Astellas Pharma (ALPMY) Short Interest Ratio & Short Volume $11.06 +0.10 (+0.91%) As of 02:58 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartEarningsHeadlinesInsider TradesSEC FilingsShort InterestBuy This Stock Astellas Pharma Short Interest DataAstellas Pharma (ALPMY) has a short interest of 187,000 shares. This marks a -46.63% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.7, indicating that it would take 0.7 days of the average trading volume of 186,581 shares to cover all short positions.Current Short Interest187,000 sharesPrevious Short Interest350,400 sharesChange Vs. Previous Month-46.63%Dollar Volume Sold Short$1.93 millionShort Interest Ratio0.7 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares1,809,660,000 sharesPercentage of Shares Shorted0.01%Today's Trading Volume41,409 sharesAverage Trading Volume186,581 sharesToday's Volume Vs. Average22% Short Selling Astellas Pharma? 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartALPMY Short Interest Over TimeALPMY Days to Cover Over TimeALPMY Percentage of Float Shorted Over Time Astellas Pharma Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025187,000 shares $1.93 million -46.6%N/A0.7 $10.34 7/15/2025350,400 shares $3.38 million +1,252.9%N/A0.7 $9.66 6/30/202525,900 shares $252.53 thousand -44.5%N/A0.1 $9.75 6/15/202546,700 shares $449.72 thousand -25.8%N/A0.2 $9.63 5/31/202562,900 shares $616.11 thousand +555.2%0.0%0.3 $9.80 5/15/20259,600 shares $87.84 thousand -62.9%0.0%0 $9.15 4/30/202525,900 shares $256.67 thousand +2,777.8%N/A0.1 $9.91 4/15/2025900 shares $8.35 thousand -98.5%0.0%0 $9.28 3/31/202560,400 shares $582.71 thousand +144.5%0.0%0.4 $9.65 3/15/202524,700 shares $244.28 thousand -56.7%0.0%0.1 $9.89 Get the Latest News and Ratings for ALPMY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Astellas Pharma and its competitors with MarketBeat's FREE daily newsletter. 2/28/202557,000 shares $553.47 thousand +20.8%0.0%0.3 $9.71 2/15/202547,200 shares $461.14 thousand -49.0%0.0%0.1 $9.77 1/31/202592,500 shares $895.40 thousand +132.4%N/A0.2 $9.68 1/15/202539,800 shares $385.86 thousand +26.4%N/A0.1 $9.70 12/31/202431,500 shares $304.29 thousand -58.7%N/A0 $9.66 12/15/202476,200 shares $768.10 thousand +150.7%N/A0.1 $10.08 11/30/202430,400 shares $315.55 thousand -69.8%N/A0.1 $10.38 11/15/2024100,500 shares $1.08 million +1,004.4%N/A0.3 $10.70 10/31/20249,100 shares $106.29 thousand -79.8%N/A0.1 $11.68 10/15/202445,100 shares $517.30 thousand +16.2%N/A0.2 $11.47 9/30/202438,800 shares $444.26 thousand +269.5%N/A0.3 $11.45 9/15/202410,500 shares $126.11 thousand -75.4%N/A0.1 $12.01 8/31/202442,600 shares $528.67 thousand +38.8%N/A0.3 $12.41 8/15/202430,700 shares $351.21 thousand -89.7%N/A0.1 $11.44 7/31/2024298,700 shares $3.47 million -11.9%N/A0.6 $11.61 7/15/2024338,900 shares $3.53 million +48.8%N/A1 $10.42 6/30/2024227,800 shares $2.25 million -10.5%N/A0.4 $9.86 6/15/2024254,500 shares $2.42 million +83.5%N/A0.3 $9.51 5/31/2024138,700 shares $1.36 million +87.2%N/A0.2 $9.81 5/15/202474,100 shares $726.18 thousand -11.7%N/A0.1 $9.80 4/30/202483,900 shares $801.25 thousand +20.2%N/A0.1 $9.55 4/15/202469,800 shares $647.15 thousand -59.4%N/A0.1 $9.27 3/31/2024171,800 shares $1.85 million +53.1%N/A0.3 $10.75 3/15/2024112,200 shares $1.21 million +51.6%N/A0.2 $10.83 2/29/202474,000 shares $808.82 thousand +9.1%N/A0.2 $10.93 2/15/202467,800 shares $749.19 thousand -19.7%N/A0.1 $11.05 1/15/202468,200 shares $823.86 thousand -57.1%N/A0.2 $12.08 12/31/2023159,100 shares $1.89 million +305.9%N/A0.3 $11.90 12/15/202339,200 shares $445.31 thousand -14.6%N/A0 $11.36 11/30/202345,900 shares $558.14 thousand -7.8%N/A0.1 $12.16Tax Drain Deadline: Protect Your Wealth Before September 15th (Ad)On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed professionals, retirees, and high-net-worth savers. But the wealthy aren’t just writing checks. They’re moving fast to protect capital and purchasing power using legal, IRS-compliant strategies. American Alternative Assets just released the Mar-A-Lago Accord, a free guide revealing how to reduce Q3 tax exposure and reposition wealth before it’s drained.Click here to download the guide and protect your assets before Sept 15th. 11/15/202349,800 shares $579.92 thousand +3.8%N/A0.1 $11.65 10/31/202348,000 shares $609.12 thousand +1,197.3%N/A0.1 $12.69 10/15/20233,700 shares $48.25 thousand -27.5%N/A0 $13.04 9/30/20235,100 shares $70.64 thousand -54.1%N/A0 $13.85 9/15/202311,100 shares $165.50 thousand -74.7%N/A0 $14.91 8/31/202343,900 shares $664.65 thousand -43.9%N/A0.2 $15.14 8/15/202378,200 shares $1.18 million -38.0%N/A0.3 $15.13 7/31/2023126,200 shares $1.85 million +94.8%N/A0.3 $14.63 7/15/202364,800 shares $933.12 thousand +9,157.1%N/A0.2 $14.40 6/30/2023700 shares $10.41 thousand -98.3%N/A0 $14.87 6/15/202340,900 shares $659.31 thousand -32.2%N/A0.5 $16.12 5/31/202360,300 shares $950.93 thousand +61.2%N/A0.3 $15.77 5/15/202337,400 shares $599.52 thousand +77.3%N/A0.4 $16.03 4/30/202321,100 shares $316.92 thousand +64.8%N/A0.3 $15.02 4/15/202312,800 shares $189.57 thousand -60.7%N/A0.1 $14.81 3/31/202332,600 shares $462.76 thousand -26.4%N/A0.2 $14.20 3/15/202344,300 shares $610.01 thousand -15.8%N/A0.2 $13.77 2/28/202352,600 shares $736.40 thousand +310.9%N/A0.2 $14.00 2/15/202312,800 shares $183.94 thousand +75.3%N/A0.1 $14.37 1/31/20237,300 shares $107.16 thousand -73.7%N/A0 $14.68 1/15/202327,700 shares $404.97 thousand -43.7%N/A0.2 $14.62 12/30/202249,200 shares $745.87 thousand +278.5%N/A0.5 $15.16 12/15/202213,000 shares $202.41 thousand -75.8%N/A0.2 $15.57 11/30/202253,600 shares $828.66 thousand -48.9%N/A0.5 $15.46 11/15/2022104,900 shares $1.58 million +88.3%N/A0.4 $15.07 10/31/202255,700 shares $772.00 thousand -50.2%N/A0.2 $13.86 10/15/2022111,900 shares $1.49 million +5.3%N/A0.3 $13.33 9/30/2022106,300 shares $1.42 million +544.2%N/A0.2 $13.33 9/15/202216,500 shares $227.21 thousand No ChangeN/A0 $13.77 8/15/20222,000 shares $30.60 thousand -95.6%N/A0 $15.30 7/31/202245,100 shares $702.21 thousand -32.5%N/A0.2 $15.57 7/15/202266,800 shares $1.06 million -63.5%N/A0.5 $15.82 6/30/2022183,100 shares $2.85 million +367.1%N/A0.8 $15.56 6/15/202239,200 shares $587.22 thousand +1,087.9%N/A0.2 $14.98 5/31/20223,300 shares $52.50 thousand -85.3%N/A0 $15.91 5/15/202222,400 shares $339.36 thousand -62.5%N/A0.1 $15.15 4/30/202259,700 shares $905.65 thousand +69.1%N/A0.3 $15.17 4/15/202235,300 shares $580.69 thousand +451.6%N/A0.2 $16.45 3/31/20226,400 shares $99.71 thousand +220.0%N/A0 $15.58 3/15/20222,000 shares $31.32 thousand -75.3%N/A0 $15.66 2/28/20228,100 shares $135.11 thousand -77.7%N/A0 $16.68 2/15/202236,300 shares $627.05 thousand -17.7%N/A0.2 $17.27 1/31/202244,100 shares $712.22 thousand -4.8%N/A0.2 $16.15 1/15/202246,300 shares $764.41 thousand +282.6%N/A0.3 $16.51 12/31/202112,100 shares $196.87 thousand -55.4%N/A0.1 $16.27 12/15/202127,100 shares $431.16 thousand -13.1%N/A0.1 $15.91 11/30/202131,200 shares $485.32 thousand -50.9%N/A0.2 $15.56 11/15/202163,500 shares $1.10 million -54.7%N/A0.9 $17.37 10/29/2021140,300 shares $2.37 million +17.3%N/A1.5 $16.88 10/15/2021119,600 shares $2.10 million +65.2%N/A1.1 $17.55Tax Drain Deadline: Protect Your Wealth Before September 15th (Ad)On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed professionals, retirees, and high-net-worth savers. But the wealthy aren’t just writing checks. They’re moving fast to protect capital and purchasing power using legal, IRS-compliant strategies. American Alternative Assets just released the Mar-A-Lago Accord, a free guide revealing how to reduce Q3 tax exposure and reposition wealth before it’s drained.Click here to download the guide and protect your assets before Sept 15th. 9/30/202172,400 shares $1.20 million +95.7%N/A0.8 $16.52 9/15/202137,000 shares $629 thousand +380.5%N/A0.4 $17.00 8/31/20217,700 shares $129.21 thousand +3,750.0%N/A0.1 $16.78 8/13/2021200 shares $3.25 thousand -97.2%N/A0 $16.23 7/30/20217,200 shares $114.62 thousand -36.8%N/A0.1 $15.92 7/15/202111,400 shares $198.47 thousand -81.7%N/A0.1 $17.41 6/30/202162,400 shares $1.08 million +20.9%N/A0.6 $17.38 6/15/202151,600 shares $904.55 thousand -28.3%N/A0.3 $17.53 5/28/202172,000 shares $1.17 million +410.6%N/A0.8 $16.22 5/14/202114,100 shares $215.17 thousand +1,914.3%N/A0.1 $15.26 4/30/2021700 shares $10.46 thousand -82.1%N/A0 $14.95 4/15/20213,900 shares $58.81 thousand -76.4%N/A0 $15.08 3/31/202116,500 shares $258.06 thousand +66.7%N/A0.2 $15.64 3/15/20219,900 shares $164.84 thousand -73.9%N/A0.1 $16.65 2/26/202137,900 shares $626.11 thousand -41.4%N/A0.5 $16.52 2/12/202164,700 shares $1.10 million +462.6%N/A0.4 $16.99 1/29/202111,500 shares $188.37 thousand -85.3%N/A0.1 $16.38 1/15/202140,400 shares $642.76 thousand -34.0%N/A0.2 $15.91 12/31/202017,600 shares $271.04 thousand -56.4%N/A0.1 $15.40 12/15/202040,400 shares $589.44 thousand -34.0%N/A0.2 $14.59 11/30/202061,200 shares $954.11 thousand +367.2%N/A0.5 $15.59 11/15/202013,100 shares $203.31 thousand +718.8%N/A0.1 $15.52 10/30/20201,600 shares $22.26 thousand -88.8%N/A0 $13.91 10/15/202014,300 shares $202.49 thousand +44.4%N/A0.1 $14.16 9/30/20209,900 shares $147.61 thousand +125.0%N/A0.1 $14.91 9/15/20204,400 shares $67.06 thousand -91.3%N/A0 $15.24 8/31/202050,800 shares $796.04 thousand +681.5%N/A0.4 $15.67 ALPMY Short Interest - Frequently Asked Questions What is Astellas Pharma's current short interest? Short interest is the volume of Astellas Pharma shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 187,000 shares of ALPMY short. Learn More on Astellas Pharma's current short interest. What is a good short interest ratio for Astellas Pharma? 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. ALPMY shares currently have a short interest ratio of 1.0. Learn More on Astellas Pharma's short interest ratio. Is Astellas Pharma's short interest increasing or decreasing? Astellas Pharma saw a decline in short interest in July. As of July 31st, there was short interest totaling 187,000 shares, a decline of 46.6% from the previous total of 350,400 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 Astellas Pharma's short interest compare to its competitors? Here is how the short interest of companies in the industry of "med - drugs" compare to Astellas Pharma: Indivior PLC (6.48%), Minerva Neurosciences, Inc (0.56%), Silence Therapeutics PLC Sponsored ADR (2.72%), UCB SA (0.00%), Chugai Pharmaceutical Co., Ltd. Unsponsored ADR (0.00%), Zoetis Inc. (1.55%), Daiichi Sankyo Co., Ltd. - Sponsored ADR (0.01%), and Takeda Pharmaceutical Co. (0.26%). Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Astellas Pharma stock? Short selling ALPMY is an investing strategy that aims to generate trading profit from Astellas Pharma as its price is falling. ALPMY shares are trading up $0.10 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 Astellas Pharma? A short squeeze for Astellas Pharma 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 ALPMY, which in turn drives the price of the stock up even further. How often is Astellas Pharma'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 ALPMY, twice per month. The most recent reporting period available is July, 31 2025. 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