McKesson (MCK) Short Interest Ratio & Short Volume $687.70 -18.30 (-2.59%) Closing price 08/22/2025 03:59 PM EasternExtended Trading$688.75 +1.04 (+0.15%) As of 08/22/2025 07:52 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock McKesson Short Interest DataMcKesson (MCK) has a short interest of 1.88 million shares, representing 1.52% of the float (the number of shares available for trading by the public). This marks a 0.53% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.2, indicating that it would take 2.2 days of the average trading volume of 950,293 shares to cover all short positions.Current Short Interest1,880,000 sharesPrevious Short Interest1,870,000 sharesChange Vs. Previous Month+0.53%Dollar Volume Sold Short$1.30 billionShort Interest Ratio2.2 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares124,380,000 sharesFloat Size124,030,000 sharesShort Percent of Float1.52%Today's Trading Volume1,217,333 sharesAverage Trading Volume950,293 sharesToday's Volume Vs. Average128% Short Selling McKesson? Sign up to receive the latest short interest report for McKesson and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMCK Short Interest Over TimeMCK Days to Cover Over TimeMCK Percentage of Float Shorted Over Time McKesson Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20251,880,000 shares $1.30 billion +0.5%1.5%2.2 $693.57 7/15/20251,870,000 shares $1.33 billion -12.2%1.5%2.3 $711.00 6/30/20252,130,000 shares $1.56 billion +6.0%1.7%2.3 $732.50 6/15/20252,010,000 shares $1.46 billion -9.9%1.6%2 $727.15 5/31/20252,230,000 shares $1.61 billion +5.7%1.8%2.1 $719.85 5/15/20252,110,000 shares $1.49 billion -2.8%1.7%2 $705.78 4/30/20252,170,000 shares $1.55 billion +13.6%1.7%2.1 $712.73 4/15/20251,910,000 shares $1.32 billion +2.1%1.5%2 $692.43 3/31/20251,870,000 shares $1.26 billion -10.5%1.5%2 $673.44 3/15/20252,090,000 shares $1.36 billion +13.0%1.7%2.5 $650.96 Get the Latest News and Ratings for MCK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for McKesson and its competitors with MarketBeat's FREE daily newsletter. 2/28/20251,850,000 shares $1.19 billion -1.1%1.5%2.3 $640.82 2/15/20251,870,000 shares $1.11 billion +25.5%1.5%2.4 $593.82 1/31/20251,490,000 shares $886.32 million -6.9%1.2%1.8 $594.85 1/15/20251,600,000 shares $933.62 million +1.9%1.3%2 $583.51 12/31/20241,570,000 shares $894.76 million -23.0%1.2%1.9 $569.91 12/15/20242,040,000 shares $1.18 billion +6.8%1.6%2.2 $576.24 11/30/20241,910,000 shares $1.20 billion -8.6%1.5%2 $628.50 11/15/20242,090,000 shares $1.27 billion +2.5%1.7%2 $606.29 10/31/20242,040,000 shares $1.02 billion -2.9%1.6%2 $500.54 10/15/20242,100,000 shares $1.08 billion -12.1%1.6%2 $513.55 9/30/20242,390,000 shares $1.18 billion +20.7%1.9%2.3 $494.42 9/15/20241,980,000 shares $1.03 billion +4.2%1.5%2.1 $518.81 8/31/20241,900,000 shares $1.07 billion -7.8%1.5%2.2 $561.08 8/15/20242,060,000 shares $1.12 billion +9.0%1.6%2.6 $545.41 7/31/20241,890,000 shares $1.17 billion +2.2%1.5%2.4 $617.02 7/15/20241,850,000 shares $1.07 billion No Change1.4%2.6 $578.07 6/30/20241,850,000 shares $1.08 billion -10.6%1.4%2.7 $584.04 6/15/20242,070,000 shares $1.22 billion +4.6%1.6%3.1 $589.95 5/31/20241,980,000 shares $1.13 billion -13.5%1.5%3 $569.09 5/15/20242,290,000 shares $1.26 billion +11.7%1.8%3.4 $551.60 4/30/20242,050,000 shares $1.10 billion +48.6%1.6%2.8 $537.21 4/15/20241,380,000 shares $721.30 million -5.5%1.1%2 $522.68 3/31/20241,460,000 shares $783.80 million -9.9%1.1%2.1 $536.85 3/15/20241,620,000 shares $864.56 million +8.0%1.2%2.3 $533.68 2/29/20241,500,000 shares $782.12 million -12.8%1.1%1.9 $521.41 2/15/20241,720,000 shares $869.80 million +9.6%1.3%2.1 $505.70 1/31/20241,570,000 shares $784.83 million -7.1%1.2%1.9 $499.89 1/15/20241,690,000 shares $820.19 million +9.0%1.3%2.1 $485.32 12/31/20231,550,000 shares $717.62 million -18.4%1.2%1.9 $462.98 12/15/20231,900,000 shares $834.46 million +17.3%1.4%2.3 $439.19This stock could leave NVDA in the dust (Ad)Investing Legend Hints the End May be Near for These 3 Iconic Stocks Futurist Eric Fry say Amazon, Tesla and Nvidia are all on the verge of major disruption. To help protect anyone with money invested in them, he's sharing three exciting stocks to replace them with. He gives away the names and tickers completely free in his brand-new "Sell This, Buy That" broadcast.Click to get the full details on Eric Fry's "Nvidia alternative" right here. 11/30/20231,620,000 shares $762.03 million -3.6%1.2%2.1 $470.39 11/15/20231,680,000 shares $750.00 million +12.8%1.3%2.3 $446.43 10/31/20231,490,000 shares $678.49 million -19.5%1.1%2 $455.36 10/15/20231,850,000 shares $855.74 million -10.6%1.4%2.3 $462.56 9/30/20232,070,000 shares $900.14 million +13.1%1.5%2.7 $434.85 9/15/20231,830,000 shares $768.84 million +11.6%1.4%2.4 $420.13 8/31/20231,640,000 shares $676.20 million -5.2%1.2%2.1 $412.32 8/15/20231,730,000 shares $745.28 million +8.8%1.3%2.1 $430.80 7/31/20231,590,000 shares $639.82 million -1.2%1.2%1.8 $402.40 7/15/20231,610,000 shares $659.30 million +5.2%1.2%1.9 $409.50 6/30/20231,530,000 shares $653.78 million -12.1%1.1%1.7 $427.31 6/15/20231,740,000 shares $696.03 million +9.4%1.3%1.9 $400.02 5/31/20231,590,000 shares $621.44 million -13.1%1.2%1.7 $390.84 5/15/20231,830,000 shares $715.80 million -10.3%1.4%1.9 $391.15 4/30/20232,040,000 shares $743.05 million +2.0%1.5%2.1 $364.24 4/15/20232,000,000 shares $724 million -1.5%1.5%2 $362.00 3/31/20232,030,000 shares $722.78 million -1.0%1.5%2.1 $356.05 3/15/20232,050,000 shares $687.47 million -1.4%1.5%2.1 $335.35 2/28/20232,080,000 shares $727.60 million -5.9%1.5%2 $349.81 2/15/20232,210,000 shares $803.64 million -18.2%1.6%2.2 $363.64 1/31/20232,700,000 shares $1.02 billion -23.3%2.0%2.5 $378.68 1/15/20233,520,000 shares $1.34 billion -8.8%2.5%3.3 $381.81 12/30/20223,860,000 shares $1.45 billion +40.4%2.7%3.6 $375.12 12/15/20222,750,000 shares $1.01 billion +17.0%1.9%2.6 $368.28 11/30/20222,350,000 shares $896.95 million -5.6%1.7%2.3 $381.68 11/15/20222,490,000 shares $880.66 million -16.4%1.8%2.4 $353.68 10/31/20222,980,000 shares $1.16 billion +8.8%2.1%3.1 $389.37 10/15/20222,740,000 shares $966.26 million -8.1%1.9%2.9 $352.65 9/30/20222,980,000 shares $1.01 billion +13.7%2.1%3.2 $339.87 9/15/20222,620,000 shares $893.47 million +11.5%1.8%2.6 $341.02 8/31/20222,350,000 shares $862.45 million -12.6%1.6%2.3 $367.00 8/15/20222,690,000 shares $999.20 million +28.7%1.9%2.6 $371.45 7/31/20222,090,000 shares $713.90 million -16.4%1.5%1.9 $341.58 7/15/20222,500,000 shares $825 million +5.0%1.7%2.2 $330.00 6/30/20222,380,000 shares $776.38 million -4.0%1.7%2 $326.21 6/15/20222,480,000 shares $763.05 million -22.3%1.7%2 $307.68 5/31/20223,190,000 shares $1.05 billion +24.1%2.2%2.6 $328.69 5/15/20222,570,000 shares $833.30 million -13.2%1.8%2.1 $324.24 4/30/20222,960,000 shares $916.45 million -30.0%2.0%2.3 $309.61 4/15/20224,230,000 shares $1.37 billion -11.3%2.8%3.4 $323.25 3/31/20224,770,000 shares $1.46 billion -14.4%3.2%3.8 $306.13 3/15/20225,570,000 shares $1.62 billion +10.7%3.7%4.9 $290.63 2/28/20225,030,000 shares $1.38 billion -15.8%3.4%4.6 $274.96 2/15/20225,970,000 shares $1.64 billion +239.2%4.0%5.7 $273.90 1/31/20221,760,000 shares $451.83 million -20.7%1.2%1.7 $256.72 1/15/20222,220,000 shares $569.47 million +32.9%1.5%2.3 $256.52 12/31/20211,670,000 shares $415.11 million -16.5%1.1%1.8 $248.57 12/15/20212,000,000 shares $464.58 million -11.9%1.3%2.2 $232.29 11/30/20212,270,000 shares $492.05 million +11.8%1.5%2.5 $216.76 11/15/20212,030,000 shares $450.52 million -3.8%1.3%2.5 $221.93This stock could leave NVDA in the dust (Ad)Investing Legend Hints the End May be Near for These 3 Iconic Stocks Futurist Eric Fry say Amazon, Tesla and Nvidia are all on the verge of major disruption. To help protect anyone with money invested in them, he's sharing three exciting stocks to replace them with. He gives away the names and tickers completely free in his brand-new "Sell This, Buy That" broadcast.Click to get the full details on Eric Fry's "Nvidia alternative" right here. 10/29/20212,110,000 shares $438.63 million +6.0%1.4%2.7 $207.88 10/15/20211,990,000 shares $406.30 million -15.7%1.3%2.5 $204.17 9/30/20212,360,000 shares $470.54 million -1.7%1.5%2.5 $199.38 9/15/20212,400,000 shares $500.78 million +17.1%1.6%2.3 $208.66 8/31/20212,050,000 shares $418.49 million -35.5%1.3%1.8 $204.14 8/13/20213,180,000 shares $631.01 million +50.7%2.1%2.7 $198.43 7/30/20212,110,000 shares $430.08 million +15.3%1.4%1.7 $203.83 7/15/20211,830,000 shares $346.79 million -9.0%1.2%1.5 $189.50 6/30/20212,010,000 shares $384.39 million -11.1%1.3%1.7 $191.24 6/15/20212,260,000 shares $439.03 million +44.9%1.5%2.1 $194.26 5/28/20211,560,000 shares $300.13 million -18.8%1.0%1.5 $192.39 5/14/20211,920,000 shares $375.86 million -29.2%1.2%1.9 $195.76 4/30/20212,710,000 shares $515.63 million -1.1%1.7%2.7 $190.27 4/15/20212,740,000 shares $522.27 million -0.4%1.7%2.8 $190.61 3/31/20212,750,000 shares $540.46 million +6.6%1.7%2.7 $196.53 3/15/20212,580,000 shares $483.88 million +50.0%1.6%2.5 $187.55 2/26/20211,720,000 shares $299.47 million -21.8%1.1%1.7 $174.11 2/12/20212,200,000 shares $399.89 million +10.0%1.4%2.2 $181.77 1/29/20212,000,000 shares $360.26 million +0.5%1.3%1.8 $180.13 1/15/20211,990,000 shares $363.81 million +65.8%1.2%1.8 $182.82 12/31/20201,200,000 shares $208.10 million -13.7%0.8%1.1 $173.42 12/15/20201,390,000 shares $239.54 million -3.5%0.9%1.3 $172.33 11/30/20201,440,000 shares $259.20 million -5.9%0.9%1.2 $180.00 11/15/20201,530,000 shares $279.97 million -9.5%1.0%1.3 $182.99 10/30/20201,690,000 shares $243.01 million -8.2%1.1%1.5 $143.79 10/15/20201,840,000 shares $283.38 million -12.8%1.1%1.7 $154.01 9/30/20202,110,000 shares $314.24 million -1.9%1.3%2 $148.93 9/15/20202,150,000 shares $324.37 million +29.5%1.3%2 $150.87 8/31/20201,660,000 shares $254.71 million -22.4%1.0%1.5 $153.44 MCK Short Interest - Frequently Asked Questions What is McKesson's current short interest? Short interest is the volume of McKesson shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 1,880,000 shares of MCK short. 1.52% of McKesson's shares are currently sold short. Learn More on McKesson's current short interest. What is a good short interest ratio for McKesson? 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. MCK shares currently have a short interest ratio of 2.0. Learn More on McKesson's short interest ratio. Which institutional investors are shorting McKesson? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of McKesson: Marex Group plc, Nomura Holdings Inc., LMR Partners LLP, Group One Trading LLC, Cubist Systematic Strategies LLC, BNP Paribas Financial Markets, Boothbay Fund Management LLC, Bank of America Corp DE, Jane Street Group LLC, Squarepoint Ops LLC, Qube Research & Technologies Ltd, Oribel Capital Management LP, Walleye Capital LLC, Walleye Trading LLC, Lido Advisors LLC, Delta Accumulation LLC, MAI Capital Management, JPMorgan Chase & Co., Creative Planning, Simplex Trading LLC, Private Wealth Partners LLC, Allianz Asset Management GmbH, and Quaker Wealth Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for McKesson? 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. 1.52% of McKesson's floating shares are currently sold short. Is McKesson's short interest increasing or decreasing? McKesson saw a increase in short interest during the month of July. As of July 31st, there was short interest totaling 1,880,000 shares, an increase of 0.5% from the previous total of 1,870,000 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 McKesson's float size? McKesson currently has issued a total of 124,380,000 shares. Some of McKesson'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. McKesson currently has a public float of 124,030,000 shares. How does McKesson's short interest compare to its competitors? 1.52% of McKesson's shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to McKesson: Hologic, Inc. (2.00%), HealthEquity, Inc. (5.64%), Henry Schein, Inc. (7.45%), Merit Medical Systems, Inc. (5.86%), AMN Healthcare Services Inc (10.06%), Charles River Laboratories International, Inc. (4.50%), Humana Inc. (3.90%), Integer Holdings Corporation (6.80%), West Pharmaceutical Services, Inc. (3.04%), Cencora, Inc. (3.53%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short McKesson stock? Short selling MCK is an investing strategy that aims to generate trading profit from McKesson as its price is falling. MCK shares are trading down $18.30 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 McKesson? A short squeeze for McKesson 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 MCK, which in turn drives the price of the stock up even further. How often is McKesson'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 MCK, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Hologic Short Interest Data HealthEquity Short Interest Data Henry Schein Short Interest Data Merit Medical Systems Short Interest Data AMN Healthcare Services Short Interest Data Charles River Laboratories International Short Interest Data Humana Short Interest Data Integer Short Interest Data West Pharmaceutical Services Short Interest Data Cencora 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:MCK) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...The Oxford Club | SponsoredElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredThe $7 company helping Nvidia build the world’s first trillion-dollar robot …Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profit...Weiss Ratings | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... You should see this presentation about Presi...InvestorPlace | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredAmazon’s big Bitcoin embarrassmentBitcoin just passed Amazon in total market cap — but most investors are missing the bigger opportunity. Whi...Brownstone Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding McKesson Corporation Please log in to your account or sign up in order to add this asset to your watchlist. Share McKesson With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
MarketBeat All Access