Bio-Rad Laboratories (BIO.B) Stock Chart & Stock Price History $284.88 +37.83 (+15.31%) As of 10/10/2025 Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsFinancialsHeadlinesSEC FilingsTrendsBuy This Stock Bio-Rad Laboratories Stock Price Performance The Bio-Rad Laboratories (BIO.B) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 14.92%, with a year-to-date return of -12.51%. In the past month, the stock has increased 1.04%, reflecting recent market activity. As of the latest close, Bio-Rad Laboratories traded at $284.88 with a market cap of $7.75 billion and volume of 300 shares. Five years ago, the stock traded at $530.00, representing a 46.25% decrease over that period. At the time, it had a market cap of $15.73 billion and a volume of 7 shares. 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Read our full terms of service and privacy policy. 5 Day Performance0.00%1 Month Performance+1.04%3 Month Performance+10.53%Year-To-Date Performance-12.51%1 Year Performance-14.92%5 Year Performance-46.25% BIO.B Stock Chart for Wednesday, October, 15, 2025 BIO.B Chart by TradingView Bio-Rad Laboratories Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/14/2025$284.88$284.88$284.88$283.85300 shs$7.75 billion10/13/2025$284.88$284.88$284.88$283.85300 shs$7.75 billion10/10/2025$284.88$284.88+0.00%$284.88$283.85300 shs$7.75 billion10/09/2025$284.88$284.88$284.88$284.889 shs$7.75 billion10/08/2025$284.88$284.88$284.88$284.8818 shs$7.75 billion10/07/2025$284.88$284.88$284.88$284.8822 shs$7.75 billion10/06/2025$284.88$284.88$284.88$284.8822 shs$7.75 billion10/03/2025$284.88$284.88$284.88$284.889 shs$7.75 billion10/02/2025$284.88$284.88$284.88$284.8821 shs$7.75 billion10/01/2025$284.88$284.88$284.88$284.8813 shs$7.75 billion Get the Latest News and Ratings for BIO.B and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Bio-Rad Laboratories and its competitors with MarketBeat's FREE daily newsletter. 09/30/2025$284.88$284.88$284.88$284.8817 shs$7.75 billion09/29/2025$284.88$284.88$284.88$284.8851 shs$7.75 billion09/26/2025$284.88$284.88$284.88$284.8827 shs$7.75 billion09/25/2025$284.88$284.88$284.88$284.8827 shs$7.75 billion09/24/2025$284.88$284.88$284.88$284.8820 shs$7.75 billion09/23/2025$284.88$284.880.00%$284.88$284.8856 shs$7.75 billion09/22/2025$284.88$284.88$284.88$283.85357 shs$7.75 billion09/19/2025$247.05$284.88+15.31%$284.88$283.85357 shs$7.75 billion09/18/2025$247.05$247.05$247.05$247.05162 shs$6.72 billion09/17/2025$247.05$247.05$247.05$247.0532 shs$6.72 billion09/16/2025$281.95$247.05-12.38%$247.05$247.0551 shs$6.72 billion09/15/2025$247.05$281.95+14.13%$281.95$281.9551 shs$7.67 billion Related Companies KEYS Stock Chart VLTO Stock Chart TER Stock Chart FTV Stock Chart RVTY Stock Chart NVMI Stock Chart AVTR Stock Chart VNT Stock Chart MIR Stock Chart CAMT Stock Chart Receive BIO.B Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Bio-Rad Laboratories and its competitors with MarketBeat's FREE daily newsletter. 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