Mirion Technologies (MIR) Short Interest Ratio & Short Volume $20.76 -0.02 (-0.09%) Closing price 07/15/2025 03:59 PM EasternExtended Trading$20.50 -0.27 (-1.29%) As of 07/15/2025 07:56 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Mirion Technologies Short Interest DataMirion Technologies (MIR) has a short interest of 13.51 million shares, representing 6.27% of the float (the number of shares available for trading by the public). This marks a -0.15% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.6, indicating that it would take 4.6 days of the average trading volume of 2.16 million shares to cover all short positions.Current Short Interest13,510,000 sharesPrevious Short Interest13,530,000 sharesChange Vs. Previous Month-0.15%Dollar Volume Sold Short$291.68 millionShort Interest Ratio4.6 Days to CoverLast Record DateJune 30, 2025Outstanding Shares231,930,000 sharesFloat Size215,600,000 sharesShort Percent of Float6.27%Today's Trading Volume1,418,137 sharesAverage Trading Volume2,158,023 sharesToday's Volume Vs. Average66% Short Selling Mirion Technologies? Sign up to receive the latest short interest report for Mirion Technologies and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMIR Short Interest Over TimeMIR Days to Cover Over TimeMIR Percentage of Float Shorted Over Time Mirion Technologies Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/202513,510,000 shares $291.68 million -0.2%6.3%4.6 $21.59 6/15/202513,530,000 shares $269.65 million +15.7%6.3%5.2 $19.93 5/31/202511,690,000 shares $223.75 million +64.2%5.4%5 $19.14 5/15/20257,120,000 shares $121.82 million +0.3%3.3%3.3 $17.11 4/30/20257,100,000 shares $112.04 million +9.6%3.3%3.8 $15.78 4/15/20256,480,000 shares $90.18 million +8.7%3.0%3.3 $13.92 3/31/20255,960,000 shares $86.47 million +17.1%2.8%2.9 $14.51 3/15/20255,090,000 shares $73.49 million +10.2%2.4%2.5 $14.44 2/28/20254,620,000 shares $71.86 million +0.7%2.1%2.2 $15.56 2/15/20254,590,000 shares $74.92 million +16.5%2.1%2.2 $16.32 Get the Latest News and Ratings for MIR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mirion Technologies and its competitors with MarketBeat's FREE daily newsletter. 1/31/20253,940,000 shares $62.37 million -3.7%1.8%1.8 $15.83 1/15/20254,090,000 shares $67.16 million -15.0%1.9%1.8 $16.42 12/31/20244,810,000 shares $83.93 million +7.9%2.2%2 $17.45 12/15/20244,460,000 shares $80.41 million -5.3%2.1%1.8 $18.03 11/30/20244,710,000 shares $79.46 million +4.2%2.1%2 $16.87 11/15/20244,520,000 shares $68.61 million +23.2%2.0%2.1 $15.18 10/31/20243,670,000 shares $54.32 million -16.2%1.6%2 $14.80 10/15/20244,380,000 shares $60.01 million -0.5%2.0%2.9 $13.70 9/30/20244,400,000 shares $48.71 million +11.7%2.1%3.5 $11.07 9/15/20243,940,000 shares $39.16 million -12.3%1.8%4.1 $9.94 8/31/20244,490,000 shares $48.67 million +6.2%2.1%5 $10.84 8/15/20244,230,000 shares $44.73 million +3.4%2.0%4.7 $10.58 7/31/20244,090,000 shares $43.11 million -30.8%1.9%4.4 $10.54 7/15/20245,910,000 shares $64.95 million +48.1%2.8%5.9 $10.99 6/30/20243,990,000 shares $42.85 million -9.5%1.9%4 $10.74 6/15/20244,410,000 shares $45.60 million +31.3%2.1%4.3 $10.34 5/31/20243,360,000 shares $36.49 million -36.2%1.6%2.9 $10.86 5/15/20245,270,000 shares $55.70 million -18.9%2.5%4.4 $10.57 4/30/20246,500,000 shares $70.59 million -7.4%3.1%4.7 $10.86 4/15/20247,020,000 shares $73.46 million -1.5%3.4%5.7 $10.47 3/31/20247,130,000 shares $81.07 million +21.3%3.4%5.9 $11.37 3/15/20245,880,000 shares $60.56 million -0.8%2.8%5.1 $10.30 2/29/20245,930,000 shares $58.00 million -5.3%2.8%5.2 $9.78 2/15/20246,260,000 shares $62.73 million -7.9%3.0%5.9 $10.02 1/31/20246,800,000 shares $64.26 million -8.7%3.3%7.4 $9.45 1/15/20247,450,000 shares $72.34 million +1.2%3.6%7.8 $9.71 12/31/20237,360,000 shares $75.44 million -12.6%3.6%7.6 $10.25 12/15/20238,420,000 shares $85.21 million +13.0%4.1%8.2 $10.12 11/30/20237,450,000 shares $66.45 million -4.1%3.6%7.2 $8.92 11/15/20237,770,000 shares $67.68 million -24.9%3.8%7.4 $8.71Why Elon is funding the “Quantum Power Grid” (Ad)Elon knows the future isn’t about smarter AI — it’s about powering it. And this new technology is quietly becoming one of the most profitable stories of the year.Chris Rowe just shared the full details in a live presentation… Watch it here before it comes down. 10/31/202310,350,000 shares $71.73 million +42.8%5.0%9.6 $6.93 10/15/20237,250,000 shares $51.55 million -19.0%3.5%6.7 $7.11 9/30/20238,950,000 shares $66.86 million +17.8%4.3%8 $7.47 9/15/20237,600,000 shares $58.82 million -0.9%3.7%7 $7.74 8/31/20237,670,000 shares $65.50 million -0.9%3.7%6.4 $8.54 8/15/20237,740,000 shares $59.17 million -3.6%3.7%6.2 $7.65 7/31/20238,030,000 shares $60.63 million -36.7%3.9%6.1 $7.55 7/15/202312,680,000 shares $103.60 million +34.9%6.1%9.6 $8.17 6/30/20239,400,000 shares $79.43 million +9.9%4.6%7.2 $8.45 6/15/20238,550,000 shares $70.11 million +15.7%4.1%6.4 $8.20 5/31/20237,390,000 shares $58.45 million -7.4%3.6%6.3 $7.91 5/15/20237,980,000 shares $60.01 million -3.2%3.9%5.7 $7.52 4/30/20238,240,000 shares $66.74 million +3.1%4.1%5.8 $8.10 4/15/20237,990,000 shares $67.28 million -30.6%4.0%5.6 $8.42 3/31/202311,510,000 shares $98.30 million +37.7%5.8%7.1 $8.54 3/15/20238,360,000 shares $62.20 million -5.8%4.2%4.8 $7.44 2/28/20238,870,000 shares $80.54 million +2.8%4.7%5 $9.08 2/15/20238,630,000 shares $74.30 million -0.8%5.0%5.4 $8.61 1/31/20238,700,000 shares $69.17 million +4.7%5.0%5.8 $7.95 1/15/20238,310,000 shares $61.66 million -15.0%4.8%5.4 $7.42 12/30/20229,780,000 shares $64.65 million +19.7%5.7%6.6 $6.61 12/15/20228,170,000 shares $47.88 million +5.3%4.7%5.8 $5.86 11/30/20227,760,000 shares $49.51 million -3.0%4.5%6.3 $6.38 11/15/20228,000,000 shares $51.12 million -7.0%4.6%6.7 $6.39 10/31/20228,600,000 shares $69.49 million -0.7%4.9%7.6 $8.08 10/15/20228,660,000 shares $62.96 million -26.1%5.0%9.4 $7.27 9/30/202211,720,000 shares $87.55 million +39.5%6.7%13 $7.47 9/15/20228,400,000 shares $63.84 million +9.5%4.8%7 $7.60 8/31/20227,670,000 shares $58.06 million -4.5%4.4%5.7 $7.57 8/15/20228,030,000 shares $64.08 million -5.9%4.6%5.6 $7.98 7/31/20228,530,000 shares $58.00 million -12.8%4.9%5.4 $6.80 7/15/20229,780,000 shares $57.31 million +16.3%5.6%5.9 $5.86 6/30/20228,410,000 shares $48.44 million +41.3%4.9%5 $5.76 6/15/20225,950,000 shares $41.53 million +2.6%3.4%3.7 $6.98 5/31/20225,800,000 shares $46.40 million +33.0%3.4%4.8 $8.00 5/15/20224,360,000 shares $30.61 million -22.3%2.5%3.6 $7.02 4/30/20225,610,000 shares $44.26 million +23.0%3.2%5.1 $7.89 4/15/20224,560,000 shares $36.57 million -2.6%2.6%4.3 $8.02 3/31/20224,680,000 shares $37.77 million +7.8%2.7%4.4 $8.07 3/15/20224,340,000 shares $33.07 million -31.2%2.5%3.9 $7.62 2/28/20226,310,000 shares $53.89 million +33.4%3.6%4.7 $8.54 2/15/20224,730,000 shares $42.66 million +11.6%2.7%3.5 $9.02 1/31/20224,240,000 shares $35.66 million -1.4%2.4%2.9 $8.41 1/15/20224,300,000 shares $39.52 million -25.6%2.5%2.7 $9.19 12/31/20215,780,000 shares $60.52 million No Change3.3%3 $10.47 MIR Short Interest - Frequently Asked Questions What is Mirion Technologies' current short interest? Short interest is the volume of Mirion Technologies shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 13,510,000 shares of MIR short. 6.27% of Mirion Technologies' shares are currently sold short. Learn More on Mirion Technologies' current short interest. What is a good short interest ratio for Mirion Technologies? 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. MIR shares currently have a short interest ratio of 5.0. Learn More on Mirion Technologies's short interest ratio. Which institutional investors are shorting Mirion Technologies? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Mirion Technologies: Walleye Trading 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 Mirion Technologies? 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. 6.27% of Mirion Technologies' floating shares are currently sold short. Is Mirion Technologies' short interest increasing or decreasing? Mirion Technologies saw a decline in short interest in June. As of June 30th, there was short interest totaling 13,510,000 shares, a decline of 0.1% from the previous total of 13,530,000 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 Mirion Technologies' float size? Mirion Technologies currently has issued a total of 231,930,000 shares. Some of Mirion Technologies' 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. Mirion Technologies currently has a public float of 215,600,000 shares. How does Mirion Technologies' short interest compare to its competitors? 6.27% of Mirion Technologies' shares are currently sold short. Here is how the short interest of companies in the industry of "measuring and control equipment" compare to Mirion Technologies: Fortive Corporation (1.77%), Teradyne, Inc. (4.33%), Revvity Inc. (5.06%), Avantor, Inc. (4.96%), Nova Ltd. (5.67%), Vontier Corporation (0.38%), Sensata Technologies Holding N.V. (3.20%), Camtek Ltd. (13.05%), 10x Genomics (1.14%), Transcat, Inc. (5.01%), 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 ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Mirion Technologies stock? Short selling MIR is an investing strategy that aims to generate trading profit from Mirion Technologies as its price is falling. MIR shares are trading down $0.02 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 Mirion Technologies? A short squeeze for Mirion Technologies 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 MIR, which in turn drives the price of the stock up even further. How often is Mirion Technologies' 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 MIR, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies FTV Short Interest TER Short Interest RVTY Short Interest AVTR Short Interest NVMI Short Interest VNT Short Interest ST Short Interest CAMT Short Interest TXG Short Interest TRNS Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:MIR) was last updated on 7/16/2025 by MarketBeat.com Staff From Our Partners3..2..1.. AI 2.0 ignition (don’t sleep on this)I just put together an urgent new presentation that you need to see right away. 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