Harvard Bioscience (HBIO) Short Interest Ratio & Short Volume $0.99 -0.19 (-16.10%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$1.02 +0.03 (+3.03%) As of 02/21/2025 07:46 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 AnalysisChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Harvard Bioscience Short Interest DataHarvard Bioscience (HBIO) has a short interest of 758,600 shares. This marks a -3.38% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.5, indicating that it would take 3.5 days of the average trading volume of 274,789 shares to cover all short positions.Current Short Interest758,600 sharesPrevious Short Interest785,100 sharesChange Vs. Previous Month-3.38%Dollar Volume Sold Short$1.30 millionShort Interest Ratio3.5 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares43,620,000 sharesPercentage of Shares Shorted1.74%Today's Trading Volume902,933 sharesAverage Trading Volume274,789 sharesToday's Volume Vs. Average329% Short Selling Harvard Bioscience? Sign up to receive the latest short interest report for Harvard Bioscience and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartHBIO Short Interest Over TimeHBIO Days to Cover Over TimeHBIO Percentage of Float Shorted Over Time Harvard Bioscience Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/2025758,600 shares $1.30 million -3.4%N/A3.5 $1.71 1/15/2025785,100 shares $1.55 million +20.0%N/A4 $1.98 12/31/2024654,400 shares $1.38 million +22.8%N/A3.9 $2.11 12/15/2024533,100 shares $1.15 million +18.4%N/A3.5 $2.16 11/30/2024450,100 shares $990,220.00 +20.3%N/A3.1 $2.20 11/15/2024374,100 shares $800,574.00 -6.2%N/A2.7 $2.14 10/31/2024398,900 shares $937,415.00 +13.8%N/A3.4 $2.35 10/15/2024350,600 shares $858,970.00 +11.4%N/A3.2 $2.45 9/30/2024314,700 shares $846,543.00 -26.7%N/A2.8 $2.69 9/15/2024429,100 shares $1.24 million +0.6%N/A3.3 $2.88 Get the Latest News and Ratings for HBIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Harvard Bioscience and its competitors with MarketBeat's FREE daily newsletter. 8/31/2024426,600 shares $1.23 million -0.1%1.1%2.9 $2.88 8/15/2024426,800 shares $1.22 million -4.4%1.1%2.8 $2.86 7/31/2024446,500 shares $1.43 million +3.7%1.1%3 $3.20 7/15/2024430,700 shares $1.43 million -19.4%1.1%2.8 $3.32 6/30/2024534,400 shares $1.52 million +38.4%1.3%3.6 $2.85 6/15/2024386,200 shares $1.12 million -16.3%1.0%3.1 $2.90 5/31/2024461,500 shares $1.46 million -25.6%N/A3.9 $3.17 5/15/2024620,100 shares $2.14 million -9.0%N/A6.5 $3.45 4/30/2024681,200 shares $2.60 million +1.2%N/A7.5 $3.82 4/15/2024673,000 shares $2.99 million +5.7%N/A7.7 $4.44 3/31/2024636,700 shares $2.70 million -11.2%N/A7.6 $4.24 3/15/2024716,600 shares $2.90 million +0.5%N/A8.5 $4.05 2/29/2024712,900 shares $3.09 million -3.4%1.8%8.4 $4.33 2/15/2024738,300 shares $3.59 million -6.5%1.9%8.5 $4.86 1/31/2024789,400 shares $3.47 million -8.8%2.0%9.1 $4.40 1/15/2024865,500 shares $4.24 million -4.8%2.2%9.9 $4.90 12/31/2023909,500 shares $4.87 million +3.1%2.3%10.6 $5.35 12/15/2023881,900 shares $4.32 million -7.6%2.2%10.1 $4.90 11/30/2023954,600 shares $4.07 million -10.8%2.4%10.7 $4.26 11/15/20231,070,000 shares $4.55 million +5.9%2.7%11.8 $4.25 10/31/20231,010,000 shares $4.43 million -2.9%2.6%9.6 $4.39 10/15/20231,040,000 shares $4.31 million -1.0%2.6%8.4 $4.14 9/30/20231,050,000 shares $4.52 million +13.0%2.7%7.7 $4.30 9/15/2023928,900 shares $4.23 million -3.7%2.3%5.8 $4.55 8/31/2023964,800 shares $4.25 million -1.9%2.4%3.7 $4.41 8/15/2023983,800 shares $4.17 million +0.6%2.5%3.5 $4.24 7/31/2023978,300 shares $4.55 million -4.1%2.5%3.3 $4.65 7/15/20231,020,000 shares $5.57 million -1.9%2.6%3.3 $5.46 6/30/20231,040,000 shares $5.71 million +221.3%2.7%3.2 $5.49 6/15/2023323,700 shares $1.76 million -16.5%0.8%1 $5.44Nvidia’s CEO: “This Will Be a Multitrillion-Dollar Industry." (Ad)If you missed out on the big boom in Nvidia… Listen up, because according to Nvidia's own CEO… Elon Musk’s new technology could help launch an entirely new multitrillion-dollar industry.You MUST act before March 17th. 5/31/2023387,500 shares $2.17 million +0.2%1.0%1.8 $5.59 5/15/2023386,700 shares $2.06 million +10.9%1.0%2.2 $5.34 4/30/2023348,800 shares $2.00 million +28.1%1.0%2.3 $5.72 4/15/2023272,200 shares $1.34 million -7.6%0.8%2.5 $4.93 3/31/2023294,700 shares $1.24 million +14.9%0.8%3.1 $4.20 3/15/2023256,400 shares $676,896.00 -1.8%0.7%2.4 $2.64 2/28/2023261,100 shares $738,913.00 -1.3%0.7%2.3 $2.83 2/15/2023264,500 shares $812,015.00 +1.7%0.7%2.3 $3.07 1/31/2023260,000 shares $774,800.00 -2.1%0.7%1.9 $2.98 1/15/2023265,600 shares $778,208.00 -32.6%0.7%1.9 $2.93 12/30/2022394,100 shares $1.09 million +22.9%1.1%2.8 $2.77 12/15/2022320,600 shares $769,440.00 +9.4%0.9%2.1 $2.40 11/30/2022293,200 shares $750,592.00 +5.6%0.8%2.6 $2.56 11/15/2022277,700 shares $666,480.00 +8.1%0.8%2.6 $2.40 10/31/2022256,800 shares $690,792.00 -6.3%0.7%2.4 $2.69 10/15/2022274,100 shares $619,466.00 +2.5%0.8%2.3 $2.26 9/30/2022267,400 shares $684,544.00 +3.6%0.7%2.1 $2.56 9/15/2022258,200 shares $800,420.00 -5.6%0.7%1.3 $3.10 8/31/2022273,500 shares $902,550.00 -5.8%0.8%1.2 $3.30 8/15/2022290,300 shares $937,669.00 -8.0%0.8%1.1 $3.23 7/31/2022315,400 shares $1.19 million -13.8%0.9%1.1 $3.76 7/15/2022365,700 shares $1.33 million -21.2%1.0%1.2 $3.65 6/30/2022464,000 shares $1.67 million -72.1%1.4%1.5 $3.60 6/15/20221,660,000 shares $6.09 million +5.7%5.1%5.3 $3.67 5/31/20221,570,000 shares $5.75 million -1.3%4.3%7.1 $3.66 5/15/20221,590,000 shares $6.01 million +30.3%4.4%8.1 $3.78 4/30/20221,220,000 shares $6.37 million +11.9%3.3%6.7 $5.22 4/15/20221,090,000 shares $6.41 million +1.9%3.0%7.1 $5.88 3/31/20221,070,000 shares $6.64 million +7.0%2.9%7 $6.21 3/15/2022999,600 shares $5.89 million +24.6%2.7%6.6 $5.89 2/28/2022802,600 shares $4.33 million +2.7%2.2%5 $5.40 2/15/2022781,500 shares $4.29 million +20.1%2.1%4.9 $5.49 1/31/2022650,700 shares $3.79 million +9.4%1.8%4.2 $5.82 1/15/2022594,700 shares $3.60 million -2.1%N/A0 $6.06 12/31/2021607,700 shares $4.28 million +19.5%1.7%3.8 $7.05 12/15/2021508,500 shares $3.53 million -0.3%1.4%3 $6.94 11/30/2021509,900 shares $3.41 million +0.5%1.4%3.2 $6.69 11/15/2021507,200 shares $3.94 million -16.4%1.4%3.1 $7.77 10/29/2021606,400 shares $4.57 million +5.6%1.7%3.4 $7.53 10/15/2021574,000 shares $3.93 million -10.9%1.6%3.2 $6.84 9/30/2021644,000 shares $4.50 million -5.1%1.8%3.5 $6.98 9/15/2021678,300 shares $5.32 million +0.6%1.9%3.2 $7.84 8/31/2021674,400 shares $5.57 million +1.7%1.9%3.1 $8.26 8/13/2021663,300 shares $5.61 million +2.7%1.8%2.9 $8.46 7/30/2021646,200 shares $5.10 million -9.6%1.8%2.7 $7.89 7/15/2021715,100 shares $5.44 million +7.4%2.0%2.8 $7.61 6/30/2021665,800 shares $5.55 million -3.2%1.9%2.5 $8.33 6/15/2021688,000 shares $5.19 million -16.9%1.9%2.8 $7.55 5/28/2021828,000 shares $5.80 million -4.1%2.3%2.8 $7.00 5/14/2021863,600 shares $5.98 million +8.2%2.4%3.1 $6.92Nvidia’s CEO: “This Will Be a Multitrillion-Dollar Industry." (Ad)If you missed out on the big boom in Nvidia… Listen up, because according to Nvidia's own CEO… Elon Musk’s new technology could help launch an entirely new multitrillion-dollar industry.You MUST act before March 17th. 4/30/2021798,200 shares $5.75 million -16.3%2.2%3.1 $7.20 4/15/2021953,700 shares $6.33 million +16.8%2.7%4.2 $6.64 3/31/2021816,500 shares $4.44 million +21.9%2.3%3.7 $5.44 3/15/2021669,800 shares $4.30 million +0.7%1.9%3.4 $6.42 2/26/2021665,100 shares $2.88 million +4.6%2.0%5.2 $4.33 2/12/2021636,100 shares $2.98 million -1.8%1.8%5.3 $4.69 1/29/2021647,900 shares $2.93 million +5.5%1.9%5 $4.52 1/15/2021614,300 shares $2.55 million -0.1%1.8%4.7 $4.15 12/31/2020615,000 shares $2.63 million +5.2%1.8%5.2 $4.27 12/15/2020584,400 shares $2.48 million -7.7%1.7%4.9 $4.24 11/30/2020632,900 shares $2.45 million -11.1%1.8%5.3 $3.87 11/15/2020711,600 shares $2.88 million -44.8%2.1%5.9 $4.05 10/30/20201,290,000 shares $4.26 million -5.2%3.8%11.9 $3.30 10/15/20201,360,000 shares $4.43 million No Change4.0%11.8 $3.26 9/30/20201,360,000 shares $4.09 million -3.6%4.0%0 $3.01 9/15/20201,410,000 shares $4.53 million -0.7%4.1%5.4 $3.21 8/31/20201,420,000 shares $4.76 million -4.1%4.1%4.7 $3.35 8/14/20201,480,000 shares $5.42 million No Change4.3%4.7 $3.66 7/31/20201,480,000 shares $4.60 million +2.1%4.4%4.5 $3.11 7/15/20201,450,000 shares $4.89 million -40.8%4.3%4.2 $3.37 6/30/20202,450,000 shares $7.60 million +64.4%7.2%6.9 $3.10 6/15/20201,490,000 shares $4.05 million +41.9%4.4%6.4 $2.72 5/29/20201,050,000 shares $2.77 million +5.0%3.1%5.1 $2.64 5/15/20201,000,000 shares $2.58 million -9.1%2.9%4.6 $2.58 4/30/20201,100,000 shares $3.03 million +79.1%3.2%5.5 $2.75 4/15/2020614,300 shares $1.65 million -7.2%1.8%3.5 $2.68 3/31/2020662,100 shares $1.77 million -1.5%1.9%4.7 $2.68 3/13/2020672,400 shares $1.67 million +1.9%2.0%3.6 $2.48 2/28/2020659,700 shares $1.13 million +4.4%1.9%6.6 $1.71 HBIO Short Interest - Frequently Asked Questions What is Harvard Bioscience's current short interest? Short interest is the volume of Harvard Bioscience shares that have been sold short but have not yet been closed out or covered. As of January 31st, investors have sold 758,600 shares of HBIO short. Learn More on Harvard Bioscience's current short interest. What is a good short interest ratio for Harvard Bioscience? 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. HBIO shares currently have a short interest ratio of 4.0. Learn More on Harvard Bioscience's short interest ratio. Which institutional investors are shorting Harvard Bioscience? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Harvard Bioscience: Group One Trading LLC, Citadel Advisors LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Harvard Bioscience's short interest increasing or decreasing? Harvard Bioscience saw a drop in short interest in January. As of January 31st, there was short interest totaling 758,600 shares, a drop of 3.4% from the previous total of 785,100 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 Harvard Bioscience's short interest compare to its competitors? Here is how the short interest of companies compare to Harvard Bioscience: Thermo Fisher Scientific Inc. (1.04%), Agilent Technologies, Inc. (1.15%), Mettler-Toledo International Inc. (1.98%), Waters Co. (2.70%), Illumina, Inc. (4.11%), Bio-Techne Co. (2.50%), Bio-Rad Laboratories, Inc. (3.05%), Charles River Laboratories International, Inc. (3.91%), Bruker Co. (6.56%), Pacific Biosciences of California, Inc. (22.05%), 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. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short Harvard Bioscience stock? Short selling HBIO is an investing strategy that aims to generate trading profit from Harvard Bioscience as its price is falling. HBIO shares are trading down $0.19 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 Harvard Bioscience? A short squeeze for Harvard Bioscience 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 HBIO, which in turn drives the price of the stock up even further. How often is Harvard Bioscience'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 HBIO, twice per month. The most recent reporting period available is January, 31 2025. More Short Interest Resources from MarketBeat Related Companies Thermo Fisher Scientific Short Interest Data Agilent Technologies Short Interest Data Mettler-Toledo International Short Interest Data Waters Short Interest Data Illumina Short Interest Data Bio-Techne Short Interest Data Charles River Laboratories International Short Interest Data Bio-Rad Laboratories Short Interest Data Bruker Short Interest Data Pacific Biosciences of California 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:HBIO) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersBuy this AI Stock Before Elon’s AnnouncementWith Trump back in office, xAI is primed to become the leader in generative AI, leaving competitors in the dus...InvestorPlace | SponsoredSecret financial plot unfolding in Washington DC… [DEVELOPING]What stocks are next up to soar in 2025? 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