FibroGen (FGEN) Short Interest Ratio & Short Volume $0.33 0.00 (-1.05%) Closing price 04:00 PM EasternExtended Trading$0.33 0.00 (-0.46%) As of 06:37 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 FibroGen Short Interest DataFibroGen (FGEN) has a short interest of 3.76 million shares. This marks a -10.05% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.2, indicating that it would take 1.2 days of the average trading volume of 2.06 million shares to cover all short positions.Current Short Interest3,760,000 sharesPrevious Short Interest4,180,000 sharesChange Vs. Previous Month-10.05%Dollar Volume Sold Short$1.27 millionShort Interest Ratio1.2 Days to CoverLast Record DateApril 30, 2025Outstanding Shares101,044,000 sharesPercentage of Shares Shorted3.72%Today's Trading Volume594,475 sharesAverage Trading Volume2,058,860 sharesToday's Volume Vs. Average29% Short Selling FibroGen? Sign up to receive the latest short interest report for FibroGen and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFGEN Short Interest Over TimeFGEN Days to Cover Over TimeFGEN Percentage of Float Shorted Over Time FibroGen Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20253,760,000 shares $1.27 million -10.1%N/A1.2 $0.34 4/15/20254,180,000 shares $1.24 million -10.5%4.2%1.3 $0.30 3/31/20254,670,000 shares $1.45 million -6.2%4.7%1.4 $0.31 3/15/20254,980,000 shares $2.19 million -6.0%5.0%1.4 $0.44 2/28/20255,300,000 shares $2.16 million +79.7%5.4%1.6 $0.41 2/15/20252,950,000 shares $1.64 million +1.4%3.0%0.9 $0.55 1/31/20252,910,000 shares $1.41 million -5.2%N/A2.3 $0.48 1/15/20253,070,000 shares $1.84 million +0.7%N/A2.2 $0.60 12/31/20243,050,000 shares $1.61 million -3.8%N/A2.1 $0.53 12/15/20243,170,000 shares $1.06 million -7.9%N/A2.5 $0.33 Get the Latest News and Ratings for FGEN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for FibroGen and its competitors with MarketBeat's FREE daily newsletter. 11/30/20243,440,000 shares $1.46 million -11.8%N/A2.9 $0.43 11/15/20243,900,000 shares $1.31 million -9.7%N/A3.3 $0.33 10/31/20244,320,000 shares $1.30 million +7.2%N/A3.7 $0.30 10/15/20244,030,000 shares $1.43 million -11.2%N/A2.5 $0.35 9/30/20244,540,000 shares $1.81 million -4.8%N/A2.6 $0.40 9/15/20244,770,000 shares $2.24 million -6.8%N/A2.2 $0.47 8/31/20245,120,000 shares $1.87 million -7.1%N/A2.3 $0.37 8/15/20245,510,000 shares $2.04 million +9.3%N/A2.1 $0.37 7/31/20245,040,000 shares $2.72 million -15.2%N/A1.9 $0.54 7/15/20245,940,000 shares $6.30 million -18.9%N/A2.3 $1.06 6/30/20247,320,000 shares $6.53 million -9.5%N/A2.9 $0.89 6/15/20248,090,000 shares $9.06 million +8.5%N/A3.5 $1.12 5/31/20247,460,000 shares $8.95 million +1.1%N/A3.1 $1.20 5/15/20247,380,000 shares $8.78 million +6.7%N/A3.4 $1.19 4/30/20246,920,000 shares $7.75 million +27.4%N/A2.8 $1.12 4/15/20245,430,000 shares $7.11 million +4.6%5.9%2 $1.31 3/31/20245,190,000 shares $12.20 million -6.2%5.7%1.9 $2.35 3/15/20245,530,000 shares $11.56 million -15.2%6.0%2.1 $2.09 2/29/20246,520,000 shares $11.15 million -9.6%7.1%2.5 $1.71 2/15/20247,210,000 shares $15.50 million -46.6%7.9%2.7 $2.15 1/31/202413,500,000 shares $25.92 million -4.9%14.7%5.1 $1.92 1/15/202414,200,000 shares $10.69 million +1.6%15.5%8.3 $0.75 12/31/202313,980,000 shares $12.39 million -3.0%15.3%7.3 $0.89 12/15/202314,410,000 shares $9.82 million -4.7%15.7%5.7 $0.68 11/30/202315,120,000 shares $8.35 million -1.1%16.5%4.3 $0.55 11/15/202315,290,000 shares $7.81 million +13.2%16.7%3.8 $0.51 10/31/202313,510,000 shares $7.31 million +18.0%14.9%3.3 $0.54 10/15/202311,450,000 shares $6.81 million +8.9%12.6%2.6 $0.60 9/30/202310,510,000 shares $9.07 million -3.2%11.6%2.3 $0.86 9/15/202310,860,000 shares $9.37 million +0.5%12.0%2.2 $0.86Man who predicted $100K Bitcoin sees a huge run coming for another coin … (Ad)Sure enough, Bitcoin took off on the exact day Juan said it would. It's up more than 40% since the election … surpassing $100,000 on Dec. 8 .… Now Juan believes it could hit $150,000 … or higher in 2025.There's another coin he thinks could do even better. 8/31/202310,810,000 shares $10.38 million -5.7%11.9%2.7 $0.96 8/15/202311,460,000 shares $15.59 million +39.9%12.6%3.5 $1.36 7/31/20238,190,000 shares $16.87 million -2.6%9.1%2.7 $2.06 7/15/20238,410,000 shares $21.70 million +6.9%9.4%3.3 $2.58 6/30/20237,870,000 shares $21.25 million +18.9%8.8%3.6 $2.70 6/15/20236,620,000 shares $112.21 million +8.2%7.4%4.2 $16.95 5/31/20236,120,000 shares $105.57 million +7.6%6.9%6.5 $17.25 5/15/20235,690,000 shares $100.49 million +16.8%6.4%6.2 $17.66 4/30/20234,870,000 shares $83.37 million -0.2%5.7%5.4 $17.12 4/15/20234,880,000 shares $95.79 million -0.8%5.7%5.6 $19.63 3/31/20234,920,000 shares $91.81 million +1.9%5.6%5.4 $18.66 3/15/20234,830,000 shares $96.60 million +20.2%5.6%5.2 $20.00 2/28/20234,020,000 shares $89.24 million -11.3%4.6%4.4 $22.20 2/15/20234,530,000 shares $110.35 million +2.5%5.2%5.3 $24.36 1/31/20234,420,000 shares $104.31 million -24.1%5.1%5.1 $23.60 1/15/20235,820,000 shares $119.31 million -13.3%6.7%6.5 $20.50 12/30/20226,710,000 shares $107.49 million -2.2%7.7%7.6 $16.02 12/15/20226,860,000 shares $99.61 million +2.5%8.0%8.4 $14.52 11/30/20226,690,000 shares $96.14 million No Change7.8%8.5 $14.37 11/15/20226,690,000 shares $99.81 million +3.2%7.8%8.8 $14.92 10/31/20226,480,000 shares $105.49 million -4.7%7.5%8.6 $16.28 10/15/20226,800,000 shares $107.92 million +4.5%7.9%9.1 $15.87 9/30/20226,510,000 shares $84.70 million +9.8%7.6%9.8 $13.01 9/15/20225,930,000 shares $72.05 million +5.3%6.9%8.9 $12.15 8/31/20225,630,000 shares $70.04 million +10.8%6.6%7.8 $12.44 8/15/20225,080,000 shares $74.12 million +2.6%5.9%6.1 $14.59 7/31/20224,950,000 shares $62.27 million -9.2%5.8%5.1 $12.58 7/15/20225,450,000 shares $66.60 million +1.5%6.4%5.6 $12.22 6/30/20225,370,000 shares $56.71 million -13.0%6.3%5.6 $10.56 6/15/20226,170,000 shares $58.06 million +5.8%7.2%6.4 $9.41 5/31/20225,830,000 shares $57.37 million +29.6%6.8%6.4 $9.84 5/15/20224,500,000 shares $44.73 million +25.7%5.3%5.2 $9.94 4/30/20223,580,000 shares $33.29 million +7.5%4.2%4.7 $9.30 4/15/20223,330,000 shares $39.36 million +2.5%3.9%4.1 $11.82 3/31/20223,250,000 shares $39.07 million -11.7%N/A3.9 $12.02 3/15/20223,680,000 shares $45.37 million -7.3%4.3%4.2 $12.33 2/28/20223,970,000 shares $55.86 million +3.4%4.7%3.7 $14.07 2/15/20223,840,000 shares $61.02 million -6.1%4.5%3.5 $15.89 1/31/20224,090,000 shares $61.72 million +10.0%4.8%3.5 $15.09 1/15/20223,720,000 shares $53.34 million -3.6%N/A3.1 $14.34 12/31/20213,860,000 shares $54.43 million -35.3%4.5%3.4 $14.10 12/15/20215,970,000 shares $85.19 million +4.6%7.0%5.1 $14.27 11/30/20215,710,000 shares $71.43 million -0.5%6.7%5.2 $12.51 11/15/20215,740,000 shares $70.09 million -2.9%6.8%5 $12.21 10/29/20215,910,000 shares $65.72 million -4.8%7.0%4.9 $11.12 10/15/20216,210,000 shares $68.56 million -12.2%7.4%5.1 $11.04 9/30/20217,070,000 shares $72.26 million +16.5%8.4%4.5 $10.22 9/15/20216,070,000 shares $71.02 million +1.0%7.2%3.8 $11.70 8/31/20216,010,000 shares $69.90 million -6.1%7.1%4.1 $11.63 8/13/20216,400,000 shares $79.36 million -21.4%7.6%4.7 $12.40Man who predicted $100K Bitcoin sees a huge run coming for another coin … (Ad)Sure enough, Bitcoin took off on the exact day Juan said it would. It's up more than 40% since the election … surpassing $100,000 on Dec. 8 .… Now Juan believes it could hit $150,000 … or higher in 2025.There's another coin he thinks could do even better. 7/30/20218,140,000 shares $105.82 million +11.2%9.7%6.5 $13.00 7/15/20217,320,000 shares $181.83 million -4.3%8.7%6 $24.84 6/30/20217,650,000 shares $203.72 million -10.3%9.1%7 $26.63 6/15/20218,530,000 shares $216.49 million -3.0%10.1%5.7 $25.38 5/28/20218,790,000 shares $186.79 million +5.3%10.5%5.8 $21.25 5/14/20218,350,000 shares $175.68 million -1.3%9.9%4.9 $21.04 4/30/20218,460,000 shares $190.43 million +2.4%10.1%5 $22.51 4/15/20218,260,000 shares $159.09 million -5.6%N/A0 $19.26 3/31/20218,750,000 shares $272.21 million +2.8%10.5%6 $31.11 3/15/20218,510,000 shares $299.13 million -9.0%10.3%8.7 $35.15 2/26/20219,350,000 shares $466.19 million +48.4%11.3%10 $49.86 2/12/20216,300,000 shares $344.80 million -9.4%7.6%9 $54.73 1/29/20216,950,000 shares $340.48 million -13.7%8.4%9.6 $48.99 1/15/20218,050,000 shares $346.63 million +15.0%9.7%10.7 $43.06 12/31/20207,000,000 shares $265.79 million -2.9%8.4%9.9 $37.97 12/15/20207,210,000 shares $316.59 million -12.9%8.7%10.1 $43.91 11/30/20208,280,000 shares $332.61 million -4.4%10.0%12.4 $40.17 11/15/20208,660,000 shares $364.50 million +7.4%10.4%11.7 $42.09 10/30/20208,060,000 shares $314.42 million -5.4%9.7%11.2 $39.01 10/15/20208,520,000 shares $399.42 million +12.3%10.3%12.4 $46.88 9/30/20207,590,000 shares $312.10 million +9.8%9.2%11.2 $41.12 9/15/20206,910,000 shares $304.52 million +16.1%8.4%10.5 $44.07 8/31/20205,950,000 shares $266.74 million -9.7%7.2%8.7 $44.83 8/14/20206,590,000 shares $291.34 million -7.3%8.0%9.9 $44.21 7/31/20207,110,000 shares $287.74 million -3.0%8.6%10.4 $40.47 7/15/20207,330,000 shares $308.30 million -2.0%9.0%10.2 $42.06 6/30/20207,480,000 shares $303.61 million +13.7%9.2%10.5 $40.59 6/15/20206,580,000 shares $251.09 million -1.9%8.1%8.9 $38.16 5/29/20206,710,000 shares $224.38 million +0.3%8.2%8.8 $33.44 FGEN Short Interest - Frequently Asked Questions What is FibroGen's current short interest? Short interest is the volume of FibroGen shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 3,760,000 shares of FGEN short. Learn More on FibroGen's current short interest. What is a good short interest ratio for FibroGen? 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. FGEN shares currently have a short interest ratio of 1.0. Learn More on FibroGen's short interest ratio. Which institutional investors are shorting FibroGen? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of FibroGen: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is FibroGen's short interest increasing or decreasing? FibroGen saw a drop in short interest in the month of April. As of April 30th, there was short interest totaling 3,760,000 shares, a drop of 10.0% from the previous total of 4,180,000 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. How does FibroGen's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to FibroGen: Fate Therapeutics, Inc. (11.64%), Theratechnologies Inc. (2.20%), Alector, Inc. (7.09%), Enanta Pharmaceuticals, Inc. (14.93%), Coherus BioSciences, Inc. (28.09%), Vigil Neuroscience, Inc. (1.59%), Compugen Ltd. (1.93%), RAPT Therapeutics, Inc. (2.71%), Silence Therapeutics plc (4.91%), C4 Therapeutics, Inc. (9.03%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short FibroGen stock? Short selling FGEN is an investing strategy that aims to generate trading profit from FibroGen as its price is falling. FGEN shares are trading down $0.00 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 FibroGen? A short squeeze for FibroGen 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 FGEN, which in turn drives the price of the stock up even further. How often is FibroGen'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 FGEN, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Fate Therapeutics Short Interest Data Theratechnologies Short Interest Data Alector Short Interest Data Enanta Pharmaceuticals Short Interest Data Coherus BioSciences Short Interest Data Vigil Neuroscience Short Interest Data Compugen Short Interest Data RAPT Therapeutics Short Interest Data Silence Therapeutics Short Interest Data C4 Therapeutics Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:FGEN) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | SponsoredElon just did WHAT!?As you may recall, Biden and the Fed were working on a central bank digital currency, or CBDC. 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