Avantor (AVTR) Short Interest Ratio & Short Volume $12.94 -0.53 (-3.94%) As of 10:46 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Avantor Short Interest DataAvantor (AVTR) has a short interest of 34.95 million shares. This marks a -5.39% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.3, indicating that it would take 3.3 days of the average trading volume of 7.81 million shares to cover all short positions.Current Short Interest34,950,000 sharesPrevious Short Interest36,940,000 sharesChange Vs. Previous Month-5.39%Dollar Volume Sold Short$455.05 millionShort Interest Ratio3.3 Days to CoverLast Record DateApril 30, 2025Outstanding Shares681,430,000 sharesPercentage of Shares Shorted5.13%Today's Trading Volume719,610 sharesAverage Trading Volume7,812,444 sharesToday's Volume Vs. Average9% Short Selling Avantor? Sign up to receive the latest short interest report for Avantor and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAVTR Short Interest Over TimeAVTR Days to Cover Over TimeAVTR Percentage of Float Shorted Over Time Avantor Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202534,950,000 shares $455.05 million -5.4%N/A3.3 $13.02 4/15/202536,940,000 shares $569.50 million +16.1%5.5%4.2 $15.42 3/31/202531,810,000 shares $516.44 million +0.6%4.7%4.2 $16.24 3/15/202531,630,000 shares $516.71 million +11.5%4.7%5 $16.34 2/28/202528,370,000 shares $473.92 million -13.2%4.2%4.7 $16.71 2/15/202532,680,000 shares $583.83 million +21.1%4.9%5.9 $17.87 1/31/202526,990,000 shares $600.66 million -6.1%N/A4.7 $22.26 1/15/202528,750,000 shares $627.33 million -2.8%N/A5 $21.82 12/31/202429,570,000 shares $623.04 million +20.6%N/A5.2 $21.07 12/15/202424,520,000 shares $547.53 million -9.0%N/A4.1 $22.33 Get the Latest News and Ratings for AVTR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Avantor and its competitors with MarketBeat's FREE daily newsletter. 11/30/202426,930,000 shares $567.15 million -15.6%N/A4.5 $21.06 11/15/202431,900,000 shares $661.93 million +38.1%N/A5.6 $20.75 10/31/202423,100,000 shares $516.75 million -30.2%N/A4.7 $22.37 10/15/202433,090,000 shares $823.28 million -7.9%N/A4.5 $24.88 9/30/202435,910,000 shares $928.99 million +2.0%N/A4.6 $25.87 9/15/202435,210,000 shares $946.44 million -4.0%N/A4.4 $26.88 8/31/202436,690,000 shares $948.07 million +0.8%N/A4.3 $25.84 8/15/202436,390,000 shares $929.04 million +9.2%N/A4.2 $25.53 7/31/202433,330,000 shares $891.58 million +55.2%N/A3.7 $26.75 7/15/202421,470,000 shares $447.01 million +11.8%N/A3.3 $20.82 6/30/202419,210,000 shares $407.25 million +8.7%N/A3.5 $21.20 6/15/202417,670,000 shares $383.09 million +24.1%N/A3.3 $21.68 5/31/202414,240,000 shares $343.04 million -23.8%N/A3 $24.09 5/15/202418,690,000 shares $471.17 million -25.3%N/A4.2 $25.21 4/30/202425,010,000 shares $605.99 million -9.4%N/A4.8 $24.23 4/15/202427,600,000 shares $682.00 million -5.8%N/A5.1 $24.71 3/31/202429,290,000 shares $748.95 million +6.6%N/A5 $25.57 3/15/202427,470,000 shares $688.67 million +8.1%N/A4.6 $25.07 2/29/202425,410,000 shares $625.85 million -12.9%N/A3.8 $24.63 2/15/202429,160,000 shares $701.30 million -1.3%N/A4.2 $24.05 1/31/202429,530,000 shares $679.19 million -8.7%N/A4.5 $23.00 1/15/202432,330,000 shares $711.58 million -10.0%N/A4.1 $22.01 12/31/202335,910,000 shares $819.83 million +6.2%N/A4.4 $22.83 12/15/202333,800,000 shares $777.57 million -6.7%N/A4.2 $23.01 11/30/202336,230,000 shares $767.35 million +14.4%N/A4.5 $21.18 11/15/202331,680,000 shares $611.11 million +9.1%N/A4.2 $19.29 10/31/202329,040,000 shares $506.02 million +71.1%N/A3.9 $17.43 10/15/202316,970,000 shares $356.20 million +12.8%N/A2.6 $20.99 9/30/202315,040,000 shares $317.04 million -11.2%N/A2.6 $21.08 9/15/202316,930,000 shares $370.17 million +27.5%N/A3.1 $21.87Monday’s Market Drop was Brutal… Then it snapped Back (Ad)Markets are constantly shifting, and one wrong move can turn an opportunity into a costly mistake… Just like what we saw on Monday in the markets when the NASDAQ opened nearly 400 points down from where it closed last Friday’s action… For it to just rip back up throughout the day erasing the negative move in an instant. 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It’s trading made mobile, simple, and fast.Access the Smart Algo Report Now 7/30/202117,920,000 shares $673.43 million No Change3.2%4.8 $37.58 7/15/202117,920,000 shares $650.68 million -9.8%3.2%4.6 $36.31 6/30/202119,860,000 shares $705.23 million +26.0%3.6%4.9 $35.51 6/15/202115,760,000 shares $523.70 million +4.7%2.8%4.1 $33.23 5/28/202115,050,000 shares $483.86 million -12.4%2.7%3.9 $32.15 5/14/202117,180,000 shares $522.96 million -4.4%3.1%4.2 $30.44 4/30/202117,970,000 shares $587.26 million -4.3%3.2%4.3 $32.68 4/15/202118,780,000 shares $605.66 million +4.7%3.4%4.4 $32.25 3/31/202117,930,000 shares $510.11 million +5.4%3.2%3.9 $28.45 3/15/202117,010,000 shares $482.06 million +4.8%3.1%3.7 $28.34 2/26/202116,230,000 shares $448.60 million +23.2%2.9%3.5 $27.64 2/12/202113,170,000 shares $398.26 million -3.0%2.4%2.9 $30.24 1/29/202113,580,000 shares $401.15 million +1.0%2.5%2.6 $29.54 1/15/202113,450,000 shares $386.15 million -17.2%2.5%2.5 $28.71 12/31/202016,240,000 shares $444.00 million -5.9%3.0%3 $27.34 12/15/202017,260,000 shares $462.57 million -6.5%3.1%3.2 $26.80 11/30/202018,460,000 shares $486.42 million -3.4%3.4%3.3 $26.35 11/15/202019,100,000 shares $510.73 million +3.9%3.5%3.4 $26.74 10/30/202018,380,000 shares $422.74 million +21.1%3.5%3.1 $23.00 10/15/202015,180,000 shares $360.07 million +11.5%2.9%2.9 $23.72 9/30/202013,610,000 shares $306.09 million -17.2%2.6%2.7 $22.49 9/15/202016,430,000 shares $357.52 million +10.9%3.2%3.1 $21.76 8/31/202014,810,000 shares $334.26 million +0.4%2.9%3.2 $22.57 8/14/202014,750,000 shares $305.03 million -3.0%2.8%2.9 $20.68 7/31/202015,210,000 shares $335.84 million +11.0%2.9%3.2 $22.08 7/15/202013,700,000 shares $248.52 million +7.0%2.6%3.1 $18.14 6/30/202012,810,000 shares $211.37 million +24.1%2.5%3.2 $16.50 6/15/202010,320,000 shares $177.81 million +25.1%2.0%2.8 $17.23 5/29/20208,250,000 shares $156.50 million -12.9%1.6%2.1 $18.97 AVTR Short Interest - Frequently Asked Questions What is Avantor's current short interest? Short interest is the volume of Avantor shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 34,950,000 shares of AVTR short. Learn More on Avantor's current short interest. What is a good short interest ratio for Avantor? 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. AVTR shares currently have a short interest ratio of 3.0. Learn More on Avantor's short interest ratio. Which institutional investors are shorting Avantor? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Avantor: Jane Street Group LLC, Goldman Sachs Group Inc., Cubist Systematic Strategies LLC, Caption Management LLC, PEAK6 LLC, Walleye Trading LLC, Capital Fund Management S.A., IMC Chicago LLC, and Jefferies Financial Group Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Avantor's short interest increasing or decreasing? Avantor saw a decline in short interest in the month of April. As of April 30th, there was short interest totaling 34,950,000 shares, a decline of 5.4% from the previous total of 36,940,000 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 Avantor's short interest compare to its competitors? Here is how the short interest of companies in the industry of "measuring and control equipment" compare to Avantor: Keysight Technologies, Inc. (1.41%), Fortive Co. (2.06%), Veralto Co. (1.44%), Teradyne, Inc. (4.56%), Revvity, Inc. (4.35%), Nova Ltd. (5.48%), Vontier Co. (1.94%), Sensata Technologies Holding plc (2.62%), Mirion Technologies, Inc. (3.30%), Camtek Ltd. (12.83%), 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 Avantor stock? Short selling AVTR is an investing strategy that aims to generate trading profit from Avantor as its price is falling. AVTR shares are trading down $0.53 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 Avantor? A short squeeze for Avantor 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 AVTR, which in turn drives the price of the stock up even further. How often is Avantor's 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 AVTR, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies KEYS Short Squeeze FTV Short Squeeze VLTO Short Squeeze TER Short Squeeze RVTY Short Squeeze NVMI Short Squeeze VNT Short Squeeze ST Short Squeeze MIR Short Squeeze CAMT Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:AVTR) 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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