Harrow (HROW) Short Interest Ratio & Short Volume $39.44 +1.29 (+3.37%) As of 03:53 PM Eastern This is a fair market value 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 4.50 million shares, representing 14.46% of the float (the number of shares available for trading by the public). This marks a 8.43% increase in short interest from the previous month. The short interest ratio (days to cover) is 9.7, indicating that it would take 9.7 days of the average trading volume of 482,911 shares to cover all short positions.Current Short Interest4,500,000 sharesPrevious Short Interest4,150,000 sharesChange Vs. Previous Month+8.43%Dollar Volume Sold Short$142.92 millionShort Interest Ratio9.7 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares37,000,000 sharesShort Percent of Float14.46%Today's Trading Volume452,385 sharesAverage Trading Volume482,911 sharesToday's Volume Vs. Average94% 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 7/31/20254,500,000 shares $142.92 million +8.4%14.5%9.7 $31.76 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 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. 2/28/20252,750,000 shares $77.22 million +0.7%8.9%7.9 $28.08 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 $9.48Is Elon's empire crumbling? (Ad)The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered a revolutionary AI breakthrough buried inside Tesla's labs. One that is helping AI escape from our computer screens and manifest itself here in the real world all while creating a 25,000% growth market explosion starting as early as October 23rd.Click here to see the Tesla shock that could blindside everyone. 11/30/20234,890,000 shares $45.13 million -20.0%N/A7.2 $9.23 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 $10.78Is Elon's empire crumbling? (Ad)The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered a revolutionary AI breakthrough buried inside Tesla's labs. One that is helping AI escape from our computer screens and manifest itself here in the real world all while creating a 25,000% growth market explosion starting as early as October 23rd.Click here to see the Tesla shock that could blindside everyone. 10/29/2021937,100 shares $9.46 million -0.4%3.9%7.9 $10.09 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 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 closed out or covered. As of July 31st, investors have sold 4,500,000 shares of HROW short. 14.46% of Harrow's shares are currently sold 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 10.0. 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: Group One Trading LLC, Jane Street Group LLC, and 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 Harrow? 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. 14.46% of Harrow's floating shares are currently sold short. Is Harrow's short interest increasing or decreasing? Harrow saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 4,500,000 shares, an increase of 8.4% from the previous total of 4,150,000 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? 14.46% of Harrow's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Harrow: CRISPR Therapeutics AG (26.94%), Merus N.V. (6.44%), Viking Therapeutics, Inc. (26.61%), TG Therapeutics, Inc. (16.53%), ACADIA Pharmaceuticals Inc. (8.89%), Cytokinetics, Incorporated (13.26%), Akero Therapeutics, Inc. (10.92%), Krystal Biotech, Inc. (13.61%), ADMA Biologics Inc (5.96%), Lantheus Holdings, Inc. (12.75%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 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 $0.07 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 increases 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, 31 2025. More Short Interest Resources from MarketBeat Related Companies CRSP Short Interest Data MRUS Short Interest Data VKTX Short Interest Data TGTX Short Interest Data ACAD Short Interest Data CYTK Short Interest Data AKRO Short Interest Data KRYS Short Interest Data ADMA Short Interest Data LNTH 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:HROW) was last updated on 8/22/2025 by MarketBeat.com Staff From Our PartnersEveryone’s watching Nvidia right now. 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