Harrow (HROW) Short Interest Ratio & Short Volume $31.23 -0.53 (-1.67%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$31.85 +0.62 (+1.99%) As of 08/1/2025 07:50 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Harrow Short Interest DataHarrow (HROW) has a short interest of 4.15 million shares. This marks a 0.48% increase in short interest from the previous month. The short interest ratio (days to cover) is 9.2, indicating that it would take 9.2 days of the average trading volume of 442,110 shares to cover all short positions.Current Short Interest4,150,000 sharesPrevious Short Interest4,130,000 sharesChange Vs. Previous Month+0.48%Dollar Volume Sold Short$142.64 millionShort Interest Ratio9.2 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares36,690,000 sharesPercentage of Shares Shorted11.31%Today's Trading Volume530,570 sharesAverage Trading Volume442,110 sharesToday's Volume Vs. Average120% Short Selling Harrow? Sign up to receive the latest short interest report for Harrow and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartHROW Short Interest Over TimeHROW Days to Cover Over TimeHROW Percentage of Float Shorted Over Time Harrow Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20254,150,000 shares $142.64 million +0.5%N/A9.2 $34.37 6/30/20254,130,000 shares $126.13 million +1.7%13.3%9.5 $30.54 6/15/20254,060,000 shares $123.06 million -3.6%13.0%8.3 $30.31 5/31/20254,210,000 shares $118.89 million +1.2%13.7%7.5 $28.24 5/15/20254,160,000 shares $106.58 million +1.0%13.5%7.7 $25.62 4/30/20254,120,000 shares $102.05 million +8.7%N/A8 $24.77 4/15/20253,790,000 shares $90.16 million +12.8%12.3%7.7 $23.79 3/31/20253,360,000 shares $89.38 million +15.1%10.9%6.9 $26.60 3/15/20252,920,000 shares $67.19 million +6.2%9.5%7 $23.01 2/28/20252,750,000 shares $77.22 million +0.7%8.9%7.9 $28.08 Get the Latest News and Ratings for HROW and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Harrow and its competitors with MarketBeat's FREE daily newsletter. 2/15/20252,730,000 shares $83.05 million -8.1%8.9%7.9 $30.42 1/31/20252,970,000 shares $91.24 million -2.0%N/A6.8 $30.72 1/15/20253,030,000 shares $107.26 million -2.6%N/A6.5 $35.40 12/31/20243,110,000 shares $104.34 million +4.7%N/A6.3 $33.55 12/15/20242,970,000 shares $105.44 million +3.5%N/A5.7 $35.50 11/30/20242,870,000 shares $120.28 million +14.3%N/A5.5 $41.91 11/15/20242,510,000 shares $97.92 million -2.7%N/A4.5 $39.01 10/31/20242,580,000 shares $116.25 million -26.1%N/A4.9 $45.06 10/15/20243,490,000 shares $186.68 million -14.5%N/A5.9 $53.49 9/30/20244,080,000 shares $183.44 million -4.0%N/A7.3 $44.96 9/15/20244,250,000 shares $191.85 million +3.7%N/A7.7 $45.14 8/31/20244,100,000 shares $165.89 million -4.7%N/A7.4 $40.46 8/15/20244,300,000 shares $167.36 million -21.0%N/A8 $38.92 7/31/20245,440,000 shares $140.24 million -2.3%N/A9.9 $25.78 7/15/20245,570,000 shares $138.41 million -3.1%N/A12.1 $24.85 6/30/20245,750,000 shares $120.12 million +23.4%N/A12.2 $20.89 6/15/20244,660,000 shares $83.74 million +8.9%N/A9.1 $17.97 5/31/20244,280,000 shares $76.83 million -14.1%N/A8 $17.95 5/15/20244,980,000 shares $79.31 million -9.5%N/A9.8 $15.93 4/30/20245,500,000 shares $56.05 million -7.1%N/A11.9 $10.19 4/15/20245,920,000 shares $73.11 million -3.3%N/A13.2 $12.35 3/31/20246,120,000 shares $80.97 million +11.3%N/A14.3 $13.23 3/15/20245,500,000 shares $57.70 million +0.2%N/A12.7 $10.49 2/29/20245,490,000 shares $59.43 million +9.2%N/A14.5 $10.83 2/15/20245,030,000 shares $55.83 million +3.3%N/A12.4 $11.10 1/31/20244,870,000 shares $46.41 million -2.2%N/A8.1 $9.53 1/15/20244,980,000 shares $49.50 million +2.1%N/A7.9 $9.94 12/31/20234,880,000 shares $54.66 million +0.6%N/A7.6 $11.20 12/15/20234,850,000 shares $45.98 million -0.8%N/A7.4 $9.48 11/30/20234,890,000 shares $45.13 million -20.0%N/A7.2 $9.23This Social Security Shift Could Boost Benefits by 400% (Ad)If you currently collect Social Security—or plan to in the future—this may be one of the most important updates you'll ever see. A new initiative, linked to President Trump's Executive Order #14196, has the potential to do more than just protect Social Security from collapse... According to renowned investor Louis Navellier, it could increase benefits by as much as 400%.Click here to watch the urgent briefing now — before this opportunity disappears. 11/15/20236,110,000 shares $49.49 million -2.4%N/A9.1 $8.10 10/31/20236,260,000 shares $89.74 million +10.2%N/A12.1 $14.34 10/15/20235,680,000 shares $85.09 million +10.7%N/A11.6 $14.98 9/30/20235,130,000 shares $73.72 million +18.8%N/A9.6 $14.37 9/15/20234,320,000 shares $64.58 million +8.5%N/A7.3 $14.95 8/31/20233,980,000 shares $60.38 million +12.1%N/A7.2 $15.17 8/15/20233,550,000 shares $61.02 million +2.3%N/A6.3 $17.19 7/31/20233,470,000 shares $76.62 million -9.6%N/A6 $22.08 7/15/20233,840,000 shares $69.62 million -0.3%N/A6.7 $18.13 6/30/20233,850,000 shares $73.30 million +33.2%N/A7.4 $19.04 6/15/20232,890,000 shares $54.53 million No ChangeN/A5.7 $18.87 5/31/20232,890,000 shares $54.51 million +30.8%N/A6.3 $18.86 5/15/20232,210,000 shares $46.17 million +1.4%N/A5 $20.89 4/30/20232,180,000 shares $55.00 million -1.4%N/A5.5 $25.23 4/15/20232,210,000 shares $48.49 million +6.8%N/A5.9 $21.94 3/31/20232,070,000 shares $43.80 million -4.2%N/A5.7 $21.16 3/15/20232,160,000 shares $37.56 million +32.5%N/A6.2 $17.39 2/28/20231,630,000 shares $29.21 million +17.3%6.4%5 $17.92 2/15/20231,390,000 shares $25.20 million +23.0%5.5%4.6 $18.13 1/31/20231,130,000 shares $16.97 million -2.6%4.5%4.4 $15.02 1/15/20231,160,000 shares $16.59 million +0.9%4.7%5.2 $14.30 12/30/20221,150,000 shares $16.97 million +22.7%4.7%5 $14.76 12/15/2022937,000 shares $12.33 million -5.4%3.8%3.6 $13.16 11/30/2022990,600 shares $11.05 million -0.3%4.0%4.8 $11.15 11/15/2022993,800 shares $11.00 million +15.8%4.0%4.9 $11.07 10/31/2022858,200 shares $10.32 million +13.8%3.5%4.5 $12.03 10/15/2022753,900 shares $9.08 million +1.0%3.1%4.3 $12.05 9/30/2022746,800 shares $9.01 million +16.7%3.1%5.3 $12.07 9/15/2022639,700 shares $5.89 million +15.2%2.6%9.2 $9.20 8/31/2022555,500 shares $4.99 million +6.4%2.3%7.2 $8.99 8/15/2022521,900 shares $4.43 million -41.5%2.2%5.8 $8.48 7/31/2022891,400 shares $5.99 million -1.5%3.7%9 $6.72 7/15/2022904,500 shares $6.60 million -2.7%3.7%7.9 $7.30 6/30/2022929,400 shares $6.77 million +2.7%3.8%7.7 $7.28 6/15/2022905,100 shares $6.05 million -0.6%3.7%7.4 $6.68 5/31/2022910,900 shares $6.59 million +0.4%3.8%8.3 $7.23 5/15/2022907,000 shares $5.36 million -2.0%3.7%8.9 $5.91 4/30/2022925,700 shares $6.27 million +1.8%3.8%12.2 $6.77 4/15/2022909,400 shares $6.42 million +0.5%3.8%13.1 $7.06 3/31/2022905,100 shares $6.17 million -3.0%3.8%14.2 $6.82 3/15/2022933,000 shares $6.53 million -0.8%3.9%14.2 $7.00 2/28/2022940,600 shares $7.25 million +0.3%3.9%13.8 $7.71 2/15/2022937,500 shares $7.79 million +1.5%3.9%12.9 $8.31 1/31/2022923,700 shares $6.93 million +1.8%3.8%10.7 $7.50 1/15/2022907,000 shares $7.71 million -2.7%N/A9 $8.50 12/31/2021932,300 shares $8.06 million +28.2%3.9%9.5 $8.64 12/15/2021727,100 shares $6.22 million +7.8%3.0%7.1 $8.56 11/30/2021674,800 shares $6.75 million +11.8%2.8%6.3 $10.00 11/15/2021603,600 shares $6.51 million -35.6%2.5%5.1 $10.78 10/29/2021937,100 shares $9.46 million -0.4%3.9%7.9 $10.09This Social Security Shift Could Boost Benefits by 400% (Ad)If you currently collect Social Security—or plan to in the future—this may be one of the most important updates you'll ever see. A new initiative, linked to President Trump's Executive Order #14196, has the potential to do more than just protect Social Security from collapse... According to renowned investor Louis Navellier, it could increase benefits by as much as 400%.Click here to watch the urgent briefing now — before this opportunity disappears. 10/15/2021941,000 shares $9.31 million -4.0%3.9%7.9 $9.89 9/30/2021980,200 shares $8.91 million -1.6%4.1%6.5 $9.09 9/15/2021995,900 shares $9.01 million -0.4%4.1%4.4 $9.05 8/31/20211,000,000 shares $10.60 million -13.0%4.2%3.7 $10.60 8/13/20211,150,000 shares $10.40 million -8.0%4.8%4.2 $9.04 7/30/20211,250,000 shares $11.15 million +4.2%5.3%4 $8.92 7/15/20211,200,000 shares $8.66 million No Change5.1%3.8 $7.22 6/30/20211,200,000 shares $11.15 million -36.5%5.1%3.7 $9.29 6/15/20211,890,000 shares $16.46 million +1.6%8.0%7.9 $8.71 5/28/20211,860,000 shares $17.11 million -7.5%7.9%9.1 $9.20 5/14/20212,010,000 shares $17.67 million +19.6%8.6%8.8 $8.79 4/30/20211,680,000 shares $13.44 million +10.5%7.3%8.4 $8.00 4/15/20211,520,000 shares $10.24 million -0.7%6.4%7.3 $6.74 3/31/20211,530,000 shares $10.10 million +14.2%6.5%7.4 $6.60 3/15/20211,340,000 shares $11.01 million +16.5%5.7%5.4 $8.22 2/26/20211,150,000 shares $8.83 million +12.8%4.9%4.8 $7.68 2/12/20211,020,000 shares $9.56 million -2.9%4.3%4.6 $9.37 1/29/20211,050,000 shares $9.74 million -4.6%4.5%4.7 $9.28 1/15/20211,100,000 shares $9.31 million +5.8%4.7%5.5 $8.46 12/31/20201,040,000 shares $6.45 million +12.9%4.4%6.1 $6.20 12/15/2020921,400 shares $5.10 million +10.2%3.9%7.4 $5.53 11/30/2020836,200 shares $4.97 million -21.9%3.5%6.9 $5.94 11/15/20201,070,000 shares $6.86 million -19.6%4.5%9.4 $6.41 10/30/20201,330,000 shares $6.34 million -1.5%5.7%12 $4.77 10/15/20201,350,000 shares $7.88 million -2.9%5.7%12.3 $5.84 9/30/20201,390,000 shares $7.77 million -6.7%5.9%10.8 $5.59 9/15/20201,490,000 shares $9.39 million -1.3%6.3%7.7 $6.30 8/31/20201,510,000 shares $10.40 million +13.5%6.4%7.4 $6.89 8/14/20201,330,000 shares $8.62 million -12.5%6.2%6.3 $6.48 HROW Short Interest - Frequently Asked Questions What is Harrow's current short interest? Short interest is the volume of Harrow shares that have been sold short but have not yet been covered or closed out. As of July 15th, traders have sold 4,150,000 shares of HROW short. Learn More on Harrow's current short interest. What is a good short interest ratio for Harrow? 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. HROW shares currently have a short interest ratio of 9.0. Learn More on Harrow's short interest ratio. Which institutional investors are shorting Harrow? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Harrow: Jane Street Group LLC, Caption Management LLC, First Sabrepoint Capital Management LP, HAP Trading LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Harrow's short interest increasing or decreasing? Harrow saw a increase in short interest in the month of July. As of July 15th, there was short interest totaling 4,150,000 shares, an increase of 0.5% from the previous total of 4,130,000 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 Harrow's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Harrow: Lantheus Holdings, Inc. (12.25%), Axsome Therapeutics, Inc. (7.37%), Vaxcyte, Inc. (10.56%), Merus N.V. (6.56%), Krystal Biotech, Inc. (10.87%), Cytokinetics, Incorporated (13.64%), Zai Lab Limited Unsponsored ADR (3.58%), ADMA Biologics Inc (6.06%), Abivax SA Sponsored ADR (2.57%), Avidity Biosciences, Inc. (13.49%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Harrow stock? Short selling HROW is an investing strategy that aims to generate trading profit from Harrow as its price is falling. HROW shares are trading down $0.53 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 Harrow? A short squeeze for Harrow 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 HROW, which in turn drives the price of the stock up even further. How often is Harrow'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 HROW, twice per month. The most recent reporting period available is July, 15 2025. 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