Atossa Therapeutics (ATOS) Short Interest Ratio & Short Volume $0.85 -0.05 (-5.56%) As of 03:36 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Atossa Therapeutics Short Interest DataAtossa Therapeutics (ATOS) has a short interest of 7.63 million shares, representing 6.56% of the float (the number of shares available for trading by the public). This marks a -5.80% decrease in short interest from the previous month. The short interest ratio (days to cover) is 12.0, indicating that it would take 12.0 days of the average trading volume of 823,887 shares to cover all short positions.Current Short Interest7,630,000 sharesPrevious Short Interest8,100,000 sharesChange Vs. Previous Month-5.80%Dollar Volume Sold Short$4.76 millionShort Interest Ratio12.0 Days to CoverLast Record DateApril 15, 2025Outstanding Shares129,170,000 sharesShort Percent of Float6.56%Today's Trading Volume779,897 sharesAverage Trading Volume823,887 sharesToday's Volume Vs. Average95% Short Selling Atossa Therapeutics? Sign up to receive the latest short interest report for Atossa 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 ChartATOS Short Interest Over TimeATOS Days to Cover Over TimeATOS Percentage of Float Shorted Over Time Atossa 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 4/15/20257,630,000 shares $4.76 million -5.8%6.6%12 $0.62 3/31/20258,100,000 shares $5.45 million -5.6%7.0%12 $0.67 3/15/20258,580,000 shares $6.18 million -3.2%7.4%12.3 $0.72 2/28/20258,860,000 shares $6.78 million -1.5%7.6%11.5 $0.77 2/15/20258,990,000 shares $7.46 million -2.8%7.7%10.9 $0.83 1/31/20259,250,000 shares $7.79 million +5.8%N/A10.6 $0.84 1/15/20258,740,000 shares $7.60 million +2.0%N/A10.6 $0.87 12/31/20248,570,000 shares $8.09 million +4.5%N/A11.3 $0.94 12/15/20248,200,000 shares $9.18 million -29.3%N/A11.6 $1.12 11/30/202411,600,000 shares $15.08 million -6.8%N/A18.5 $1.30 Get the Latest News and Ratings for ATOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atossa Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 11/15/202412,450,000 shares $15.94 million -2.5%N/A20.5 $1.28 10/31/202412,770,000 shares $17.62 million -2.2%N/A24.4 $1.38 10/15/202413,050,000 shares $18.66 million +0.9%N/A24.1 $1.43 9/30/202412,930,000 shares $19.65 million -1.9%N/A20 $1.52 9/15/202413,180,000 shares $20.03 million +2.2%N/A13.2 $1.52 8/31/202412,900,000 shares $17.67 million +0.3%N/A12.8 $1.37 8/15/202412,860,000 shares $16.46 million +1.1%N/A12 $1.28 7/31/202412,720,000 shares $17.17 million +3.1%N/A10.4 $1.35 7/15/202412,340,000 shares $17.28 million +20.0%N/A9.3 $1.40 6/30/202410,280,000 shares $12.23 million -5.6%N/A6.8 $1.19 6/15/202410,890,000 shares $13.07 million -2.9%N/A6.4 $1.20 5/31/202411,220,000 shares $14.59 million -2.3%N/A5.9 $1.30 5/15/202411,480,000 shares $18.48 million +0.4%N/A6 $1.61 4/30/202411,440,000 shares $17.27 million -7.4%N/A6.4 $1.51 4/15/202412,350,000 shares $21.12 million +17.0%N/A7.6 $1.71 3/31/202410,560,000 shares $19.01 million +24.5%N/A7.7 $1.80 3/15/20248,480,000 shares $10.94 million +18.6%N/A9 $1.29 2/29/20247,150,000 shares $6.99 million +1.6%N/A13.6 $0.98 2/15/20247,040,000 shares $7.11 million +2.9%N/A16.8 $1.01 1/31/20246,840,000 shares $5.84 million -2.2%N/A17.4 $0.85 1/15/20246,990,000 shares $6.36 million +9.9%N/A18.4 $0.91 12/31/20236,360,000 shares $5.60 million +1.0%N/A16.7 $0.88 12/15/20236,300,000 shares $4.67 million +1.0%N/A19.3 $0.74 11/30/20236,240,000 shares $4.64 million -2.0%N/A19.3 $0.74 11/15/20236,370,000 shares $4.17 million -4.2%N/A17.4 $0.65 10/31/20236,650,000 shares $4.46 million -5.7%N/A16.4 $0.67 10/15/20237,050,000 shares $4.65 million -2.8%N/A16.3 $0.66 9/30/20237,250,000 shares $5.34 million -8.8%N/A13.1 $0.74 9/15/20237,950,000 shares $6.28 million -3.1%N/A9.7 $0.79 8/31/20238,200,000 shares $6.48 million -1.8%N/A9.6 $0.79Musk's warning signal: Prepare before the cascade begins (Ad)When Elon Musk triggered his AI layoff plan, most analysts missed what it really meant. Louis Navellier didn’t. With 40+ years of market modeling, he says Musk’s move wasn’t about efficiency — it was a signal. And what’s coming next could divide the market into winners and losers faster than anyone expects. Watch this urgent video briefing now.Watch the Musk market warning before the dominoes fall 8/15/20238,350,000 shares $7.36 million -1.7%N/A8.6 $0.88 7/31/20238,490,000 shares $9.34 million -2.6%N/A9.1 $1.10 7/15/20238,720,000 shares $10.81 million +12.5%N/A9.5 $1.24 6/30/20237,750,000 shares $9.77 million +6.9%N/A9.8 $1.26 6/15/20237,250,000 shares $6.52 million -3.6%N/A14.4 $0.90 5/31/20237,520,000 shares $6.99 million -3.2%N/A16.1 $0.93 5/15/20237,770,000 shares $5.50 million -3.7%N/A22.4 $0.71 4/30/20238,070,000 shares $5.16 million -3.1%N/A24.9 $0.64 4/15/20238,330,000 shares $6.12 million -1.3%N/A24.4 $0.74 3/31/20238,440,000 shares $6.12 million -1.9%N/A19.4 $0.72 3/15/20238,600,000 shares $5.59 million +0.6%N/A17.1 $0.65 2/28/20238,550,000 shares $6.33 million -2.2%N/A15.5 $0.74 2/15/20238,740,000 shares $6.69 million -0.6%N/A15.9 $0.77 1/31/20238,790,000 shares $7.04 million -3.2%N/A15.6 $0.80 1/15/20239,080,000 shares $7.75 million -1.7%N/A15.5 $0.85 12/30/20229,240,000 shares $4.88 million -3.7%N/A18.1 $0.53 12/15/20229,590,000 shares $5.61 million -4.3%N/A21.2 $0.59 11/30/202210,020,000 shares $7.52 million -4.1%N/A22.4 $0.75 11/15/202210,450,000 shares $8.58 million -0.2%N/A23.7 $0.82 10/31/202210,470,000 shares $10.32 million -1.2%N/A19.5 $0.99 10/15/202210,600,000 shares $8.59 million -5.8%N/A19.2 $0.81 9/30/202211,250,000 shares $9.37 million -1.6%N/A18.9 $0.83 9/15/202211,430,000 shares $10.53 million -2.8%N/A11.8 $0.92 8/31/202211,760,000 shares $10.83 million -1.3%N/A10.1 $0.92 8/15/202211,910,000 shares $13.58 million -3.7%N/A9 $1.14 7/31/202212,370,000 shares $11.64 million -1.9%N/A8.9 $0.94 7/15/202212,610,000 shares $12.99 million -3.7%N/A7.9 $1.03 6/30/202213,100,000 shares $14.28 million -18.3%N/A7.5 $1.09 6/15/202216,040,000 shares $16.68 million -1.3%N/A8.7 $1.04 5/31/202216,250,000 shares $15.80 million -5.2%N/A9.4 $0.97 5/15/202217,140,000 shares $16.90 million -11.4%N/A9.4 $0.99 4/30/202219,350,000 shares $19.54 million +8.9%N/A9.6 $1.01 4/15/202217,770,000 shares $19.72 million +1.7%N/A8.7 $1.11 3/31/202217,480,000 shares $21.85 million -2.7%N/A8.4 $1.25 3/15/202217,960,000 shares $21.19 million +7.4%N/A7.5 $1.18 2/28/202216,720,000 shares $20.40 million -1.1%N/A6.6 $1.22 2/15/202216,910,000 shares $23.34 million +2.3%N/A6.4 $1.38 1/31/202216,530,000 shares $22.65 million -3.7%14.1%5.7 $1.37 1/15/202217,160,000 shares $25.05 million -0.8%N/A5.7 $1.46 12/31/202117,290,000 shares $27.66 million -3.8%N/A5.3 $1.60 12/15/202117,980,000 shares $35.42 million No ChangeN/A5.3 $1.97 11/30/202117,980,000 shares $40.81 million -3.1%N/A4.6 $2.27 11/15/202118,550,000 shares $47.67 million -3.3%N/A4 $2.57 10/29/202119,190,000 shares $49.32 million -8.5%N/A3.9 $2.57 10/15/202120,970,000 shares $59.97 million -5.9%N/A3.3 $2.86 9/30/202122,280,000 shares $72.63 million -5.9%N/A2.4 $3.26 9/15/202123,670,000 shares $78.82 million -3.8%N/A1.7 $3.33 8/31/202124,600,000 shares $93.48 million +3.9%N/A1.5 $3.80 8/13/202123,670,000 shares $76.22 million -24.3%N/A1.2 $3.22 7/30/202131,280,000 shares $93.53 million +21.6%N/A1.5 $2.99Musk's warning signal: Prepare before the cascade begins (Ad)When Elon Musk triggered his AI layoff plan, most analysts missed what it really meant. Louis Navellier didn’t. With 40+ years of market modeling, he says Musk’s move wasn’t about efficiency — it was a signal. And what’s coming next could divide the market into winners and losers faster than anyone expects. Watch this urgent video briefing now.Watch the Musk market warning before the dominoes fall 7/15/202125,730,000 shares $144.60 million +25.3%21.3%1.2 $5.62 6/30/202120,530,000 shares $129.75 million +24.3%17.0%1.1 $6.32 6/15/202116,520,000 shares $76.32 million +20.0%13.7%1.1 $4.62 5/28/202113,770,000 shares $44.34 million +2.9%11.4%1 $3.22 5/14/202113,380,000 shares $31.58 million +0.7%N/A1.2 $2.36 4/30/202113,290,000 shares $30.83 million +26.7%N/A1.1 $2.32 4/15/202110,490,000 shares $19.51 million +4.5%N/A0.5 $1.86 3/31/202110,040,000 shares $20.58 million +52.4%N/A0.4 $2.05 3/15/20216,590,000 shares $19.18 million -6.7%N/A0.3 $2.91 2/26/20217,060,000 shares $20.54 million +22.6%N/A0.3 $2.91 2/12/20215,760,000 shares $18.37 million -37.4%N/A0.3 $3.19 1/29/20219,200,000 shares $19.14 million +9.0%N/A0.5 $2.08 1/15/20218,440,000 shares $10.55 million +1,172.4%N/A0.7 $1.25 12/31/2020663,300 shares $583,637.67 -76.3%N/A0.1 $0.88 12/15/20202,800,000 shares $2.53 million +529.6%N/A1.2 $0.90 11/30/2020444,700 shares $773,778.00 +53.1%N/A0.6 $1.74 11/15/2020290,400 shares $455,928.00 +45.1%N/A1.2 $1.57 10/30/2020200,100 shares $310,155.00 +15.9%N/A0.7 $1.55 10/15/2020172,700 shares $376,486.00 -15.2%N/A0.4 $2.18 9/30/2020203,600 shares $492,712.00 +53.7%N/A0.3 $2.42 9/15/2020132,500 shares $308,725.00 -35.0%N/A0.2 $2.33 8/31/2020203,700 shares $519,435.00 -20.3%N/A0.3 $2.55 8/14/2020255,500 shares $947,905.00 +43.4%N/A0.3 $3.71 7/31/2020178,200 shares $673,596.00 +5.4%N/A0.2 $3.78 7/15/2020169,100 shares $669,636.00 -12.8%N/A0.2 $3.96 6/30/2020193,800 shares $736,440.00 -17.6%N/A0.2 $3.80 6/15/2020235,300 shares $724,724.00 -23.1%N/A0.2 $3.08 5/29/2020306,000 shares $728,280.00 +46.9%N/A0.4 $2.38 5/15/2020208,300 shares $354,110.00 -18.7%N/A0.3 $1.70 ATOS Short Interest - Frequently Asked Questions What is Atossa Therapeutics' current short interest? Short interest is the volume of Atossa Therapeutics shares that have been sold short but have not yet been closed out or covered. As of April 15th, traders have sold 7,630,000 shares of ATOS short. 6.56% of Atossa Therapeutics' shares are currently sold short. Learn More on Atossa Therapeutics' current short interest. What is a good short interest ratio for Atossa 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. ATOS shares currently have a short interest ratio of 12.0. Learn More on Atossa Therapeutics's short interest ratio. Which institutional investors are shorting Atossa Therapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Atossa Therapeutics: Group One Trading LLC, Citadel Advisors LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Atossa Therapeutics? 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. 6.56% of Atossa Therapeutics' floating shares are currently sold short. Is Atossa Therapeutics' short interest increasing or decreasing? Atossa Therapeutics saw a drop in short interest in the month of April. As of April 15th, there was short interest totaling 7,630,000 shares, a drop of 5.8% from the previous total of 8,100,000 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 Atossa Therapeutics' short interest compare to its competitors? 6.56% of Atossa Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Atossa Therapeutics: Kamada Ltd. (0.07%), Revance Therapeutics, Inc. (4.32%), Tectonic Therapeutic (14.30%), Autolus Therapeutics plc (5.79%), Taysha Gene Therapies, Inc. (11.61%), ORIC Pharmaceuticals, Inc. (19.77%), COMPASS Pathways plc (7.39%), Alpha Teknova, Inc. (26.65%), Heron Therapeutics, Inc. (23.00%), Arcturus Therapeutics Holdings Inc. (20.80%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short Atossa Therapeutics stock? Short selling ATOS is an investing strategy that aims to generate trading profit from Atossa Therapeutics as its price is falling. ATOS shares are trading down $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 Atossa Therapeutics? A short squeeze for Atossa Therapeutics 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 ATOS, which in turn drives the price of the stock up even further. How often is Atossa 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 ATOS, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies Kamada Short Interest Revance Therapeutics Short Interest Tectonic Therapeutic Short Interest Autolus Therapeutics Short Interest Taysha Gene Therapies Short Interest ORIC Pharmaceuticals Short Interest COMPASS Pathways Short Interest Alpha Teknova Short Interest Heron Therapeutics Short Interest Arcturus Therapeutics 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:ATOS) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredBlackrock’s Sending THIS Crypto Higher on PurposeWhile everyone's distracted by Bitcoin's moves, a stealth revolution is underway. 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