99 1/15/202212,650,000 shares $127.13 million +19.7%7.6%6.4 $10.05 12/31/202110,570,000 shares $151.15 million +9.8%6.3%5.8 $14.30 12/15/20219,630,000 shares $125.09 million -14.2%5.8%4.9 $12.99 11/30/202111,220,000 shares $167.85 million +7.3%6.7%4.8 $14.96 11/15/202110,460,000 shares $171.44 million -1.4%6.3%4.5 $16.39 10/29/202110,610,000 shares $166.68 million +5.2%6.5%4.3 $15.71 10/15/202110,090,000 shares $156.70 million +24.3%6.2%4.2 $15.53 9/30/20218,120,000 shares $162.72 million +3.3%5.0%3.3 $20.04 9/15/20217,860,000 shares $147.85 million +1.6%4.8%3.3 $18.81 8/31/20217,740,000 shares $129.88 million -26.2%4.8%3.7 $16.78 8/13/202110,490,000 shares $187.67 million +22.7%6.6%5.1 $17.89While others chase AI stocks, smart traders do this (Ad)Since the pandemic, the average mortgage payment has jumped from $1,427 to $2,047. That's an extra $600 every single month just vanishing from people's pockets. Meanwhile, credit card debt is hitting record highs, and savings accounts are at their lowest since 2008. Most folks are left with two options… Get a second job... or work overtime on weekends. But what if there was a third option? I just uncovered a shocking anomaly in the options market that could change everything... One that lets you target extra cash on days when most people make nothing - weekends. Think what that could mean for your monthly budget...you can get the full story here 7/30/20218,550,000 shares $129.70 million +0.2%5.5%4.9 $15.17 7/15/20218,530,000 shares $141.00 million +1.8%5.3%5.3 $16.53 6/30/20218,380,000 shares $184.36 million +17.7%5.2%5.3 $22.00 6/15/20217,120,000 shares $167.53 million -6.1%4.5%4.7 $23.53 5/28/20217,580,000 shares $203.37 million -10.1%5.1%6.4 $26.83 5/14/20218,430,000 shares $287.80 million +31.9%5.6%7.9 $34.14 4/30/20216,390,000 shares $183.90 million +8.3%4.3%5.9 $28.78 4/15/20215,900,000 shares $166.68 million -4.8%3.9%5.6 $28.25 3/31/20216,200,000 shares $165.42 million +53.9%4.1%5.7 $26.68 3/15/20214,030,000 shares $147.26 million +79.9%2.7%4.4 $36.54 2/26/20212,240,000 shares $87.49 million -23.0%1.5%1.9 $39.06 2/12/20212,910,000 shares $133.86 million -37.3%2.0%2.4 $46.00 1/29/20214,640,000 shares $238.96 million -6.1%3.1%3.6 $51.50 1/15/20214,940,000 shares $230.40 million No Change3.2%3.4 $46.64 ABCL Short Interest - Frequently Asked Questions What is AbCellera Biologics' current short interest? Short interest is the volume of AbCellera Biologics shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 23,010,000 shares of ABCL short. 10.27% of AbCellera Biologics' shares are currently sold short. Learn More on AbCellera Biologics' current short interest. What is a good short interest ratio for AbCellera Biologics? 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. ABCL shares currently have a short interest ratio of 6.0. Learn More on AbCellera Biologics's short interest ratio. Which institutional investors are shorting AbCellera Biologics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of AbCellera Biologics: 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 AbCellera Biologics? 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. 10.27% of AbCellera Biologics' floating shares are currently sold short. Is AbCellera Biologics' short interest increasing or decreasing? AbCellera Biologics saw a decline in short interest in April. As of April 30th, there was short interest totaling 23,010,000 shares, a decline of 3.2% from the previous total of 23,780,000 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 AbCellera Biologics' float size? AbCellera Biologics currently has issued a total of 298,424,000 shares. Some of AbCellera Biologics' 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. AbCellera Biologics currently has a public float of 223,950,000 shares. How does AbCellera Biologics' short interest compare to its competitors? 10.27% of AbCellera Biologics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to AbCellera Biologics: HUTCHMED (China) Limited (0.24%), 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%), 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 AbCellera Biologics stock? Short selling ABCL is an investing strategy that aims to generate trading profit from AbCellera Biologics as its price is falling. ABCL shares are trading up $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 AbCellera Biologics? A short squeeze for AbCellera Biologics 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 ABCL, which in turn drives the price of the stock up even further. How often is AbCellera Biologics' 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 ABCL, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies HUTCHMED Short Squeeze Amneal Pharmaceuticals Short Squeeze Organon & Co. Short Squeeze Mirum Pharmaceuticals Short Squeeze Apellis Pharmaceuticals Short Squeeze Denali Therapeutics Short Squeeze Vericel Short Squeeze NewAmsterdam Pharma Short Squeeze Kymera Therapeutics Short Squeeze Biohaven Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ABCL) was last updated on 5/21/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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