Thermo Fisher Scientific (TMO) Short Interest Ratio & Short Volume $559.72 -1.99 (-0.35%) As of 01/17/2025 03:59 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Thermo Fisher Scientific Short Interest DataThermo Fisher Scientific (TMO) has a short interest of 3.52 million shares, representing 0.92% of the float (the number of shares available for trading by the public). This marks a -11.11% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.0, indicating that it would take 2.0 days of the average trading volume of 1.43 million shares to cover all short positions.Current Short Interest3,520,000 sharesPrevious Short Interest3,960,000 sharesChange Vs. Previous Month-11.11%Dollar Volume Sold Short$1.83 billionShort Interest Ratio2.0 Days to CoverLast Record DateDecember 31, 2024Outstanding Shares382,500,000 sharesFloat Size381,990,000 sharesShort Percent of Float0.92%Today's Trading Volume2,134,669 sharesAverage Trading Volume1,426,114 sharesToday's Volume Vs. Average150% Short Selling Thermo Fisher Scientific? Sign up to receive the latest short interest report for Thermo Fisher Scientific and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartTMO Short Interest Over TimeTMO Days to Cover Over TimeTMO Percentage of Float Shorted Over Time Thermo Fisher Scientific Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 12/31/20243,520,000 shares $1.83 billion -11.1%0.9%2 $520.23 12/15/20243,960,000 shares $2.09 billion +11.9%1.0%2.3 $526.89 11/30/20243,540,000 shares $1.87 billion +9.6%0.9%2.2 $529.63 11/15/20243,230,000 shares $1.66 billion +10.2%0.9%2.2 $513.08 10/31/20242,930,000 shares $1.60 billion -3.9%0.8%2.4 $546.55 10/15/20243,050,000 shares $1.83 billion -11.6%0.8%2.3 $600.52 9/30/20243,450,000 shares $2.13 billion -13.5%0.9%2.6 $618.57 9/15/20243,990,000 shares $2.44 billion +12.7%1.1%2.7 $611.17 8/31/20243,540,000 shares $2.18 billion +6.6%0.9%2.3 $615.07 8/15/20243,320,000 shares $2.00 billion -7.3%0.9%2.1 $603.69 Get the Latest News and Ratings for TMO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Thermo Fisher Scientific and its competitors with MarketBeat's FREE daily newsletter. 7/31/20243,580,000 shares $2.20 billion +17.8%0.9%2.3 $613.34 7/15/20243,040,000 shares $1.65 billion -10.3%0.8%2 $544.30 6/30/20243,390,000 shares $1.87 billion +6.3%0.9%2.3 $553.00 6/15/20243,190,000 shares $1.82 billion -1.5%0.8%2.3 $572.05 5/31/20243,240,000 shares $1.84 billion +15.7%0.9%2.4 $567.98 5/15/20242,800,000 shares $1.68 billion +1.1%0.7%2.1 $599.02 4/30/20242,770,000 shares $1.58 billion +7.0%0.7%2 $568.74 4/15/20242,590,000 shares $1.44 billion +0.4%0.7%1.8 $557.87 3/31/20242,580,000 shares $1.50 billion -24.8%0.7%1.7 $581.21 3/15/20243,430,000 shares $2.00 billion +16.7%0.9%2.2 $584.15 2/29/20242,940,000 shares $1.67 billion +1.0%0.8%1.7 $569.25 2/15/20242,910,000 shares $1.60 billion +1.0%0.8%1.7 $548.57 1/31/20242,880,000 shares $1.55 billion -1.4%0.8%1.6 $538.93 1/15/20242,920,000 shares $1.59 billion -0.3%0.8%1.5 $544.32 12/31/20232,930,000 shares $1.56 billion +0.7%0.8%1.5 $530.79 12/15/20232,910,000 shares $1.51 billion +16.4%0.8%1.6 $518.40 11/30/20232,500,000 shares $1.24 billion -8.1%0.7%1.4 $495.76 11/15/20232,720,000 shares $1.28 billion -1.1%0.7%1.5 $470.59 10/31/20232,750,000 shares $1.22 billion +0.4%0.7%1.7 $444.85 10/15/20232,740,000 shares $1.32 billion +13.7%0.7%1.9 $482.85 9/30/20232,410,000 shares $1.22 billion -13.0%0.6%1.7 $506.17 9/15/20232,770,000 shares $1.43 billion +6.1%0.7%1.9 $515.42 8/31/20232,610,000 shares $1.45 billion +2.0%0.7%1.8 $557.10 8/15/20232,560,000 shares $1.37 billion -15.8%0.7%1.6 $534.40 7/31/20233,040,000 shares $1.67 billion +11.4%0.8%1.8 $548.66 7/15/20232,730,000 shares $1.45 billion -2.5%0.7%1.6 $529.36 6/30/20232,800,000 shares $1.46 billion +1.5%0.7%1.8 $521.38 6/15/20232,760,000 shares $1.48 billion -11.3%0.7%1.8 $535.11 5/31/20233,110,000 shares $1.58 billion +3.3%0.8%2.1 $508.46 5/15/20233,010,000 shares $1.58 billion -1.6%0.8%2.3 $523.68Grab This Altcoin Before Trump's Crypto Announcement (Ad)The #1 Coin Poised to Soar Under Trump Pro-Crypto White House could make this the investment opportunity of a lifetime! Click HERE to access this free report before it's too late 4/30/20233,060,000 shares $1.70 billion +3.7%0.8%2.5 $554.90 4/15/20232,950,000 shares $1.74 billion -3.0%0.8%2.4 $588.84 3/31/20233,040,000 shares $1.75 billion +5.6%0.8%2.3 $576.37 3/15/20232,880,000 shares $1.56 billion +15.2%0.8%2.1 $542.70 2/28/20232,500,000 shares $1.35 billion -5.7%0.7%1.7 $541.76 2/15/20232,650,000 shares $1.50 billion +12.3%0.7%1.8 $566.83 1/31/20232,360,000 shares $1.35 billion -22.6%0.6%1.5 $570.33 1/15/20233,050,000 shares $1.78 billion +8.2%0.8%1.8 $583.84 12/30/20222,820,000 shares $1.55 billion -7.2%0.7%1.7 $550.69 12/15/20223,040,000 shares $1.68 billion +5.9%0.8%1.9 $553.79 11/30/20222,870,000 shares $1.61 billion -3.7%0.7%1.9 $560.22 11/15/20222,980,000 shares $1.63 billion +2.1%0.8%2 $546.09 10/31/20222,920,000 shares $1.50 billion -3.3%0.8%2.1 $513.97 10/15/20223,020,000 shares $1.52 billion +4.9%0.8%2.4 $503.05 9/30/20222,880,000 shares $1.46 billion -8.3%0.7%2.3 $507.19 9/15/20223,140,000 shares $1.73 billion +18.9%0.8%2.7 $551.98 8/31/20222,640,000 shares $1.44 billion -6.4%0.7%2.2 $545.32 8/15/20222,820,000 shares $1.70 billion +6.0%0.7%2.3 $604.49 7/31/20222,660,000 shares $1.59 billion -3.3%0.7%2 $598.41 7/15/20222,750,000 shares $1.48 billion -6.8%0.7%1.9 $538.87 6/30/20222,950,000 shares $1.60 billion +13.5%N/A2.1 $543.28 6/15/20222,600,000 shares $1.34 billion -14.5%N/A1.8 $514.76 5/31/20223,040,000 shares $1.73 billion -7.9%0.8%2.1 $567.57 5/15/20223,300,000 shares $1.79 billion -2.7%0.8%2.2 $541.42 4/30/20223,390,000 shares $1.87 billion +39.5%0.9%2.2 $552.92 4/15/20222,430,000 shares $1.38 billion -13.5%0.6%1.6 $568.90 3/31/20222,810,000 shares $1.66 billion +4.5%0.7%1.7 $590.65 3/15/20222,690,000 shares $1.48 billion +0.4%0.7%1.7 $550.64 2/28/20222,680,000 shares $1.46 billion +3.5%0.7%1.7 $544.00 2/15/20222,590,000 shares $1.44 billion +7.5%N/A1.6 $556.67 1/31/20222,410,000 shares $1.40 billion -11.4%N/A1.6 $581.30 1/15/20222,720,000 shares $1.62 billion +7.9%N/A1.8 $594.80 12/31/20212,520,000 shares $1.68 billion -7.4%N/A1.9 $667.24 12/15/20212,720,000 shares $1.78 billion -2.5%N/A2.1 $655.74 11/30/20212,790,000 shares $1.77 billion +6.1%N/A2 $632.83 11/15/20212,630,000 shares $1.66 billion +7.4%N/A2.1 $632.36 10/29/20212,450,000 shares $1.55 billion -5.8%N/A2 $633.07 10/15/20212,600,000 shares $1.51 billion +1.2%0.7%2.2 $582.39 9/30/20212,570,000 shares $1.47 billion -0.8%0.7%2.2 $571.33 9/15/20212,590,000 shares $1.46 billion -3.7%0.7%2.1 $562.96 8/31/20212,690,000 shares $1.49 billion -5.0%0.7%2.2 $554.95 8/13/20212,830,000 shares $1.54 billion -4.4%0.7%1.9 $544.64 7/30/20212,960,000 shares $1.60 billion -1.3%0.8%1.9 $540.01 7/15/20213,000,000 shares $1.54 billion -1.6%0.8%1.8 $514.48 6/30/20213,050,000 shares $1.54 billion +8.5%0.8%1.7 $504.47 6/15/20212,810,000 shares $1.32 billion -13.0%0.7%1.6 $470.08 5/28/20213,230,000 shares $1.52 billion -8.2%0.8%1.8 $469.50 5/14/20213,520,000 shares $1.61 billion +10.3%0.9%2.1 $456.92 4/30/20213,190,000 shares $1.48 billion -1.5%0.8%1.8 $464.39 4/15/20213,240,000 shares $1.55 billion +19.1%0.8%1.8 $478.04Grab This Altcoin Before Trump's Crypto Announcement (Ad)The #1 Coin Poised to Soar Under Trump Pro-Crypto White House could make this the investment opportunity of a lifetime! Click HERE to access this free report before it's too late 3/31/20212,720,000 shares $1.23 billion -13.4%0.7%1.5 $451.47 3/15/20213,140,000 shares $1.41 billion +14.2%0.8%1.8 $450.49 2/26/20212,750,000 shares $1.24 billion -3.5%0.7%1.6 $451.47 2/12/20212,850,000 shares $1.41 billion -3.4%0.7%1.6 $494.05 1/29/20212,950,000 shares $1.46 billion +17.5%0.8%1.6 $496.48 1/15/20212,510,000 shares $1.25 billion -9.1%0.6%1.4 $496.91 12/31/20202,760,000 shares $1.27 billion +17.5%0.7%1.6 $461.73 12/15/20202,350,000 shares $1.10 billion -6.0%0.6%1.5 $467.13 11/30/20202,500,000 shares $1.13 billion +7.8%0.6%1.6 $453.40 11/15/20202,320,000 shares $1.13 billion -2.5%0.6%1.5 $488.59 10/30/20202,380,000 shares $1.12 billion +7.7%0.6%1.7 $471.88 10/15/20202,210,000 shares $1.03 billion -6.8%0.6%1.8 $467.01 9/30/20202,370,000 shares $1.05 billion -23.1%0.6%1.9 $441.52 9/15/20203,080,000 shares $1.34 billion +21.7%0.8%2.4 $435.10 8/31/20202,530,000 shares $1.09 billion -3.4%0.6%1.9 $428.98 8/14/20202,620,000 shares $1.08 billion -14.1%0.7%2 $413.76 7/31/20203,050,000 shares $1.26 billion -2.2%0.8%2.2 $413.95 7/15/20203,120,000 shares $1.21 billion +4.0%0.8%2.1 $387.46 6/30/20203,000,000 shares $1.09 billion -18.0%0.8%1.9 $362.34 6/15/20203,660,000 shares $1.25 billion +6.1%0.9%2.1 $340.82 5/29/20203,450,000 shares $1.20 billion -1.7%0.9%1.6 $349.19 5/15/20203,510,000 shares $1.20 billion +5.1%0.9%1.5 $342.92 4/30/20203,340,000 shares $1.12 billion -4.6%0.9%1.4 $334.68 4/15/20203,500,000 shares $1.14 billion -7.7%0.9%1.5 $325.83 3/31/20203,790,000 shares $1.25 billion -16.2%1.0%1.7 $328.70 3/13/20204,525,000 shares $1.44 billion +9.8%1.1%2.8 $317.38 2/28/20204,120,000 shares $1.05 billion +7.0%1.0%2.6 $255.30 2/14/20203,850,000 shares $1.18 billion +40.5%N/A2.8 $307.70 1/31/20202,740,000 shares $847.10 million -22.8%N/A2.2 $309.16 TMO Short Interest - Frequently Asked Questions What is Thermo Fisher Scientific's current short interest? Short interest is the volume of Thermo Fisher Scientific shares that have been sold short but have not yet been covered or closed out. As of December 31st, investors have sold 3,520,000 shares of TMO short. 0.92% of Thermo Fisher Scientific's shares are currently sold short. Learn More on Thermo Fisher Scientific's current short interest. What is a good short interest ratio for Thermo Fisher Scientific? 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. TMO shares currently have a short interest ratio of 2.0. Learn More on Thermo Fisher Scientific's short interest ratio. Which institutional investors are shorting Thermo Fisher Scientific? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Thermo Fisher Scientific: JPMorgan Chase & Co., Barclays PLC, Jane Street Group LLC, Wolverine Trading LLC, Readystate Asset Management LP, Point72 DIFC Ltd, Point72 Asset Management L.P., Parallax Volatility Advisers L.P., Maven Securities LTD, Centiva Capital LP, Garda Capital Partners LP, Verition Fund Management LLC, Capstone Investment Advisors LLC, Walleye Trading LLC, Walleye Capital LLC, PEAK6 Investments LLC, BNP Paribas Financial Markets, Citigroup Inc., LPL Financial LLC, One River Asset Management LLC, LMR Partners LLP, Gladius Capital Management LP, and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Thermo Fisher Scientific? 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. 0.92% of Thermo Fisher Scientific's floating shares are currently sold short. Is Thermo Fisher Scientific's short interest increasing or decreasing? Thermo Fisher Scientific saw a decrease in short interest in the month of December. As of December 31st, there was short interest totaling 3,520,000 shares, a decrease of 11.1% from the previous total of 3,960,000 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 Thermo Fisher Scientific's float size? Thermo Fisher Scientific currently has issued a total of 382,500,000 shares. Some of Thermo Fisher Scientific'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. Thermo Fisher Scientific currently has a public float of 381,990,000 shares. How does Thermo Fisher Scientific's short interest compare to its competitors? 0.92% of Thermo Fisher Scientific's shares are currently sold short. Here is how the short interest of companies compare to Thermo Fisher Scientific: Agilent Technologies, Inc. (1.02%), Mettler-Toledo International Inc. (1.57%), Waters Co. (3.12%), Illumina, Inc. (3.18%), Bio-Techne Co. (2.37%), Bio-Rad Laboratories, Inc. (3.42%), Charles River Laboratories International, Inc. (4.42%), Bruker Co. (6.02%), Pacific Biosciences of California, Inc. (20.76%), Harvard Bioscience, Inc. (1.50%), 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. ($5.83 billion), Charter Communications, Inc. ($3.77 billion), Reddit, Inc. ($2.98 billion), The Kroger Co. ($2.97 billion), International Paper ($2.64 billion), SoFi Technologies, Inc. ($1.99 billion), Rivian Automotive, Inc. ($1.93 billion), Onsemi ($1.81 billion), SoundHound AI, Inc. ($1.59 billion), and Moderna, Inc. ($1.57 billion). View all of the most shorted stocks. What does it mean to sell short Thermo Fisher Scientific stock? Short selling TMO is an investing strategy that aims to generate trading profit from Thermo Fisher Scientific as its price is falling. TMO shares are trading down $1.99 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 Thermo Fisher Scientific? A short squeeze for Thermo Fisher Scientific 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 TMO, which in turn drives the price of the stock up even further. How often is Thermo Fisher Scientific'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 TMO, twice per month. The most recent reporting period available is December, 31 2024. More Short Interest Resources from MarketBeat Related Companies A Short Interest Data MTD Short Interest Data WAT Short Interest Data ILMN Short Interest Data TECH Short Interest Data BIO Short Interest Data CRL Short Interest Data BRKR Short Interest Data PACB Short Interest Data HBIO 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 (NYSE:TMO) was last updated on 1/20/2025 by MarketBeat.com Staff From Our PartnersMust-See: 5-Second Trump PredictionPresident Trump's prediction is about to become a reality... Opening a rare window of opportunity for you t...InvestorPlace | SponsoredJanuary 29th - the next big trading catalyst to watch Mark your calendar for January 29th. 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