Sirius XM (SIRI) Short Interest Ratio & Short Volume $22.97 +0.41 (+1.82%) As of 04:00 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Sirius XM Short Interest DataSirius XM (SIRI) has a short interest of 28.96 million shares, representing 9.37% of the float (the number of shares available for trading by the public). This marks a 0.35% increase in short interest from the previous month. The short interest ratio (days to cover) is 7.3, indicating that it would take 7.3 days of the average trading volume of 4.93 million shares to cover all short positions.Current Short Interest28,960,000 sharesPrevious Short Interest28,860,000 sharesChange Vs. Previous Month+0.35%Dollar Volume Sold Short$616.56 millionShort Interest Ratio7.3 Days to CoverLast Record DateJune 15, 2025Outstanding Shares337,920,000 sharesFloat Size309,020,000 sharesShort Percent of Float9.37%Today's Trading Volume3,122,525 sharesAverage Trading Volume4,930,478 sharesToday's Volume Vs. Average63% Short Selling Sirius XM? Sign up to receive the latest short interest report for Sirius XM and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSIRI Short Interest Over TimeSIRI Days to Cover Over TimeSIRI Percentage of Float Shorted Over Time Sirius XM Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/202528,960,000 shares $616.56 million +0.4%9.4%7.3 $21.29 5/31/202528,860,000 shares $625.97 million +0.5%9.3%6.8 $21.69 5/15/202528,720,000 shares $642.18 million -0.5%9.3%6.4 $22.36 4/30/202528,850,000 shares $617.97 million +1.7%9.3%5.9 $21.42 4/15/202528,360,000 shares $579.11 million +2.9%9.2%5.4 $20.42 3/31/202527,550,000 shares $621.25 million +2.1%8.9%5 $22.55 3/15/202526,980,000 shares $611.64 million +7.1%8.7%4.9 $22.67 2/28/202525,190,000 shares $609.35 million +10.9%8.1%4.3 $24.19 2/15/202522,720,000 shares $615.94 million +17.7%7.3%4 $27.11 1/31/202519,300,000 shares $463.39 million -0.1%6.2%3.4 $24.01 Get the Latest News and Ratings for SIRI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sirius XM and its competitors with MarketBeat's FREE daily newsletter. 1/15/202519,320,000 shares $416.54 million +2.9%6.2%3.5 $21.56 12/31/202418,780,000 shares $428.18 million -2.8%5.6%3 $22.80 12/15/202419,320,000 shares $465.81 million -7.0%5.8%3.1 $24.11 11/30/202420,770,000 shares $559.75 million +5.8%6.2%3.1 $26.95 11/15/202419,630,000 shares $506.45 million -12.9%5.9%3.2 $25.80 10/31/202422,540,000 shares $600.92 million +38.4%6.7%3.9 $26.66 10/15/202416,290,000 shares $441.13 million -2.0%4.9%3.3 $27.08 9/30/202416,620,000 shares $393.06 million +7.3%5.0%3.9 $23.65 9/15/202415,490,000 shares $379.66 million +14.8%4.6%3.5 $24.51 8/31/202413,490,000 shares $44.38 million -89.6%N/A3.2 $3.29 8/15/2024129,520,000 shares $391.15 million -7.5%20.6%3.3 $3.02 7/31/2024139,960,000 shares $482.86 million -15.9%22.3%3.5 $3.45 7/15/2024166,360,000 shares $647.14 million +6.3%26.5%4.2 $3.89 6/30/2024156,540,000 shares $443.01 million +2.1%24.9%4.2 $2.83 6/15/2024153,390,000 shares $400.35 million -1.3%24.4%5.1 $2.61 5/31/2024155,420,000 shares $438.28 million +7.9%24.8%7.5 $2.82 5/15/2024144,110,000 shares $438.09 million +10.5%22.9%7.9 $3.04 4/30/2024130,380,000 shares $383.32 million +2.5%20.9%7.7 $2.94 4/15/2024127,170,000 shares $404.40 million -8.3%20.4%8.2 $3.18 3/31/2024138,680,000 shares $538.08 million +5.3%22.2%9.5 $3.88 3/15/2024131,730,000 shares $533.51 million -13.2%21.1%9.8 $4.05 2/29/2024151,700,000 shares $670.51 million -4.5%24.4%11.1 $4.42 2/15/2024158,820,000 shares $762.34 million -4.5%25.6%12.3 $4.80 1/31/2024166,280,000 shares $846.37 million -4.2%26.8%13.1 $5.09 1/15/2024173,600,000 shares $904.46 million -0.6%27.9%13.7 $5.21 12/31/2023174,610,000 shares $955.12 million -1.3%28.1%13.9 $5.47 12/15/2023176,900,000 shares $955.26 million +0.3%28.5%12.2 $5.40 11/30/2023176,300,000 shares $825.08 million -0.2%28.3%11.9 $4.68 11/15/2023176,730,000 shares $917.23 million +3.3%28.4%12.2 $5.19 10/31/2023171,090,000 shares $732.27 million -5.2%27.5%11.5 $4.28The $7 company helping Nvidia build the world’s first trillion-dollar robot … (Ad)Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profitable trends in tech … well ahead of Wall Street. Like when he called Nvidia at a mere 80 cents a share. Or Bitcoin when it was trading for just $300. Throughout his illustrious career … Michael has given his followers almost 150 different chances to register triple-digit gains.Now he's identified his next potential winner. Click here to find out more. 10/15/2023180,490,000 shares $875.38 million +6.4%28.9%11 $4.85 9/30/2023169,610,000 shares $766.64 million +0.7%27.2%7.9 $4.52 9/15/2023168,370,000 shares $671.80 million +1.3%27.0%7.9 $3.99 8/31/2023166,190,000 shares $731.24 million +1.3%25.8%8.1 $4.40 8/15/2023164,050,000 shares $772.68 million +2.3%25.4%7.6 $4.71 7/31/2023160,360,000 shares $817.84 million -19.8%24.8%7.2 $5.10 7/15/2023200,030,000 shares $950.14 million -8.9%30.8%9.3 $4.75 6/30/2023219,450,000 shares $994.11 million +13.0%33.8%13.3 $4.53 6/15/2023194,280,000 shares $744.09 million -5.9%29.9%11.9 $3.83 5/31/2023206,500,000 shares $735.14 million +6.7%30.9%12.7 $3.56 5/15/2023193,540,000 shares $694.81 million -3.6%28.9%11.9 $3.59 4/30/2023200,700,000 shares $762.66 million +7.7%30.0%11.8 $3.80 4/15/2023186,440,000 shares $738.30 million +3.7%27.7%10.8 $3.96 3/31/2023179,750,000 shares $713.61 million +9.7%26.7%10.5 $3.97 3/15/2023163,910,000 shares $596.63 million -7.4%24.4%9.9 $3.64 2/28/2023177,080,000 shares $777.38 million -0.7%26.3%11.3 $4.39 2/15/2023178,390,000 shares $836.65 million +5.5%26.5%12 $4.69 1/31/2023169,040,000 shares $978.74 million -0.7%25.2%11.3 $5.79 1/15/2023170,200,000 shares $1.01 billion +0.3%25.3%12.1 $5.96 12/30/2022169,650,000 shares $990.76 million -10.2%25.2%11.8 $5.84 12/15/2022188,980,000 shares $1.13 billion +1.4%28.1%12.8 $5.97 11/30/2022186,430,000 shares $1.21 billion +2.8%27.6%12.3 $6.49 11/15/2022181,290,000 shares $1.17 billion -5.0%26.8%11.8 $6.47 10/31/2022190,760,000 shares $1.15 billion +1.3%28.2%12.6 $6.04 10/15/2022188,320,000 shares $1.14 billion -4.6%27.8%12.6 $6.05 9/30/2022197,290,000 shares $1.13 billion -10.9%29.2%13.1 $5.71 9/15/2022221,350,000 shares $1.31 billion +6.6%32.7%14.7 $5.94 8/31/2022207,660,000 shares $1.26 billion +5.7%29.2%13.2 $6.09 8/15/2022196,560,000 shares $1.33 billion -4.8%27.7%12.3 $6.77 7/31/2022206,530,000 shares $1.38 billion +6.3%29.1%11.8 $6.68 7/15/2022194,230,000 shares $1.23 billion +5.0%27.1%10.4 $6.35 6/30/2022184,990,000 shares $1.13 billion -6.3%25.8%10.1 $6.13 6/15/2022197,390,000 shares $1.19 billion +3.0%27.5%10.4 $6.01 5/31/2022191,560,000 shares $1.23 billion -1.1%26.3%10.2 $6.40 5/15/2022193,760,000 shares $1.19 billion -2.4%26.6%9.5 $6.14 4/30/2022198,600,000 shares $1.19 billion +0.2%27.3%9.7 $6.00 4/15/2022198,260,000 shares $1.28 billion -1.0%27.2%9.4 $6.46 3/31/2022200,300,000 shares $1.33 billion -4.5%27.5%9.4 $6.62 3/15/2022209,650,000 shares $1.31 billion +0.9%28.8%9.8 $6.24 2/28/2022207,710,000 shares $1.28 billion +3.3%27.0%10 $6.16 2/15/2022201,000,000 shares $1.25 billion +1.6%26.1%10.1 $6.20 1/31/2022197,830,000 shares $1.26 billion +4.8%25.7%10.6 $6.36 1/15/2022188,750,000 shares $1.17 billion +5.5%24.2%10.9 $6.18 12/31/2021178,900,000 shares $1.14 billion +4.8%22.9%10.7 $6.35 12/15/2021170,780,000 shares $1.09 billion -3.3%21.9%10.3 $6.38 11/30/2021176,650,000 shares $1.08 billion +2.6%21.5%10.5 $6.10 11/15/2021172,250,000 shares $1.14 billion -4.9%21.0%10.9 $6.63 10/29/2021181,130,000 shares $1.10 billion +7.1%21.0%11.4 $6.09 10/15/2021169,140,000 shares $1.02 billion +4.5%19.3%10.4 $6.02 9/30/2021161,930,000 shares $987.77 million -1.3%18.5%9.9 $6.10The $7 company helping Nvidia build the world’s first trillion-dollar robot … (Ad)Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profitable trends in tech … well ahead of Wall Street. Like when he called Nvidia at a mere 80 cents a share. Or Bitcoin when it was trading for just $300. Throughout his illustrious career … Michael has given his followers almost 150 different chances to register triple-digit gains.Now he's identified his next potential winner. Click here to find out more. 9/15/2021163,990,000 shares $990.50 million +4.6%18.8%10.2 $6.04 8/31/2021156,770,000 shares $982.95 million -0.8%17.9%9.6 $6.27 8/13/2021158,050,000 shares $953.04 million +4.5%18.1%8.1 $6.03 7/30/2021151,180,000 shares $978.13 million +3.7%17.2%7.6 $6.47 7/15/2021145,730,000 shares $938.50 million -1.6%15.9%7.3 $6.44 6/30/2021148,160,000 shares $968.97 million -4.1%16.2%7.4 $6.54 6/15/2021154,460,000 shares $1.02 billion -14.0%16.9%7.4 $6.63 5/28/2021179,510,000 shares $1.12 billion +0.6%19.6%8.2 $6.25 5/14/2021178,390,000 shares $1.04 billion +5.2%19.5%8.4 $5.84 4/30/2021169,510,000 shares $1.04 billion +1.5%17.8%7.6 $6.13 4/15/2021166,950,000 shares $1.05 billion +4.1%17.5%6.3 $6.28 3/31/2021160,320,000 shares $981.16 million -8.3%16.6%5.6 $6.12 3/15/2021174,800,000 shares $1.08 billion +5.8%18.1%5.9 $6.16 2/26/2021165,230,000 shares $968.25 million -4.8%15.7%5.7 $5.86 2/12/2021173,620,000 shares $1.06 billion -3.7%16.5%6.2 $6.11 1/29/2021180,260,000 shares $1.15 billion -9.3%17.2%6.4 $6.40 1/15/2021198,670,000 shares $1.16 billion +4.0%18.4%7.6 $5.83 12/31/2020191,080,000 shares $1.22 billion +8.0%17.7%8 $6.41 12/15/2020176,910,000 shares $1.12 billion -1.3%16.4%7.5 $6.33 11/30/2020179,310,000 shares $1.17 billion +3.3%16.6%6.8 $6.55 11/15/2020173,530,000 shares $1.09 billion +1.7%16.1%6.6 $6.27 10/30/2020170,700,000 shares $995.18 million +3.0%15.0%6.6 $5.83 10/15/2020165,670,000 shares $967.51 million +3.2%14.5%6.4 $5.84 9/30/2020160,530,000 shares $860.44 million +2.8%13.7%6.3 $5.36 9/15/2020156,130,000 shares $836.86 million -6.9%13.3%6.1 $5.36 8/31/2020167,650,000 shares $984.11 million +4.9%14.3%6.8 $5.87 8/14/2020159,830,000 shares $955.78 million -7.8%13.4%5.9 $5.98 7/31/2020173,360,000 shares $1.02 billion +1.0%14.6%5.7 $5.88 7/15/2020171,660,000 shares $1.03 billion +1.1%14.3%5.4 $6.01 6/30/2020169,730,000 shares $967.46 million -4.5%14.1%5.5 $5.70 SIRI Short Interest - Frequently Asked Questions What is Sirius XM's current short interest? Short interest is the volume of Sirius XM shares that have been sold short but have not yet been closed out or covered. As of June 15th, investors have sold 28,960,000 shares of SIRI short. 9.37% of Sirius XM's shares are currently sold short. Learn More on Sirius XM's current short interest. What is a good short interest ratio for Sirius XM? 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. SIRI shares currently have a short interest ratio of 7.0. Learn More on Sirius XM's short interest ratio. Which institutional investors are shorting Sirius XM? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Sirius XM: Quaker Wealth Management LLC, Jane Street Group LLC, Goldman Sachs Group Inc., Pentwater Capital Management LP, Millennium Management LLC, Cubist Systematic Strategies LLC, Nomura Holdings Inc., Twin Tree Management LP, Susquehanna International Group LLP, HAP Trading LLC, PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Equitec Proprietary Markets LLC, Capital Fund Management S.A., Belvedere Trading LLC, and Bank of Nova Scotia. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Sirius XM? 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. 9.37% of Sirius XM's floating shares are currently sold short. Is Sirius XM's short interest increasing or decreasing? Sirius XM saw a increase in short interest in June. As of June 15th, there was short interest totaling 28,960,000 shares, an increase of 0.3% from the previous total of 28,860,000 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. What is Sirius XM's float size? Sirius XM currently has issued a total of 337,920,000 shares. Some of Sirius XM'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. Sirius XM currently has a public float of 309,020,000 shares. How does Sirius XM's short interest compare to its competitors? 9.37% of Sirius XM's shares are currently sold short. Here is how the short interest of companies compare to Sirius XM: Liberty Global Ltd (3.58%), AMC Networks Inc. (17.09%), Comcast Corporation (1.17%), Charter Communications, Inc. (12.29%), Warner Bros. Discovery, Inc. (5.25%), Fox Corporation (7.08%), Fox Corporation (2.99%), Roku, Inc. (6.11%), Bilibili Inc. Sponsored ADR (4.36%), Liberty Global Ltd (4.68%), 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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short Sirius XM stock? Short selling SIRI is an investing strategy that aims to generate trading profit from Sirius XM as its price is falling. SIRI shares are trading up $0.36 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 Sirius XM? A short squeeze for Sirius XM 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 SIRI, which in turn drives the price of the stock up even further. How often is Sirius XM'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 SIRI, twice per month. The most recent reporting period available is June, 15 2025. More Short Interest Resources from MarketBeat Related Companies Liberty Global Short Interest AMC Networks Short Interest Comcast Short Interest Charter Communications Short Interest Warner Bros. Discovery Short Interest FOX Short Interest FOX Short Interest Roku Short Interest Bilibili Short Interest Liberty Global Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:SIRI) was last updated on 6/30/2025 by MarketBeat.com Staff From Our PartnersBuffett’s $325 Billion Cash Problem — Solved by Gold?A bombshell announcement is just weeks away — and it could send shockwaves through the gold market. 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