Allegro MicroSystems (ALGM) Stock Chart & Stock Price History $26.23 -1.03 (-3.79%) As of 03:35 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 Allegro MicroSystems Stock Price Performance The Allegro MicroSystems (ALGM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 8.84%, with a year-to-date return of 19.98%. In the past month, the stock has increased 58.67%, reflecting recent market activity. As of the latest close, Allegro MicroSystems traded at $27.26 with a market cap of $5.02 billion and volume of 1.80 million shares. 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Email Address 5 Day Performance-4.66%1 Month Performance+58.67%3 Month Performance-1.44%Year-To-Date Performance+19.98%1 Year Performance-8.84% ALGM Stock Chart for Wednesday, May, 21, 2025 ALGM Chart by TradingView Allegro MicroSystems 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 Capitalization05/20/2025$27.12$27.26+0.52%$27.43$26.551.80 million shs$5.02 billion05/19/2025$27.51$27.12-1.42%$27.15$26.481.87 million shs$4.99 billion05/16/2025$27.02$27.51+1.81%$27.56$26.892.21 million shs$5.07 billion05/15/2025$27.02$27.02$27.18$26.452.87 million shs$4.98 billion05/14/2025$26.30$27.02+2.74%$27.06$26.103.60 million shs$4.98 billion05/13/2025$24.83$26.30+5.92%$26.39$24.434.59 million shs$4.84 billion05/12/2025$22.33$24.83+11.20%$25.30$23.974.48 million shs$4.57 billion05/09/2025$21.09$22.33+5.87%$22.65$21.413.09 million shs$4.11 billion05/08/2025$18.69$21.09+12.85%$21.51$19.755.86 million shs$3.88 billion05/07/2025$18.96$18.69-1.42%$19.14$18.177.87 million shs$3.44 billion Get the Latest News and Ratings for ALGM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Allegro MicroSystems and its competitors with MarketBeat's FREE daily newsletter. 05/06/2025$19.15$18.96-0.99%$19.11$18.303.55 million shs$3.49 billion05/05/2025$19.55$19.15-2.05%$19.49$19.012.77 million shs$3.53 billion05/02/2025$18.83$19.55+3.82%$19.85$19.082.12 million shs$3.60 billion05/01/2025$19.07$18.83-1.26%$19.56$18.811.85 million shs$3.47 billion04/30/2025$18.76$19.07+1.65%$19.13$17.901.94 million shs$3.51 billion04/29/2025$19.23$18.76-2.44%$19.10$18.582.36 million shs$3.45 billion04/28/2025$19.12$19.23+0.58%$19.55$18.651.86 million shs$3.54 billion04/25/2025$18.87$19.12+1.32%$19.31$18.462.11 million shs$3.52 billion04/24/2025$17.52$18.87+7.71%$19.34$18.003.04 million shs$3.47 billion04/23/2025$16.77$17.52+4.47%$18.20$17.413.97 million shs$3.23 billion04/22/2025$16.53$16.77+1.45%$17.15$16.425.07 million shs$3.09 billion04/21/2025$18.06$16.53-8.47%$17.47$16.386.54 million shs$3.04 billion Related Companies Flex Stock Chart Astera Labs Stock Chart Celestica Stock Chart Leonardo DRS Stock Chart Credo Technology Group Stock Chart Nextracker Stock Chart Universal Display Stock Chart Qorvo Stock Chart Lumentum Stock Chart SiTime Stock Chart Receive ALGM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Allegro MicroSystems and its competitors with MarketBeat's FREE daily newsletter. 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