Atea Pharmaceuticals (AVIR) Stock Chart & Stock Price History $4.15 +0.01 (+0.24%) Closing price 04:00 PM EasternExtended Trading$4.16 +0.00 (+0.12%) As of 04:10 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 Massive. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Atea Pharmaceuticals Stock Price Performance The Atea Pharmaceuticals (AVIR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 47.69%, with a year-to-date return of 16.25%. In the past month, the stock has decreased 27.70%, reflecting recent market activity. As of the latest close, Atea Pharmaceuticals traded at $4.14 with a market cap of $331.32 million and volume of 368,983 shares. Five years ago, the stock traded at $21.96, representing a 81.10% decrease over that period. At the time, it had a market cap of $1.82 billion and a volume of 840,711 shares. Receive AVIR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atea Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. 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Read our full terms of service and privacy policy. 5 Day Performance-2.81%1 Month Performance-27.70%3 Month Performance-12.45%Year-To-Date Performance+16.25%1 Year Performance+47.69%5 Year Performance-81.10% AVIR Stock Chart for Tuesday, May, 19, 2026 AVIR Chart by TradingView Atea Pharmaceuticals 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 DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/19/2026$4.14$4.15+0.24%$4.25$4.05250,594 shs$332.12 million05/18/2026$4.10$4.14+0.98%$4.23$4.04368,983 shs$331.32 million05/15/2026$4.27$4.10-3.98%$4.28$4.07459,907 shs$328.12 million05/14/2026$4.57$4.27-6.56%$4.58$4.20685,258 shs$341.73 million05/13/2026$5.50$4.57-16.91%$5.25$4.52971,366 shs$365.74 million05/12/2026$5.41$5.50+1.66%$5.56$5.33308,800 shs$440.17 million05/11/2026$5.43$5.41-0.37%$5.62$5.37358,827 shs$432.96 million05/08/2026$5.54$5.43-1.99%$5.57$5.42239,830 shs$443.35 million05/07/2026$5.65$5.54-1.95%$5.62$5.43192,201 shs$443.37 million05/06/2026$5.60$5.65+0.89%$5.76$5.54271,152 shs$452.17 million Get the Latest News and Ratings for AVIR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atea Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 05/05/2026N/A$5.60$5.83$5.54217,464 shs$448.15 million04/30/2026$5.43$5.51+1.47%$5.58$5.42203,108 shs$438.99 million04/29/2026$5.58$5.43-2.69%$5.63$5.24379,881 shs$432.62 million04/28/2026$5.36$5.58+4.10%$5.64$5.34344,835 shs$444.56 million04/27/2026$5.47$5.36-2.01%$5.55$5.34187,838 shs$427.03 million04/24/2026$5.52$5.47-0.91%$5.54$5.33209,912 shs$435.80 million04/23/2026$5.61$5.52-1.60%$5.68$5.50146,345 shs$439.79 million04/22/2026$5.52$5.61+1.63%$5.67$5.45170,313 shs$446.95 million04/21/2026$5.71$5.52-3.33%$5.70$5.41397,166 shs$439.78 million04/20/2026$5.74$5.71-0.52%$5.79$5.68216,273 shs$454.92 million Related Companies MBX Biosciences Stock Price Chart Palvella Therapeutics Stock Price Chart Harmony Biosciences Stock Price Chart Zymeworks Stock Price Chart Agios Pharmaceuticals Stock Price Chart Intellia Therapeutics Stock Price Chart Nuvation Bio Stock Price Chart Vericel Stock Price Chart Recursion Pharmaceuticals Stock Price Chart Nurix Therapeutics Stock Price Chart Receive AVIR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atea Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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