Ionis Pharmaceuticals (IONS) Short Interest Ratio & Short Volume $38.76 +0.37 (+0.96%) (As of 11/1/2024 ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Ionis Pharmaceuticals Short Interest DataIonis Pharmaceuticals (IONS) has a short interest of 9.87 million shares, representing 6.78% of the float (the number of shares available for trading by the public). This marks a -6.27% decrease in short interest from the previous month. The short interest ratio (days to cover) is 6.3, indicating that it would take 6.3 days of the average trading volume of 1.32 million shares to cover all short positions.Current Short Interest9,870,000 sharesPrevious Short Interest10,530,000 sharesChange Vs. Previous Month-6.27%Dollar Volume Sold Short$373.48 millionShort Interest Ratio6.3 Days to CoverLast Record DateOctober 15, 2024Outstanding Shares146,210,000 sharesFloat Size145,550,000 sharesShort Percent of Float6.78%Today's Trading Volume739,908 sharesAverage Trading Volume1,319,971 sharesToday's Volume Vs. Average56% Short Selling Ionis Pharmaceuticals? Sign up to receive the latest short interest report for Ionis 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 ChartIONS Short Interest Over TimeIONS Days to Cover Over TimeIONS Percentage of Float Shorted Over Time Ad Chaikin AnalyticsSell NVDA Now?Guess who's selling NVDA next The most successful hedge fund in history quietly sold 500,000 shares. Here's what that means for your money. Billionaire Wall Street investors are quietly offloading millions of shares. What do they know that you don't? 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Ionis 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 10/15/20249,870,000 shares $373.48 million -6.3%6.8%6.3 $37.84 9/30/202410,530,000 shares $421.83 million -0.8%7.2%6.6 $40.06 9/15/202410,610,000 shares $447.64 million +4.4%7.3%6.4 $42.19 8/31/202410,160,000 shares $484.43 million +2.6%7.6%6.8 $47.68 8/15/20249,900,000 shares $461.98 million +4.7%7.4%8 $46.67 7/31/20249,460,000 shares $467.89 million +1.0%7.0%7 $49.46 Get the Latest News and Ratings for IONS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ionis Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 7/15/20249,370,000 shares $445.73 million -1.6%7.0%7.2 $47.57 6/30/20249,520,000 shares $453.72 million +10.1%7.1%7.8 $47.66 6/15/20248,650,000 shares $351.62 million +0.6%6.5%7.5 $40.65 5/31/20248,600,000 shares $323.10 million -0.4%6.4%8.3 $37.57 5/15/20248,630,000 shares $338.38 million -1.4%6.4%7.9 $39.21 4/30/20248,750,000 shares $361.03 million -8.2%6.5%8.1 $41.26 4/15/20249,530,000 shares $395.97 million +0.1%7.1%8.9 $41.55 3/31/20249,520,000 shares $412.69 million -1.6%7.1%8.2 $43.35 3/15/20249,670,000 shares $411.46 million +6.2%7.2%8.1 $42.55 2/29/20249,110,000 shares $411.86 million +0.6%6.8%7.4 $45.21 2/15/20249,060,000 shares $410.24 million +7.2%6.8%7.4 $45.28 1/31/20248,450,000 shares $434.25 million -1.1%6.0%7.5 $51.39 1/15/20248,540,000 shares $457.23 million +3.6%6.1%7.4 $53.54 12/31/20238,240,000 shares $416.86 million -3.7%5.9%7.5 $50.59 12/15/20238,560,000 shares $425.43 million -11.8%6.1%7.3 $49.70 11/30/20239,700,000 shares $479.86 million -0.4%6.9%8.7 $49.47 11/15/20239,740,000 shares $484.76 million +0.4%7.0%9.4 $49.77 10/31/20239,700,000 shares $429.42 million +6.2%6.9%9.6 $44.27 10/15/20239,130,000 shares $438.06 million -1.8%6.5%9 $47.98 9/30/20239,300,000 shares $421.85 million -0.9%6.6%9.2 $45.36 9/15/20239,380,000 shares $402.50 million +1.0%6.7%10.1 $42.91 8/31/20239,290,000 shares $374.11 million -3.7%6.6%9.7 $40.27 8/15/20239,650,000 shares $386 million +4.8%6.9%7.9 $40.00 7/31/20239,210,000 shares $381.57 million +4.0%6.6%7.3 $41.43 7/15/20238,860,000 shares $376.37 million +2.8%6.4%7 $42.48 6/30/20238,620,000 shares $353.68 million -0.8%6.2%7.2 $41.03 6/15/20238,690,000 shares $362.29 million +33.3%6.2%7.2 $41.69 5/31/20236,520,000 shares $266.67 million -8.3%4.7%5.5 $40.90 5/15/20237,110,000 shares $257.67 million No Change5.1%7.3 $36.24 10/31/20226,860,000 shares $303.21 million -2.0%4.9%6.9 $44.20 10/15/20227,000,000 shares $324.52 million -3.5%5.0%6.9 $46.36 9/30/20227,250,000 shares $320.67 million +6.6%5.2%7.4 $44.23 9/15/20226,800,000 shares $322.93 million +9.2%4.9%7.1 $47.49 8/31/20226,230,000 shares $264.90 million -7.7%4.5%6.8 $42.52625,000% Gain (Ad)Imagine swapping your daily coffee expense for a future free of financial worries. 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Short interest is the volume of Ionis Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of October 15th, traders have sold 9,870,000 shares of IONS short. 6.78% of Ionis Pharmaceuticals' shares are currently sold short. Learn More on Ionis Pharmaceuticals' current short interest. What is a good short interest ratio for Ionis 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. IONS shares currently have a short interest ratio of 6.0. Learn More on Ionis Pharmaceuticals's short interest ratio. Which institutional investors are shorting Ionis Pharmaceuticals? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Ionis Pharmaceuticals: Susquehanna International Group LLP, and Torno Capital LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Ionis 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. 6.78% of Ionis Pharmaceuticals' floating shares are currently sold short. Is Ionis Pharmaceuticals' short interest increasing or decreasing? Ionis Pharmaceuticals saw a decrease in short interest during the month of October. As of October 15th, there was short interest totaling 9,870,000 shares, a decrease of 6.3% from the previous total of 10,530,000 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 Ionis Pharmaceuticals' float size? Ionis Pharmaceuticals currently has issued a total of 146,210,000 shares. Some of Ionis 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. Ionis Pharmaceuticals currently has a public float of 145,550,000 shares. How does Ionis Pharmaceuticals' short interest compare to its competitors? 6.78% of Ionis Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies compare to Ionis Pharmaceuticals: Biohaven Ltd. (9.87%), Ultragenyx Pharmaceutical Inc. (3.43%), Jazz Pharmaceuticals plc (5.85%), Perrigo Company plc (4.01%), Bausch Health Companies Inc. (3.71%), Arrowhead Pharmaceuticals, Inc. (7.50%), ACADIA Pharmaceuticals Inc. (4.93%), United Therapeutics Co. (5.01%), BioMarin Pharmaceutical Inc. (2.94%), Exact Sciences Co. (8.41%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.14 billion), AppLovin Co. ($3.15 billion), Paychex, Inc. ($2.69 billion), Nu Holdings Ltd. ($2.48 billion), Cencora, Inc. ($2.24 billion), International Paper ($2.04 billion), Tractor Supply ($1.96 billion), Coinbase Global, Inc. ($1.93 billion), Moderna, Inc. ($1.91 billion), and SoFi Technologies, Inc. ($1.84 billion). View all of the most shorted stocks. What does it mean to sell short Ionis Pharmaceuticals stock? Short selling IONS is an investing strategy that aims to generate trading profit from Ionis Pharmaceuticals as its price is falling. IONS shares are trading up $0.37 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 Ionis Pharmaceuticals? A short squeeze for Ionis 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 IONS, which in turn drives the price of the stock up even further. How often is Ionis 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 IONS, twice per month. The most recent reporting period available is October, 15 2024. 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