Atea Pharmaceuticals (AVIR) Short Interest Ratio & Short Volume $2.81 -0.09 (-3.10%) Closing price 05/21/2025 04:00 PM EasternExtended Trading$2.84 +0.03 (+1.07%) As of 05/21/2025 07:54 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Atea Pharmaceuticals Short Interest DataAtea Pharmaceuticals (AVIR) has a short interest of 3.05 million shares, representing 4.54% of the float (the number of shares available for trading by the public). This marks a 2.69% increase in short interest from the previous month. The short interest ratio (days to cover) is 8.7, indicating that it would take 8.7 days of the average trading volume of 307,855 shares to cover all short positions.Current Short Interest3,050,000 sharesPrevious Short Interest2,970,000 sharesChange Vs. Previous Month+2.69%Dollar Volume Sold Short$9.00 millionShort Interest Ratio8.7 Days to CoverLast Record DateApril 30, 2025Outstanding Shares85,579,000 sharesFloat Size67,230,000 sharesShort Percent of Float4.54%Today's Trading Volume318,850 sharesAverage Trading Volume307,855 sharesToday's Volume Vs. Average104% Short Selling Atea Pharmaceuticals? Sign up to receive the latest short interest report for Atea Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAVIR Short Interest Over TimeAVIR Days to Cover Over TimeAVIR Percentage of Float Shorted Over Time Atea Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20253,050,000 shares $9.00 million +2.7%4.5%8.7 $2.95 4/15/20252,970,000 shares $8.38 million -1.3%4.4%8.7 $2.82 3/31/20253,010,000 shares $9.00 million +3.4%4.5%8.9 $2.99 3/15/20252,910,000 shares $8.96 million +1.4%4.2%7.6 $3.08 2/28/20252,870,000 shares $8.70 million -2.7%4.1%6.7 $3.03 2/15/20252,950,000 shares $9.29 million No Change4.0%7.3 $3.15 1/31/20252,950,000 shares $9.03 million +3.5%4.0%7.4 $3.06 1/15/20252,850,000 shares $9.46 million +2.9%3.9%8 $3.32 12/31/20242,770,000 shares $9.28 million -12.9%3.7%9 $3.35 12/15/20243,180,000 shares $9.32 million +21.8%4.3%11.9 $2.93 Get the Latest News and Ratings for AVIR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atea Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 11/30/20242,610,000 shares $8.93 million -1.1%3.5%11.9 $3.42 11/15/20242,640,000 shares $8.50 million +1.9%3.6%13.9 $3.22 10/31/20242,590,000 shares $8.39 million -1.5%3.5%13.1 $3.24 10/15/20242,630,000 shares $9.34 million -5.4%3.6%12.9 $3.55 9/30/20242,780,000 shares $9.31 million +3.0%3.8%12.8 $3.35 9/15/20242,700,000 shares $10.45 million -4.6%3.7%11.4 $3.87 8/31/20242,830,000 shares $10.90 million +13.7%3.8%12.1 $3.85 8/15/20242,490,000 shares $9.31 million +4.6%3.4%10.2 $3.74 7/31/20242,380,000 shares $9.09 million +0.4%3.2%9.2 $3.82 7/15/20242,370,000 shares $8.39 million +5.8%3.2%9.1 $3.54 6/30/20242,240,000 shares $7.41 million +5.2%3.0%8.7 $3.31 6/15/20242,130,000 shares $7.69 million -2.3%2.9%8.1 $3.61 5/31/20242,180,000 shares $8.00 million +16.6%3.0%7.6 $3.67 5/15/20241,870,000 shares $6.94 million +3.9%2.5%6 $3.71 4/30/20241,800,000 shares $6.66 million +2.9%2.4%5.2 $3.70 4/15/20241,750,000 shares $6.58 million +4.8%2.4%4.3 $3.76 3/31/20241,670,000 shares $6.75 million -1.8%2.3%3.6 $4.04 3/15/20241,700,000 shares $6.82 million +3.0%2.3%3.6 $4.01 2/29/20241,650,000 shares $7.11 million +1.9%2.2%3.4 $4.31 2/15/20241,620,000 shares $6.82 million -57.4%2.2%3.4 $4.21 1/31/20243,800,000 shares $15.81 million +1.9%5.2%8.1 $4.16 1/15/20243,730,000 shares $13.28 million -1.1%5.1%8.3 $3.56 12/31/20233,770,000 shares $11.50 million +7.1%5.1%9.1 $3.05 12/15/20233,520,000 shares $10.38 million -1.1%4.8%8.6 $2.95 11/30/20233,560,000 shares $10.64 million -1.7%4.9%8.8 $2.99 11/15/20233,620,000 shares $10.68 million +31.2%4.9%9.2 $2.95 10/31/20232,760,000 shares $8.97 million +15.0%3.8%7.2 $3.25 10/15/20232,400,000 shares $7.27 million +34.1%3.3%6.7 $3.03 9/30/20231,790,000 shares $5.37 million -6.8%2.4%5.3 $3.00 9/15/20231,920,000 shares $6.11 million +8.5%2.6%5.5 $3.18The Secret Map of America, Declassified… (Ad)Locked inside a Maryland man’s private safe is a map. But not just any map, mind you… This map shows a “secret America” — an America first envisioned by President Harry Truman in 1946, and then classified by the government for decades. Click here to view the secret map now >> 8/31/20231,770,000 shares $5.95 million +4.7%2.4%5 $3.36 8/15/20231,690,000 shares $5.66 million -9.1%2.3%3.3 $3.35 7/31/20231,860,000 shares $6.38 million +1.6%2.5%2.8 $3.43 7/15/20231,830,000 shares $6.66 million +9.6%2.5%2.6 $3.64 6/30/20231,670,000 shares $6.25 million -8.2%2.3%2.3 $3.74 6/15/20231,820,000 shares $7.55 million -2.7%2.5%2.4 $4.15 5/31/20231,870,000 shares $7.46 million +9.4%2.6%2.3 $3.99 5/15/20231,710,000 shares $5.90 million -11.9%2.3%2.4 $3.45 4/30/20231,940,000 shares $6.34 million +2.1%2.7%3.5 $3.27 4/15/20231,900,000 shares $6.23 million +6.2%2.6%3.5 $3.28 3/31/20231,790,000 shares $6.00 million -5.8%2.5%3.4 $3.35 3/15/20231,900,000 shares $6.94 million +5.6%2.6%3.7 $3.65 2/28/20231,800,000 shares $6.37 million +20.0%2.5%4.2 $3.54 2/15/20231,500,000 shares $6.14 million +1.4%2.1%3.6 $4.09 1/31/20231,480,000 shares $6.85 million -10.8%2.0%3.2 $4.63 1/15/20231,660,000 shares $8.18 million -0.6%2.3%3.6 $4.93 12/30/20221,670,000 shares $8.03 million -14.8%2.3%3.6 $4.81 12/15/20221,960,000 shares $8.60 million +3.2%2.7%4.1 $4.39 11/30/20221,900,000 shares $8.91 million -3.1%2.6%3.8 $4.69 11/15/20221,960,000 shares $10.15 million -13.7%2.7%3.9 $5.18 10/31/20222,270,000 shares $13.62 million -1.3%3.1%4.7 $6.00 10/15/20222,300,000 shares $12.08 million +4.1%3.1%5.2 $5.25 9/30/20222,210,000 shares $12.57 million -3.9%3.0%5 $5.69 9/15/20222,300,000 shares $15.76 million -12.9%3.1%4.9 $6.85 8/31/20222,640,000 shares $19.80 million -4.0%3.6%5.3 $7.50 8/15/20222,750,000 shares $23.60 million +1.1%3.8%4.8 $8.58 7/31/20222,720,000 shares $22.30 million -6.5%3.7%4 $8.20 7/15/20222,910,000 shares $23.57 million +10.7%4.0%4.2 $8.10 6/30/20222,630,000 shares $18.67 million +30.2%3.6%3.7 $7.10 6/15/20222,020,000 shares $13.33 million +4.1%2.8%2.7 $6.60 5/31/20221,940,000 shares $15.29 million -18.8%2.7%2.5 $7.88 5/15/20222,390,000 shares $17.42 million +21.9%3.3%2.9 $7.29 4/30/20221,960,000 shares $11.51 million +10.7%2.7%2.2 $5.87 4/15/20221,770,000 shares $11.66 million -15.3%2.5%1.8 $6.59 3/31/20222,090,000 shares $15.09 million -27.2%2.9%2 $7.22 3/15/20222,870,000 shares $16.33 million +11.2%4.0%2.5 $5.69 2/28/20222,580,000 shares $16.36 million +2.8%3.6%2 $6.34 2/15/20222,510,000 shares $16.11 million -20.1%3.5%1.8 $6.42 1/31/20223,140,000 shares $22.42 million +13.0%5.1%1.8 $7.14 1/15/20222,780,000 shares $20.29 million +6.9%4.5%1.4 $7.30 12/31/20212,600,000 shares $23.24 million +6.6%4.2%0.6 $8.94 12/15/20212,440,000 shares $19.52 million +29.8%3.9%0.5 $8.00 11/30/20211,880,000 shares $15.21 million -69.8%3.0%0.4 $8.09 11/15/20216,230,000 shares $71.65 million -0.6%10.0%1.3 $11.50 10/29/20216,270,000 shares $72.98 million +17.2%10.5%1.4 $11.64 10/15/20215,350,000 shares $210.15 million -17.3%8.9%1.3 $39.28 9/30/20216,470,000 shares $226.84 million +26.4%10.8%3.7 $35.06 9/15/20215,120,000 shares $133.02 million +0.6%8.8%3.7 $25.98 8/31/20215,090,000 shares $151.27 million -12.8%8.9%3.7 $29.72 8/13/20215,840,000 shares $161.59 million +9.2%10.6%4.4 $27.67Here’s your answer (Ad)Porter Stansberry is stepping into the spotlight — and putting real skin in the game. 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Lance James breaks down the full FAQ on what this is (and isn’t) — including why they believe now i 7/30/20215,350,000 shares $133.96 million -24.3%9.7%4.1 $25.04 7/15/20217,070,000 shares $155.61 million -18.6%12.9%5.1 $22.01 6/30/20218,690,000 shares $186.66 million +72.1%15.8%6.5 $21.48 6/15/20215,050,000 shares $119.08 million No Change9.2%5 $23.58 5/28/20215,050,000 shares $103.12 million +0.6%9.2%6.4 $20.42 5/14/20215,020,000 shares $96.48 million +5.5%9.1%7.2 $19.22 4/30/20214,760,000 shares $125.57 million +12.0%8.4%8 $26.38 4/15/20214,250,000 shares $231.97 million +36.7%9.3%12.2 $54.58 3/31/20213,110,000 shares $174.88 million +38.8%6.8%9.9 $56.23 3/15/20212,240,000 shares $152.01 million +34.9%4.9%6.8 $67.86 2/26/20211,660,000 shares $134.94 million +1.2%3.6%5 $81.29 2/12/20211,640,000 shares $144.19 million -27.8%3.7%5.3 $87.92 1/29/20212,270,000 shares $134.25 million No Change4.8%5.8 $59.14 1/15/20212,270,000 shares $118.27 million No Change4.8%4.8 $52.10 AVIR Short Interest - Frequently Asked Questions What is Atea Pharmaceuticals' current short interest? Short interest is the volume of Atea Pharmaceuticals shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 3,050,000 shares of AVIR short. 4.54% of Atea Pharmaceuticals' shares are currently sold short. Learn More on Atea Pharmaceuticals' current short interest. What is a good short interest ratio for Atea Pharmaceuticals? 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. AVIR shares currently have a short interest ratio of 9.0. Learn More on Atea Pharmaceuticals's short interest ratio. Which institutional investors are shorting Atea Pharmaceuticals? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Atea Pharmaceuticals: 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 Atea Pharmaceuticals? 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. 4.54% of Atea Pharmaceuticals' floating shares are currently sold short. Is Atea Pharmaceuticals' short interest increasing or decreasing? Atea Pharmaceuticals saw a increase in short interest in April. As of April 30th, there was short interest totaling 3,050,000 shares, an increase of 2.7% from the previous total of 2,970,000 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 Atea Pharmaceuticals' float size? Atea Pharmaceuticals currently has issued a total of 85,579,000 shares. Some of Atea Pharmaceuticals' 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. Atea Pharmaceuticals currently has a public float of 67,230,000 shares. How does Atea Pharmaceuticals' short interest compare to its competitors? 4.54% of Atea Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Atea Pharmaceuticals: Phibro Animal Health Co. (4.52%), Mineralys Therapeutics, Inc. (16.91%), Collegium Pharmaceutical, Inc. (14.75%), Syndax Pharmaceuticals, Inc. (25.17%), Arcus Biosciences, Inc. (12.18%), Enliven Therapeutics, Inc. (21.79%), Avadel Pharmaceuticals plc (10.54%), Spyre Therapeutics, Inc. (24.50%), Intellia Therapeutics, Inc. (27.76%), Pharvaris (3.73%), 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 Atea Pharmaceuticals stock? Short selling AVIR is an investing strategy that aims to generate trading profit from Atea Pharmaceuticals as its price is falling. AVIR shares are trading down $0.09 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 Atea Pharmaceuticals? A short squeeze for Atea Pharmaceuticals 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 AVIR, which in turn drives the price of the stock up even further. How often is Atea Pharmaceuticals' 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 AVIR, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Phibro Animal Health Short Interest Mineralys Therapeutics Short Interest Collegium Pharmaceutical Short Interest Syndax Pharmaceuticals Short Interest Arcus Biosciences Short Interest Enliven Therapeutics Short Interest Avadel Pharmaceuticals Short Interest Spyre Therapeutics Short Interest Intellia Therapeutics Short Interest Pharvaris 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:AVIR) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. And it's one the Big Banks are alread...Premier Gold Co | SponsoredThe Prophet's Newest PredictionA storm is brewing in the markets: new tariffs, recession warnings, and panic in the headlines. 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