Axcelis Technologies (ACLS) Stock Chart & Stock Price History $80.04 -1.97 (-2.40%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$78.14 -1.90 (-2.37%) 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Axcelis Technologies Stock Price Performance The Axcelis Technologies (ACLS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 26.79%, with a year-to-date return of 14.56%. In the past month, the stock has increased 16.42%, reflecting recent market activity. As of the latest close, Axcelis Technologies traded at $80.04 with a market cap of $2.51 billion and volume of 385,773 shares. Five years ago, the stock traded at $24.20, representing a 230.74% increase over that period. At the time, it had a market cap of $807.52 million and a volume of 308,000 shares. Receive ACLS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Axcelis Technologies and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy 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. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance-2.29%1 Month Performance+16.42%3 Month Performance+42.45%Year-To-Date Performance+14.56%1 Year Performance-26.79%5 Year Performance+230.74% ACLS Stock Chart for Monday, September, 1, 2025 ACLS Chart by TradingView Axcelis Technologies 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$82.01$80.04-2.40%$82.27$79.55385,773 shs$2.51 billion08/28/2025$81.92$82.01+0.11%$82.77$79.96875,374 shs$2.58 billion08/27/2025$80.91$81.92+1.25%$82.22$80.39292,526 shs$2.57 billion08/26/2025$80.38$80.91+0.66%$81.82$79.78390,313 shs$2.54 billion08/25/2025$81.29$80.38-1.12%$82.18$80.33293,205 shs$2.53 billion08/22/2025$78.51$81.29+3.54%$83.36$78.86493,569 shs$2.55 billion08/21/2025$79.07$78.51-0.71%$79.83$77.70390,843 shs$2.47 billion08/20/2025$80.20$79.07-1.41%$80.40$77.71361,945 shs$2.48 billion08/19/2025$80.73$80.20-0.66%$82.28$79.24340,100 shs$2.52 billion08/18/2025$80.51$80.73+0.27%$81.70$79.77289,713 shs$2.54 billion Get the Latest News and Ratings for ACLS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Axcelis Technologies and its competitors with MarketBeat's FREE daily newsletter. 08/15/2025$83.75$80.51-3.87%$81.21$78.75618,459 shs$2.53 billion08/14/2025$84.97$83.75-1.44%$84.15$82.51345,764 shs$2.63 billion08/13/2025$81.32$84.97+4.49%$85.45$81.68870,423 shs$2.67 billion08/12/2025$78.00$81.32+4.26%$82.55$78.02580,644 shs$2.55 billion08/11/2025$79.42$78.00-1.79%$80.50$77.83356,796 shs$2.45 billion08/08/2025$79.51$79.42-0.11%$80.23$78.52389,989 shs$2.50 billion08/07/2025$75.72$79.51+5.01%$80.48$77.37671,130 shs$2.55 billion08/06/2025$78.01$75.72-2.94%$77.82$74.881.09 million shs$2.43 billion08/05/2025$70.88$78.01+10.06%$84.37$75.981.58 million shs$2.51 billion08/04/2025$68.75$70.88+3.10%$70.92$67.49648,553 shs$2.28 billion08/01/2025$67.69$68.75+1.57%$69.15$65.64545,422 shs$2.21 billion07/31/2025$72.89$67.69-7.13%$71.18$67.16757,903 shs$2.17 billion Related Companies Advanced Energy Industries Stock Price Chart Applied Materials Stock Price Chart Cohu Stock Price Chart KLA Stock Price Chart Lam Research Stock Price Chart MKS Stock Price Chart NXP Semiconductors Stock Price Chart Teradyne Stock Price Chart Veeco Instruments Stock Price Chart Onto Innovation Stock Price Chart Receive ACLS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Axcelis Technologies and its competitors with MarketBeat's FREE daily newsletter. 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