MBX Biosciences (MBX) Stock Chart & Stock Price History $12.95 +0.42 (+3.35%) Closing price 08/13/2025 04:00 PM EasternExtended Trading$13.27 +0.32 (+2.50%) As of 04:05 AM 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy This Stock MBX Biosciences Stock Price Performance The MBX Biosciences (MBX) stock chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the stock decreased 29.73%. In the past month, the stock has decreased 6.63%, reflecting recent market activity. As of the latest close, MBX Biosciences traded at $12.95 with a market cap of $435.04 million and volume of 617,569 shares. 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Email Address 5 Day Performance+6.50%1 Month Performance-6.63%3 Month Performance+27.34%Year-To-Date Performance-29.73% MBX Stock Chart for Thursday, August, 14, 2025 MBX Chart by TradingView MBX Biosciences 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 Capitalization08/13/2025$12.53$12.95+3.35%$14.28$12.48617,569 shs$435.04 million08/12/2025$11.26$12.53+11.28%$12.62$11.34293,739 shs$418.80 million08/11/2025$12.16$11.26-7.40%$12.20$10.82335,888 shs$376.35 million08/08/2025$11.13$12.16+9.25%$12.64$10.11690,201 shs$406.44 million08/07/2025$11.67$11.13-4.63%$12.11$10.94327,239 shs$372.01 million08/06/2025$11.95$11.67-2.34%$11.90$11.24428,333 shs$390.06 million08/05/2025$12.54$11.95-4.70%$13.82$11.91379,109 shs$399.42 million08/04/2025$13.75$12.54-8.80%$13.89$12.27323,602 shs$419.14 million08/01/2025$13.25$13.75+3.77%$13.92$12.55513,171 shs$459.58 million07/31/2025$15.49$13.25-14.46%$15.89$13.08801,233 shs$442.87 million Get the Latest News and Ratings for MBX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for MBX Biosciences and its competitors with MarketBeat's FREE daily newsletter. 07/30/2025$14.96$15.49+3.54%$15.94$14.60857,672 shs$517.74 million07/29/2025$14.55$14.96+2.82%$15.21$14.02417,665 shs$500.02 million07/28/2025$14.57$14.55-0.14%$15.12$13.81618,994 shs$486.32 million07/25/2025$13.03$14.57+11.82%$15.92$12.33934,660 shs$486.99 million07/24/2025$13.68$13.03-4.75%$14.20$12.94523,591 shs$435.52 million07/23/2025$11.70$13.68+16.92%$13.79$11.71744,035 shs$457.24 million07/22/2025$12.19$11.70-4.02%$12.66$11.63385,477 shs$391.06 million07/21/2025$11.75$12.19+3.74%$13.12$11.73365,289 shs$407.44 million07/18/2025$12.19$11.75-3.61%$13.16$11.56273,419 shs$392.73 million07/17/2025$12.43$12.19-1.93%$12.88$12.02239,822 shs$407.44 million07/16/2025$13.40$12.43-7.24%$14.24$11.80599,292 shs$415.46 million07/15/2025$13.87$13.40-3.39%$14.74$12.99307,036 shs$447.88 million07/14/2025$13.04$13.87+6.37%$13.99$12.93388,969 shs$463.59 million Related Companies Biohaven Stock Chart Aurinia Pharmaceuticals Stock Chart Janux Therapeutics Stock Chart Dyne Therapeutics Stock Chart Travere Therapeutics Stock Chart Schrodinger Stock Chart Edgewise Therapeutics Stock Chart ANI Pharmaceuticals Stock Chart WAVE Life Sciences Stock Chart 89BIO Stock Chart Receive MBX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for MBX Biosciences and its competitors with MarketBeat's FREE daily newsletter. 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