Lyell Immunopharma (LYEL) Short Interest Ratio & Short Volume $0.47 -0.01 (-2.30%) As of 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Lyell Immunopharma Short Interest DataLyell Immunopharma (LYEL) has a short interest of 5.71 million shares, representing 4.57% of the float (the number of shares available for trading by the public). This marks a -4.52% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.7, indicating that it would take 5.7 days of the average trading volume of 1.04 million shares to cover all short positions.Current Short Interest5,710,000 sharesPrevious Short Interest5,980,000 sharesChange Vs. Previous Month-4.52%Dollar Volume Sold Short$3.07 millionShort Interest Ratio5.7 Days to CoverLast Record DateMarch 31, 2025Outstanding Shares295,284,000 sharesFloat Size124,830,000 sharesShort Percent of Float4.57%Today's Trading Volume499,738 sharesAverage Trading Volume1,037,623 sharesToday's Volume Vs. Average48% Short Selling Lyell Immunopharma? Sign up to receive the latest short interest report for Lyell Immunopharma and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartLYEL Short Interest Over TimeLYEL Days to Cover Over TimeLYEL Percentage of Float Shorted Over Time Lyell Immunopharma Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/31/20255,710,000 shares $3.07 million -4.5%4.6%5.7 $0.54 3/15/20255,980,000 shares $3.50 million -26.1%4.8%5.5 $0.59 2/28/20258,090,000 shares $5.75 million -16.2%6.5%7 $0.71 2/15/20259,650,000 shares $5.89 million -16.3%7.7%7.6 $0.61 1/31/202511,530,000 shares $6.81 million -7.0%7.6%9.4 $0.59 1/15/202512,400,000 shares $7.41 million +0.7%8.2%8.2 $0.60 12/31/202412,310,000 shares $7.88 million +12.0%8.5%8.5 $0.64 12/15/202410,990,000 shares $7.41 million +16.3%7.6%7.7 $0.67 11/30/20249,450,000 shares $8.93 million -1.6%7.2%7.3 $0.95 11/15/20249,600,000 shares $10.56 million -13.8%7.7%7.7 $1.10 Get the Latest News and Ratings for LYEL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Lyell Immunopharma and its competitors with MarketBeat's FREE daily newsletter. 10/31/202411,140,000 shares $10.70 million +3.5%8.9%10.3 $0.96 10/15/202410,760,000 shares $12.59 million +0.9%9.4%17.1 $1.17 9/30/202410,660,000 shares $14.71 million -19.4%9.4%16 $1.38 9/15/202413,220,000 shares $16.26 million -3.9%11.6%13.8 $1.23 8/31/202413,760,000 shares $19.95 million -8.5%12.1%14.6 $1.45 8/15/202415,030,000 shares $18.86 million -7.9%13.3%15.9 $1.26 7/31/202416,320,000 shares $26.28 million +1.2%13.6%16.9 $1.61 7/15/202416,130,000 shares $27.74 million -10.0%13.6%16.6 $1.72 6/30/202417,920,000 shares $25.98 million -25.8%15.1%16.9 $1.45 6/15/202424,150,000 shares $56.99 million +19.6%20.4%30.6 $2.36 5/31/202420,200,000 shares $55.95 million +0.5%17.1%25.2 $2.77 5/15/202420,100,000 shares $52.46 million +0.7%17.0%23.3 $2.61 4/30/202419,970,000 shares $43.33 million +9.5%16.9%22.3 $2.17 4/15/202418,230,000 shares $43.75 million +0.7%15.5%19.8 $2.40 3/31/202418,100,000 shares $40.36 million +74.4%15.5%18.8 $2.23 3/15/202410,380,000 shares $22.42 million -5.2%8.9%10.3 $2.16 2/29/202410,950,000 shares $31.97 million -39.6%9.4%8.9 $2.92 2/15/202418,130,000 shares $34.45 million +67.3%15.7%14.5 $1.90 1/31/202410,840,000 shares $19.84 million -30.6%9.4%8.2 $1.83 1/15/202415,620,000 shares $34.68 million +4.4%12.7%11.8 $2.22 12/31/202314,960,000 shares $29.02 million -13.2%12.1%12.2 $1.94 12/15/202317,240,000 shares $33.10 million -0.6%14.0%15.3 $1.92 11/30/202317,340,000 shares $30.00 million -2.3%14.1%18.8 $1.73 11/15/202317,740,000 shares $36.37 million -7.6%14.4%20.3 $2.05 10/31/202319,200,000 shares $31.78 million -7.3%15.8%25.1 $1.66 10/15/202320,720,000 shares $33.98 million -2.3%17.1%29.2 $1.64 9/30/202321,210,000 shares $31.18 million +1.3%17.5%30 $1.47 9/15/202320,930,000 shares $35.37 million -5.2%17.2%28.3 $1.69 8/31/202322,070,000 shares $52.75 million -3.7%18.3%24.3 $2.39 8/15/202322,910,000 shares $52.46 million -2.5%19.0%23 $2.29The Crypto Market is About to Change Lives (Ad)I've discovered something so significant about the 2025 crypto market that I had to put everything else aside and write a book about it. 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Claim your FREE copy of my controversial book before I change my mind. 7/31/202323,500,000 shares $67.92 million +1.5%19.6%22 $2.89 7/15/202323,160,000 shares $67.86 million -1.2%19.3%20.9 $2.93 6/30/202323,450,000 shares $74.57 million +3.9%19.6%20.8 $3.18 6/15/202322,580,000 shares $87.16 million +4.9%18.9%18.7 $3.86 5/31/202321,530,000 shares $68.68 million +2.8%18.0%20.1 $3.19 5/15/202320,950,000 shares $63.06 million +3.2%17.5%19.8 $3.01 4/30/202320,300,000 shares $41.21 million -0.7%17.0%20.1 $2.03 4/15/202320,450,000 shares $48.26 million -1.8%17.1%20.9 $2.36 3/31/202320,830,000 shares $49.16 million +1.3%17.4%20.2 $2.36 3/15/202320,560,000 shares $45.03 million +14.2%17.2%19.6 $2.19 2/28/202318,010,000 shares $38.72 million +5.4%15.1%16.2 $2.15 2/15/202317,080,000 shares $42.70 million -2.1%14.3%15.7 $2.50 1/31/202317,440,000 shares $57.03 million -2.9%14.6%15.2 $3.27 1/15/202317,960,000 shares $58.01 million -9.4%15.0%15.5 $3.23 12/30/202219,820,000 shares $68.78 million +15.8%20.3%18 $3.47 12/15/202217,110,000 shares $56.12 million -2.0%17.5%16.1 $3.28 11/30/202217,450,000 shares $73.46 million -5.7%22.0%15.3 $4.21 11/15/202218,510,000 shares $85.15 million -2.5%23.4%16.5 $4.60 10/31/202218,990,000 shares $111.66 million -1.1%23.4%18.6 $5.88 10/15/202219,200,000 shares $125.57 million +5.1%23.6%18.6 $6.54 9/30/202218,270,000 shares $133.92 million +19.3%22.5%18.6 $7.33 9/15/202215,320,000 shares $121.95 million +7.0%19.1%14.7 $7.96 8/31/202214,320,000 shares $95.94 million -7.2%18.1%15.6 $6.70 8/15/202215,430,000 shares $116.03 million -4.6%19.5%17.1 $7.52 7/31/202216,180,000 shares $90.12 million -4.9%25.4%17.1 $5.57 7/15/202217,010,000 shares $100.36 million -2.4%26.7%19.1 $5.90 6/30/202217,430,000 shares $113.64 million +6.9%27.4%19.3 $6.52 6/15/202216,310,000 shares $77.15 million +1.8%25.6%17.9 $4.73 5/31/202216,030,000 shares $66.36 million +5.6%25.4%13 $4.14 5/15/202215,180,000 shares $60.57 million -2.9%24.1%11.9 $3.99 4/30/202215,640,000 shares $80.23 million -6.0%26.4%12.3 $5.13 4/15/202216,630,000 shares $89.64 million +5.3%28.1%13 $5.39 3/31/202215,800,000 shares $79.79 million +29.7%26.7%12.3 $5.05 3/15/202212,180,000 shares $73.20 million +21.7%21.0%9 $6.01 2/28/202210,010,000 shares $72.47 million +6.0%17.3%11.3 $7.24 2/15/20229,440,000 shares $64.38 million +9.6%16.4%12.4 $6.82 1/31/20228,610,000 shares $48.90 million +2.7%14.9%12.9 $5.68 1/15/20228,380,000 shares $50.62 million +10.1%14.5%14.8 $6.04 12/31/20217,610,000 shares $58.90 million +22.4%13.2%15.1 $7.74 12/15/20216,220,000 shares $55.98 million +17.4%10.8%13 $9.00 11/30/20215,300,000 shares $50.62 million +7.1%9.9%12.1 $9.55 11/15/20214,950,000 shares $54.70 million No Change9.3%10.7 $11.05 10/29/20214,950,000 shares $69.00 million +3.8%9.2%11.5 $13.94 10/15/20214,770,000 shares $63.35 million +11.7%8.9%11 $13.28 9/30/20214,270,000 shares $63.20 million +10.3%8.0%9.1 $14.80 9/15/20213,870,000 shares $51.01 million +15.2%5.2%8.2 $13.18 8/31/20213,360,000 shares $53.05 million +10.2%4.4%7.1 $15.79 8/13/20213,050,000 shares $45.17 million No Change4.0%6.7 $14.81 LYEL Short Interest - Frequently Asked Questions What is Lyell Immunopharma's current short interest? Short interest is the volume of Lyell Immunopharma shares that have been sold short but have not yet been closed out or covered. As of March 31st, traders have sold 5,710,000 shares of LYEL short. 4.57% of Lyell Immunopharma's shares are currently sold short. Learn More on Lyell Immunopharma's current short interest. What is a good short interest ratio for Lyell Immunopharma? 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. LYEL shares currently have a short interest ratio of 6.0. Learn More on Lyell Immunopharma's short interest ratio. Which institutional investors are shorting Lyell Immunopharma? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Lyell Immunopharma: 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 Lyell Immunopharma? 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. 4.57% of Lyell Immunopharma's floating shares are currently sold short. Is Lyell Immunopharma's short interest increasing or decreasing? Lyell Immunopharma saw a drop in short interest in the month of March. As of March 31st, there was short interest totaling 5,710,000 shares, a drop of 4.5% from the previous total of 5,980,000 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 Lyell Immunopharma's float size? Lyell Immunopharma currently has issued a total of 295,284,000 shares. Some of Lyell Immunopharma's 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. Lyell Immunopharma currently has a public float of 124,830,000 shares. How does Lyell Immunopharma's short interest compare to its competitors? 4.57% of Lyell Immunopharma's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Lyell Immunopharma: Opthea Limited (0.36%), Cogent Biosciences, Inc. (12.51%), Keros Therapeutics, Inc. (12.97%), Immatics (5.94%), Arvinas, Inc. (9.80%), uniQure (9.45%), Bicycle Therapeutics plc (6.81%), UroGen Pharma Ltd. (25.38%), GH Research PLC (6.85%), Kura Oncology, Inc. (11.97%), 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 ($21.93 billion), iShares 20+ Year Treasury Bond ETF ($9.31 billion), Strategy Incorporated ($8.42 billion), Charter Communications, Inc. ($4.52 billion), Apollo Global Management, Inc. ($4.26 billion), Super Micro Computer, Inc. ($3.98 billion), Capital One Financial Co. ($3.79 billion), TC Energy Co. ($3.43 billion), AppLovin Co. ($2.91 billion), and Schlumberger Limited ($2.89 billion). View all of the most shorted stocks. What does it mean to sell short Lyell Immunopharma stock? Short selling LYEL is an investing strategy that aims to generate trading profit from Lyell Immunopharma as its price is falling. LYEL shares are trading down $0.02 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 Lyell Immunopharma? A short squeeze for Lyell Immunopharma 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 LYEL, which in turn drives the price of the stock up even further. How often is Lyell Immunopharma'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 LYEL, twice per month. The most recent reporting period available is March, 31 2025. More Short Interest Resources from MarketBeat Related Companies OPT Short Squeeze COGT Short Squeeze KROS Short Squeeze IMTX Short Squeeze ARVN Short Squeeze QURE Short Squeeze BCYC Short Squeeze URGN Short Squeeze GHRS Short Squeeze KURA 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:LYEL) was last updated on 4/24/2025 by MarketBeat.com Staff From Our PartnersJames Altucher: Do not invest in AI unless…I made millions during the crypto boom. Many “experts” are now saying… Artificial Intelligence opportuni...Paradigm Press | SponsoredTrump’s treachery Forget what the media tells you. Trump’s inner circle may be pushing a financial reset that mirrors moves from...Porter & Company | SponsoredMusk’s AI Masterplan – Our #1 AI Stock to Buy NowDid Elon Musk just set the stage for the next AI stock explosion? 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