Masimo (MASI) Stock Chart & Stock Price History $152.06 -1.55 (-1.01%) Closing price 04:00 PM EasternExtended Trading$149.30 -2.76 (-1.81%) As of 04:24 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Masimo Stock Price Performance 5 Day Performance+1.26%1 Month Performance-8.80%3 Month Performance-10.85%6 Month Performance+6.58%Year-To-Date Performance-7.20%1 Year Performance+11.07% Receive MASI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Masimo and its competitors with MarketBeat's FREE daily newsletter. Email Address MASI Stock Chart for Tuesday, April, 15, 2025 MASI Chart by TradingViewRemove Ads Masimo Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/14/2025$153.90$153.61-0.19%$158.85$152.48720,758 shs$8.30 billion04/11/2025$151.49$153.90+1.59%$156.52$149.52729,386 shs$8.32 billion04/10/2025$164.57$151.49-7.95%$161.00$148.511.11 million shs$8.19 billion04/09/2025$145.06$164.57+13.45%$169.02$135.811.47 million shs$8.89 billion04/09/2025$145.06$164.57+13.45%$169.02$135.811.47 million shs$8.89 billion04/08/2025$150.36$145.06-3.52%$160.62$142.25761,600 shs$7.84 billion04/08/2025$150.36$145.06-3.52%$160.62$142.25761,600 shs$7.84 billion04/07/2025$144.40$150.36+4.13%$153.38$133.701.13 million shs$8.12 billion04/04/2025$152.37$144.40-5.23%$149.37$141.371.16 million shs$7.80 billion04/03/2025$171.48$152.37-11.14%$163.00$151.84981,319 shs$8.23 billion Get the Latest News and Ratings for MASI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Masimo and its competitors with MarketBeat's FREE daily newsletter. 04/02/2025$167.61$171.48+2.31%$171.56$163.75350,835 shs$9.27 billion04/01/2025$166.60$167.61+0.61%$168.65$163.84373,879 shs$9.06 billion03/31/2025$163.55$166.60+1.86%$167.75$159.29444,658 shs$8.99 billion03/28/2025$168.47$163.55-2.92%$168.72$163.10594,384 shs$8.82 billion03/27/2025$166.42$168.47+1.23%$169.82$165.04412,699 shs$9.09 billion03/26/2025$169.70$166.42-1.93%$169.78$166.04304,202 shs$8.98 billion03/25/2025$167.61$169.70+1.25%$170.80$167.76476,981 shs$9.16 billion03/24/2025$165.82$167.61+1.08%$170.67$166.21520,030 shs$9.04 billion03/21/2025$169.50$165.82-2.17%$168.65$164.41701,632 shs$8.95 billion03/20/2025$172.74$169.50-1.88%$175.40$168.57535,706 shs$9.14 billion03/19/2025$168.16$172.74+2.72%$175.36$166.50850,286 shs$9.32 billion03/18/2025$172.78$168.16-2.67%$173.49$166.82370,453 shs$9.07 billion03/17/2025$168.21$172.78+2.72%$173.12$167.66462,484 shs$9.32 billion03/14/2025$165.69$168.21+1.52%$171.33$165.96472,958 shs$9.07 billion Related Companies ResMed Stock Price Chart IDEXX Laboratories Stock Price Chart DexCom Stock Price Chart STERIS Stock Price Chart Insulet Stock Price Chart Baxter International Stock Price Chart Hologic Stock Price Chart Globus Medical Stock Price Chart Teleflex Stock Price Chart Integer Stock Price Chart Receive MASI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Masimo and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:MASI) was last updated on 4/15/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | Sponsored[Action Required] Claim Your FREE IRS Loophole GuideThis shouldn't surprise anyone who's been paying attention, but... Pres. Trump may be about to unleash the ...Colonial Metals | SponsoredTrump Orders 'National Digital Asset Stockpile'‘Digital Asset Reserve’ for THIS Coin??? Get all the details before this story gains even more tractionCrypto 101 Media | SponsoredElon’s Silver Play? Trump Clears the PathNothing is confirmed—yet. But Musk has disrupted every industry he's touched, and Trump's policies make the ti...Priority Gold | SponsoredCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... But I just discovered a secret backdoor to collect a secret 69...Investors Alley | SponsoredGet Your Bank Account “Fed Invasion” Ready with THESE 4 Simple StepsStarting as soon as a few months from now, the United States government will make a sweeping change to bank ac...Weiss Ratings | 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 | SponsoredElon Musk Confirms: Tesla’s Optimus is Replacing Workers… and Heading to MarsElon Musk just confirmed Tesla’s robot will go to Mars. But on Earth, it may trigger a trillion-dollar tech sh...InvestorPlace | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Masimo Co. Please log in to your account or sign up in order to add this asset to your watchlist. Share Masimo 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.
Buy MASI Stock Free MASI Stock Alerts