Alto Neuroscience (ANRO) Stock Chart & Stock Price History $3.70 -0.11 (-2.76%) Closing price 08/29/2025 03:58 PM EasternExtended Trading$3.68 -0.02 (-0.65%) As of 08/29/2025 07:55 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 71.05%, with a year-to-date return of -12.41%. In the past month, the stock has increased 20.88%, reflecting recent market activity. As of the latest close, Alto Neuroscience traded at $3.71 with a market cap of $100.33 million and volume of 89,958 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-10.40%1 Month Performance+20.88%3 Month Performance+41.95%Year-To-Date Performance-12.41%1 Year Performance-71.05% ANRO Stock Chart for Sunday, August, 31, 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 Capitalization08/29/2025$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 million08/20/2025$3.46$3.44-0.46%$3.50$3.3231,909 shs$93.13 million08/19/2025$3.40$3.46+1.50%$3.47$3.3378,483 shs$93.55 million08/18/2025$3.15$3.40+8.06%$3.54$3.05221,857 shs$92.18 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. 08/15/2025$3.12$3.15+1.03%$3.17$3.0658,677 shs$85.27 million08/14/2025$3.13$3.12-0.38%$3.14$3.0264,868 shs$84.40 million08/13/2025$3.19$3.13-1.88%$3.22$3.0677,872 shs$84.74 million08/12/2025$3.06$3.19+4.42%$3.20$3.03103,157 shs$86.35 million08/11/2025$3.06$3.06-0.23%$3.10$3.0350,598 shs$82.70 million08/08/2025$3.06$3.06+0.07%$3.08$3.0573,032 shs$82.89 million08/07/2025$3.09$3.06-0.97%$3.09$3.0598,695 shs$82.84 million08/06/2025$3.08$3.09+0.32%$3.10$3.00141,562 shs$83.65 million08/05/2025$3.07$3.08+0.33%$3.09$3.0546,788 shs$83.38 million08/04/2025$3.06$3.07+0.33%$3.10$3.0587,813 shs$83.11 million08/01/2025$3.07$3.06-0.16%$3.12$3.01220,948 shs$82.83 million07/31/2025$3.08$3.07-0.49%$3.13$3.05179,182 shs$82.98 million07/30/2025$3.06$3.08+0.65%$3.13$3.05102,404 shs$83.38 million Related Companies Compass Therapeutics Stock Chart I-Mab Stock Chart Corvus Pharmaceuticals Stock Chart Kamada Stock Chart Aura Biosciences Stock Chart Aquestive Therapeutics Stock Chart Rocket Pharmaceuticals Stock Chart Y-mAbs Therapeutics Stock Chart Vigil Neuroscience Stock Chart Olema Pharmaceuticals 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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