Fulcrum Therapeutics (FULC) Short Interest Ratio & Short Volume $6.63 -0.22 (-3.20%) As of 02:04 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Fulcrum Therapeutics Short Interest DataFulcrum Therapeutics (FULC) has a short interest of 5.02 million shares, representing 9.98% of the float (the number of shares available for trading by the public). This marks a 2.03% increase in short interest from the previous month. The short interest ratio (days to cover) is 7.1, indicating that it would take 7.1 days of the average trading volume of 586,516 shares to cover all short positions.Current Short Interest5,020,000 sharesPrevious Short Interest4,920,000 sharesChange Vs. Previous Month+2.03%Dollar Volume Sold Short$33.78 millionShort Interest Ratio7.1 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares54,090,000 sharesShort Percent of Float9.98%Today's Trading Volume102,473 sharesAverage Trading Volume586,516 sharesToday's Volume Vs. Average17% Short Selling Fulcrum Therapeutics? Sign up to receive the latest short interest report for Fulcrum Therapeutics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFULC Short Interest Over TimeFULC Days to Cover Over TimeFULC Percentage of Float Shorted Over Time Fulcrum Therapeutics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20255,020,000 shares $33.78 million +2.0%10.0%7.1 $6.73 7/15/20254,920,000 shares $38.57 million -12.8%N/A7.8 $7.84 6/30/20255,640,000 shares $38.80 million -3.1%11.2%9.2 $6.88 6/15/20255,820,000 shares $39.87 million +2.5%11.6%10.8 $6.85 5/31/20255,680,000 shares $38.96 million +15.2%11.0%10.2 $6.86 5/15/20254,930,000 shares $32.54 million +45.0%9.5%8.9 $6.60 4/30/20253,400,000 shares $13.09 million -4.5%N/A6.8 $3.85 4/15/20253,560,000 shares $10.82 million -4.6%6.9%8.9 $3.04 3/31/20253,730,000 shares $10.74 million -28.5%7.2%8.3 $2.88 3/15/20255,220,000 shares $16.29 million +6.1%10.1%8.3 $3.12 Get the Latest News and Ratings for FULC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Fulcrum Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 2/28/20254,920,000 shares $17.66 million +10.8%9.5%7.2 $3.59 2/15/20254,440,000 shares $16.38 million +2.5%8.6%6.1 $3.69 1/31/20254,330,000 shares $17.15 million -7.3%N/A5.2 $3.96 1/15/20254,670,000 shares $19.15 million +10.4%N/A5.4 $4.10 12/31/20244,230,000 shares $19.88 million -0.7%N/A4.8 $4.70 12/15/20244,260,000 shares $16.87 million -7.0%N/A4.1 $3.96 11/30/20244,580,000 shares $17.63 million -2.1%N/A2.7 $3.85 11/15/20244,680,000 shares $14.06 million -5.8%N/A2.8 $3.01 10/31/20244,970,000 shares $15.71 million -10.0%N/A3.1 $3.16 10/15/20245,520,000 shares $20.20 million -6.4%N/A3.3 $3.66 9/30/20245,900,000 shares $21.06 million -48.3%N/A3.5 $3.57 9/15/202411,400,000 shares $36.25 million +41.4%N/A6.8 $3.18 8/31/20248,060,000 shares $68.91 million -1.1%N/A8.7 $8.55 8/15/20248,150,000 shares $78.97 million +6.1%N/A9 $9.69 7/31/20247,680,000 shares $71.27 million +5.8%N/A8.8 $9.28 7/15/20247,260,000 shares $61.35 million +37.2%N/A9.3 $8.45 6/30/20245,290,000 shares $32.80 million +36.3%N/A7.2 $6.20 6/15/20243,880,000 shares $28.91 million +8.1%N/A6.8 $7.45 5/31/20243,590,000 shares $28.18 million +16.2%N/A6.7 $7.85 5/15/20243,090,000 shares $25.49 million +3.0%N/A5 $8.25 4/30/20243,000,000 shares $21.39 million +18.6%N/A5 $7.13 4/15/20242,530,000 shares $18.62 million +12.0%N/A4 $7.36 3/31/20242,260,000 shares $21.33 million -5.4%N/A3.4 $9.44 3/15/20242,390,000 shares $27.15 million -25.3%N/A3.4 $11.36 2/29/20243,200,000 shares $32.67 million -0.6%N/A4.5 $10.21 2/15/20243,220,000 shares $30.27 million -4.7%N/A5.1 $9.40 1/31/20243,380,000 shares $24.40 million -16.3%N/A5.5 $7.22 1/15/20244,040,000 shares $28.68 million +10.1%N/A6.7 $7.10 12/31/20233,670,000 shares $24.77 million +10.2%N/A6.5 $6.75 12/15/20233,330,000 shares $17.95 million -18.0%N/A6.2 $5.39The stealth altcoin the financial world is underestimating (Ad)This DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening RIGHT NOW—this project is poised to see massive moves.... The smart money is already positioning.Discover the protocol that's quietly replacing traditional finance. 11/30/20234,060,000 shares $19.49 million +9.7%N/A7.8 $4.80 11/15/20233,700,000 shares $15.47 million -6.3%N/A6.1 $4.18 10/31/20233,950,000 shares $14.38 million +1.0%N/A2 $3.64 10/15/20233,910,000 shares $15.21 million -2.7%N/A1.9 $3.89 9/30/20234,020,000 shares $17.85 million +7.5%N/A2 $4.44 9/15/20233,740,000 shares $16.79 million +5.1%N/A1.8 $4.49 8/31/20233,560,000 shares $19.69 million +30.4%N/A1.7 $5.53 8/15/20232,730,000 shares $11.55 million -22.2%N/A1.3 $4.23 7/31/20233,510,000 shares $13.41 million +0.3%N/A5 $3.82 7/15/20233,500,000 shares $12.88 million -4.1%N/A4.6 $3.68 6/30/20233,650,000 shares $12.05 million -19.3%N/A4.6 $3.30 6/15/20234,520,000 shares $13.74 million +9.4%N/A5.3 $3.04 5/31/20234,130,000 shares $11.23 million +4.8%N/A4.1 $2.72 5/15/20233,940,000 shares $14.34 million -17.6%N/A3.2 $3.64 4/30/20234,780,000 shares $11.95 million -6.6%N/A3.9 $2.50 4/15/20235,120,000 shares $12.34 million +3.6%N/A4.2 $2.41 3/31/20234,940,000 shares $14.08 million +25.1%N/A3.8 $2.85 3/15/20233,950,000 shares $15.01 million -2.5%N/A3.1 $3.80 2/28/20234,050,000 shares $24.46 million +7.7%N/A3.8 $6.04 2/15/20233,760,000 shares $48.69 million +6.2%N/A3.8 $12.95 1/31/20233,540,000 shares $44.64 million +6.6%N/A4.6 $12.61 1/15/20233,320,000 shares $45.48 million -7.3%N/A4.6 $13.70 12/30/20223,580,000 shares $26.06 million +21.0%N/A5.7 $7.28 12/15/20222,960,000 shares $16.22 million -9.2%N/A6.1 $5.48 11/30/20223,260,000 shares $22.33 million -4.4%N/A8.5 $6.85 11/15/20223,410,000 shares $24.48 million -2.0%N/A8.9 $7.18 10/31/20223,480,000 shares $19.35 million +0.6%N/A8 $5.56 10/15/20223,460,000 shares $25.95 million -3.9%N/A7.5 $7.50 9/30/20223,600,000 shares $29.12 million -7.2%N/A8.4 $8.09 9/15/20223,880,000 shares $35.31 million +13.8%N/A8.4 $9.10 8/31/20223,410,000 shares $25.23 million +5.3%N/A5.3 $7.40 8/15/20223,240,000 shares $25.34 million -8.2%N/A4.6 $7.82 7/31/20223,530,000 shares $20.76 million -6.1%12.0%4.8 $5.88 7/15/20223,760,000 shares $20.27 million +1.4%12.8%5.1 $5.39 6/30/20223,710,000 shares $18.18 million +6.6%12.6%4.3 $4.90 6/15/20223,480,000 shares $15.35 million -7.0%11.8%3.9 $4.41 5/31/20223,740,000 shares $26.63 million +9.4%12.7%5 $7.12 5/15/20223,420,000 shares $28.32 million -21.7%11.6%4.7 $8.28 4/30/20224,370,000 shares $42.04 million +63.1%15.1%6.4 $9.62 4/15/20222,680,000 shares $35.48 million -0.4%9.3%4.4 $13.24 3/31/20222,690,000 shares $63.62 million -5.0%9.3%5.4 $23.65 3/15/20222,830,000 shares $44.52 million +12.8%9.8%6.6 $15.73 2/28/20222,510,000 shares $27.61 million -4.9%8.4%6 $11.00 2/15/20222,640,000 shares $29.81 million +25.7%8.8%6.5 $11.29 1/31/20222,100,000 shares $25.54 million +17.3%7.2%4.7 $12.16 1/15/20221,790,000 shares $24.92 million -2.7%N/A0 $13.92 12/31/20211,840,000 shares $32.55 million +8.2%6.1%4.1 $17.69 12/15/20211,700,000 shares $28.56 million -18.7%5.6%3.4 $16.80 11/30/20212,090,000 shares $30.31 million -31.0%6.9%3.9 $14.50 11/15/20213,030,000 shares $54.12 million +47.1%10.0%5.5 $17.86The stealth altcoin the financial world is underestimating (Ad)This DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening RIGHT NOW—this project is poised to see massive moves.... The smart money is already positioning.Discover the protocol that's quietly replacing traditional finance. 10/29/20212,060,000 shares $45.61 million -0.5%6.9%0.6 $22.14 10/15/20212,070,000 shares $53.82 million +0.5%6.8%0.6 $26.00 9/30/20212,060,000 shares $58.11 million +21.2%6.7%0.6 $28.21 9/15/20211,700,000 shares $45.85 million +4.9%5.9%0.5 $26.97 8/31/20211,620,000 shares $48.11 million -35.5%6.2%0.5 $29.70 8/13/20212,510,000 shares $57.55 million +261.2%13.1%0.8 $22.93 7/30/2021695,000 shares $5.08 million -7.4%4.4%0.4 $7.31 7/15/2021750,400 shares $7.02 million -12.2%4.7%4.9 $9.36 6/30/2021855,000 shares $8.96 million +29.1%5.4%6 $10.48 6/15/2021662,500 shares $5.59 million -2.4%4.2%5.9 $8.44 5/28/2021678,600 shares $6.06 million -5.4%4.3%7.7 $8.93 5/14/2021717,100 shares $7.09 million -3.6%4.5%8 $9.89 4/30/2021743,500 shares $8.35 million -3.6%4.8%7.4 $11.23 4/15/2021771,100 shares $9.23 million +0.5%3.6%6.4 $11.97 3/31/2021767,600 shares $8.77 million +8.9%3.6%5.4 $11.43 3/15/2021705,000 shares $8.62 million +2.0%3.3%4.6 $12.22 2/26/2021691,000 shares $8.82 million -4.6%3.2%4.6 $12.77 2/12/2021724,100 shares $9.70 million +2.4%3.5%4.5 $13.40 1/29/2021707,500 shares $7.96 million -21.8%4.1%4.3 $11.25 1/15/2021904,800 shares $10.27 million -9.5%5.3%5.3 $11.35 12/31/20201,000,000 shares $12.69 million +13.2%6.8%6 $12.69 12/15/2020883,700 shares $11.80 million -5.1%6.0%4.7 $13.35 11/30/2020931,000 shares $10.74 million -9.6%6.3%4.6 $11.54 11/15/20201,030,000 shares $13.03 million -22.0%7.0%5.1 $12.65 10/30/20201,320,000 shares $13.11 million +9.1%9.7%5.5 $9.93 10/15/20201,210,000 shares $13.64 million +5.2%8.9%5 $11.27 9/30/20201,150,000 shares $9.12 million +34.6%8.5%5.4 $7.93 9/15/2020854,200 shares $6.65 million +14.7%6.3%4.3 $7.78 8/31/2020745,000 shares $5.42 million +91.8%5.5%4.2 $7.27 8/14/2020388,400 shares $2.96 million -22.2%2.9%2.5 $7.62 FULC Short Interest - Frequently Asked Questions What is Fulcrum Therapeutics' current short interest? Short interest is the volume of Fulcrum Therapeutics shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 4,920,000 shares of FULC short. Learn More on Fulcrum Therapeutics' current short interest. What is a good short interest ratio for Fulcrum Therapeutics? 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. FULC shares currently have a short interest ratio of 8.0. Learn More on Fulcrum Therapeutics's short interest ratio. Is Fulcrum Therapeutics' short interest increasing or decreasing? Fulcrum Therapeutics saw a decline in short interest during the month of July. As of July 15th, there was short interest totaling 4,920,000 shares, a decline of 12.8% from the previous total of 5,640,000 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 Fulcrum Therapeutics' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Fulcrum Therapeutics: Schrodinger, Inc. (15.14%), Dyne Therapeutics, Inc. (11.06%), Evotec AG (0.19%), Janux Therapeutics, Inc. (19.48%), Travere Therapeutics, Inc. (14.43%), ANI Pharmaceuticals, Inc. (9.83%), Aurinia Pharmaceuticals Inc (8.91%), WAVE Life Sciences Ltd. (10.31%), 89BIO (10.42%), Vera Therapeutics, Inc. (18.11%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Fulcrum Therapeutics stock? Short selling FULC is an investing strategy that aims to generate trading profit from Fulcrum Therapeutics as its price is falling. FULC shares are trading up $0.31 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 Fulcrum Therapeutics? A short squeeze for Fulcrum Therapeutics 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 FULC, which in turn drives the price of the stock up even further. How often is Fulcrum Therapeutics' 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 FULC, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies Schrodinger Short Interest Data Dyne Therapeutics Short Interest Data Evotec Short Interest Data Janux Therapeutics Short Interest Data Travere Therapeutics Short Interest Data ANI Pharmaceuticals Short Interest Data Aurinia Pharmaceuticals Short Interest Data WAVE Life Sciences Short Interest Data 89BIO Short Interest Data Vera 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:FULC) was last updated on 8/14/2025 by MarketBeat.com Staff From Our PartnersGenerate up to $5,000/month with 10X less money?The secret to retiring without a million-dollar nest egg. I'm talking about generating enough monthly inco...Investors Alley | SponsoredHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. 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