Mercury Systems (MRCY) Short Interest Ratio & Short Volume $46.55 -0.04 (-0.09%) Closing price 04:00 PM EasternExtended Trading$46.02 -0.53 (-1.15%) As of 07:47 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 InterestSustainabilityTrendsBuy This Stock Mercury Systems Short Interest DataMercury Systems (MRCY) has a short interest of 3.83 million shares, representing 6.52% of the float (the number of shares available for trading by the public). This marks a -0.78% decrease in short interest from the previous month. The short interest ratio (days to cover) is 7.1, indicating that it would take 7.1 days of the average trading volume of 534,517 shares to cover all short positions.Current Short Interest3,830,000 sharesPrevious Short Interest3,860,000 sharesChange Vs. Previous Month-0.78%Dollar Volume Sold Short$170.09 millionShort Interest Ratio7.1 Days to CoverLast Record DateFebruary 28, 2025Outstanding Shares59,681,000 sharesShort Percent of Float6.52%Today's Trading Volume528,341 sharesAverage Trading Volume534,517 sharesToday's Volume Vs. Average99% Short Selling Mercury Systems? Sign up to receive the latest short interest report for Mercury 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 ChartMRCY Short Interest Over TimeMRCY Days to Cover Over TimeMRCY Percentage of Float Shorted Over Time Remove Ads Mercury 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 2/28/20253,830,000 shares $170.09 million -0.8%6.5%7.1 $44.41 2/15/20253,860,000 shares $171.58 million -6.5%6.6%7.4 $44.45 1/31/20254,130,000 shares $172.18 million -5.3%N/A7.6 $41.69 1/15/20254,360,000 shares $188.70 million +1.2%N/A9.2 $43.28 12/31/20244,310,000 shares $181.02 million -4.7%N/A8.9 $42.00 12/15/20244,520,000 shares $171.17 million +3.0%N/A9.6 $37.87 11/30/20244,390,000 shares $180.56 million +1.4%N/A9.6 $41.13 11/15/20244,330,000 shares $170.26 million -1.6%N/A10 $39.32 10/31/20244,400,000 shares $142.34 million -5.4%N/A7.5 $32.35 10/15/20244,650,000 shares $167.35 million -4.5%N/A8 $35.99 Get the Latest News and Ratings for MRCY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mercury Systems and its competitors with MarketBeat's FREE daily newsletter. 9/30/20244,870,000 shares $180.19 million -7.6%N/A8 $37.00 9/15/20245,270,000 shares $200.37 million -3.0%N/A6.8 $38.02 8/31/20245,430,000 shares $205.80 million -5.4%N/A6.9 $37.90 8/15/20245,740,000 shares $230.29 million +4.7%N/A7.3 $40.12 7/31/20245,480,000 shares $194.81 million +9.0%N/A8.1 $35.55 7/15/20245,030,000 shares $163.02 million +8.9%N/A7.6 $32.41 6/30/20244,620,000 shares $124.69 million +0.7%N/A7.6 $26.99 6/15/20244,590,000 shares $131.69 million -2.1%N/A10 $28.69 5/31/20244,690,000 shares $145.16 million +6.8%N/A10.9 $30.95 5/15/20244,390,000 shares $130.43 million +2.8%N/A9.7 $29.71 4/30/20244,270,000 shares $120.41 million +3.9%N/A7.6 $28.20 4/15/20244,110,000 shares $116.72 million +9.6%N/A7.7 $28.40 3/31/20243,750,000 shares $110.63 million -0.5%N/A6.6 $29.50 3/15/20243,770,000 shares $108.39 million +1.9%N/A6.6 $28.75 2/29/20243,700,000 shares $110.52 million -0.5%N/A6.4 $29.87 2/15/20243,720,000 shares $113.24 million +8.8%N/A6.8 $30.44 1/31/20243,420,000 shares $101.44 million -0.6%N/A6.7 $29.66 1/15/20243,440,000 shares $111.18 million -0.3%N/A7.8 $32.32 12/31/20233,450,000 shares $126.17 million -5.7%N/A8.3 $36.57 12/15/20233,660,000 shares $137.10 million +6.4%N/A8.6 $37.46 11/30/20233,440,000 shares $117.96 million -6.3%N/A7.3 $34.29 11/15/20233,670,000 shares $127.64 million +16.9%N/A7.3 $34.78 10/31/20233,140,000 shares $112.98 million +2.6%N/A4 $35.98 10/15/20233,060,000 shares $118.21 million +6.3%N/A4 $38.63 9/30/20232,880,000 shares $106.82 million -2.0%N/A3.7 $37.09 9/15/20232,940,000 shares $111.51 million +5.4%N/A3.2 $37.93 8/31/20232,790,000 shares $109.51 million +10.7%5.0%3.1 $39.25 8/15/20232,520,000 shares $85.28 million +10.5%N/A3 $33.84 7/31/20232,280,000 shares $86.59 million No ChangeN/A4.3 $37.98 7/15/20232,280,000 shares $78.39 million +2.7%N/A4 $34.38Wall Street's Algorithms Are Making One-Sided Trades (Here's How to Spot Them) (Ad)Have you noticed how certain stocks move in unnaturally straight lines lately? I watched CAKE last week steadily decline day after day in an almost perfect downward channel.Click here to discover how the Genesis Cog works in falling markets 6/30/20232,220,000 shares $76.79 million +0.9%N/A3.9 $34.59 6/15/20232,200,000 shares $87.34 million -7.2%N/A4.6 $39.70 5/31/20232,370,000 shares $96.20 million +0.9%N/A7.6 $40.59 5/15/20232,350,000 shares $98.58 million +5.9%N/A7.3 $41.95 4/30/20232,220,000 shares $105.83 million -3.9%N/A6.8 $47.67 4/15/20232,310,000 shares $115.25 million +4.1%N/A7.3 $49.89 3/31/20232,220,000 shares $113.49 million +6.2%N/A7.1 $51.12 3/15/20232,090,000 shares $101.16 million -2.8%N/A6.5 $48.40 2/28/20232,150,000 shares $112.53 million -0.9%N/A5.8 $52.34 2/15/20232,170,000 shares $118.68 million -13.2%N/A5.9 $54.69 1/31/20232,500,000 shares $124.96 million +0.4%N/A6.8 $49.99 1/15/20232,490,000 shares $117.85 million -2.7%N/A7.5 $47.33 12/30/20222,560,000 shares $114.53 million +1.6%N/A7.3 $44.74 12/15/20222,520,000 shares $119.62 million +15.6%N/A7 $47.47 11/30/20222,180,000 shares $110.79 million No ChangeN/A6.6 $50.82 11/15/20222,180,000 shares $109.24 million +8.5%N/A6.9 $50.11 10/31/20222,010,000 shares $97.28 million +2.6%3.6%6.1 $48.40 10/15/20221,960,000 shares $81.89 million -14.0%3.5%5 $41.78 9/30/20222,280,000 shares $92.57 million +12.9%4.1%6 $40.60 9/15/20222,020,000 shares $95.32 million +3.1%3.6%5 $47.19 8/31/20221,960,000 shares $94.33 million +4.3%3.5%4.9 $48.13 8/15/20221,880,000 shares $96.71 million -2.6%3.4%4.4 $51.44 7/31/20221,930,000 shares $113.89 million +14.2%3.5%4.3 $59.01 7/15/20221,690,000 shares $107.59 million -11.1%3.0%4.2 $63.66 6/30/20221,900,000 shares $122.23 million -8.2%3.4%4.7 $64.33 6/15/20222,070,000 shares $122.34 million -18.2%3.7%5.1 $59.10 5/31/20222,530,000 shares $151.32 million -23.6%4.5%5.7 $59.81 5/15/20223,310,000 shares $196.05 million -4.3%5.9%6 $59.23 4/30/20223,460,000 shares $193.03 million -2.5%6.3%6.4 $55.79 4/15/20223,550,000 shares $217.37 million -3.0%6.5%5.9 $61.23 3/31/20223,660,000 shares $235.89 million -5.9%6.7%5.6 $64.45 3/15/20223,890,000 shares $253.32 million -1.5%7.1%5.1 $65.12 2/28/20223,950,000 shares $237.87 million +9.1%7.2%4.8 $60.22 2/15/20223,620,000 shares $191.79 million +14.6%6.5%4.8 $52.98 1/31/20223,160,000 shares $179.87 million +1.0%5.7%4.1 $56.92 1/15/20223,130,000 shares $187.74 million +5.4%5.7%4.3 $59.98 12/31/20212,970,000 shares $163.53 million +10.8%5.4%4.4 $55.06 12/15/20212,680,000 shares $135.88 million +4.7%4.8%4.1 $50.70 11/30/20212,560,000 shares $125.31 million +13.8%4.6%4.7 $48.95 11/15/20212,250,000 shares $117.05 million -19.9%4.1%4.8 $52.02 10/29/20212,810,000 shares $144.83 million +14.2%5.1%5.9 $51.54 10/15/20212,460,000 shares $123.22 million +69.7%4.4%4.7 $50.09 9/30/20211,450,000 shares $68.76 million +0.7%2.6%3 $47.42 9/15/20211,440,000 shares $66.57 million -2.7%2.6%3.1 $46.23 8/31/20211,480,000 shares $74.56 million +37.0%2.7%3.5 $50.38 8/13/20211,080,000 shares $57.38 million +3.9%2.0%2.6 $53.13 7/30/20211,040,000 shares $68.64 million -2.8%1.9%2.6 $66.00 7/15/20211,070,000 shares $69.91 million -8.6%1.9%2.5 $65.34 6/30/20211,170,000 shares $77.55 million -1.7%2.1%2.6 $66.28 6/15/20211,190,000 shares $78.31 million +3.5%2.2%2.6 $65.81Wall Street's Algorithms Are Making One-Sided Trades (Here's How to Spot Them) (Ad)Have you noticed how certain stocks move in unnaturally straight lines lately? I watched CAKE last week steadily decline day after day in an almost perfect downward channel.Click here to discover how the Genesis Cog works in falling markets 5/28/20211,150,000 shares $75.27 million -5.7%2.1%2.4 $65.45 5/14/20211,220,000 shares $78.91 million +13.0%2.2%2.4 $64.68 4/30/20211,080,000 shares $82.70 million -4.4%2.0%2.2 $76.57 4/15/20211,130,000 shares $87.77 million +11.9%2.1%2.6 $77.67 3/31/20211,010,000 shares $69.54 million +1.4%1.8%2.1 $68.85 3/15/2021996,200 shares $66.00 million +38.0%1.8%2.2 $66.25 2/26/2021721,800 shares $47.33 million -17.8%1.3%1.7 $65.57 2/12/2021878,500 shares $65.79 million +7.4%1.6%2.2 $74.89 1/29/2021817,900 shares $60.12 million -3.5%1.5%2 $73.51 1/15/2021847,100 shares $67.92 million -9.7%1.5%2.5 $80.18 12/31/2020937,800 shares $82.23 million -5.8%1.7%3.1 $87.68 12/15/2020995,900 shares $79.77 million +24.0%1.8%3.4 $80.10 11/30/2020803,500 shares $56.94 million -11.2%1.5%2.6 $70.86 11/15/2020904,300 shares $62.46 million -15.5%1.7%3.1 $69.07 10/30/20201,070,000 shares $76.00 million -1.8%2.0%3.8 $71.03 10/15/20201,090,000 shares $84.16 million -14.2%2.0%3.8 $77.21 9/30/20201,270,000 shares $98.37 million +0.8%2.3%4.1 $77.46 9/15/20201,260,000 shares $85.25 million -6.0%2.3%2.9 $67.66 8/31/20201,340,000 shares $101.49 million +1.5%2.4%2.8 $75.74 8/14/20201,320,000 shares $105.44 million -0.8%2.4%2.6 $79.88 7/31/20201,330,000 shares $102.98 million -7.0%2.4%2.6 $77.43 7/15/20201,430,000 shares $103.47 million -7.7%2.6%2.7 $72.36 6/30/20201,550,000 shares $121.92 million -20.5%2.8%3 $78.66 6/15/20201,950,000 shares $155.10 million +1.0%3.6%4.7 $79.54 5/29/20201,930,000 shares $171.27 million +3.8%3.5%4.5 $88.74 5/15/20201,860,000 shares $151.81 million -1.6%3.4%4.3 $81.62 4/30/20201,890,000 shares $168.51 million -5.5%3.5%4.5 $89.16 4/15/20202,000,000 shares $155.72 million +3.1%3.7%4.5 $77.86 3/31/20201,940,000 shares $159.49 million -16.8%3.6%4.4 $82.21 MRCY Short Interest - Frequently Asked Questions What is Mercury Systems' current short interest? Short interest is the volume of Mercury Systems shares that have been sold short but have not yet been closed out or covered. As of February 28th, investors have sold 3,830,000 shares of MRCY short. 6.52% of Mercury Systems' shares are currently sold short. Learn More on Mercury Systems' current short interest. What is a good short interest ratio for Mercury 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. MRCY shares currently have a short interest ratio of 7.0. Learn More on Mercury Systems's short interest ratio. Which institutional investors are shorting Mercury Systems? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Mercury Systems: Group One Trading LLC, Citadel Advisors LLC, Concourse Financial Group Securities Inc., and Walleye Capital LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Mercury 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. 6.52% of Mercury Systems' floating shares are currently sold short. Is Mercury Systems' short interest increasing or decreasing? Mercury Systems saw a drop in short interest in February. As of February 28th, there was short interest totaling 3,830,000 shares, a drop of 0.8% from the previous total of 3,860,000 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 Mercury Systems' short interest compare to its competitors? 6.52% of Mercury Systems' shares are currently sold short. Here is how the short interest of companies compare to Mercury Systems: Fabrinet (5.75%), Sanmina Co. (2.15%), Plexus Corp. (2.40%), IPG Photonics Co. (5.21%), TTM Technologies, Inc. (2.67%), Benchmark Electronics, Inc. (4.23%), CTS Co. (1.37%), Park Aerospace Corp. (1.29%), Methode Electronics, Inc. (5.49%), Neonode Inc. (4.67%), 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 Mercury Systems stock? Short selling MRCY is an investing strategy that aims to generate trading profit from Mercury Systems as its price is falling. MRCY shares are trading down $0.12 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 Mercury Systems? A short squeeze for Mercury Systems 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 MRCY, which in turn drives the price of the stock up even further. How often is Mercury 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 MRCY, twice per month. The most recent reporting period available is February, 28 2025. More Short Interest Resources from MarketBeat Related Companies Fabrinet Short Interest Data Sanmina Short Interest Data Plexus Short Interest Data IPG Photonics Short Interest Data TTM Technologies Short Interest Data Benchmark Electronics Short Interest Data CTS Short Interest Data Park Aerospace Short Interest Data Methode Electronics Short Interest Data Neonode 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:MRCY) was last updated on 3/25/2025 by MarketBeat.com Staff From Our PartnersYour Wealth is Under AttackPlease don't wait—this is your moment to take action. 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