Monolithic Power Systems (MPWR) Short Interest Ratio & Short Volume $700.17 -2.22 (-0.32%) As of 05/20/2025 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Monolithic Power Systems Short Interest DataMonolithic Power Systems (MPWR) has a short interest of 2.02 million shares. This marks a -23.19% 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 789,428 shares to cover all short positions.Current Short Interest2,020,000 sharesPrevious Short Interest2,630,000 sharesChange Vs. Previous Month-23.19%Dollar Volume Sold Short$1.20 billionShort Interest Ratio2.0 Days to CoverLast Record DateApril 30, 2025Outstanding Shares47,880,000 sharesPercentage of Shares Shorted4.22%Today's Trading Volume420,922 sharesAverage Trading Volume789,428 sharesToday's Volume Vs. Average53% Short Selling Monolithic Power Systems? Sign up to receive the latest short interest report for Monolithic Power 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 ChartMPWR Short Interest Over TimeMPWR Days to Cover Over TimeMPWR Percentage of Float Shorted Over Time Monolithic Power 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 4/30/20252,020,000 shares $1.20 billion -23.2%N/A2 $593.10 4/15/20252,630,000 shares $1.43 billion +7.4%5.6%2.6 $544.25 3/31/20252,450,000 shares $1.42 billion +6.5%5.2%2.5 $579.98 3/15/20252,300,000 shares $1.39 billion -11.5%4.9%2.6 $606.06 2/28/20252,600,000 shares $1.59 billion -4.4%5.5%3 $611.01 2/15/20252,720,000 shares $1.86 billion -0.7%5.8%3 $684.93 1/31/20252,740,000 shares $1.75 billion +5.8%N/A2.6 $637.37 1/15/20252,590,000 shares $1.56 billion -9.1%N/A2.6 $602.41 12/31/20242,850,000 shares $1.69 billion +22.8%N/A3.1 $591.70 12/15/20242,320,000 shares $1.41 billion +11.0%N/A2.6 $608.44 Get the Latest News and Ratings for MPWR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Monolithic Power Systems and its competitors with MarketBeat's FREE daily newsletter. 11/30/20242,090,000 shares $1.19 billion -17.1%N/A2.5 $567.64 11/15/20242,520,000 shares $1.44 billion +69.1%N/A3.1 $573.38 10/31/20241,490,000 shares $1.13 billion +15.5%N/A2.3 $759.30 10/15/20241,290,000 shares $1.15 billion -17.3%N/A2.3 $894.69 9/30/20241,560,000 shares $1.44 billion +9.1%N/A2.7 $924.50 9/15/20241,430,000 shares $1.31 billion -7.1%N/A2.5 $914.10 8/31/20241,540,000 shares $1.44 billion +5.5%N/A2.7 $934.68 8/15/20241,460,000 shares $1.34 billion +10.6%N/A2.7 $920.69 7/31/20241,320,000 shares $1.14 billion -24.6%N/A2.5 $863.09 7/15/20241,750,000 shares $1.52 billion -1.7%N/A3.5 $870.91 6/30/20241,780,000 shares $1.46 billion +16.3%N/A3.7 $821.68 6/15/20241,530,000 shares $1.23 billion +9.3%N/A3.1 $806.57 5/31/20241,400,000 shares $1.03 billion +43.0%N/A2.8 $735.63 5/15/2024979,100 shares $725.85 million +12.6%N/A1.9 $741.34 4/30/2024869,300 shares $581.85 million -6.5%N/A1.5 $669.33 4/15/2024929,300 shares $600.91 million -13.2%N/A1.7 $646.63 3/31/20241,070,000 shares $724.84 million +10.8%N/A2 $677.42 3/15/2024965,700 shares $663.43 million +2.6%N/A1.8 $686.99 2/29/2024941,600 shares $677.99 million -0.7%N/A1.8 $720.04 2/15/2024948,000 shares $696.14 million -11.4%2.1%2 $734.32 1/31/20241,070,000 shares $644.91 million -5.3%2.3%2.3 $602.72 1/15/20241,130,000 shares $654.00 million -24.2%2.5%2.2 $578.76 12/31/20231,490,000 shares $939.86 million +1.4%3.3%2.9 $630.78 12/15/20231,470,000 shares $930.97 million +15.8%3.2%2.8 $633.31 11/30/20231,270,000 shares $696.87 million -1.6%2.8%2.4 $548.72 11/15/20231,290,000 shares $706.40 million +21.7%2.8%2.4 $547.60 10/31/20231,060,000 shares $468.24 million -21.5%2.3%1.9 $441.74 10/15/20231,350,000 shares $642.26 million -20.1%3.0%2.5 $475.75 9/30/20231,690,000 shares $780.78 million +24.3%3.7%3.2 $462.00 9/15/20231,360,000 shares $631.35 million -6.2%3.0%2.6 $464.23The Robotics Revolution has arrived … and one $7 stock could take off as a result. 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In fact, I believe these robots could impact 65 million Americans lives — by August of this year.I'll tell you more about the $7 company Huang and Nvidia joined forces with to make it happen. 8/31/20231,450,000 shares $755.75 million -4.0%3.2%2.7 $521.21 8/15/20231,510,000 shares $783.52 million -6.8%3.3%2.4 $518.89 7/31/20231,620,000 shares $906.37 million -19.8%3.6%2.5 $559.49 7/15/20232,020,000 shares $1.14 billion -2.4%4.5%3.2 $565.01 6/30/20232,070,000 shares $1.12 billion -8.8%4.6%3.5 $540.23 6/15/20232,270,000 shares $1.18 billion -18.6%5.1%3.8 $519.28 5/31/20232,790,000 shares $1.37 billion +35.4%6.2%4.7 $489.91 5/15/20232,060,000 shares $849.87 million -5.5%4.6%4.2 $412.56 4/30/20232,180,000 shares $1.01 billion -6.8%4.9%4.3 $461.97 4/15/20232,340,000 shares $1.12 billion -6.0%5.2%4.8 $477.27 3/31/20232,490,000 shares $1.25 billion -2.7%5.6%5 $500.54 3/15/20232,560,000 shares $1.22 billion -9.9%5.7%4.9 $476.61 2/28/20232,840,000 shares $1.38 billion +2.2%6.4%5.2 $484.29 2/15/20232,780,000 shares $1.47 billion -1.4%6.3%4.9 $530.09 1/31/20232,820,000 shares $1.20 billion +1.1%6.4%4.8 $426.56 1/15/20232,790,000 shares $1.11 billion -8.5%6.3%4.3 $398.46 12/30/20223,050,000 shares $1.08 billion -4.1%6.9%4.3 $353.61 12/15/20223,180,000 shares $1.19 billion +10.4%7.2%4.1 $373.30 11/30/20222,880,000 shares $1.10 billion +5.1%6.5%3.8 $381.96 11/15/20222,740,000 shares $1.11 billion +5.0%6.2%3.6 $405.03 10/31/20222,610,000 shares $885.96 million +13.5%5.9%3.6 $339.45 10/15/20222,300,000 shares $711.16 million +13.9%5.2%3.4 $309.20 9/30/20222,020,000 shares $734.07 million +46.4%4.6%3.3 $363.40 9/15/20221,380,000 shares $578.05 million +17.0%3.1%2.6 $418.88 8/31/20221,180,000 shares $534.75 million +5.4%2.7%2.4 $453.18 8/15/20221,120,000 shares $601.31 million +4.7%2.6%2.4 $536.88 7/31/20221,070,000 shares $497.25 million +23.9%2.4%2.2 $464.72 7/15/2022863,300 shares $354.17 million +0.2%2.0%1.8 $410.25 6/30/2022861,400 shares $330.81 million -1.5%2.0%1.8 $384.04 6/15/2022874,800 shares $364.08 million -5.2%2.2%1.8 $416.19 5/31/2022923,100 shares $415.76 million +2.3%2.1%1.9 $450.39 5/15/2022902,100 shares $389.41 million -7.3%2.1%1.8 $431.67 4/30/2022972,700 shares $381.53 million +7.5%2.2%1.9 $392.24 4/15/2022904,900 shares $370.45 million -17.0%2.1%1.8 $409.38 3/31/20221,090,000 shares $529.39 million +22.5%2.5%2.1 $485.68 3/15/2022889,600 shares $375.25 million +8.2%2.0%1.9 $421.82 2/28/2022821,900 shares $377.01 million +4.6%1.9%1.8 $458.70 2/15/2022786,100 shares $376.75 million +9.5%1.8%1.8 $479.27 1/31/2022717,800 shares $289.22 million -24.3%1.7%1.9 $402.93 1/15/2022948,200 shares $415.48 million -2.0%2.2%2.7 $438.18 12/31/2021967,800 shares $477.44 million +9.8%2.2%3.1 $493.33 12/15/2021881,400 shares $432.24 million +9.2%2.0%2.7 $490.40 11/30/2021806,900 shares $446.59 million -4.2%1.9%2.6 $553.46 11/15/2021842,600 shares $474.35 million -1.5%1.9%2.7 $562.96 10/29/2021855,700 shares $449.64 million +2.2%2.0%2.7 $525.46 10/15/2021837,400 shares $402.82 million +13.3%1.9%2.6 $481.04 9/30/2021739,000 shares $358.18 million -15.2%1.7%2.1 $484.68 9/15/2021871,900 shares $432.45 million -12.8%2.0%2.4 $495.99 8/31/20211,000,000 shares $494.93 million +6.9%2.3%2.9 $494.93 8/13/2021935,300 shares $434.77 million -12.6%2.2%2.8 $464.85Trump wipes out trillions overnight… (Ad)Is there anybody more powerful than Donald Trump right now? 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Short interest is the volume of Monolithic Power Systems shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 2,020,000 shares of MPWR short. Learn More on Monolithic Power Systems' current short interest. What is a good short interest ratio for Monolithic Power 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. MPWR shares currently have a short interest ratio of 2.0. Learn More on Monolithic Power Systems's short interest ratio. Which institutional investors are shorting Monolithic Power Systems? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Monolithic Power Systems: Jane Street Group LLC, Parallax Volatility Advisers L.P., Millennium Management LLC, Cubist Systematic Strategies LLC, Caption Management LLC, Twin Tree Management LP, HAP Trading LLC, PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Maven Securities LTD, Arrowpoint Investment Partners Singapore Pte. Ltd., and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Monolithic Power Systems' short interest increasing or decreasing? Monolithic Power Systems saw a drop in short interest in the month of April. As of April 30th, there was short interest totaling 2,020,000 shares, a drop of 23.2% from the previous total of 2,630,000 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 Monolithic Power Systems' short interest compare to its competitors? Here is how the short interest of companies compare to Monolithic Power Systems: Analog Devices, Inc. (1.57%), Micron Technology, Inc. (2.60%), Intel Co. (2.72%), Marvell Technology, Inc. (3.21%), Microchip Technology Incorporated (6.14%), First Solar, Inc. (10.89%), Skyworks Solutions, Inc. (12.07%), Altair Engineering Inc. (8.49%), MACOM Technology Solutions Holdings, Inc. (3.82%), Lattice Semiconductor Co. (7.17%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Monolithic Power Systems stock? Short selling MPWR is an investing strategy that aims to generate trading profit from Monolithic Power Systems as its price is falling. MPWR shares are trading down $2.22 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 Monolithic Power Systems? A short squeeze for Monolithic Power 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 MPWR, which in turn drives the price of the stock up even further. How often is Monolithic Power 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 MPWR, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Analog Devices Short Interest Data Micron Technology Short Interest Data Intel Short Interest Data Marvell Technology Short Interest Data Microchip Technology Short Interest Data First Solar Short Interest Data Skyworks Solutions Short Interest Data Altair Engineering Short Interest Data MACOM Technology Solutions Short Interest Data Lattice Semiconductor 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:MPWR) was last updated on 5/21/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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