Y-mAbs Therapeutics (YMAB) Stock Chart & Stock Price History $8.52 0.00 (0.00%) Closing price 08/7/2025 04:00 PM EasternExtended Trading$8.52 0.00 (-0.06%) 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Y-mAbs Therapeutics Stock Price Performance The Y-mAbs Therapeutics (YMAB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 24.80%, with a year-to-date return of 8.81%. In the past month, the stock has increased 102.38%, reflecting recent market activity. As of the latest close, Y-mAbs Therapeutics traded at $8.52 with a market cap of $385.82 million and volume of 1.24 million shares. Five years ago, the stock traded at $38.03, representing a 77.60% decrease over that period. At the time, it had a market cap of $1.51 billion and a volume of 141,277 shares. Receive YMAB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Y-mAbs Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+88.08%1 Month Performance+102.38%3 Month Performance+110.37%Year-To-Date Performance+8.81%1 Year Performance-24.80%5 Year Performance-77.60% YMAB Stock Chart for Friday, August, 8, 2025 YMAB Chart by TradingView Y-mAbs Therapeutics 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 Capitalization08/07/2025$8.52$8.52$8.54$8.511.24 million shs$385.82 million08/06/2025$8.52$8.52$8.52$8.502.55 million shs$385.79 million08/05/2025$4.19$8.52+103.34%$8.54$8.5020.02 million shs$385.79 million08/04/2025$4.53$4.19-7.51%$4.54$4.16769,202 shs$189.74 million08/01/2025$4.47$4.53+1.34%$4.59$4.29138,793 shs$205.12 million07/31/2025$4.79$4.47-6.68%$4.83$4.43156,883 shs$202.40 million07/30/2025$4.97$4.79-3.62%$5.18$4.77250,793 shs$216.89 million07/29/2025$4.88$4.97+1.84%$5.00$4.64232,178 shs$225.04 million07/28/2025$4.77$4.88+2.31%$4.96$4.70157,349 shs$220.99 million07/25/2025$4.84$4.77-1.45%$4.90$4.68182,616 shs$216.01 million Get the Latest News and Ratings for YMAB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Y-mAbs Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 07/24/2025$4.81$4.84+0.62%$5.01$4.64296,580 shs$219.16 million07/23/2025$4.41$4.81+9.07%$4.85$4.42301,212 shs$217.80 million07/22/2025$4.33$4.41+1.85%$4.45$4.29124,304 shs$199.70 million07/21/2025$4.31$4.33+0.46%$4.50$4.30127,764 shs$196.06 million07/18/2025$4.32$4.31-0.23%$4.42$4.23157,975 shs$195.16 million07/17/2025$4.35$4.32-0.69%$4.42$4.30111,782 shs$195.61 million07/16/2025$4.22$4.35+3.08%$4.39$4.20181,704 shs$196.99 million07/15/2025$4.36$4.22-3.21%$4.42$4.22140,865 shs$191.08 million07/14/2025$4.36$4.36$4.44$4.2389,025 shs$197.42 million07/11/2025$4.52$4.36-3.54%$4.48$4.27111,067 shs$197.42 million07/10/2025$4.44$4.52+1.80%$4.58$4.3698,392 shs$204.68 million07/09/2025$4.21$4.44+5.46%$4.62$4.21167,823 shs$201.04 million07/08/2025$4.22$4.21-0.24%$4.40$4.20145,339 shs$190.63 million07/07/2025$4.31$4.22-1.97%$4.33$4.10168,824 shs$191.08 million Related Companies NUVB Stock Chart SION Stock Chart SNDX Stock Chart QURE Stock Chart DNA Stock Chart IMTX Stock Chart ANAB Stock Chart CRON Stock Chart XERS Stock Chart VIR Stock Chart Receive YMAB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Y-mAbs Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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