IGM Biosciences (IGMS) Short Interest Ratio & Short Volume $1.02 -0.10 (-8.93%) Closing price 04:00 PM EasternExtended Trading$1.02 0.00 (0.00%) As of 07:33 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 InterestSustainabilityTrendsBuy This Stock IGM Biosciences Short Interest DataIGM Biosciences (IGMS) has a short interest of 928,300 shares, representing 5.68% of the float (the number of shares available for trading by the public). This marks a -19.28% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.1, indicating that it would take 2.1 days of the average trading volume of 339,416 shares to cover all short positions.Current Short Interest928,300 sharesPrevious Short Interest1,150,000 sharesChange Vs. Previous Month-19.28%Dollar Volume Sold Short$1.15 millionShort Interest Ratio2.1 Days to CoverLast Record DateMarch 15, 2025Outstanding Shares59,775,000 sharesFloat Size16,350,000 sharesShort Percent of Float5.68%Today's Trading Volume114,721 sharesAverage Trading Volume339,416 sharesToday's Volume Vs. Average34% Short Selling IGM Biosciences? Sign up to receive the latest short interest report for IGM Biosciences and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIGMS Short Interest Over TimeIGMS Days to Cover Over TimeIGMS Percentage of Float Shorted Over Time Remove Ads IGM Biosciences Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/15/2025928,300 shares $1.15 million -19.3%5.7%2.1 $1.24 2/28/20251,150,000 shares $1.56 million +7.5%7.0%2.6 $1.36 2/15/20251,070,000 shares $1.53 million +11.5%6.6%2.4 $1.43 1/31/2025959,700 shares $1.45 million -51.0%5.5%2.1 $1.51 1/15/20251,960,000 shares $3.92 million -21.9%11.1%4.5 $2.00 12/31/20242,510,000 shares $15.34 million -4.9%14.3%8 $6.11 12/15/20242,640,000 shares $18.93 million -2.2%15.0%9.9 $7.17 11/30/20242,700,000 shares $27.11 million -4.9%15.4%8.7 $10.04 11/15/20242,840,000 shares $26.89 million -15.7%16.2%9.3 $9.47 10/31/20243,370,000 shares $57.76 million -8.4%16.3%11.6 $17.14 Get the Latest News and Ratings for IGMS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for IGM Biosciences and its competitors with MarketBeat's FREE daily newsletter. 10/15/20243,680,000 shares $56.78 million -8.5%17.8%12.1 $15.43 9/30/20244,020,000 shares $66.49 million -23.9%19.3%11.4 $16.54 9/15/20245,280,000 shares $64.94 million -4.7%25.3%16.7 $12.30 8/31/20245,540,000 shares $56.45 million -4.2%26.7%20 $10.19 8/15/20245,780,000 shares $53.58 million +2.5%27.8%16.4 $9.27 7/31/20245,640,000 shares $62.94 million -1.1%27.2%15.6 $11.16 7/15/20245,700,000 shares $59.11 million +9.2%27.2%15.2 $10.37 6/30/20245,220,000 shares $35.86 million +0.8%24.9%16.1 $6.87 6/15/20245,180,000 shares $37.71 million +0.8%24.7%16.1 $7.28 5/31/20245,140,000 shares $42.82 million -2.7%24.1%15.8 $8.33 5/15/20245,280,000 shares $50.11 million -15.4%24.8%17.2 $9.49 4/30/20246,240,000 shares $60.09 million +18.9%29.9%21.6 $9.63 4/15/20245,250,000 shares $49.40 million +0.6%25.0%19.4 $9.41 3/31/20245,220,000 shares $50.37 million +9.7%25.1%18.5 $9.65 3/15/20244,760,000 shares $50.65 million +5.5%22.9%16.4 $10.64 2/29/20244,510,000 shares $56.96 million -1.3%21.4%14.5 $12.63 2/15/20244,570,000 shares $70.38 million -2.6%21.9%14 $15.40 1/31/20244,690,000 shares $49.34 million -4.1%22.5%15.3 $10.52 1/15/20244,890,000 shares $53.50 million +4.7%23.5%14.2 $10.94 12/31/20234,670,000 shares $38.81 million +7.9%22.4%13.2 $8.31 12/15/20234,330,000 shares $28.58 million +5.4%20.9%12.5 $6.60 11/30/20234,110,000 shares $27.70 million -1.0%19.8%12.6 $6.74 11/15/20234,150,000 shares $24.49 million -17.0%20.0%13.9 $5.90 10/31/20235,000,000 shares $19.70 million -6.2%24.1%17.2 $3.94 10/15/20235,330,000 shares $23.51 million +1.5%25.7%20.6 $4.41 9/30/20235,250,000 shares $43.84 million -6.6%25.3%22.1 $8.35 9/15/20235,620,000 shares $41.36 million -0.4%27.1%21.3 $7.36 8/31/20235,640,000 shares $40.33 million +2.9%28.2%19 $7.15 8/15/20235,480,000 shares $42.74 million +12.3%27.4%17.1 $7.80 7/31/20234,880,000 shares $51.92 million -1.6%24.3%15.2 $10.64Trump’s betrayal exposed (Ad)Fair warning: this will not make for easy viewing. 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But do not ignore this, as there’s likely nothing more important to your financial security in 2025.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma 7/15/20234,960,000 shares $49.60 million +2.3%26.1%15.8 $10.00 6/30/20234,850,000 shares $44.77 million +8.3%26.3%14.3 $9.23 6/15/20234,480,000 shares $45.07 million +2.5%24.2%13.4 $10.06 5/31/20234,370,000 shares $52.66 million +5.1%24.8%16.3 $12.05 5/15/20234,160,000 shares $57.32 million +2.5%23.7%18 $13.78 4/30/20234,060,000 shares $43.97 million +3.3%23.3%17.9 $10.83 4/15/20233,930,000 shares $43.66 million +7.4%22.8%18.2 $11.11 3/31/20233,660,000 shares $50.29 million -0.5%21.2%16.1 $13.74 3/15/20233,680,000 shares $69.59 million +3.7%21.1%20.5 $18.91 2/28/20233,550,000 shares $74.62 million -2.2%20.3%18.1 $21.02 2/15/20233,630,000 shares $87.05 million -4.5%20.8%17.4 $23.98 1/31/20233,800,000 shares $86.37 million +5.0%21.8%16.2 $22.73 1/15/20233,620,000 shares $91.69 million +4.3%20.9%15.1 $25.33 12/30/20223,470,000 shares $59.02 million -4.7%20.0%16 $17.01 12/15/20223,640,000 shares $67.34 million +12.7%20.9%15.8 $18.50 11/30/20223,230,000 shares $71.09 million -9.3%18.7%14.9 $22.01 11/15/20223,560,000 shares $92.63 million +5.6%20.6%16.2 $26.02 10/31/20223,370,000 shares $67.40 million -2.3%19.5%17.4 $20.00 10/15/20223,450,000 shares $71.35 million +3.6%19.9%18 $20.68 9/30/20223,330,000 shares $75.72 million +3.4%19.2%17 $22.74 9/15/20223,220,000 shares $71.55 million -3.9%18.6%16.2 $22.22 8/31/20223,350,000 shares $65.02 million +3.1%20.1%15.3 $19.41 8/15/20223,250,000 shares $87.78 million -2.1%19.5%13.7 $27.01 7/31/20223,320,000 shares $53.49 million +1.2%21.1%12.2 $16.11 7/15/20223,280,000 shares $61.01 million +6.2%20.8%11.1 $18.60 6/30/20223,090,000 shares $55.71 million +4.4%19.6%9.1 $18.03 6/15/20222,960,000 shares $41.88 million -10.0%18.8%2.5 $14.15 5/31/20223,290,000 shares $55.21 million -6.3%20.9%2.8 $16.78 5/15/20223,510,000 shares $51.11 million -10.7%22.3%3 $14.56 4/30/20223,930,000 shares $65.79 million -9.0%27.0%3.4 $16.74 4/15/20224,320,000 shares $87.48 million -1.6%29.6%3.7 $20.25 3/31/20224,390,000 shares $117.34 million -3.1%N/A3.8 $26.73 3/15/20224,530,000 shares $60.79 million -1.7%30.8%14.3 $13.42 2/28/20224,610,000 shares $76.89 million -1.5%31.3%13.5 $16.68 2/15/20224,680,000 shares $80.96 million +2.2%31.7%13.8 $17.30 1/31/20224,580,000 shares $81.07 million +7.0%31.1%13.8 $17.70 1/15/20224,280,000 shares $93.65 million +3.6%N/A0 $21.88 12/31/20214,130,000 shares $121.13 million +14.1%28.0%15.4 $29.33 12/15/20213,620,000 shares $102.63 million -0.8%24.5%14.3 $28.35 11/30/20213,650,000 shares $182.21 million +1.1%24.8%20.9 $49.92 11/15/20213,610,000 shares $216.56 million +7.8%24.4%21.7 $59.99 10/29/20213,350,000 shares $157.18 million +2.8%22.9%21.6 $46.92 10/15/20213,260,000 shares $192.05 million +3.2%22.6%23.7 $58.91 9/30/20213,160,000 shares $207.80 million -1.3%21.9%24.1 $65.76 9/15/20213,200,000 shares $218.75 million -3.6%22.2%24.7 $68.36 8/31/20213,320,000 shares $236.42 million -0.3%23.1%24.2 $71.21 8/13/20213,330,000 shares $251.55 million +12.9%23.1%23 $75.54 7/30/20212,950,000 shares $200.63 million +1.0%20.6%19.6 $68.01 7/15/20212,920,000 shares $238.80 million -1.0%20.4%20.2 $81.78 6/30/20212,950,000 shares $245.44 million -3.6%20.6%18.4 $83.20Trump’s betrayal exposed (Ad)Fair warning: this will not make for easy viewing. 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Short interest is the volume of IGM Biosciences shares that have been sold short but have not yet been covered or closed out. As of March 15th, traders have sold 928,300 shares of IGMS short. 5.68% of IGM Biosciences' shares are currently sold short. Learn More on IGM Biosciences' current short interest. What is a good short interest ratio for IGM Biosciences? 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. IGMS shares currently have a short interest ratio of 2.0. Learn More on IGM Biosciences's short interest ratio. Which institutional investors are shorting IGM Biosciences? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of IGM Biosciences: 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 IGM Biosciences? 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. 5.68% of IGM Biosciences' floating shares are currently sold short. Is IGM Biosciences' short interest increasing or decreasing? IGM Biosciences saw a decrease in short interest in March. As of March 15th, there was short interest totaling 928,300 shares, a decrease of 19.3% from the previous total of 1,150,000 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 IGM Biosciences' float size? IGM Biosciences currently has issued a total of 59,775,000 shares. Some of IGM Biosciences' 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. IGM Biosciences currently has a public float of 16,350,000 shares. How does IGM Biosciences' short interest compare to its competitors? 5.68% of IGM Biosciences' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to IGM Biosciences: Cartesian Therapeutics, Inc. (23.83%), 2seventy bio, Inc. (6.98%), Aquestive Therapeutics, Inc. (12.18%), Taysha Gene Therapies, Inc. (12.66%), Astria Therapeutics, Inc. (6.87%), Atyr PHARMA INC (8.05%), Atai Life Sciences (7.75%), COMPASS Pathways plc (8.61%), Monte Rosa Therapeutics, Inc. (15.28%), Arcturus Therapeutics Holdings Inc. (18.10%), 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 ($26.28 billion), iShares 20+ Year Treasury Bond ETF ($9.53 billion), Strategy Incorporated ($8.50 billion), Apollo Global Management, Inc. ($4.86 billion), Super Micro Computer, Inc. ($4.85 billion), Charter Communications, Inc. ($4.28 billion), Capital One Financial Co. ($4.08 billion), AppLovin Co. ($3.82 billion), Canadian Natural Resources Limited ($3.78 billion), and Schlumberger Limited ($2.87 billion). View all of the most shorted stocks. What does it mean to sell short IGM Biosciences stock? Short selling IGMS is an investing strategy that aims to generate trading profit from IGM Biosciences as its price is falling. IGMS shares are trading down $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 IGM Biosciences? A short squeeze for IGM Biosciences 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 IGMS, which in turn drives the price of the stock up even further. How often is IGM Biosciences' 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 IGMS, twice per month. The most recent reporting period available is March, 15 2025. More Short Interest Resources from MarketBeat Related Companies RNAC Short Squeeze TSVT Short Squeeze AQST Short Squeeze TSHA Short Squeeze ATXS Short Squeeze ATYR Short Squeeze ATAI Short Squeeze CMPS Short Squeeze GLUE Short Squeeze ARCT Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:IGMS) was last updated on 4/8/2025 by MarketBeat.com Staff From Our PartnersFeds Just Admitted It—They Can Take Your CashThe Government Just Said Your Money Isn't Yours That's right—According to the DOJ, YOUR hard-earned money i...Priority Gold | SponsoredElon Musk Confirms: Tesla’s Optimus is Replacing Workers… and Heading to MarsMusk confirmed that SpaceX's Starship will carry Optimus to Mars in 2026 as part of an autonomous mission to h...InvestorPlace | SponsoredDividend cuts are destroying retirements… is yours next?The market is on edge. 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