Merit Medical Systems (MMSI) Short Interest Ratio & Short Volume $104.74 +0.06 (+0.06%) As of 03/25/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Merit Medical Systems Short Interest DataMerit Medical Systems (MMSI) has a short interest of 3.01 million shares, representing 5.36% of the float (the number of shares available for trading by the public). This marks a 0.00% change 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 425,371 shares to cover all short positions.Current Short Interest3,010,000 sharesPrevious Short Interest3,010,000 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$307.14 millionShort Interest Ratio5.5 Days to CoverLast Record DateFebruary 28, 2025Outstanding Shares58,835,000 sharesShort Percent of Float5.36%Today's Trading Volume548,986 sharesAverage Trading Volume425,371 sharesToday's Volume Vs. Average129% Short Selling Merit Medical Systems? Sign up to receive the latest short interest report for Merit Medical Systems and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMMSI Short Interest Over TimeMMSI Days to Cover Over TimeMMSI Percentage of Float Shorted Over Time Remove Ads Merit Medical Systems Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/28/20253,010,000 shares $307.14 million No Change5.4%5.5 $102.04 2/15/20253,010,000 shares $325.50 million +2.4%5.4%6.2 $108.14 1/31/20252,940,000 shares $320.11 million +10.5%N/A6.3 $108.88 1/15/20252,660,000 shares $270.07 million +10.8%N/A5.9 $101.53 12/31/20242,400,000 shares $232.13 million -6.6%N/A5.7 $96.72 12/15/20242,570,000 shares $264.09 million +0.4%N/A6.4 $102.76 11/30/20242,560,000 shares $265.98 million -0.4%N/A6.4 $103.90 11/15/20242,570,000 shares $261.70 million -4.5%N/A6.1 $101.83 10/31/20242,690,000 shares $265.40 million +16.5%N/A6.4 $98.66 10/15/20242,310,000 shares $221.00 million -10.1%N/A5.5 $95.67 Get the Latest News and Ratings for MMSI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Merit Medical Systems and its competitors with MarketBeat's FREE daily newsletter. 9/30/20242,570,000 shares $253.99 million +0.8%N/A5.9 $98.83 9/15/20242,550,000 shares $245.21 million -8.3%N/A5.5 $96.16 8/31/20242,780,000 shares $268.77 million +3.0%N/A6.2 $96.68 8/15/20242,700,000 shares $244.51 million -2.9%N/A6.6 $90.56 7/31/20242,780,000 shares $237.11 million -6.4%N/A6.9 $85.29 7/15/20242,970,000 shares $254.38 million -0.3%N/A7.8 $85.65 6/30/20242,980,000 shares $256.13 million +12.5%N/A8.1 $85.95 6/15/20242,650,000 shares $216.77 million +5.6%N/A7.8 $81.80 5/31/20242,510,000 shares $203.69 million +7.7%N/A7 $81.15 5/15/20242,330,000 shares $195.14 million +3.1%N/A6 $83.75 4/30/20242,260,000 shares $167.47 million +9.7%N/A5.7 $74.10 4/15/20242,060,000 shares $148.24 million +4.0%N/A5 $71.96 3/31/20241,980,000 shares $149.99 million -12.4%N/A4.1 $75.75 3/15/20242,260,000 shares $162.40 million -4.6%N/A4.2 $71.86 2/29/20242,370,000 shares $180.59 million +6.3%N/A3.8 $76.20 2/15/20242,230,000 shares $177.44 million No ChangeN/A3.6 $79.57 1/31/20242,230,000 shares $174.61 million -0.5%N/A3.8 $78.30 1/15/20242,240,000 shares $176.96 million +5.7%N/A3.9 $79.00 12/31/20232,120,000 shares $161.04 million +9.8%N/A4.1 $75.96 12/15/20231,930,000 shares $138.11 million +115.1%N/A4.4 $71.56 11/30/2023897,400 shares $64.22 million -0.9%N/A2.2 $71.56 11/15/2023905,500 shares $65.32 million +13.6%N/A2.9 $72.14 10/31/2023796,800 shares $54.77 million -8.8%N/A2.4 $68.74 10/15/2023874,000 shares $56.49 million -5.2%N/A2.5 $64.63 9/30/2023921,800 shares $63.62 million -9.6%N/A2.6 $69.02 9/15/20231,020,000 shares $69.52 million -1.9%N/A3 $68.16 8/31/20231,040,000 shares $67.89 million +6.9%N/A3 $65.28 8/15/2023972,800 shares $66.53 million +46.5%N/A3 $68.39 7/31/2023664,100 shares $49.59 million +2.3%N/A2.2 $74.67 7/15/2023648,900 shares $54.98 million +5.3%N/A2.3 $84.73Trump’s Final Plan (Ad)Presidential insider exposes shocking plot to reshape U.S. economy: The 2025 Trump Reset -- Inside Trump’s secret plan to trigger the greatest transfer of wealth since FDR and LBJ – trillions of dollars could be redistributed.Click here for the full story. 6/30/2023616,500 shares $51.56 million -16.4%N/A2.2 $83.64 6/15/2023737,200 shares $60.59 million +4.1%N/A2.8 $82.19 5/31/2023708,300 shares $58.36 million -8.4%N/A2.8 $82.40 5/15/2023773,100 shares $65.05 million -6.3%N/A2.8 $84.14 4/30/2023825,400 shares $67.10 million +26.9%N/A3 $81.29 4/15/2023650,700 shares $50.41 million +9.7%N/A2.4 $77.47 3/31/2023593,400 shares $43.88 million -14.6%N/A2.2 $73.95 3/15/2023694,900 shares $47.27 million +6.6%N/A2.6 $68.03 2/28/2023652,100 shares $46.03 million +6.7%1.2%2.5 $70.58 2/15/2023610,900 shares $42.84 million +0.7%1.1%2.4 $70.12 1/31/2023606,500 shares $43.27 million -5.2%1.1%2.4 $71.35 1/15/2023639,600 shares $45.00 million +0.4%1.2%2.3 $70.35 12/30/2022637,300 shares $45.01 million +9.8%1.2%2.3 $70.62 12/15/2022580,200 shares $41.33 million +5.6%1.0%2 $71.23 11/30/2022549,200 shares $39.54 million -34.2%1.0%1.8 $72.00 11/15/2022834,700 shares $58.33 million -29.9%1.5%2.7 $69.88 10/31/20221,190,000 shares $81.84 million -4.8%2.1%3.7 $68.77 10/15/20221,250,000 shares $68.40 million -3.9%2.3%3.6 $54.72 9/30/20221,300,000 shares $73.46 million +34.8%2.3%3.7 $56.51 9/15/2022964,500 shares $57.25 million -9.9%1.7%2.7 $59.36 8/31/20221,070,000 shares $63.38 million +12.6%1.9%3.1 $59.23 8/15/2022950,700 shares $60.45 million -4.9%1.7%2.8 $63.58 7/31/20221,000,000 shares $57.48 million -4.8%1.9%2.9 $57.48 7/15/20221,050,000 shares $55.93 million -9.5%2.0%3.1 $53.27 6/30/20221,160,000 shares $62.95 million -0.9%2.2%3.2 $54.27 6/15/20221,170,000 shares $62.49 million +1.7%2.2%3.1 $53.41 5/31/20221,150,000 shares $70.60 million -29.9%2.1%2.9 $61.39 5/15/20221,640,000 shares $96.51 million +43.9%3.0%3.8 $58.85 4/30/20221,140,000 shares $70.69 million +7.6%2.1%2.7 $62.01 4/15/20221,060,000 shares $72.97 million +8.9%1.9%2.7 $68.84 3/31/2022973,700 shares $64.77 million -4.5%1.8%2.7 $66.52 3/15/20221,020,000 shares $64.15 million -25.6%1.8%3 $62.89 2/28/20221,370,000 shares $89.09 million +33.0%2.5%3.9 $65.03 2/15/20221,030,000 shares $60.36 million +11.9%1.9%3.2 $58.60 1/31/2022920,800 shares $51.06 million +4.9%1.7%3.3 $55.45 1/15/2022878,200 shares $50.77 million -12.2%1.6%3 $57.81 12/31/20211,000,000 shares $62.30 million -11.5%1.8%3.2 $62.30 12/15/20211,130,000 shares $70.16 million -2.6%2.1%3.9 $62.09 11/30/20211,160,000 shares $72.92 million -1.7%2.1%4.3 $62.86 11/15/20211,180,000 shares $80.24 million -0.8%2.1%4.7 $68.00 10/29/20211,190,000 shares $80.04 million -24.2%2.2%4.7 $67.26 10/15/20211,570,000 shares $109.26 million -3.1%2.9%6.2 $69.59 9/30/20211,620,000 shares $116.32 million -0.6%2.9%7.1 $71.80 9/15/20211,630,000 shares $118.00 million No Change3.0%6.5 $72.39 8/31/20211,630,000 shares $116.99 million -3.6%3.0%6.6 $71.77 8/13/20211,690,000 shares $111.54 million -6.6%3.1%6.7 $66.00 7/30/20211,810,000 shares $126.86 million +5.9%3.3%6.9 $70.09 7/15/20211,710,000 shares $102.55 million -3.9%3.1%6.8 $59.97 6/30/20211,780,000 shares $115.09 million -11.9%3.3%7.1 $64.66 6/15/20212,020,000 shares $125.22 million -1.5%3.7%8 $61.99Trump’s Final Plan (Ad)Presidential insider exposes shocking plot to reshape U.S. economy: The 2025 Trump Reset -- Inside Trump’s secret plan to trigger the greatest transfer of wealth since FDR and LBJ – trillions of dollars could be redistributed.Click here for the full story. 5/28/20212,050,000 shares $123.70 million -0.5%3.7%7.8 $60.34 5/14/20212,060,000 shares $122.94 million +0.5%3.8%7.4 $59.68 4/30/20212,050,000 shares $129.79 million -10.1%3.8%7.4 $63.31 4/15/20212,280,000 shares $139.99 million -3.8%4.2%8.2 $61.40 3/31/20212,370,000 shares $141.16 million -8.9%4.4%8.3 $59.56 3/15/20212,600,000 shares $154.93 million -3.7%4.8%8.7 $59.59 2/26/20212,700,000 shares $148.10 million -6.6%5.0%8.7 $54.85 2/12/20212,890,000 shares $176.26 million -4.0%5.4%9.1 $60.99 1/29/20213,010,000 shares $166.48 million -4.1%5.6%9 $55.31 1/15/20213,140,000 shares $176.97 million -4.3%5.8%8.5 $56.36 12/31/20203,280,000 shares $179.61 million No Change6.1%8.7 $54.76 12/15/20203,280,000 shares $176.60 million -13.2%6.1%8.4 $53.84 11/30/20203,780,000 shares $207.14 million +0.8%7.0%8.9 $54.80 11/15/20203,750,000 shares $192.26 million -4.8%7.0%9.3 $51.27 10/30/20203,940,000 shares $203.26 million +10.1%7.3%9.8 $51.59 10/15/20203,580,000 shares $170.37 million +1.1%6.7%9.2 $47.59 9/30/20203,540,000 shares $153.99 million -10.4%6.6%8.8 $43.50 9/15/20203,950,000 shares $171.94 million +4.5%7.4%9.5 $43.53 8/31/20203,780,000 shares $185.60 million +0.8%7.0%10.2 $49.10 8/14/20203,750,000 shares $174.71 million +5.3%7.0%9.4 $46.59 7/31/20203,560,000 shares $159.20 million -13.4%6.6%8.7 $44.72 7/15/20204,110,000 shares $177.92 million -10.1%7.7%9.5 $43.29 6/30/20204,570,000 shares $200.71 million +2.5%8.5%10.3 $43.92 6/15/20204,460,000 shares $186.83 million -4.7%8.3%9.4 $41.89 5/29/20204,680,000 shares $203.86 million -4.5%8.7%8.3 $43.56 5/15/20204,900,000 shares $194.14 million No Change9.1%8.5 $39.62 4/30/20204,900,000 shares $200.02 million -11.1%9.2%8.4 $40.82 4/15/20205,510,000 shares $191.47 million -1.1%10.3%9.3 $34.75 3/31/20205,570,000 shares $223.97 million +0.2%10.4%8.2 $40.21 MMSI Short Interest - Frequently Asked Questions What is Merit Medical Systems' current short interest? Short interest is the volume of Merit Medical Systems shares that have been sold short but have not yet been covered or closed out. As of February 28th, investors have sold 3,010,000 shares of MMSI short. 5.36% of Merit Medical Systems' shares are currently sold short. Learn More on Merit Medical Systems' current short interest. What is a good short interest ratio for Merit Medical Systems? 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. MMSI shares currently have a short interest ratio of 6.0. Learn More on Merit Medical Systems's short interest ratio. Which institutional investors are shorting Merit Medical Systems? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Merit Medical Systems: Citadel Advisors LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Merit Medical Systems? 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. 5.36% of Merit Medical Systems' floating shares are currently sold short. How does Merit Medical Systems' short interest compare to its competitors? 5.36% of Merit Medical Systems' shares are currently sold short. Here is how the short interest of companies compare to Merit Medical Systems: West Pharmaceutical Services, Inc. (1.91%), The Cooper Companies, Inc. (1.57%), Align Technology, Inc. (5.48%), ICU Medical, Inc. (3.45%), Haemonetics Co. (13.02%), DENTSPLY SIRONA Inc. (4.08%), QuidelOrtho Co. (6.40%), Neogen Co. (10.78%), STAAR Surgical (9.37%), Cerus Co. (5.62%), 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 ($23.74 billion), iShares 20+ Year Treasury Bond ETF ($10.75 billion), MicroStrategy Incorporated ($6.56 billion), Apollo Global Management, Inc. ($5.40 billion), Charter Communications, Inc. ($4.57 billion), AppLovin Co. ($4.45 billion), Capital One Financial Co. ($4.33 billion), Super Micro Computer, Inc. ($4.23 billion), Schlumberger Limited ($3.22 billion), and Royal Caribbean Cruises Ltd. ($3.06 billion). View all of the most shorted stocks. What does it mean to sell short Merit Medical Systems stock? Short selling MMSI is an investing strategy that aims to generate trading profit from Merit Medical Systems as its price is falling. MMSI shares are trading up $0.06 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 Merit Medical Systems? A short squeeze for Merit Medical Systems 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 MMSI, which in turn drives the price of the stock up even further. How often is Merit Medical Systems' 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 MMSI, twice per month. The most recent reporting period available is February, 28 2025. More Short Interest Resources from MarketBeat Related Companies WST Short Squeeze COO Short Squeeze ALGN Short Squeeze ICUI Short Squeeze HAE Short Squeeze XRAY Short Squeeze QDEL Short Squeeze NEOG Short Squeeze STAA Short Squeeze CERS Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:MMSI) was last updated on 3/26/2025 by MarketBeat.com Staff From Our PartnersTrump’s Final Plan Presidential insider exposes shocking plot to reshape U.S. economy: The 2025 Trump Reset -- Inside Trump’...Porter & Company | SponsoredNew “Trump” currency proposed in DCAccording to one of the most connected men in Washington… A surprising new bill was just introduced in Wash...Paradigm Press | SponsoredDOGE could send 6 AI stocks through the roofStay alert for Elon Musk and the Department of Government Efficiency's next move … Expect an announcement f...Weiss Ratings | SponsoredTrump’s Secret WeaponHave you looked at the stock market recently? 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