Merus (MRUS) Stock Chart & Stock Price History $69.17 +0.99 (+1.44%) As of 01:52 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Merus Stock Price Performance The Merus (MRUS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 39.59%, with a year-to-date return of 64.06%. In the past month, the stock has increased 4.52%, reflecting recent market activity. As of the latest close, Merus traded at $68.18 with a market cap of $5.16 billion and volume of 682,704 shares. Five years ago, the stock traded at $12.94, representing a 433.12% increase over that period. At the time, it had a market cap of $375.80 million and a volume of 107,957 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.85%1 Month Performance+4.52%3 Month Performance+31.18%Year-To-Date Performance+64.06%1 Year Performance+39.59%5 Year Performance+433.12% MRUS Stock Chart for Thursday, September, 18, 2025 MRUS Chart by TradingView Merus 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 Capitalization09/17/2025$66.90$68.18+1.91%$69.63$67.01682,704 shs$5.16 billion09/16/2025$68.09$66.90-1.75%$69.25$66.77634,796 shs$5.06 billion09/15/2025$69.58$68.09-2.14%$70.13$66.49763,483 shs$5.15 billion09/12/2025$69.80$69.58-0.32%$70.25$68.551.24 million shs$5.26 billion09/11/2025$67.13$69.80+3.98%$70.65$67.13713,027 shs$5.28 billion09/10/2025$68.55$67.13-2.07%$68.96$67.13391,593 shs$5.08 billion09/09/2025$67.19$68.55+2.02%$68.70$65.74519,287 shs$5.18 billion09/08/2025$67.47$67.19-0.41%$67.81$66.03482,644 shs$5.08 billion09/05/2025$66.23$67.47+1.87%$67.74$65.61635,515 shs$5.10 billion09/04/2025$66.62$66.23-0.59%$67.22$62.80425,341 shs$5.01 billion Get the Latest News and Ratings for MRUS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Merus and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$66.30$66.62+0.48%$67.84$66.02589,537 shs$5.04 billion09/02/2025$65.84$66.30+0.70%$67.40$65.82704,741 shs$5.01 billion09/01/2025$65.84$65.84$67.23$64.70542,641 shs$4.98 billion08/29/2025$66.10$65.84-0.39%$67.23$64.70542,641 shs$4.98 billion08/28/2025$67.28$66.10-1.75%$69.20$66.051.10 million shs$5.00 billion08/27/2025$66.86$67.28+0.63%$67.50$65.41333,754 shs$5.09 billion08/26/2025$65.74$66.86+1.70%$66.97$65.20786,355 shs$5.06 billion08/25/2025$67.49$65.74-2.59%$68.18$65.71294,693 shs$4.97 billion08/22/2025$66.65$67.49+1.26%$68.00$66.18698,628 shs$5.10 billion08/21/2025$64.43$66.65+3.45%$66.93$63.02488,294 shs$5.04 billion08/20/2025$63.65$64.43+1.23%$64.46$62.63556,548 shs$4.87 billion08/19/2025$66.00$63.65-3.56%$65.72$63.27673,070 shs$4.81 billion08/18/2025$67.25$66.00-1.86%$67.42$65.94302,530 shs$4.99 billion Related Companies Genmab A/S Stock Chart Summit Therapeutics Stock Chart Dr. Reddy's Laboratories Stock Chart Ascendis Pharma A/S Stock Chart Viatris Stock Chart QIAGEN Stock Chart BridgeBio Pharma Stock Chart Roivant Sciences Stock Chart Elanco Animal Health Stock Chart Verona Pharma PLC American Depositary Share Stock Chart Receive MRUS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Merus and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:MRUS) was last updated on 9/18/2025 by MarketBeat.com Staff From Our PartnersWhy Peter Thiel Hid Gold in a VaultSilicon Valley billionaires hiding gold in vaults? 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