Autolus Therapeutics (AUTL) Short Interest Ratio & Short Volume $1.54 +0.02 (+0.98%) As of 10:11 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Autolus Therapeutics Short Interest DataAutolus Therapeutics (AUTL) has a short interest of 10.45 million shares. This marks a -8.73% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.9, indicating that it would take 5.9 days of the average trading volume of 1.48 million shares to cover all short positions.Current Short Interest10,450,000 sharesPrevious Short Interest11,450,000 sharesChange Vs. Previous Month-8.73%Dollar Volume Sold Short$14.73 millionShort Interest Ratio5.9 Days to CoverLast Record DateApril 30, 2025Outstanding Shares266,141,000 sharesPercentage of Shares Shorted3.93%Today's Trading Volume159,335 sharesAverage Trading Volume1,479,126 sharesToday's Volume Vs. Average11% Short Selling Autolus Therapeutics? Sign up to receive the latest short interest report for Autolus Therapeutics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAUTL Short Interest Over TimeAUTL Days to Cover Over TimeAUTL Percentage of Float Shorted Over Time Autolus Therapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202510,450,000 shares $14.73 million -8.7%N/A5.9 $1.41 4/15/202511,450,000 shares $16.03 million +15.5%5.8%7.3 $1.40 3/31/20259,910,000 shares $15.36 million +8.5%5.0%7.3 $1.55 3/15/20259,130,000 shares $17.07 million +0.3%4.6%7 $1.87 2/28/20259,100,000 shares $15.74 million -4.1%4.6%6.5 $1.73 2/15/20259,490,000 shares $19.36 million +4.2%4.8%6.5 $2.04 1/31/20259,110,000 shares $20.13 million +8.7%N/A5.3 $2.21 1/15/20258,380,000 shares $19.53 million -2.9%N/A4.6 $2.33 12/31/20248,630,000 shares $20.28 million +12.4%N/A4.7 $2.35 12/15/20247,680,000 shares $19.12 million +22.1%N/A4.4 $2.49 Get the Latest News and Ratings for AUTL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Autolus Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 11/30/20246,290,000 shares $20.88 million +0.6%N/A4.1 $3.32 11/15/20246,250,000 shares $19.25 million -13.1%N/A4.4 $3.08 10/31/20247,190,000 shares $24.23 million -17.8%N/A6.4 $3.37 10/15/20248,750,000 shares $37.28 million -13.3%N/A10.9 $4.26 9/30/202410,090,000 shares $36.63 million -6.0%N/A11.5 $3.63 9/15/202410,730,000 shares $43.78 million -6.1%N/A11.1 $4.08 8/31/202411,430,000 shares $44.92 million -8.0%N/A10.4 $3.93 8/15/202412,420,000 shares $46.58 million No ChangeN/A10.3 $3.75 7/31/202412,420,000 shares $58.25 million +4.4%N/A9.3 $4.69 7/15/202411,900,000 shares $52.96 million +74.7%N/A7 $4.45 6/30/20246,810,000 shares $23.70 million +5.9%N/A4.2 $3.48 6/15/20246,430,000 shares $28.94 million +79.1%N/A4.1 $4.50 5/31/20243,590,000 shares $15.04 million +10.5%N/A2.4 $4.19 5/15/20243,250,000 shares $12.77 million -7.7%N/A2.1 $3.93 4/30/20243,520,000 shares $12.95 million -13.5%N/A1.9 $3.68 4/15/20244,070,000 shares $19.94 million -2.4%N/A2.6 $4.90 3/31/20244,170,000 shares $26.60 million +32.4%N/A2.6 $6.38 3/15/20243,150,000 shares $18.33 million +13.7%N/A1.9 $5.82 2/29/20242,770,000 shares $16.62 million -10.7%N/A1.7 $6.00 2/15/20243,100,000 shares $21.95 million +5.4%N/A1.9 $7.08 1/31/20242,940,000 shares $17.70 million +21.5%N/A2.1 $6.02 1/15/20242,420,000 shares $17.40 million +12.0%N/A2.1 $7.19 12/31/20232,160,000 shares $13.91 million -18.5%N/A2.2 $6.44 12/15/20232,650,000 shares $13.28 million +26.8%N/A3.2 $5.01 11/30/20232,090,000 shares $8.95 million +41.2%N/A3.3 $4.28 11/15/20231,480,000 shares $6.28 million +0.7%N/A2.8 $4.24 10/31/20231,470,000 shares $4.15 million -2.0%N/A3.7 $2.82 10/15/20231,500,000 shares $3.53 million +5.6%N/A4.2 $2.35 9/30/20231,420,000 shares $3.31 million -11.8%N/A3.8 $2.33 9/15/20231,610,000 shares $4.62 million +17.5%N/A3.6 $2.87Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma 8/31/20231,370,000 shares $4.40 million -16.5%N/A3 $3.21 8/15/20231,640,000 shares $4.51 million -12.3%N/A2.7 $2.75 7/31/20231,870,000 shares $6.04 million +18.4%N/A2.6 $3.23 7/15/20231,580,000 shares $3.89 million +6.0%N/A2.2 $2.46 6/30/20231,490,000 shares $3.55 million +4.9%N/A2.2 $2.38 6/15/20231,420,000 shares $4.02 million -11.8%N/A2.1 $2.83 5/31/20231,610,000 shares $5.01 million +117.7%N/A2.3 $3.11 5/15/2023739,700 shares $1.86 million -14.1%N/A1.3 $2.52 4/30/2023861,000 shares $1.56 million -33.3%N/A1.6 $1.81 4/15/20231,290,000 shares $2.32 million -24.1%N/A2.5 $1.80 3/31/20231,700,000 shares $3.13 million +40.5%N/A3.1 $1.84 3/15/20231,210,000 shares $2.53 million +7.1%N/A2.2 $2.09 2/28/20231,130,000 shares $2.19 million -10.3%N/A1.5 $1.94 2/15/20231,260,000 shares $2.42 million +43.6%N/A1.7 $1.92 1/31/2023877,400 shares $1.89 million +75.3%N/A1.3 $2.15 1/15/2023500,400 shares $1.05 million -24.3%N/A0.9 $2.10 12/30/2022661,000 shares $1.26 million +42.4%N/A1.2 $1.90 12/15/2022464,200 shares $858,770.00 -45.8%N/A1 $1.85 11/30/2022856,700 shares $2.26 million -19.2%N/A4.7 $2.64 11/15/20221,060,000 shares $2.12 million +16.9%N/A6.7 $2.00 10/31/2022906,900 shares $2.58 million -9.3%N/A5.8 $2.85 10/15/20221,000,000 shares $3.25 million -3.9%N/A6.4 $3.25 9/30/20221,040,000 shares $2.23 million -3.7%N/A7.7 $2.14 9/15/20221,080,000 shares $2.98 million -4.4%N/A8.4 $2.76 8/31/20221,130,000 shares $3.73 million -3.4%N/A8.1 $3.30 8/15/20221,170,000 shares $4.40 million -10.7%N/A8 $3.76 7/31/20221,310,000 shares $3.65 million -7.8%N/A7.8 $2.79 7/15/20221,420,000 shares $4.08 million -11.8%N/A8 $2.87 6/30/20221,610,000 shares $4.56 million -5.3%N/A7.7 $2.83 6/15/20221,700,000 shares $3.47 million -16.3%N/A7.8 $2.04 5/31/20222,030,000 shares $5.56 million -1.5%N/A8.7 $2.74 5/15/20222,060,000 shares $4.88 million -4.2%N/A7.4 $2.37 4/30/20222,150,000 shares $6.71 million -0.5%N/A7.1 $3.12 4/15/20222,160,000 shares $8.73 million -13.9%N/A6.2 $4.04 3/31/20222,510,000 shares $10.47 million -13.8%4.0%6.8 $4.17 3/15/20222,910,000 shares $11.38 million -5.2%4.6%6.7 $3.91 2/28/20223,070,000 shares $11.48 million -0.3%6.1%5.9 $3.74 2/15/20223,080,000 shares $14.01 million +2.3%6.1%5.8 $4.55 1/31/20223,010,000 shares $12.01 million +10.7%N/A2.4 $3.99 1/15/20222,720,000 shares $12.00 million -0.7%N/A2.2 $4.41 12/31/20212,740,000 shares $14.22 million +18.1%N/A2.3 $5.19 12/15/20212,320,000 shares $13.08 million +12.6%N/A2 $5.64 11/30/20212,060,000 shares $13.25 million -17.6%N/A1.9 $6.43 11/15/20212,500,000 shares $16.98 million +39.7%N/A2.3 $6.79 10/29/20211,790,000 shares $9.99 million +3.5%N/A1.6 $5.58 10/15/20211,730,000 shares $10.62 million -12.2%N/A2.1 $6.14 9/30/20211,970,000 shares $12.90 million +4.2%N/A2 $6.55 9/15/20211,890,000 shares $12.47 million -21.6%N/A1.6 $6.60 8/31/20212,410,000 shares $16.56 million -14.2%N/A1.5 $6.87 8/13/20212,810,000 shares $16.61 million +30.1%N/A1.6 $5.91Banks aren’t ready for this altcoin—are you? 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One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now. 7/30/20212,160,000 shares $11.49 million +10.2%N/A1 $5.32 7/15/20211,960,000 shares $11.52 million -2.0%N/A1.1 $5.88 6/30/20212,000,000 shares $13.28 million -11.9%N/A1.2 $6.64 6/15/20212,270,000 shares $17.32 million +1.8%N/A1.5 $7.63 5/28/20212,230,000 shares $14.78 million -3.9%N/A2 $6.63 5/14/20212,320,000 shares $14.04 million +57.8%N/A2.2 $6.05 4/30/20211,470,000 shares $8.38 million +14.8%N/A1.6 $5.70 4/15/20211,280,000 shares $7.17 million -66.7%N/A1.6 $5.60 3/31/20213,840,000 shares $21.08 million +3.8%N/A4.7 $5.49 3/15/20213,700,000 shares $24.79 million +5.4%N/A4.8 $6.70 2/26/20213,510,000 shares $22.96 million +105.3%N/A5.1 $6.54 2/12/20211,710,000 shares $12.21 million +130.0%N/A3 $7.14 1/29/2021743,600 shares $5.68 million +5.4%N/A3.7 $7.64 1/15/2021705,300 shares $6.30 million -0.1%N/A4 $8.93 12/31/2020705,900 shares $6.34 million -18.1%N/A4.6 $8.98 12/15/2020861,500 shares $7.32 million +8.2%N/A8.2 $8.50 11/30/2020796,000 shares $7.65 million +5.2%N/A9.7 $9.61 11/15/2020756,400 shares $8.30 million -2.3%N/A10.4 $10.97 10/30/2020774,200 shares $8.84 million +12.9%N/A9.6 $11.42 10/15/2020686,000 shares $8.39 million -5.9%N/A6.2 $12.23 9/30/2020729,300 shares $8.49 million +13.5%N/A4.9 $11.64 9/15/2020642,500 shares $8.87 million -15.9%N/A3.9 $13.81 8/31/2020763,900 shares $11.21 million +4.8%N/A3.7 $14.67 8/14/2020728,800 shares $11.66 million +12.1%N/A3.3 $16.00 7/31/2020650,200 shares $8.58 million +24.1%N/A3 $13.20 7/15/2020523,800 shares $7.90 million +0.3%N/A2.7 $15.08 6/30/2020522,200 shares $8.37 million -38.6%N/A3 $16.03 6/15/2020850,100 shares $10.98 million +24.2%N/A4.8 $12.92 5/29/2020684,700 shares $7.76 million -13.7%N/A4.6 $11.33 AUTL Short Interest - Frequently Asked Questions What is Autolus Therapeutics' current short interest? Short interest is the volume of Autolus Therapeutics shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 10,450,000 shares of AUTL short. Learn More on Autolus Therapeutics' current short interest. What is a good short interest ratio for Autolus Therapeutics? 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. AUTL shares currently have a short interest ratio of 6.0. Learn More on Autolus Therapeutics's short interest ratio. Which institutional investors are shorting Autolus Therapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Autolus Therapeutics: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Autolus Therapeutics' short interest increasing or decreasing? Autolus Therapeutics saw a decrease in short interest in April. As of April 30th, there was short interest totaling 10,450,000 shares, a decrease of 8.7% from the previous total of 11,450,000 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 Autolus Therapeutics' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Autolus Therapeutics: Vera Therapeutics, Inc. (12.17%), Dyne Therapeutics, Inc. (13.07%), Structure Therapeutics Inc. (16.78%), ANI Pharmaceuticals, Inc. (9.19%), ARS Pharmaceuticals, Inc. (29.82%), 89bio, Inc. (11.86%), Ocular Therapeutix, Inc. (8.15%), Amphastar Pharmaceuticals, Inc. (9.22%), Aurinia Pharmaceuticals Inc. (9.26%), Wave Life Sciences Ltd. (8.59%), 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 Autolus Therapeutics stock? Short selling AUTL is an investing strategy that aims to generate trading profit from Autolus Therapeutics as its price is falling. AUTL shares are trading up $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 Autolus Therapeutics? A short squeeze for Autolus Therapeutics 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 AUTL, which in turn drives the price of the stock up even further. How often is Autolus Therapeutics' 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 AUTL, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Vera Therapeutics Short Squeeze Dyne Therapeutics Short Squeeze Structure Therapeutics Short Squeeze ANI Pharmaceuticals Short Squeeze ARS Pharmaceuticals Short Squeeze 89bio Short Squeeze Ocular Therapeutix Short Squeeze Amphastar Pharmaceuticals Short Squeeze Aurinia Pharmaceuticals Short Squeeze Wave Life Sciences 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:AUTL) 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. 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