Outset Medical (OM) Short Interest Ratio & Short Volume $12.80 -1.38 (-9.73%) Closing price 04:00 PM EasternExtended Trading$12.68 -0.12 (-0.94%) As of 04:38 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 TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Outset Medical Short Interest DataOutset Medical (OM) has a short interest of 2.19 million shares, representing 12.93% of the float (the number of shares available for trading by the public). This marks a -4.37% decrease in short interest from the previous month. The short interest ratio (days to cover) is 6.5, indicating that it would take 6.5 days of the average trading volume of 228,193 shares to cover all short positions.Current Short Interest2,190,000 sharesPrevious Short Interest2,290,000 sharesChange Vs. Previous Month-4.37%Dollar Volume Sold Short$39.60 millionShort Interest Ratio6.5 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares17,720,000 sharesFloat Size16,940,000 sharesShort Percent of Float12.93%Today's Trading Volume455,978 sharesAverage Trading Volume228,193 sharesToday's Volume Vs. Average200% Short Selling Outset Medical? Sign up to receive the latest short interest report for Outset Medical and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartOM Short Interest Over TimeOM Days to Cover Over TimeOM Percentage of Float Shorted Over Time Outset Medical Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20252,190,000 shares $39.60 million -4.4%12.9%6.5 $18.08 6/30/20252,290,000 shares $43.99 million +126.7%13.5%7.3 $19.21 6/15/20251,010,000 shares $20.16 million +78.9%6.0%4.1 $19.96 5/31/2025564,600 shares $10.02 million +0.5%3.3%3 $17.75 5/15/2025561,800 shares $10.98 million -49.8%3.3%3.6 $19.55 4/30/20251,120,000 shares $11.92 million +9.8%32.0%9.3 $10.64 4/15/20251,020,000 shares $11.61 million +16.3%29.1%10.3 $11.38 3/31/2025876,800 shares $9.70 million +11.3%25.1%8.4 $11.06 3/15/2025787,800 shares $6.53 million -93.0%22.5%9.3 $8.30 2/28/202511,230,000 shares $8.17 million +12.2%21.8%10.3 $0.73 Get the Latest News and Ratings for OM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Outset Medical and its competitors with MarketBeat's FREE daily newsletter. 2/15/202510,010,000 shares $9.00 million +10.2%19.4%9.2 $0.90 1/31/20259,080,000 shares $7.26 million +40.6%N/A8.3 $0.80 1/15/20256,460,000 shares $4.93 million +162.6%N/A5.9 $0.76 12/31/20242,460,000 shares $2.73 million -6.1%N/A2.6 $1.11 12/15/20242,620,000 shares $2.91 million -6.4%N/A3.4 $1.11 11/30/20242,800,000 shares $2.51 million -3.5%N/A2.9 $0.90 11/15/20242,900,000 shares $2.30 million -13.4%N/A2.8 $0.79 10/31/20243,350,000 shares $1.91 million -3.5%N/A2.3 $0.57 10/15/20243,470,000 shares $2.12 million No ChangeN/A1.9 $0.61 9/30/20243,470,000 shares $2.35 million -21.0%N/A1.9 $0.68 9/15/20244,390,000 shares $2.33 million +12.6%N/A2.2 $0.53 8/31/20243,900,000 shares $2.07 million +6.6%N/A2 $0.53 8/15/20243,660,000 shares $3.00 million -48.5%N/A2 $0.82 7/31/20247,100,000 shares $25.21 million -6.5%N/A4.8 $3.55 7/15/20247,590,000 shares $31.95 million -11.3%N/A6.1 $4.21 6/30/20248,560,000 shares $32.96 million -1.7%N/A6.3 $3.85 6/15/20248,710,000 shares $33.53 million No ChangeN/A7 $3.85 5/31/20248,710,000 shares $32.49 million -3.5%N/A7.1 $3.73 5/15/20249,030,000 shares $32.15 million -4.4%N/A6.8 $3.56 4/30/20249,450,000 shares $23.91 million +10.1%N/A7.7 $2.53 4/15/20248,580,000 shares $17.50 million +2.6%N/A9 $2.04 3/31/20248,360,000 shares $18.56 million -1.9%N/A8.2 $2.22 3/15/20248,520,000 shares $18.49 million +5.3%N/A8.4 $2.17 2/29/20248,090,000 shares $25.48 million +0.9%N/A8.1 $3.15 2/15/20248,020,000 shares $28.47 million -3.6%N/A8.8 $3.55 1/31/20248,320,000 shares $25.29 million +2.2%N/A7.7 $3.04 1/15/20248,140,000 shares $36.47 million +11.2%N/A6.5 $4.48 12/31/20237,320,000 shares $39.60 million -3.8%N/A5 $5.41 12/15/20237,610,000 shares $45.96 million -1.2%N/A5.3 $6.04 11/30/20237,700,000 shares $40.35 million -3.6%N/A5.6 $5.24Trump set to Boost Social Security Checks by 400%? (Ad)If you're collecting or planning to collect social security... You should see this presentation about President Trump's Executive Order #14196. Legendary investor Louis Navellier believes it could soon not only save Social Security from collapse... But BOOST benefits for millions of retirees by up to 400%. No wonder the financial times called this new initiative...Click here to see the details because the stakes couldn't be any higher. 11/15/20237,990,000 shares $41.23 million -5.1%N/A6.1 $5.16 10/31/20238,420,000 shares $29.81 million +3.3%N/A7 $3.54 10/15/20238,150,000 shares $27.63 million -1.5%N/A8.4 $3.39 9/30/20238,270,000 shares $89.98 million +8.4%N/A14.2 $10.88 9/15/20237,630,000 shares $93.93 million -0.3%N/A14.6 $12.31 8/31/20237,650,000 shares $104.12 million -1.4%17.5%15.6 $13.61 8/15/20237,760,000 shares $121.29 million -6.4%N/A16.3 $15.63 7/31/20238,290,000 shares $170.61 million +1.3%N/A17.2 $20.58 7/15/20238,180,000 shares $156.97 million +6.4%N/A17.7 $19.19 6/30/20237,690,000 shares $168.18 million +7.1%N/A16.7 $21.87 6/15/20237,180,000 shares $164.92 million -1.5%N/A15.4 $22.97 5/31/20237,290,000 shares $151.85 million +0.7%N/A14.1 $20.83 5/15/20237,240,000 shares $145.96 million +6.2%N/A13.5 $20.16 4/30/20236,820,000 shares $122.69 million -0.3%N/A11.8 $17.99 4/15/20236,840,000 shares $123.53 million +12.7%N/A12.6 $18.06 3/31/20236,070,000 shares $111.69 million +3.4%N/A11 $18.40 3/15/20235,870,000 shares $116.64 million +5.6%N/A10.7 $19.87 2/28/20235,560,000 shares $126.82 million +16.8%N/A11.2 $22.81 2/15/20234,760,000 shares $119.57 million -1.9%N/A9.5 $25.12 1/31/20234,850,000 shares $136.38 million +14.9%N/A9 $28.12 1/15/20234,220,000 shares $113.43 million +9.3%N/A7.6 $26.88 12/30/20223,860,000 shares $99.67 million +1.3%N/A7.3 $25.82 12/15/20223,810,000 shares $91.67 million -2.1%N/A7.5 $24.06 11/30/20223,890,000 shares $82.00 million -9.3%N/A7.5 $21.08 11/15/20224,290,000 shares $83.78 million -2.9%N/A8.7 $19.53 10/31/20224,420,000 shares $68.69 million -6.6%N/A10.2 $15.54 10/15/20224,730,000 shares $66.50 million +7.5%N/A9.8 $14.06 9/30/20224,400,000 shares $70.09 million -2.0%N/A8.5 $15.93 9/15/20224,490,000 shares $83.07 million +4.7%N/A8.3 $18.50 8/31/20224,290,000 shares $78.46 million -5.9%N/A6 $18.29 8/15/20224,560,000 shares $98.95 million +5.6%N/A6.2 $21.70 7/31/20224,320,000 shares $66.74 million +8.5%N/A5.2 $15.45 7/15/20223,980,000 shares $66.27 million -3.4%N/A5.5 $16.65 6/30/20224,120,000 shares $61.22 million -37.4%N/A6.1 $14.86 6/15/20226,580,000 shares $95.94 million +5.1%N/A10 $14.58 5/31/20226,260,000 shares $136.47 million +3.5%N/A14 $21.80 5/15/20226,050,000 shares $150.40 million -9.7%N/A14.3 $24.86 4/30/20226,700,000 shares $233.70 million +0.5%N/A17.5 $34.88 4/15/20226,670,000 shares $292.55 million +0.8%N/A18.8 $43.86 3/31/20226,620,000 shares $300.55 million +5.1%N/A15.9 $45.40 3/15/20226,300,000 shares $250.99 million -1.4%N/A15.3 $39.84 2/28/20226,390,000 shares $280.97 million +3.9%N/A13.1 $43.97 2/15/20226,150,000 shares $218.69 million +4.2%N/A12.1 $35.56 1/31/20225,900,000 shares $219.42 million +6.1%N/A12.4 $37.19 1/15/20225,560,000 shares $202.44 million +5.5%N/A11.4 $36.41 12/31/20215,270,000 shares $242.89 million +2.1%N/A12.4 $46.09 12/15/20215,160,000 shares $230.55 million +14.7%N/A11.6 $44.68 11/30/20214,500,000 shares $213.30 million No ChangeN/A10.6 $47.40 11/15/20214,500,000 shares $235.49 million +5.9%N/A10.3 $52.33 10/29/20214,250,000 shares $226.40 million -3.9%N/A9.2 $53.27Trump set to Boost Social Security Checks by 400%? (Ad)If you're collecting or planning to collect social security... You should see this presentation about President Trump's Executive Order #14196. Legendary investor Louis Navellier believes it could soon not only save Social Security from collapse... But BOOST benefits for millions of retirees by up to 400%. No wonder the financial times called this new initiative...Click here to see the details because the stakes couldn't be any higher. 10/15/20214,420,000 shares $215.03 million +4.0%9.8%9.1 $48.65 9/30/20214,250,000 shares $210.12 million +29.6%10.6%8.6 $49.44 9/15/20213,280,000 shares $169.41 million +15.1%7.3%5.6 $51.65 8/31/20212,850,000 shares $140.48 million +3.6%6.3%5.1 $49.29 8/13/20212,750,000 shares $107.25 million -13.8%6.1%4.8 $39.00 7/30/20213,190,000 shares $130.66 million -7.3%7.1%5.6 $40.96 7/15/20213,440,000 shares $149.71 million +1.5%7.7%6.4 $43.52 6/30/20213,390,000 shares $169.43 million +40.7%7.6%6 $49.98 6/15/20212,410,000 shares $116.33 million -0.4%5.4%4.4 $48.27 5/28/20212,420,000 shares $116.81 million +4.3%5.4%4.4 $48.27 5/14/20212,320,000 shares $96.26 million +18.4%5.2%4.7 $41.49 4/30/20211,960,000 shares $114.01 million -6.7%4.4%4.4 $58.17 4/15/20212,100,000 shares $114.45 million +60.3%4.8%5.3 $54.50 3/31/20211,310,000 shares $67.99 million +4.0%3.8%3.4 $51.90 3/15/20211,260,000 shares $64.40 million +35.2%3.6%4 $51.11 2/26/2021932,000 shares $46.20 million +1.6%2.7%3 $49.57 2/12/2021917,100 shares $52.25 million -3.6%2.6%2.9 $56.97 1/29/2021951,200 shares $50.41 million -11.1%2.7%2.9 $53.00 1/15/20211,070,000 shares $52.73 million No Change3.1%3.2 $49.28 OM Short Interest - Frequently Asked Questions What is Outset Medical's current short interest? Short interest is the volume of Outset Medical shares that have been sold short but have not yet been closed out or covered. As of July 15th, traders have sold 2,190,000 shares of OM short. 12.93% of Outset Medical's shares are currently sold short. Learn More on Outset Medical's current short interest. What is a good short interest ratio for Outset Medical? 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. OM shares currently have a short interest ratio of 6.0. Learn More on Outset Medical's short interest ratio. Which institutional investors are shorting Outset Medical? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Outset Medical: 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 Outset Medical? 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. 12.93% of Outset Medical's floating shares are currently sold short. Is Outset Medical's short interest increasing or decreasing? Outset Medical saw a decrease in short interest in the month of July. As of July 15th, there was short interest totaling 2,190,000 shares, a decrease of 4.4% from the previous total of 2,290,000 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. What is Outset Medical's float size? Outset Medical currently has issued a total of 17,720,000 shares. Some of Outset Medical'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. Outset Medical currently has a public float of 16,940,000 shares. How does Outset Medical's short interest compare to its competitors? 12.93% of Outset Medical's shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Outset Medical: MiMedx Group, Inc (3.73%), Tandem Diabetes Care, Inc. (15.16%), BioLife Solutions, Inc. (8.84%), Pulse Biosciences, Inc (19.37%), InMode Ltd. (5.24%), iRadimed Corporation (2.84%), SiBone (4.41%), Embecta Corp. (6.49%), AxoGen, Inc. (6.72%), ZimVie Inc. (2.30%), 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 Outset Medical stock? Short selling OM is an investing strategy that aims to generate trading profit from Outset Medical as its price is falling. OM shares are trading down $1.36 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 Outset Medical? A short squeeze for Outset Medical 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 OM, which in turn drives the price of the stock up even further. How often is Outset Medical'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 OM, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies MiMedx Group Short Squeeze Tandem Diabetes Care Short Squeeze BioLife Solutions Short Squeeze Pulse Biosciences Short Squeeze InMode Short Squeeze iRadimed Short Squeeze SiBone Short Squeeze Embecta Short Squeeze AxoGen Short Squeeze ZimVie 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:OM) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredSell this, buy thatWhat you don’t own matters just as much as what you do. 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