Regeneron Pharmaceuticals (REGN) Short Interest Ratio & Short Volume $681.58 -11.65 (-1.68%) As of 01/17/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Regeneron Pharmaceuticals Short Interest DataRegeneron Pharmaceuticals (REGN) has a short interest of 2.10 million shares. This marks a 11.70% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.6, indicating that it would take 2.6 days of the average trading volume of 678,713 shares to cover all short positions.Current Short Interest2,100,000 sharesPrevious Short Interest1,880,000 sharesChange Vs. Previous Month+11.70%Dollar Volume Sold Short$1.50 billionShort Interest Ratio2.6 Days to CoverLast Record DateDecember 31, 2024Outstanding Shares109,890,000 sharesPercentage of Shares Shorted1.91%Today's Trading Volume1,107,622 sharesAverage Trading Volume678,713 sharesToday's Volume Vs. Average163% Short Selling Regeneron Pharmaceuticals? Sign up to receive the latest short interest report for Regeneron Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartREGN Short Interest Over TimeREGN Days to Cover Over TimeREGN Percentage of Float Shorted Over Time Regeneron Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 12/31/20242,100,000 shares $1.50 billion +11.7%N/A2.6 $712.33 12/15/20241,880,000 shares $1.37 billion +4.4%N/A2.2 $731.30 11/30/20241,800,000 shares $1.35 billion +0.6%N/A2.3 $750.22 11/15/20241,790,000 shares $1.35 billion -3.2%N/A2.5 $756.81 10/31/20241,850,000 shares $1.55 billion +7.6%N/A2.9 $838.20 10/15/20241,720,000 shares $1.75 billion -0.6%N/A3 $1,016.53 9/30/20241,730,000 shares $1.82 billion -12.6%N/A3.3 $1,051.24 9/15/20241,980,000 shares $2.28 billion -5.7%N/A4.1 $1,153.35 8/31/20242,100,000 shares $2.49 billion -0.5%N/A4.6 $1,184.69 8/15/20242,110,000 shares $2.48 billion +5.0%N/A4.7 $1,175.33 Get the Latest News and Ratings for REGN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Regeneron Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 7/31/20242,010,000 shares $2.17 billion +6.4%N/A4.6 $1,079.19 7/15/20241,890,000 shares $2.05 billion -7.4%N/A4.3 $1,082.11 6/30/20242,040,000 shares $2.14 billion +10.3%N/A4.5 $1,051.03 6/15/20241,850,000 shares $1.92 billion +5.7%N/A4.1 $1,036.52 5/31/20241,750,000 shares $1.72 billion +7.4%N/A4 $980.16 5/15/20241,630,000 shares $1.59 billion +3.8%N/A3.7 $978.21 4/30/20241,570,000 shares $1.40 billion +13.0%N/A3.4 $890.66 4/15/20241,390,000 shares $1.25 billion -2.1%N/A3 $898.56 3/31/20241,420,000 shares $1.37 billion +2.2%N/A3 $962.49 3/15/20241,390,000 shares $1.34 billion +2.2%N/A2.7 $964.47 2/29/20241,360,000 shares $1.31 billion -0.7%N/A2.4 $966.09 2/15/20241,370,000 shares $1.31 billion +9.6%N/A2.4 $954.73 1/31/20241,250,000 shares $1.18 billion +16.8%N/A2.2 $942.78 1/15/20241,070,000 shares $998.52 million +0.9%1.0%1.9 $933.20 12/31/20231,060,000 shares $930.99 million -13.1%1.0%2 $878.29 12/15/20231,220,000 shares $1.05 billion -0.8%1.2%2.4 $859.14 11/30/20231,230,000 shares $1.01 billion -12.1%1.2%2.7 $823.81 11/15/20231,400,000 shares $1.11 billion +6.9%1.3%3.3 $792.38 10/31/20231,310,000 shares $1.02 billion -4.4%1.3%3 $779.89 10/15/20231,370,000 shares $1.15 billion +16.1%1.3%3 $839.63 9/30/20231,180,000 shares $971.09 million -18.6%1.1%2.4 $822.96 9/15/20231,450,000 shares $1.19 billion -2.0%1.4%2.5 $823.40 8/31/20231,480,000 shares $1.22 billion +8.8%1.4%2.5 $826.49 8/15/20231,360,000 shares $1.10 billion +1.5%1.3%2.1 $805.91 7/31/20231,340,000 shares $994.16 million +5.5%1.3%2.1 $741.91 7/15/20231,270,000 shares $912.52 million +17.6%N/A2 $718.52 6/30/20231,080,000 shares $776.02 million -12.2%N/A1.8 $718.54 6/15/20231,230,000 shares $963.18 million +7.9%N/A2.2 $783.07 5/31/20231,140,000 shares $838.54 million -5.8%N/A2 $735.56 5/15/20231,210,000 shares $908.66 million +2.5%N/A2.1 $750.96WARNING: “Buffett Indicator” flashing for first time in 50 years (Ad)Warren Buffett has sold a staggering $97 billion worth of stocks this year... But why? Our research indicates the Oracle of Omaha is quietly preparing for a historic market crash. His most reliable crash indicator - the "Buffett indicator" - just flashed red for the first time in 25 years.Take these 4 steps today to protect your retirement NOW 4/30/20231,180,000 shares $946.11 million -2.5%1.1%2 $801.79 4/15/20231,210,000 shares $1.00 billion -6.9%1.2%2 $829.33 3/31/20231,300,000 shares $1.07 billion +7.4%1.2%2 $821.67 3/15/20231,210,000 shares $919.96 million +0.8%1.2%1.9 $760.30 2/28/20231,200,000 shares $912.50 million -10.5%1.2%1.9 $760.42 2/15/20231,340,000 shares $1.01 billion -8.2%1.3%2.1 $752.40 1/31/20231,460,000 shares $1.11 billion +3.6%1.4%2.2 $758.47 1/15/20231,410,000 shares $1.02 billion -6.0%1.4%2.2 $722.13 12/30/20221,500,000 shares $1.08 billion +4.2%1.5%2.2 $721.49 12/15/20221,440,000 shares $1.05 billion -7.1%1.4%2.1 $731.27 11/30/20221,550,000 shares $1.17 billion -11.9%1.5%2.1 $751.70 11/15/20221,760,000 shares $1.28 billion -0.6%1.7%2.3 $728.73 10/31/20221,770,000 shares $1.33 billion -16.1%1.7%2.3 $748.75 10/15/20222,110,000 shares $1.55 billion -7.5%2.1%2.8 $736.06 9/30/20222,280,000 shares $1.57 billion -3.8%2.2%3.2 $688.87 9/15/20222,370,000 shares $1.67 billion -18.6%2.3%3.5 $705.85 8/31/20222,910,000 shares $1.69 billion -0.7%2.8%4.3 $581.06 8/15/20222,930,000 shares $1.88 billion -4.6%2.9%4.6 $643.29 7/31/20223,070,000 shares $1.79 billion +7.3%3.0%4.6 $581.69 7/15/20222,860,000 shares $1.74 billion +3.3%2.8%4.3 $607.54 6/30/20222,770,000 shares $1.64 billion +7.4%N/A4.1 $591.13 6/15/20222,580,000 shares $1.45 billion +23.4%N/A3.7 $561.19 5/31/20222,090,000 shares $1.39 billion -4.1%N/A3.1 $664.74 5/15/20222,180,000 shares $1.41 billion +0.9%N/A3.4 $645.52 4/30/20222,160,000 shares $1.42 billion +0.5%N/A3.2 $659.11 4/15/20222,150,000 shares $1.58 billion -2.3%2.1%3 $733.02 3/31/20222,200,000 shares $1.54 billion -8.0%2.1%3 $698.42 3/15/20222,390,000 shares $1.59 billion +6.7%2.3%3.3 $665.93 2/28/20222,240,000 shares $1.39 billion +4.7%2.2%3 $618.36 2/15/20222,140,000 shares $1.35 billion +19.6%2.1%2.8 $630.15 1/31/20221,790,000 shares $1.09 billion -1.7%1.7%2.4 $608.59 1/15/20221,820,000 shares $1.12 billion +11.0%1.8%2.4 $615.24 12/31/20211,640,000 shares $1.04 billion +7.2%1.6%2.2 $631.52 12/15/20211,530,000 shares $1.01 billion +3.4%1.5%1.9 $657.93 11/30/20211,480,000 shares $942.06 million -8.1%1.4%2 $636.53 11/15/20211,610,000 shares $1.04 billion -14.4%1.6%2.1 $647.73 10/29/20211,880,000 shares $1.20 billion +6.8%1.8%2.3 $639.94 10/15/20211,760,000 shares $973.70 million -2.2%1.7%2.2 $553.24 9/30/20211,800,000 shares $1.09 billion +14.7%1.8%2.4 $605.18 9/15/20211,570,000 shares $1.02 billion +15.4%1.5%2 $652.00 8/31/20211,360,000 shares $915.82 million -3.6%1.3%1.7 $673.40 8/13/20211,410,000 shares $880.95 million -11.3%1.4%1.8 $624.79 7/30/20211,590,000 shares $913.63 million -13.6%1.6%2.1 $574.61 7/15/20211,840,000 shares $1.08 billion +30.5%1.8%2.4 $589.32 6/30/20211,410,000 shares $787.54 million -26.6%1.4%1.8 $558.54 6/15/20211,920,000 shares $1.01 billion -9.0%1.9%2.4 $527.49 5/28/20212,110,000 shares $1.06 billion -5.4%2.1%2.6 $502.43 5/14/20212,230,000 shares $1.15 billion -4.7%2.2%2.6 $517.17 4/30/20212,340,000 shares $1.13 billion -14.9%2.3%2.5 $485.00 4/15/20212,750,000 shares $1.32 billion +24.4%2.7%2.8 $481.16WARNING: “Buffett Indicator” flashing for first time in 50 years (Ad)Warren Buffett has sold a staggering $97 billion worth of stocks this year... But why? Our research indicates the Oracle of Omaha is quietly preparing for a historic market crash. His most reliable crash indicator - the "Buffett indicator" - just flashed red for the first time in 25 years.Take these 4 steps today to protect your retirement NOW 3/31/20212,210,000 shares $1.04 billion -16.9%2.2%2.1 $470.67 3/15/20212,660,000 shares $1.25 billion +14.7%2.6%2.6 $471.46 2/26/20212,320,000 shares $1.05 billion +10.0%2.3%2.2 $453.19 2/12/20212,110,000 shares $1.04 billion +8.8%2.1%2 $490.54 1/29/20211,940,000 shares $982.16 million -18.8%1.9%2 $506.27 1/15/20212,390,000 shares $1.24 billion +6.2%2.4%2.6 $517.91 12/31/20202,250,000 shares $1.08 billion +14.8%2.2%2.4 $478.30 12/15/20201,960,000 shares $980.74 million -8.0%1.9%1.9 $500.38 11/30/20202,130,000 shares $1.09 billion +6.0%2.1%2.2 $514.05 11/15/20202,010,000 shares $1.14 billion -7.4%2.0%2.1 $566.43 10/30/20202,170,000 shares $1.21 billion -6.9%2.1%2.4 $555.79 10/15/20202,330,000 shares $1.40 billion +13.7%2.3%2.7 $600.82 9/30/20202,050,000 shares $1.15 billion +28.1%2.0%2.4 $559.78 9/15/20201,600,000 shares $927.84 million +0.6%1.6%2.1 $579.90 8/31/20201,590,000 shares $985.69 million -0.6%1.6%2 $619.93 8/14/20201,600,000 shares $980.11 million -15.3%1.6%1.4 $612.57 7/31/20201,890,000 shares $1.19 billion -5.0%1.9%1.5 $632.07 7/15/20201,990,000 shares $1.28 billion -6.1%1.9%1.5 $641.23 6/30/20202,120,000 shares $1.32 billion -14.2%2.0%1.5 $623.65 6/15/20202,470,000 shares $1.46 billion +24.1%2.3%1.7 $590.57 5/29/20201,990,000 shares $1.22 billion +11.8%1.9%1.3 $612.81 5/15/20201,780,000 shares $1.03 billion -4.8%2.1%1.2 $576.72 4/30/20201,870,000 shares $983.40 million -7.0%2.2%1.4 $525.88 4/15/20202,010,000 shares $1.03 billion +12.9%2.5%1.5 $511.69 3/31/20201,780,000 shares $1.01 billion -30.4%2.2%1.4 $566.21 3/13/20202,558,900 shares $1.31 billion -11.2%3.1%2 $512.96 2/28/20202,880,000 shares $1.31 billion +8.7%3.5%2.9 $455.63 2/14/20202,650,000 shares $1.26 billion -8.3%3.2%3 $475.02 1/31/20202,890,000 shares $1.32 billion +10.3%3.5%3.5 $457.92 REGN Short Interest - Frequently Asked Questions What is Regeneron Pharmaceuticals' current short interest? Short interest is the volume of Regeneron Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of December 31st, investors have sold 2,100,000 shares of REGN short. Learn More on Regeneron Pharmaceuticals' current short interest. What is a good short interest ratio for Regeneron Pharmaceuticals? 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. REGN shares currently have a short interest ratio of 3.0. Learn More on Regeneron Pharmaceuticals's short interest ratio. Which institutional investors are shorting Regeneron Pharmaceuticals? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Regeneron Pharmaceuticals: XR Securities LLC, SG Americas Securities LLC, JPMorgan Chase & Co., Barclays PLC, Jane Street Group LLC, Wolverine Trading LLC, Readystate Asset Management LP, Point72 DIFC Ltd, Point72 Asset Management L.P., Parallax Volatility Advisers L.P., Centiva Capital LP, Garda Capital Partners LP, Verition Fund Management LLC, Capstone Investment Advisors LLC, Walleye Trading LLC, Walleye Capital LLC, PEAK6 Investments LLC, BNP Paribas Financial Markets, Covenant Asset Management LLC, Citigroup Inc., Mirae Asset Securities USA Inc., SpiderRock Advisors LLC, and XR Securities LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Regeneron Pharmaceuticals' short interest increasing or decreasing? Regeneron Pharmaceuticals saw a increase in short interest during the month of December. As of December 31st, there was short interest totaling 2,100,000 shares, an increase of 11.7% from the previous total of 1,880,000 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 Regeneron Pharmaceuticals' short interest compare to its competitors? Here is how the short interest of companies in the industry of "biotechnology" compare to Regeneron Pharmaceuticals: Amgen Inc. (2.08%), Gilead Sciences, Inc. (2.07%), Vertex Pharmaceuticals Incorporated (1.54%), Alnylam Pharmaceuticals, Inc. (2.60%), Biogen Inc. (2.54%), United Therapeutics Co. (4.38%), Neurocrine Biosciences, Inc. (3.31%), Incyte Co. (2.69%), BioMarin Pharmaceutical Inc. (2.38%), Exact Sciences Co. (5.78%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Co. ($5.83 billion), Charter Communications, Inc. ($3.77 billion), Reddit, Inc. ($2.98 billion), The Kroger Co. ($2.97 billion), International Paper ($2.64 billion), SoFi Technologies, Inc. ($1.99 billion), Rivian Automotive, Inc. ($1.93 billion), Onsemi ($1.81 billion), SoundHound AI, Inc. ($1.59 billion), and Moderna, Inc. ($1.57 billion). View all of the most shorted stocks. What does it mean to sell short Regeneron Pharmaceuticals stock? Short selling REGN is an investing strategy that aims to generate trading profit from Regeneron Pharmaceuticals as its price is falling. REGN shares are trading down $11.65 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 Regeneron Pharmaceuticals? A short squeeze for Regeneron Pharmaceuticals 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 REGN, which in turn drives the price of the stock up even further. How often is Regeneron Pharmaceuticals' 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 REGN, twice per month. The most recent reporting period available is December, 31 2024. More Short Interest Resources from MarketBeat Related Companies AMGN Short Interest Data GILD Short Interest Data VRTX Short Interest Data ALNY Short Interest Data BIIB Short Interest Data UTHR Short Interest Data NBIX Short Interest Data INCY Short Interest Data BMRN Short Interest Data EXAS 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:REGN) was last updated on 1/21/2025 by MarketBeat.com Staff From Our PartnersCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... 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