Altimmune (ALT) Stock Chart & Stock Price History $5.92 -0.13 (-2.07%) As of 03:45 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Altimmune Stock Price Performance 5 Day Performance+2.51%1 Month Performance+0.25%3 Month Performance-21.52%6 Month Performance-15.36%Year-To-Date Performance-17.82%1 Year Performance-30.54% Receive ALT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Altimmune and its competitors with MarketBeat's FREE daily newsletter. Email Address ALT Stock Chart for Tuesday, March, 25, 2025 ALT Chart by TradingViewRemove Ads Altimmune 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 Capitalization03/24/2025$5.79$6.05+4.44%$6.16$5.822.30 million shs$465.94 million03/21/2025$5.78$5.79+0.22%$5.87$5.602.04 million shs$446.14 million03/20/2025$5.81$5.78-0.52%$5.87$5.641.69 million shs$445.14 million03/19/2025$5.61$5.81+3.57%$5.88$5.551.74 million shs$447.45 million03/18/2025$5.97$5.61-6.03%$5.89$5.482.53 million shs$432.05 million03/17/2025$5.92$5.97+0.84%$6.01$5.455.87 million shs$459.77 million03/14/2025$5.20$5.92+13.85%$6.05$5.3612.15 million shs$455.92 million03/13/2025$5.55$5.20-6.31%$5.62$5.142.92 million shs$400.47 million03/12/2025$5.26$5.55+5.51%$5.61$5.393.03 million shs$427.43 million03/11/2025$5.45$5.26-3.49%$5.45$5.153.24 million shs$405.09 million Get the Latest News and Ratings for ALT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Altimmune and its competitors with MarketBeat's FREE daily newsletter. 03/10/2025$5.57$5.45-2.15%$5.57$5.232.27 million shs$419.73 million03/07/2025$5.59$5.57-0.36%$5.64$5.462.39 million shs$428.97 million03/06/2025$5.72$5.59-2.27%$5.66$5.412.99 million shs$430.51 million03/05/2025$5.96$5.72-4.03%$6.09$5.713.50 million shs$440.52 million03/04/2025$5.99$5.96-0.50%$6.07$5.502.81 million shs$423.91 million03/03/2025$6.65$5.99-9.92%$6.71$5.932.63 million shs$426.04 million02/28/2025$6.42$6.65+3.58%$6.68$6.203.37 million shs$472.95 million02/27/2025$5.94$6.42+8.08%$6.78$5.964.42 million shs$456.59 million02/26/2025$5.91$5.94+0.51%$6.09$5.891.93 million shs$422.45 million02/25/2025$6.11$5.91-3.27%$6.23$5.802.37 million shs$420.32 million02/24/2025$6.43$6.11-4.98%$6.46$6.032.02 million shs$434.54 million Related Companies Vera Therapeutics Stock Price Chart Disc Medicine Stock Price Chart Schrödinger Stock Price Chart Galapagos Stock Price Chart Mesoblast Stock Price Chart IDEAYA Biosciences Stock Price Chart Kiniksa Pharmaceuticals Stock Price Chart Ascentage Pharma Group International Stock Price Chart Wave Life Sciences Stock Price Chart Immunocore Stock Price Chart Receive ALT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Altimmune and its competitors with MarketBeat's FREE daily newsletter. 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