Penumbra (PEN) Short Interest Ratio & Short Volume $236.31 -5.76 (-2.38%) (As of 11/12/2024 ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Penumbra Short Interest DataPenumbra (PEN) has a short interest of 2.26 million shares. This marks a -14.72% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.5, indicating that it would take 5.5 days of the average trading volume of 384,653 shares to cover all short positions.Current Short Interest2,260,000 sharesPrevious Short Interest2,650,000 sharesChange Vs. Previous Month-14.72%Dollar Volume Sold Short$517.54 millionShort Interest Ratio5.5 Days to CoverLast Record DateOctober 31, 2024Outstanding Shares38,379,000 sharesPercentage of Shares Shorted5.89%Today's Trading Volume274,562 sharesAverage Trading Volume384,653 sharesToday's Volume Vs. Average71% Short Selling Penumbra? Sign up to receive the latest short interest report for Penumbra and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPEN Short Interest Over TimePEN Days to Cover Over TimePEN Percentage of Float Shorted Over Time Ad Colonial MetalsTrump’s IRS Hands Massive ‘Victory Gift’ To 401K OwnersThe "Fake Media" has completely ignored Trump's genius "victory gift" to all America First patriots like you. A tax-free gift so powerful it could reshape the financial destinies of millions of IRA and 401(k) owners…Claim your FREE 2024 Gold Guide Penumbra Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/31/20242,260,000 shares $517.54 million -14.7%N/A5.5 $229.00 10/15/20242,650,000 shares $547.68 million +17.3%N/A5.9 $206.67 9/30/20242,260,000 shares $439.07 million -14.1%N/A4.9 $194.28 9/15/20242,630,000 shares $491.65 million +8.7%N/A5.6 $186.94 8/31/20242,420,000 shares $489.61 million -12.3%N/A5.2 $202.32 8/15/20242,760,000 shares $522.36 million +20.5%N/A6.1 $189.26 Get the Latest News and Ratings for PEN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Penumbra and its competitors with MarketBeat's FREE daily newsletter. 7/31/20242,290,000 shares $382.64 million -8.8%N/A5.5 $167.09 7/15/20242,510,000 shares $481.12 million No ChangeN/A7.2 $191.68 6/30/20242,510,000 shares $451.72 million +5.9%N/A7.6 $179.97 6/15/20242,370,000 shares $445.04 million +7.2%N/A6.8 $187.78 5/31/20242,210,000 shares $418.75 million +14.5%N/A6.4 $189.48 5/15/20241,930,000 shares $395.15 million -9.4%N/A5.3 $204.74 4/30/20242,130,000 shares $418.20 million +9.8%N/A5.7 $196.34 4/15/20241,940,000 shares $407.73 million +0.5%N/A5.7 $210.17 3/31/20241,930,000 shares $430.74 million -2.0%N/A5.6 $223.18 3/15/20241,970,000 shares $437.38 million No ChangeN/A5.8 $222.02 2/29/20241,970,000 shares $462.47 million -9.6%N/A6.1 $234.76 2/15/20242,180,000 shares $595.72 million +0.5%N/A6.8 $273.27 1/31/20242,170,000 shares $547.25 million +3.8%N/A6 $252.19 1/15/20242,090,000 shares $540.04 million -1.9%N/A5.3 $258.39 12/31/20232,130,000 shares $535.78 million -5.8%N/A5.1 $251.54 12/15/20232,260,000 shares $554.78 million -2.2%N/A5.5 $245.48 11/30/20232,310,000 shares $513.00 million -7.6%N/A5.4 $222.08 11/15/20232,500,000 shares $569.69 million +4.6%N/A5.9 $227.88 10/31/20232,390,000 shares $457.21 million +0.8%N/A6.3 $191.30 10/15/20232,370,000 shares $465.52 million +5.3%N/A6.1 $196.42 9/30/20232,250,000 shares $544.30 million +0.5%N/A5.8 $241.91 9/15/20232,240,000 shares $599.42 million +1.8%N/A5.8 $267.60 8/31/20232,200,000 shares $582.18 million +2.8%N/A5.6 $264.63 8/15/20232,140,000 shares $556.40 million -18.9%N/A5.7 $260.00 7/31/20232,640,000 shares $800.69 million -17.8%N/A7 $303.29 7/15/20233,210,000 shares $1.01 billion -8.6%N/A8.6 $314.93 6/30/20233,510,000 shares $1.21 billion -2.0%N/A9.9 $344.16 6/15/20233,580,000 shares $1.21 billion +5.3%N/A10.2 $338.28 5/31/20233,400,000 shares $1.04 billion -0.6%N/A9.9 $307.34 5/15/20233,420,000 shares $1.08 billion -11.9%N/A9.2 $314.92 4/30/20233,880,000 shares $1.10 billion -0.5%N/A10.8 $284.12 4/15/20233,900,000 shares $1.08 billion -3.9%10.8%12.1 $277.62 3/31/20234,060,000 shares $1.13 billion +1.0%11.3%12.3 $278.69 3/15/20234,020,000 shares $1.03 billion -3.8%11.1%12.5 $257.003 Dirt-Cheap Stocks You Can’t Afford to Ignore (Ad)Often, investors will overlook stocks just because they're cheap. It's a common thought that a cheap price tag means that something must be wrong with the company. But this couldn't be further from the case in many instances.Get your FREE look at these THREE companies right here. 2/28/20234,180,000 shares $1.09 billion +4.0%11.7%12.3 $259.99 2/15/20234,020,000 shares $1.06 billion +5.0%11.2%11.8 $264.19 1/31/20233,830,000 shares $959.07 million +2.1%10.7%11.3 $250.41 1/15/20233,750,000 shares $891.68 million -0.5%10.5%10 $237.78 12/30/20223,770,000 shares $838.67 million +5.3%10.5%10.3 $222.46 12/15/20223,580,000 shares $801.24 million +9.2%10.0%9.9 $223.81 11/30/20223,280,000 shares $687.19 million +5.8%9.0%8.6 $209.51 11/15/20223,100,000 shares $607.57 million +10.7%8.5%8.6 $195.99 10/31/20222,800,000 shares $480.12 million +18.1%7.7%7.9 $171.47 10/15/20222,370,000 shares $426.46 million +2.2%6.6%7 $179.94 9/30/20222,320,000 shares $439.87 million +6.4%6.5%6 $189.60 9/15/20222,180,000 shares $441.76 million +4.3%6.1%5.5 $202.64 8/31/20222,090,000 shares $343.12 million +2.0%5.8%5.2 $164.17 8/15/20222,050,000 shares $358.11 million +0.5%5.7%5.4 $174.69 7/31/20222,040,000 shares $284.34 million -8.5%5.7%4.9 $139.38 7/15/20222,230,000 shares $273.18 million -0.5%6.3%5.8 $122.50 6/30/20222,240,000 shares $278.92 million +22.4%6.3%6.8 $124.52 6/15/20221,830,000 shares $223.46 million +18.8%5.1%5.5 $122.11 5/31/20221,540,000 shares $226.26 million +3.4%4.3%5.2 $146.92 5/15/20221,490,000 shares $213.44 million -10.2%4.2%5.4 $143.25 4/30/20221,660,000 shares $286.45 million -4.6%4.7%7 $172.56 4/15/20221,740,000 shares $344.07 million +1.2%4.9%8.2 $197.74 3/31/20221,720,000 shares $382.06 million +0.6%4.8%8.2 $222.13 3/15/20221,710,000 shares $326.70 million +2.4%4.8%9.3 $191.05 2/28/20221,670,000 shares $370.31 million +1.2%4.7%8.6 $221.74 2/15/20221,650,000 shares $382.09 million +2.5%4.6%8.8 $231.57 1/31/20221,610,000 shares $363.88 million -4.7%4.6%9.3 $226.01 1/15/20221,690,000 shares $401.51 million -2.9%4.8%9.9 $237.58 12/31/20211,740,000 shares $499.94 million -7.0%4.9%11.7 $287.32 12/15/20211,870,000 shares $474.87 million +21.4%5.3%13.1 $253.94 11/30/20211,540,000 shares $378.30 million +1.3%4.4%11 $245.65 11/15/20211,520,000 shares $391.35 million -13.6%4.3%10.6 $257.47 10/29/20211,760,000 shares $486.73 million -3.8%5.1%11.1 $276.55 10/15/20211,830,000 shares $489.98 million +5.8%5.3%11.3 $267.75 9/30/20211,730,000 shares $461.05 million +6.8%5.0%10.3 $266.50 9/15/20211,620,000 shares $467.99 million -1.8%4.7%9.6 $288.88 8/31/20211,650,000 shares $453.67 million -1.2%4.8%9.4 $274.95 8/13/20211,670,000 shares $430.29 million -3.5%4.9%8.1 $257.66 7/30/20211,730,000 shares $460.58 million +2.4%5.1%7.5 $266.23 7/15/20211,690,000 shares $423.72 million -2.3%4.9%7.1 $250.72 6/30/20211,730,000 shares $474.12 million -9.9%5.1%7.2 $274.06 6/15/20211,920,000 shares $530.44 million -6.8%5.6%7.4 $276.27 5/28/20212,060,000 shares $513.17 million -9.3%6.0%7.7 $249.11 5/14/20212,270,000 shares $546.62 million -13.0%6.6%8.2 $240.80 4/30/20212,610,000 shares $808.55 million -4.0%7.6%9.2 $309.79 4/15/20212,720,000 shares $756.81 million -2.2%8.0%7 $278.24 3/31/20212,780,000 shares $721.05 million -3.1%8.2%6.2 $259.37 3/15/20212,870,000 shares $799.98 million -5.9%8.4%5.4 $278.74 2/26/20213,050,000 shares $868.34 million -8.1%8.9%3.9 $284.70 2/12/20213,320,000 shares $908.48 million -9.3%9.8%4.1 $273.643 Dirt-Cheap Stocks You Can’t Afford to Ignore (Ad)Often, investors will overlook stocks just because they're cheap. It's a common thought that a cheap price tag means that something must be wrong with the company. But this couldn't be further from the case in many instances.Get your FREE look at these THREE companies right here. 1/29/20213,660,000 shares $965.29 million -39.6%10.8%4.4 $263.74 1/15/20216,060,000 shares $1.41 billion +2.2%17.8%7.2 $233.04 12/31/20205,930,000 shares $1.05 billion +6.3%17.5%7.8 $176.91 12/15/20205,580,000 shares $1.06 billion +23.2%16.4%7.7 $189.64 11/30/20204,530,000 shares $1.03 billion -1.3%13.3%7.2 $226.59 11/15/20204,590,000 shares $1.21 billion -0.4%13.5%10.1 $262.81 10/30/20204,610,000 shares $1.22 billion -3.0%13.6%10.9 $264.18 10/15/20204,750,000 shares $977.55 million +25.0%14.1%13.1 $205.80 9/30/20203,800,000 shares $738.64 million +21.4%11.3%11.3 $194.38 9/15/20203,130,000 shares $619.36 million +11.0%9.3%10.1 $197.88 8/31/20202,820,000 shares $589.80 million +19.0%8.4%10.5 $209.15 8/14/20202,370,000 shares $553.66 million -8.9%7.0%9.8 $233.61 7/31/20202,600,000 shares $614.41 million -6.5%7.8%10.5 $236.31 7/15/20202,780,000 shares $519.64 million -6.1%8.3%11.8 $186.92 6/30/20202,960,000 shares $529.31 million +5.7%8.8%12.1 $178.82 6/15/20202,800,000 shares $483 million -8.2%8.4%10.8 $172.50 5/29/20203,050,000 shares $525.88 million +1.0%9.1%9.9 $172.42 5/15/20203,020,000 shares $510.53 million -1.0%9.2%9 $169.05 4/30/20203,050,000 shares $546.99 million -5.0%9.4%9.1 $179.34 4/15/20203,210,000 shares $549.20 million +0.9%9.9%9.5 $171.09 3/31/20203,180,000 shares $604.26 million -6.5%9.8%9 $190.02 3/13/20203,402,700 shares $553.96 million -13.2%10.4%10.9 $162.80 2/28/20203,920,000 shares $487.41 million +3.4%12.1%12.5 $124.34 2/14/20203,790,000 shares $678.11 million -4.1%11.8%11.7 $178.92 1/31/20203,950,000 shares $678.18 million -0.5%12.3%11.1 $171.69 1/15/20203,970,000 shares $734.93 million -4.3%12.3%9.6 $185.12 12/31/20194,150,000 shares $712.76 million -2.4%12.9%10.1 $171.75 PEN Short Interest - Frequently Asked Questions What is Penumbra's current short interest? Short interest is the volume of Penumbra shares that have been sold short but have not yet been closed out or covered. As of October 31st, traders have sold 2,260,000 shares of PEN short. Learn More on Penumbra's current short interest. What is a good short interest ratio for Penumbra? 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. PEN shares currently have a short interest ratio of 6.0. Learn More on Penumbra's short interest ratio. Which institutional investors are shorting Penumbra? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Penumbra: Concourse Financial Group Securities Inc., Cubist Systematic Strategies LLC, Point72 Asset Management L.P., Susquehanna International Group LLP, Millennium Management LLC, and Cubist Systematic Strategies LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Penumbra's short interest increasing or decreasing? Penumbra saw a decline in short interest in the month of October. As of October 31st, there was short interest totaling 2,260,000 shares, a decline of 14.7% from the previous total of 2,650,000 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 Penumbra's short interest compare to its competitors? Here is how the short interest of companies in the industry of "medical equipment" compare to Penumbra: Zimmer Biomet Holdings, Inc. (3.37%), Solventum Co. (2.75%), Smith & Nephew plc (0.56%), Glaukos Co. (4.79%), Bausch + Lomb Co. (2.89%), Inspire Medical Systems, Inc. (6.51%), PROCEPT BioRobotics Co. (12.05%), Envista Holdings Co. (7.13%), Axonics, Inc. (6.47%), Inari Medical, Inc. (6.30%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.08 billion), AppLovin Co. ($3.18 billion), Paychex, Inc. ($2.64 billion), Nu Holdings Ltd. ($2.54 billion), International Paper ($2.46 billion), Cencora, Inc. ($2.27 billion), Moderna, Inc. ($1.87 billion), SoFi Technologies, Inc. ($1.81 billion), Lululemon Athletica Inc. ($1.75 billion), and Onsemi ($1.71 billion). View all of the most shorted stocks. What does it mean to sell short Penumbra stock? Short selling PEN is an investing strategy that aims to generate trading profit from Penumbra as its price is falling. PEN shares are trading down $5.76 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 Penumbra? A short squeeze for Penumbra 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 PEN, which in turn drives the price of the stock up even further. How often is Penumbra'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 PEN, twice per month. The most recent reporting period available is October, 31 2024. More Short Interest Resources from MarketBeat Related Companies ZBH Short Interest SOLV Short Interest SNN Short Interest GKOS Short Interest BLCO Short Interest INSP Short Interest PRCT Short Interest NVST Short Interest AXNX Short Interest NARI Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:PEN) was last updated on 11/12/2024 by MarketBeat.com Staff From Our PartnersAI's Growing Energy Demands: The Urgent Need for Nuclear PowerAmazon is placing a massive bet on nuclear energy to power its $150 billion data center expansion. 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