Amarin (AMRN) Stock Chart & Stock Price History $15.98 +0.16 (+1.01%) Closing price 04:00 PM EasternExtended Trading$15.98 0.00 (0.00%) As of 04:45 PM 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 Amarin Stock Price Performance The Amarin (AMRN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 29.92%, with a year-to-date return of 64.74%. In the past month, the stock has increased 4.86%, reflecting recent market activity. As of the latest close, Amarin traded at $15.82 with a market cap of $327.63 million and volume of 53,190 shares. Five years ago, the stock traded at a split-adjusted price of $138.20, representing a 88.44% decrease over that period. At the time, it had a market cap of $2.67 billion and a volume of 163,648 shares. Receive AMRN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amarin and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.11%1 Month Performance+4.86%3 Month Performance+45.40%Year-To-Date Performance+64.74%1 Year Performance+29.92%5 Year Performance-88.44% AMRN Stock Chart for Friday, August, 22, 2025 AMRN Chart by TradingView Amarin 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 Capitalization08/22/2025$15.82$15.98+1.01%$16.14$15.8144,615 shs$330.95 million08/21/2025$15.85$15.82-0.19%$15.92$15.5453,190 shs$327.63 million08/20/2025$15.82$15.85+0.19%$16.02$15.7061,746 shs$328.21 million08/19/2025$16.17$15.82-2.16%$16.17$15.6850,464 shs$327.63 million08/18/2025$15.65$16.17+3.32%$16.50$15.65109,021 shs$334.88 million08/15/2025$15.04$15.65+4.06%$15.77$14.9881,433 shs$324.11 million08/14/2025$15.00$15.04+0.27%$15.24$14.8185,942 shs$311.43 million08/13/2025$14.90$15.00+0.67%$15.00$14.6659,746 shs$310.65 million08/12/2025$14.94$14.90-0.27%$15.03$14.6297,938 shs$308.58 million08/11/2025$14.99$14.94-0.33%$15.04$14.5757,337 shs$309.36 million Get the Latest News and Ratings for AMRN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amarin and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$15.10$14.99-0.73%$15.25$14.7375,706 shs$310.44 million08/07/2025$15.05$15.10+0.33%$15.19$14.8850,837 shs$312.68 million08/06/2025$15.13$15.05-0.53%$15.20$14.6449,188 shs$311.69 million08/05/2025$15.38$15.13-1.63%$15.50$15.0167,144 shs$313.34 million08/04/2025$15.16$15.38+1.45%$15.48$14.9067,795 shs$318.47 million08/01/2025$14.52$15.16+4.41%$15.65$14.0588,516 shs$313.92 million07/31/2025$14.97$14.52-3.01%$15.08$14.3754,189 shs$300.71 million07/30/2025$14.65$14.97+2.18%$15.30$14.4984,618 shs$310.03 million07/29/2025$14.99$14.65-2.27%$15.34$14.4587,753 shs$303.36 million07/28/2025$15.39$14.99-2.60%$15.38$14.7862,790 shs$310.44 million07/25/2025$15.50$15.39-0.71%$15.61$15.1377,769 shs$318.73 million07/24/2025$15.59$15.50-0.58%$15.59$15.2739,244 shs$321.01 million07/23/2025$15.24$15.59+2.30%$15.68$15.2444,396 shs$322.82 million07/22/2025$15.55$15.24-1.99%$15.59$15.1160,700 shs$315.62 million07/21/2025$15.82$15.55-1.71%$16.12$15.5164,080 shs$322.04 million Related Companies Avadel Pharmaceuticals Stock Price Chart Evotec Stock Price Chart Phibro Animal Health Stock Price Chart Tilray Brands Stock Price Chart CureVac Stock Price Chart Collegium Pharmaceutical Stock Price Chart Calliditas Therapeutics AB (publ) Stock Price Chart Xeris Biopharma Stock Price Chart Enliven Therapeutics Stock Price Chart Pharvaris Stock Price Chart Receive AMRN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amarin and its competitors with MarketBeat's FREE daily newsletter. 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