Alto Neuroscience (ANRO) Stock Chart & Stock Price History $3.95 +0.35 (+9.72%) Closing price 03:59 PM EasternExtended Trading$3.91 -0.04 (-1.04%) As of 04:21 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Alto Neuroscience Stock Price Performance The Alto Neuroscience (ANRO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 71.15%, with a year-to-date return of -6.62%. In the past month, the stock has increased 1.10%, reflecting recent market activity. As of the latest close, Alto Neuroscience traded at $3.63 with a market cap of $98.29 million and volume of 253,148 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+3.11%1 Month Performance+1.10%3 Month Performance+77.93%Year-To-Date Performance-6.62%1 Year Performance-71.15% ANRO Stock Chart for Monday, September, 22, 2025 ANRO Chart by TradingView Alto Neuroscience 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 Capitalization09/19/2025$4.09$3.63-11.25%$4.11$3.59253,148 shs$98.29 million09/18/2025$3.83$4.09+6.76%$4.11$3.8984,734 shs$110.76 million09/17/2025$3.94$3.83-2.77%$4.00$3.8169,701 shs$103.74 million09/16/2025$3.76$3.94+4.93%$3.95$3.7757,516 shs$106.68 million09/15/2025$3.88$3.76-3.25%$3.89$3.6555,611 shs$101.69 million09/12/2025$3.96$3.88-1.99%$3.99$3.8638,762 shs$105.10 million09/11/2025$3.53$3.96+12.18%$3.99$3.61112,587 shs$107.24 million09/10/2025$3.78$3.53-6.49%$3.75$3.5076,449 shs$95.58 million09/09/2025$3.91$3.78-3.45%$3.94$3.69101,602 shs$102.23 million09/08/2025$3.65$3.91+7.27%$3.95$3.6253,137 shs$105.88 million Get the Latest News and Ratings for ANRO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alto Neuroscience and its competitors with MarketBeat's FREE daily newsletter. 09/05/2025$3.52$3.65+3.43%$3.70$3.4736,319 shs$98.71 million09/04/2025$3.62$3.52-2.52%$3.60$3.4156,401 shs$95.43 million09/03/2025$3.89$3.62-6.95%$3.92$3.5732,944 shs$97.88 million09/02/2025$3.71$3.89+4.86%$3.90$3.65103,430 shs$105.21 million09/01/2025$3.71$3.71$3.85$3.5289,958 shs$100.33 million08/29/2025$3.82$3.71-3.01%$3.85$3.5289,958 shs$100.33 million08/28/2025$4.14$3.82-7.68%$4.18$3.7982,860 shs$103.43 million08/27/2025$4.14$4.14+0.07%$4.19$4.0578,670 shs$112.06 million08/26/2025$3.93$4.14+5.22%$4.25$3.9391,133 shs$111.98 million08/25/2025$3.91$3.93+0.59%$4.07$3.8999,835 shs$106.41 million08/22/2025$3.59$3.91+8.83%$3.93$3.61157,542 shs$105.79 million08/21/2025$3.44$3.59+4.39%$3.70$3.35122,565 shs$97.22 million Related Companies Solid Biosciences Stock Chart Astria Therapeutics Stock Chart Kamada Stock Chart Inhibrx Biosciences Stock Chart Upexi Stock Chart Y-mAbs Therapeutics Stock Chart PureTech Health Stock Chart Cullinan Therapeutics Stock Chart Aura Biosciences Stock Chart Fulcrum Therapeutics Stock Chart Receive ANRO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alto Neuroscience and its competitors with MarketBeat's FREE daily newsletter. 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