Alnylam Pharmaceuticals (ALNY) Stock Chart & Stock Price History $263.24 +6.05 (+2.35%) As of 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Alnylam Pharmaceuticals Stock Price Performance 5 Day Performance+1.96%1 Month Performance-4.46%3 Month Performance-7.46%6 Month Performance-8.88%Year-To-Date Performance+9.00%1 Year Performance+78.18% Receive ALNY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alnylam Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address ALNY Stock Chart for Wednesday, April, 30, 2025 ALNY Chart by TradingView Alnylam Pharmaceuticals 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 Capitalization04/29/2025$254.85$257.19+0.92%$260.54$253.83941,496 shs$33.46 billion04/28/2025$251.56$254.85+1.31%$256.57$252.26508,827 shs$33.15 billion04/25/2025$242.61$251.56+3.69%$253.25$240.00835,531 shs$32.72 billion04/24/2025$241.97$242.61+0.26%$243.69$238.62676,835 shs$31.56 billion04/23/2025$236.75$241.97+2.20%$248.59$240.01752,736 shs$31.48 billion04/22/2025$232.75$236.75+1.72%$238.63$231.76885,941 shs$30.80 billion04/21/2025$234.56$232.75-0.77%$237.77$228.28796,447 shs$30.28 billion04/18/2025$234.56$234.56$235.12$228.96601,349 shs$30.51 billion04/17/2025$230.50$234.56+1.76%$235.12$228.96601,349 shs$30.51 billion04/16/2025$230.93$230.50-0.19%$234.50$225.841.01 million shs$29.98 billion Get the Latest News and Ratings for ALNY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alnylam Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 04/15/2025$240.01$230.93-3.78%$242.15$228.061.03 million shs$30.04 billion04/14/2025$237.77$240.01+0.94%$241.83$234.18926,557 shs$31.22 billion04/11/2025$226.28$237.77+5.08%$240.00$220.541.58 million shs$30.93 billion04/10/2025$243.27$226.28-6.98%$235.33$214.761.66 million shs$29.44 billion04/09/2025$224.32$243.27+8.45%$245.56$205.872.10 million shs$31.65 billion04/09/2025$224.32$243.27+8.45%$245.56$205.872.10 million shs$31.65 billion04/08/2025$232.95$224.32-3.70%$246.15$220.421.03 million shs$29.18 billion04/08/2025$232.95$224.32-3.70%$246.15$220.421.03 million shs$29.18 billion04/07/2025$235.74$232.95-1.18%$241.83$220.001.56 million shs$30.30 billion04/04/2025$262.16$235.74-10.08%$259.16$235.571.88 million shs$30.67 billion04/03/2025$266.83$262.16-1.75%$264.65$258.651.03 million shs$34.10 billion04/02/2025$255.76$266.83+4.33%$267.29$252.07886,904 shs$34.71 billion04/01/2025$270.02$255.76-5.28%$273.61$255.13867,905 shs$33.27 billion03/31/2025$268.46$270.02+0.58%$271.85$258.001.07 million shs$35.13 billion Related Companies Regeneron Pharmaceuticals Stock Price Chart Biogen Stock Price Chart United Therapeutics Stock Price Chart BioMarin Pharmaceutical Stock Price Chart Incyte Stock Price Chart Neurocrine Biosciences Stock Price Chart Exelixis Stock Price Chart Exact Sciences Stock Price Chart Repligen Stock Price Chart Halozyme Therapeutics Stock Price Chart Receive ALNY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alnylam Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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