Fulcrum Therapeutics (FULC) Short Interest Ratio & Short Volume $6.83 -0.07 (-1.01%) Closing price 06/11/2025 04:00 PM EasternExtended Trading$6.83 0.00 (0.00%) As of 03:59 AM 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 InterestTrendsBuy This Stock Fulcrum Therapeutics Short Interest DataFulcrum Therapeutics (FULC) has a short interest of 5.68 million shares, representing 10.98% of the float (the number of shares available for trading by the public). This marks a 15.21% increase in short interest from the previous month. The short interest ratio (days to cover) is 10.2, indicating that it would take 10.2 days of the average trading volume of 963,015 shares to cover all short positions.Current Short Interest5,680,000 sharesPrevious Short Interest4,930,000 sharesChange Vs. Previous Month+15.21%Dollar Volume Sold Short$38.96 millionShort Interest Ratio10.2 Days to CoverLast Record DateMay 31, 2025Outstanding Shares53,979,000 sharesShort Percent of Float10.98%Today's Trading Volume464,290 sharesAverage Trading Volume963,015 sharesToday's Volume Vs. Average48% 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 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 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 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. 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 $5.39 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 $3.89The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 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 $17.86 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 $26.97Trump wipes out trillions overnight… (Ad)Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out nearly $5 trillion in wealth from the S&P 500 and $6.4 trillion from the Dow Jones… Not to mention the countless trillions of dollars lost in every market around the world… leaving the major political powers scrambling in fear of Trump’s next move.Whether you take some of that wealth for yourself depends on if you watch this controversial exposé 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 7/31/2020499,200 shares $7.92 million +6.1%3.6%4.4 $15.87 7/15/2020470,600 shares $8.31 million -37.3%3.4%5.5 $17.66 6/30/2020751,000 shares $13.74 million +35.6%6.5%9 $18.29 6/15/2020553,700 shares $9.62 million +2.1%5.6%6.6 $17.37 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 covered or closed out. As of May 31st, investors have sold 5,680,000 shares of FULC short. 10.98% of Fulcrum Therapeutics' shares are currently sold 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 10.0. Learn More on Fulcrum Therapeutics's short interest ratio. Which institutional investors are shorting Fulcrum Therapeutics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Fulcrum Therapeutics: Belvedere Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Fulcrum Therapeutics? 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. 10.98% of Fulcrum Therapeutics' floating shares are currently sold short. Is Fulcrum Therapeutics' short interest increasing or decreasing? Fulcrum Therapeutics saw a increase in short interest in May. As of May 31st, there was short interest totaling 5,680,000 shares, an increase of 15.2% from the previous total of 4,930,000 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? 10.98% of Fulcrum Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Fulcrum Therapeutics: Janux Therapeutics, Inc. (21.55%), 89bio, Inc. (13.50%), Adaptive Biotechnologies Co. (6.96%), Dyne Therapeutics, Inc. (31.66%), ARS Pharmaceuticals, Inc. (31.29%), Evotec SE (0.23%), Travere Therapeutics, Inc. (16.64%), ANI Pharmaceuticals, Inc. (10.35%), Mesoblast Limited (2.53%), Ocular Therapeutix, Inc. (9.40%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 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 down $0.07 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 May, 31 2025. More Short Interest Resources from MarketBeat Related Companies Janux Therapeutics Short Interest Data 89bio Short Interest Data Adaptive Biotechnologies Short Interest Data Dyne Therapeutics Short Interest Data ARS Pharmaceuticals Short Interest Data Evotec Short Interest Data Travere Therapeutics Short Interest Data ANI Pharmaceuticals Short Interest Data Mesoblast Short Interest Data Ocular Therapeutix 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 6/12/2025 by MarketBeat.com Staff From Our PartnersNew Rule Hits in July — The Smart Money Already MovedA little-known regulation quietly goes into effect this July. 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