Hookipa Pharma (HOOK) Short Interest Ratio & Short Volume $1.48 -0.07 (-4.52%) Closing price 04:00 PM EasternExtended Trading$1.48 0.00 (0.00%) As of 04:03 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 InterestTrendsBuy This Stock Hookipa Pharma Short Interest DataHookipa Pharma (HOOK) has a short interest of 174,700 shares, representing 2.50% of the float (the number of shares available for trading by the public). This marks a -7.32% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.6, indicating that it would take 1.6 days of the average trading volume of 81,470 shares to cover all short positions.Current Short Interest174,700 sharesPrevious Short Interest188,500 sharesChange Vs. Previous Month-7.32%Dollar Volume Sold Short$273.41 thousandShort Interest Ratio1.6 Days to CoverLast Record DateMay 31, 2025Outstanding Shares12,189,000 sharesFloat Size6,980,000 sharesShort Percent of Float2.50%Today's Trading Volume162,137 sharesAverage Trading Volume81,470 sharesToday's Volume Vs. Average199% Short Selling Hookipa Pharma? Sign up to receive the latest short interest report for Hookipa Pharma and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartHOOK Short Interest Over TimeHOOK Days to Cover Over TimeHOOK Percentage of Float Shorted Over Time Hookipa Pharma Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/2025174,700 shares $273.41 thousand -7.3%2.5%1.6 $1.57 5/15/2025188,500 shares $273.33 thousand +530.4%2.7%1.6 $1.45 4/30/202529,900 shares $28.41 thousand +131.8%0.4%0.4 $0.95 4/15/202512,900 shares $10.23 thousand -75.2%0.2%0.3 $0.79 3/31/202552,000 shares $56.16 thousand -26.4%0.8%0.5 $1.08 3/15/202570,600 shares $82.60 thousand +6.7%1.0%0.6 $1.17 2/28/202566,200 shares $101.29 thousand -21.3%1.0%0.5 $1.53 2/15/202584,100 shares $158.95 thousand -8.1%1.2%0.7 $1.89 1/31/202591,500 shares $179.34 thousand -37.3%1.3%0.7 $1.96 1/15/2025145,900 shares $281.59 thousand +383.1%2.0%1.2 $1.93 Get the Latest News and Ratings for HOOK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Hookipa Pharma and its competitors with MarketBeat's FREE daily newsletter. 12/31/202430,200 shares $60.70 thousand -0.3%0.4%0.3 $2.01 12/15/202430,300 shares $64.54 thousand -32.7%0.4%0.6 $2.13 11/30/202445,000 shares $113.40 thousand +13.9%0.6%1 $2.52 11/15/202439,500 shares $118.50 thousand +9.1%0.6%0.9 $3.00 10/31/202436,200 shares $137.20 thousand +39.2%0.5%1.1 $3.79 10/15/202426,000 shares $94.90 thousand -26.1%0.3%0.9 $3.65 9/30/202435,200 shares $151.36 thousand -31.7%0.5%1.1 $4.30 9/15/202451,500 shares $256.99 thousand +112.8%0.7%1.4 $4.99 8/31/202424,200 shares $126.57 thousand -9.7%0.3%0.6 $5.23 8/15/202426,800 shares $130.78 thousand -71.3%0.4%0.5 $4.88 7/31/202493,400 shares $543.59 thousand -2.0%1.2%1.6 $5.82 7/15/202495,300 shares $564.18 thousand +47.1%1.2%1.1 $5.92 6/30/202464,800 shares $383.49 thousand -85.7%0.8%0.7 $5.92 6/15/2024453,000 shares $336.81 thousand -11.6%0.6%0.5 $0.74 5/31/2024512,400 shares $406.85 thousand -38.0%0.7%0.6 $0.79 5/15/2024826,200 shares $709.71 thousand +28.4%1.1%1 $0.86 4/30/2024643,700 shares $571.16 thousand +103.3%0.9%0.8 $0.89 4/15/2024316,700 shares $240.69 thousand +0.3%0.5%0.5 $0.76 3/31/2024315,900 shares $224.92 thousand -5.3%0.5%0.6 $0.71 3/15/2024333,400 shares $239.71 thousand +11.3%0.6%0.1 $0.72 2/29/2024299,500 shares $230.02 thousand -10.0%0.5%0.1 $0.77 2/15/2024332,600 shares $219.52 thousand -25.4%0.6%0.1 $0.66 1/31/2024446,100 shares $277.07 thousand -28.1%0.8%0.2 $0.62 1/15/2024620,200 shares $474.39 thousand -21.0%1.0%0.3 $0.76 12/31/2023785,400 shares $636.17 thousand +142.9%1.3%0.3 $0.81 12/15/2023323,300 shares $211.11 thousand -29.6%0.4%0.1 $0.65 11/30/2023459,000 shares $261.17 thousand +99.5%0.6%1 $0.57 11/15/2023230,100 shares $109.30 thousand -26.7%0.3%0.5 $0.48 10/31/2023313,900 shares $135.60 thousand -10.5%0.4%0.9 $0.43 10/15/2023350,800 shares $191.54 thousand -12.1%0.5%0.9 $0.55Elon’s backup plan for AI (Ad)Elon knows the future isn’t about smarter AI — it’s about powering it. And this new technology is quietly becoming one of the most profitable stories of the year.Chris Rowe just shared the full details in a live presentation… Watch it here before it comes down. 9/30/2023399,000 shares $245.78 thousand +68.9%0.5%1 $0.62 9/15/2023236,200 shares $165.34 thousand +5.2%0.3%0.5 $0.70 8/31/2023224,600 shares $147.11 thousand -20.5%0.3%0.3 $0.66 8/15/2023282,400 shares $206.15 thousand -2.0%0.4%0.3 $0.73 7/31/2023288,200 shares $227.68 thousand -64.2%0.4%0.2 $0.79 7/15/2023805,900 shares $710.96 thousand -11.5%1.2%0.5 $0.88 6/30/2023910,600 shares $801.33 thousand +26.3%1.4%0.6 $0.88 6/15/2023721,000 shares $771.47 thousand +951.0%1.1%0.5 $1.07 5/31/202368,600 shares $89.87 thousand -78.2%0.1%0.1 $1.31 5/15/2023314,900 shares $585.71 thousand No Change0.7%0.4 $1.86 10/31/2022879,900 shares $1.14 million -4.3%N/A0.9 $1.29 10/15/2022919,600 shares $1.09 million -9.8%N/A1 $1.19 9/30/20221,020,000 shares $1.37 million +2.0%N/A4.9 $1.34 9/15/20221,000,000 shares $1.41 million -3.9%N/A3.7 $1.41 8/31/20221,040,000 shares $1.55 million -17.5%N/A3.2 $1.49 8/15/20221,260,000 shares $2.17 million -46.2%N/A3.1 $1.73 7/31/20222,340,000 shares $3.21 million -2.5%N/A5.3 $1.37 7/15/20222,400,000 shares $3.96 million -29.6%N/A5.4 $1.65 6/30/20223,410,000 shares $5.56 million -14.1%N/A5.6 $1.63 6/15/20223,970,000 shares $6.67 million -3.6%N/A4.6 $1.68 5/31/20224,120,000 shares $7.09 million -0.7%N/A4.2 $1.72 5/15/20224,150,000 shares $5.69 million +2.7%N/A1.2 $1.37 4/30/20224,040,000 shares $6.06 million +5.2%N/A0.6 $1.50 4/15/20223,840,000 shares $6.87 million -2.5%N/A0.6 $1.79 3/31/20223,940,000 shares $8.98 million +1.8%N/A0.6 $2.28 3/15/20223,870,000 shares $5.84 million -16.8%N/A0.6 $1.51 2/28/20224,650,000 shares $11.16 million +63.7%27.7%0.8 $2.40 2/15/20222,840,000 shares $3.81 million +15.5%15.4%0.5 $1.34 1/31/20222,460,000 shares $3.69 million +9.3%14.3%7.9 $1.50 1/15/20222,250,000 shares $4.61 million +5.1%N/A0 $2.05 12/31/20212,140,000 shares $4.99 million +0.9%12.3%9.7 $2.33 12/15/20212,120,000 shares $5.81 million No Change12.2%10 $2.74 11/30/20212,120,000 shares $6.85 million +0.5%12.3%9.7 $3.23 11/15/20212,110,000 shares $8.31 million -5.0%12.2%9.7 $3.94 10/29/20212,220,000 shares $10.81 million +0.9%12.9%10.7 $4.87 10/15/20212,200,000 shares $11.79 million -0.5%12.7%9.5 $5.36 9/30/20212,210,000 shares $13.02 million -9.1%12.8%8.6 $5.89 9/15/20212,430,000 shares $15.26 million -8.3%14.1%8.2 $6.28 8/31/20212,650,000 shares $18.26 million -2.2%15.4%7.8 $6.89 8/13/20212,710,000 shares $18.70 million -0.4%15.7%6.3 $6.90 7/30/20212,720,000 shares $21.03 million +6.7%15.8%5.9 $7.73 7/15/20212,550,000 shares $20.71 million +1.2%14.8%5.8 $8.12 6/30/20212,520,000 shares $23.08 million +0.8%14.7%6 $9.16 6/15/20212,500,000 shares $24 million +9.7%14.5%6.5 $9.60 5/28/20212,280,000 shares $38.05 million +49.0%13.3%6.5 $16.69 5/14/20211,530,000 shares $25.77 million +10.9%8.9%6.6 $16.84 4/30/20211,380,000 shares $17.33 million +0.7%8.1%6.9 $12.56 4/15/20211,370,000 shares $17.30 million +0.7%N/A0 $12.63 3/31/20211,360,000 shares $18.14 million +5.4%8.2%7.4 $13.34 3/15/20211,290,000 shares $15.78 million No Change8.0%7.5 $12.23Elon’s backup plan for AI (Ad)Elon knows the future isn’t about smarter AI — it’s about powering it. And this new technology is quietly becoming one of the most profitable stories of the year.Chris Rowe just shared the full details in a live presentation… Watch it here before it comes down. 2/26/20211,290,000 shares $15.03 million -0.8%8.0%8.5 $11.65 2/12/20211,300,000 shares $15.24 million +5.7%8.1%9 $11.72 1/29/20211,230,000 shares $13.09 million +3.4%7.6%10.2 $10.64 1/15/20211,190,000 shares $13.07 million +0.9%7.4%10.9 $10.98 12/31/20201,180,000 shares $13.45 million +0.9%8.2%12.3 $11.40 12/15/20201,170,000 shares $14.11 million +31.1%8.1%13.3 $12.06 11/30/2020892,600 shares $9.88 million +0.5%7.3%10.3 $11.07 11/15/2020887,900 shares $9.77 million +0.4%7.3%15.6 $11.00 10/30/2020884,000 shares $8.76 million +0.7%7.5%15.5 $9.91 10/15/2020877,900 shares $8.60 million +0.5%7.5%15.3 $9.80 9/30/2020874,000 shares $8.28 million +4.4%7.4%14.1 $9.47 9/15/2020837,400 shares $8.78 million +0.7%7.1%12.2 $10.49 8/31/2020831,700 shares $7.44 million -2.4%7.1%14.6 $8.94 8/14/2020851,800 shares $8.68 million -0.5%7.2%14.5 $10.19 7/31/2020856,400 shares $8.27 million +4.4%7.4%11.6 $9.66 7/15/2020820,700 shares $8.07 million +0.2%7.1%10.4 $9.83 6/30/2020819,200 shares $9.63 million +8.8%7.1%10.5 $11.75 6/15/2020753,100 shares $8.64 million +4.1%6.5%10.3 $11.47 HOOK Short Interest - Frequently Asked Questions What is Hookipa Pharma's current short interest? Short interest is the volume of Hookipa Pharma shares that have been sold short but have not yet been closed out or covered. As of May 15th, investors have sold 188,500 shares of HOOK short. 2.70% of Hookipa Pharma's shares are currently sold short. Learn More on Hookipa Pharma's current short interest. What is a good short interest ratio for Hookipa Pharma? 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. HOOK shares currently have a short interest ratio of 2.0. Learn More on Hookipa Pharma's short interest ratio. Which institutional investors are shorting Hookipa Pharma? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Hookipa Pharma: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Hookipa Pharma? 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. 2.70% of Hookipa Pharma's floating shares are currently sold short. Is Hookipa Pharma's short interest increasing or decreasing? Hookipa Pharma saw a increase in short interest in the month of May. As of May 15th, there was short interest totaling 188,500 shares, an increase of 530.4% from the previous total of 29,900 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. What is Hookipa Pharma's float size? Hookipa Pharma currently has issued a total of 12,189,000 shares. Some of Hookipa Pharma's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Hookipa Pharma currently has a public float of 6,980,000 shares. How does Hookipa Pharma's short interest compare to its competitors? 2.70% of Hookipa Pharma's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Hookipa Pharma: ESSA Pharma Inc. (1.85%), Pyxis Oncology, Inc. (16.02%), IGM Biosciences, Inc. (5.93%), Immix Biopharma, Inc. (1.29%), InterCure Ltd. (0.05%), PyroGenesis Canada Inc. (0.04%), CervoMed Inc. (15.89%), Alto Neuroscience, Inc. (14.01%), Vistagen Therapeutics, Inc. (2.00%), Skye Bioscience, Inc. (17.97%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks. What does it mean to sell short Hookipa Pharma stock? Short selling HOOK is an investing strategy that aims to generate trading profit from Hookipa Pharma as its price is falling. HOOK shares are trading down $0.11 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 Hookipa Pharma? A short squeeze for Hookipa Pharma 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 HOOK, which in turn drives the price of the stock up even further. How often is Hookipa Pharma'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 HOOK, twice per month. The most recent reporting period available is May, 15 2025. More Short Interest Resources from MarketBeat Related Companies EPIX Short Interest PYXS Short Interest IGMS Short Interest IMMX Short Interest INCR Short Interest PYRGF Short Interest CRVO Short Interest ANRO Short Interest VTGN Short Interest SKYE Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:HOOK) was last updated on 6/11/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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