Grifols (GRFS) Short Interest Ratio & Short Volume $9.02 +0.19 (+2.15%) Closing price 04:00 PM EasternExtended Trading$9.01 -0.01 (-0.17%) As of 05:22 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Grifols Short Interest DataGrifols (GRFS) has a short interest of 3.78 million shares, representing 1.46% of the float (the number of shares available for trading by the public). This marks a 15.95% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.5, indicating that it would take 3.5 days of the average trading volume of 1.16 million shares to cover all short positions.Current Short Interest3,780,000 sharesPrevious Short Interest3,260,000 sharesChange Vs. Previous Month+15.95%Dollar Volume Sold Short$29.67 millionShort Interest Ratio3.5 Days to CoverLast Record DateMay 15, 2025Outstanding Shares687,555,000 sharesFloat Size258,080,000 sharesShort Percent of Float1.46%Today's Trading Volume466,564 sharesAverage Trading Volume1,159,523 sharesToday's Volume Vs. Average40% Short Selling Grifols? Sign up to receive the latest short interest report for Grifols and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartGRFS Short Interest Over TimeGRFS Days to Cover Over TimeGRFS Percentage of Float Shorted Over Time Grifols Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/15/20253,780,000 shares $29.67 million +16.0%1.5%3.5 $7.85 4/30/20253,260,000 shares $22.66 million +43.6%1.3%3 $6.95 4/15/20252,270,000 shares $15.87 million -23.3%0.9%2.1 $6.99 3/31/20252,960,000 shares $21.05 million +9.2%1.2%2.8 $7.11 3/15/20252,710,000 shares $21.63 million -28.9%1.1%2.7 $7.98 2/28/20253,810,000 shares $32.16 million +7.9%1.5%3.9 $8.44 2/15/20253,530,000 shares $25.84 million +12.8%1.4%3.7 $7.32 1/31/20253,130,000 shares $21.57 million -10.8%1.2%3 $6.89 1/15/20253,510,000 shares $26.22 million -5.4%1.4%3.4 $7.47 12/31/20243,710,000 shares $27.60 million -2.6%1.4%3.8 $7.44 Get the Latest News and Ratings for GRFS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Grifols and its competitors with MarketBeat's FREE daily newsletter. 12/15/20243,810,000 shares $27.93 million -0.5%1.5%3.8 $7.33 11/30/20243,830,000 shares $26.77 million +3.0%1.5%3.9 $6.99 11/15/20243,720,000 shares $35.23 million -10.8%1.5%3.9 $9.47 10/31/20244,170,000 shares $36.24 million -4.8%1.6%3.7 $8.69 10/15/20244,380,000 shares $37.27 million -4.2%1.7%3.7 $8.51 9/30/20244,570,000 shares $40.58 million -9.7%1.8%3.1 $8.88 9/15/20245,060,000 shares $46.86 million -8.5%2.0%2.9 $9.26 8/31/20245,530,000 shares $51.65 million -9.5%2.2%3.2 $9.34 8/15/20246,110,000 shares $42.53 million -19.3%2.4%3.8 $6.96 7/31/20247,570,000 shares $56.55 million -6.5%2.9%5.1 $7.47 7/15/20248,100,000 shares $66.10 million -7.7%3.2%5.4 $8.16 6/30/20248,780,000 shares $55.36 million +6.8%3.4%6.3 $6.31 6/15/20248,220,000 shares $57.54 million -1.1%3.2%6.8 $7.00 5/31/20248,310,000 shares $59.50 million +4.5%3.2%5.6 $7.16 5/15/20247,950,000 shares $61.14 million +18.5%3.1%3.6 $7.69 4/30/20246,710,000 shares $43.15 million +1.7%2.6%3.2 $6.43 4/15/20246,600,000 shares $43.16 million +10.6%2.6%3.1 $6.54 3/31/20245,970,000 shares $39.88 million -27.1%2.3%1.8 $6.68 3/15/20248,190,000 shares $50.20 million +11.3%3.2%2.5 $6.13 2/29/20247,360,000 shares $55.27 million +3.7%2.9%2.5 $7.51 2/15/20247,100,000 shares $61.27 million -6.3%2.8%3.1 $8.63 1/31/20247,580,000 shares $60.94 million -10.4%3.0%3.4 $8.04 1/15/20248,460,000 shares $59.47 million +94.9%3.3%4 $7.03 12/31/20234,340,000 shares $50.17 million -13.7%1.7%3.5 $11.56 12/15/20235,030,000 shares $51.66 million No Change2.0%6.8 $10.27 11/30/20235,030,000 shares $48.74 million +0.6%2.0%7.8 $9.69 11/15/20235,000,000 shares $47 million +4.4%2.0%9.6 $9.40 10/31/20234,790,000 shares $38.75 million +15.1%1.9%10 $8.09 10/15/20234,160,000 shares $36.61 million -4.8%1.6%7.2 $8.80 9/30/20234,370,000 shares $39.94 million -8.2%1.7%7.1 $9.14The Robotics Revolution has arrived … and one $7 stock could take off as a result. (Ad)It could very well mark the beginning of a new multitrillion-dollar industrial revolution. Up until now, we've imagined robots doing things like cleaning our homes, serving drinks at restaurants, greeting guests in hotel lobbies, stacking shelves in warehouses, and so on. Very soon, there will be a robot that won't do any of that. However, it's impact on the US economy and society will be FAR greater than anything we ever imagined.This little-known company holds nearly 100 patents and trades for around $7 9/15/20234,760,000 shares $47.08 million -4.8%1.9%7.2 $9.89 8/31/20235,000,000 shares $47.35 million -1.4%2.0%6.9 $9.47 8/15/20235,070,000 shares $52.12 million -1.4%2.0%7 $10.28 7/31/20235,140,000 shares $56.08 million -3.9%2.0%6 $10.91 7/15/20235,350,000 shares $50.56 million -1.3%2.1%6.8 $9.45 6/30/20235,420,000 shares $49.65 million +6.7%2.1%7.3 $9.16 6/15/20235,080,000 shares $45.57 million -1.2%2.0%6.6 $8.97 5/31/20235,140,000 shares $42.35 million -10.3%2.0%5.8 $8.24 5/15/20235,730,000 shares $51.34 million No Change2.2%6 $8.96 10/31/20225,340,000 shares $33.70 million +23.9%2.1%4 $6.31 10/15/20224,310,000 shares $26.46 million +4.1%1.7%3.2 $6.14 9/30/20224,140,000 shares $25.50 million -27.0%1.6%3.6 $6.16 9/15/20225,670,000 shares $47.46 million +5.6%2.2%5.8 $8.37 8/31/20225,370,000 shares $41.72 million -21.6%2.1%5.9 $7.77 8/15/20226,850,000 shares $61.10 million +1.9%2.7%7.8 $8.92 7/31/20226,720,000 shares $59.67 million -20.1%2.6%7.3 $8.88 7/15/20228,410,000 shares $85.28 million +21.4%3.3%9.9 $10.14 6/30/20226,930,000 shares $82.33 million +1.0%2.7%7.8 $11.88 6/15/20226,860,000 shares $78.27 million +6.4%2.7%7.1 $11.41 5/31/20226,450,000 shares $83.08 million +8.6%2.5%6.6 $12.88 5/15/20225,940,000 shares $76.98 million +5.3%2.3%5.8 $12.96 4/30/20225,640,000 shares $60.52 million +17.3%2.2%5.7 $10.73 4/15/20224,810,000 shares $51.76 million +10.6%1.9%4.8 $10.76 3/31/20224,350,000 shares $50.81 million -0.5%N/A0 $11.68 3/15/20224,370,000 shares $46.85 million -9.9%1.7%5.2 $10.72 2/28/20224,850,000 shares $59.95 million +5.0%1.9%5.6 $12.36 2/15/20224,620,000 shares $51.10 million -6.9%1.8%5.4 $11.06 1/31/20224,960,000 shares $58.23 million +4.4%1.9%5.7 $11.74 1/15/20224,750,000 shares $59.99 million +14.7%N/A0 $12.63 12/31/20214,140,000 shares $46.49 million +16.6%1.6%5.6 $11.23 12/15/20213,550,000 shares $37.28 million -19.7%1.4%4.7 $10.50 11/30/20214,420,000 shares $47.43 million +1.1%1.7%6.2 $10.73 11/15/20214,370,000 shares $51.70 million -10.8%1.7%6.5 $11.83 10/29/20214,900,000 shares $64.24 million +3.6%1.9%7 $13.11 10/15/20214,730,000 shares $67.26 million +7.3%1.9%6.5 $14.22 9/30/20214,410,000 shares $64.43 million +3.8%1.7%5.8 $14.61 9/15/20214,250,000 shares $60.48 million +0.2%1.7%6.1 $14.23 8/31/20214,240,000 shares $61.44 million +1.2%1.7%5.7 $14.49 8/13/20214,190,000 shares $59.88 million +0.5%1.6%5.8 $14.29 7/30/20214,170,000 shares $63.43 million +3.5%1.6%6.6 $15.21 7/15/20214,030,000 shares $63.96 million No Change1.6%6.7 $15.87 6/30/20214,030,000 shares $69.92 million +3.3%1.6%7 $17.35 6/15/20213,900,000 shares $71.21 million -2.0%1.5%5.6 $18.26 5/28/20213,980,000 shares $69.61 million -10.4%1.5%5.8 $17.49 5/14/20214,440,000 shares $81.61 million -14.1%1.7%5.5 $18.38 4/30/20215,170,000 shares $91.82 million +44.4%2.0%6.1 $17.76 4/15/20213,580,000 shares $63.94 million -4.8%1.4%3.9 $17.86 3/31/20213,760,000 shares $63.32 million +3.3%1.5%3.9 $16.84 3/15/20213,640,000 shares $58.53 million -4.2%1.4%4.2 $16.08 2/26/20213,800,000 shares $62.21 million +2.2%1.5%4.7 $16.37The Robotics Revolution has arrived … and one $7 stock could take off as a result. (Ad)It could very well mark the beginning of a new multitrillion-dollar industrial revolution. Up until now, we've imagined robots doing things like cleaning our homes, serving drinks at restaurants, greeting guests in hotel lobbies, stacking shelves in warehouses, and so on. Very soon, there will be a robot that won't do any of that. However, it's impact on the US economy and society will be FAR greater than anything we ever imagined.This little-known company holds nearly 100 patents and trades for around $7 2/12/20213,720,000 shares $62.20 million +22.4%1.5%4.9 $16.72 1/29/20213,040,000 shares $54.51 million +6.3%1.2%4 $17.93 1/15/20212,860,000 shares $54.77 million +16.3%1.1%3.7 $19.15 12/31/20202,460,000 shares $45.51 million -4.3%1.0%2.8 $18.50 12/15/20202,570,000 shares $48.42 million -9.8%1.0%2.1 $18.84 11/30/20202,850,000 shares $53.27 million +1.4%1.1%2.1 $18.69 11/15/20202,810,000 shares $53.50 million +10.6%1.1%2 $19.04 10/30/20202,540,000 shares $42.82 million -59.2%1.0%1.7 $16.86 10/15/20206,230,000 shares $114.32 million +1.3%2.5%3.9 $18.35 9/30/20206,150,000 shares $106.70 million +197.1%2.4%4.2 $17.35 9/15/20202,070,000 shares $34.40 million -5.1%0.8%1.6 $16.62 8/31/20202,180,000 shares $34.95 million -11.4%0.9%1.7 $16.03 8/14/20202,460,000 shares $44.26 million +54.7%1.0%1.9 $17.99 7/31/20201,590,000 shares $30.00 million -40.5%0.6%1.3 $18.87 7/15/20202,670,000 shares $51.32 million +0.4%1.1%2.5 $19.22 6/30/20202,660,000 shares $48.52 million -7.0%1.1%2.7 $18.24 6/15/20202,860,000 shares $54.97 million +14.4%1.1%2.8 $19.22 GRFS Short Interest - Frequently Asked Questions What is Grifols' current short interest? Short interest is the volume of Grifols shares that have been sold short but have not yet been covered or closed out. As of May 15th, investors have sold 3,780,000 shares of GRFS short. 1.46% of Grifols' shares are currently sold short. Learn More on Grifols' current short interest. What is a good short interest ratio for Grifols? 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. GRFS shares currently have a short interest ratio of 4.0. Learn More on Grifols's short interest ratio. Which institutional investors are shorting Grifols? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Grifols: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Grifols? 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. 1.46% of Grifols' floating shares are currently sold short. Is Grifols' short interest increasing or decreasing? Grifols saw a increase in short interest in May. As of May 15th, there was short interest totaling 3,780,000 shares, an increase of 16.0% from the previous total of 3,260,000 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 Grifols' float size? Grifols currently has issued a total of 687,555,000 shares. Some of Grifols' 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. Grifols currently has a public float of 258,080,000 shares. How does Grifols' short interest compare to its competitors? 1.46% of Grifols' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Grifols: Teva Pharmaceutical Industries Limited (3.43%), Intra-Cellular Therapies, Inc. (2.58%), Genmab A/S (0.45%), Summit Therapeutics Inc. (29.82%), Dr. Reddy's Laboratories Limited (1.83%), Ascendis Pharma A/S (10.33%), Moderna, Inc. (19.64%), Viatris Inc. (4.53%), Qiagen (2.81%), Blueprint Medicines Co. (9.26%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks. What does it mean to sell short Grifols stock? Short selling GRFS is an investing strategy that aims to generate trading profit from Grifols as its price is falling. GRFS shares are trading up $0.19 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 Grifols? A short squeeze for Grifols 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 GRFS, which in turn drives the price of the stock up even further. How often is Grifols' 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 GRFS, twice per month. The most recent reporting period available is May, 15 2025. More Short Interest Resources from MarketBeat Related Companies TEVA Short Squeeze ITCI Short Squeeze GMAB Short Squeeze SMMT Short Squeeze RDY Short Squeeze ASND Short Squeeze MRNA Short Squeeze VTRS Short Squeeze QGEN Short Squeeze BPMC 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:GRFS) was last updated on 6/10/2025 by MarketBeat.com Staff From Our PartnersElon’s NEXT Big IPO?Cancel your internet TODAY!? 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