Mersana Therapeutics (MRSN) Stock Chart & Stock Price History $0.39 -0.01 (-3.00%) As of 02:57 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Mersana Therapeutics Stock Price Performance 5 Day Performance+6.62%1 Month Performance+14.15%3 Month Performance-36.28%6 Month Performance-78.68%Year-To-Date Performance-72.87%1 Year Performance-88.45% Receive MRSN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Mersana Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address MRSN Stock Chart for Friday, May, 2, 2025 MRSN Chart by TradingView Mersana Therapeutics 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 Capitalization05/01/2025$0.43$0.40-7.60%$0.43$0.382.44 million shs$49.85 million04/30/2025$0.37$0.43+17.19%$0.44$0.353.29 million shs$53.95 million04/29/2025$0.38$0.37-3.75%$0.39$0.342.27 million shs$46.04 million04/28/2025$0.36$0.38+5.47%$0.39$0.362.06 million shs$47.83 million04/25/2025$0.36$0.36+0.44%$0.37$0.351.69 million shs$45.35 million04/24/2025$0.39$0.36-7.10%$0.39$0.361.87 million shs$45.15 million04/23/2025$0.38$0.39+3.72%$0.43$0.373.94 million shs$48.61 million04/22/2025$0.33$0.38+15.02%$0.38$0.331.83 million shs$46.86 million04/21/2025$0.35$0.33-7.84%$0.36$0.332.33 million shs$40.74 million04/18/2025$0.35$0.35$0.38$0.332.47 million shs$44.21 million Get the Latest News and Ratings for MRSN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Mersana Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 04/17/2025$0.34$0.35+5.63%$0.38$0.332.47 million shs$44.21 million04/16/2025$0.35$0.34-3.64%$0.36$0.311.87 million shs$41.85 million04/15/2025$0.33$0.35+5.16%$0.40$0.332.96 million shs$43.43 million04/14/2025$0.31$0.33+6.59%$0.34$0.312.27 million shs$41.30 million04/11/2025$0.26$0.31+18.94%$0.31$0.262.62 million shs$38.75 million04/10/2025$0.30$0.26-13.90%$0.30$0.263.79 million shs$32.58 million04/09/2025$0.29$0.30+3.76%$0.34$0.282.67 million shs$37.84 million04/09/2025$0.29$0.30+3.76%$0.34$0.282.67 million shs$37.84 million04/08/2025$0.31$0.29-4.16%$0.34$0.291.82 million shs$36.47 million04/08/2025$0.31$0.29-4.16%$0.34$0.291.82 million shs$36.47 million04/07/2025$0.30$0.31+0.79%$0.33$0.273.51 million shs$38.05 million04/04/2025$0.31$0.30-1.05%$0.33$0.292.35 million shs$37.75 million04/03/2025$0.34$0.31-9.94%$0.33$0.312.54 million shs$38.15 million04/02/2025$0.33$0.34+1.68%$0.37$0.322.53 million shs$42.36 million04/01/2025$0.34$0.33-2.88%$0.36$0.333.62 million shs$41.66 million Related Companies IPHA Stock Chart CYBN Stock Chart LFVN Stock Chart AARD Stock Chart NBTX Stock Chart MOLN Stock Chart DMAC Stock Chart TNGX Stock Chart ACIU Stock Chart DERM Stock Chart Receive MRSN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Mersana Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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