SUMCO (SUOPY) Stock Chart & Stock Price History $21.73 +1.49 (+7.34%) As of 09/24/2025 01:23 PM Eastern Add Compare Share Share Chart Stock AnalysisChartEarningsHeadlinesSEC FilingsShort InterestBuy This Stock SUMCO Stock Price Performance The SUMCO (SUOPY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 4.21%, with a year-to-date return of 46.38%. In the past month, the stock has increased 31.70%, reflecting recent market activity. As of the latest close, SUMCO traded at $21.73 with a market cap of $3.80 billion and volume of 9,201 shares. Five years ago, the stock traded at $28.18, representing a 22.89% decrease over that period. At the time, it had a market cap of $4.10 billion and a volume of 6 shares. Receive SUOPY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for SUMCO and its competitors with MarketBeat's FREE daily newsletter. 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Read our full terms of service and privacy policy. 5 Day Performance+7.34%1 Month Performance+31.70%3 Month Performance+58.61%Year-To-Date Performance+46.38%1 Year Performance+4.21%5 Year Performance-22.89% SUOPY Stock Chart for Thursday, September, 25, 2025 SUOPY Chart by TradingView SUMCO 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 Capitalization09/24/2025$21.73$21.73$21.73$21.739,201 shs$3.80 billion09/23/2025$21.73$21.73$21.73$21.73203 shs$3.80 billion09/22/2025$20.25$21.73+7.34%$21.94$21.204,541 shs$3.80 billion09/19/2025$21.24$20.25-4.67%$20.49$20.251,120 shs$3.54 billion09/18/2025$19.28$21.24+10.15%$21.48$20.5013,428 shs$3.72 billion09/17/2025$19.51$19.28-1.18%$19.28$19.28434 shs$3.38 billion09/16/2025$18.65$19.51+4.61%$19.95$19.173,276 shs$3.42 billion09/15/2025$18.25$18.65+2.19%$18.65$18.651,498 shs$3.27 billion09/12/2025$17.50$18.25+4.29%$18.25$18.256,310 shs$3.20 billion09/11/2025$17.25$17.50+1.45%$17.50$17.457,304 shs$3.06 billion Get the Latest News and Ratings for SUOPY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for SUMCO and its competitors with MarketBeat's FREE daily newsletter. 09/10/2025$17.25$17.25$17.25$17.2512 shs$3.02 billion09/09/2025$17.25$17.25$17.45$17.2520,126 shs$3.02 billion09/08/2025$17.22$17.25+0.17%$17.45$17.2520,126 shs$3.02 billion09/05/2025$16.50$17.22+4.37%$17.22$17.22201 shs$3.02 billion09/04/2025$16.50$16.50$16.50$16.509 shs$2.89 billion09/03/2025$16.50$16.50$16.50$16.5026 shs$2.89 billion08/29/2025$16.50$16.50$16.50$16.50152 shs$2.89 billion08/28/2025$16.50$16.50$16.50$16.5028 shs$2.89 billion08/26/2025$16.50$16.50$16.50$16.5061 shs$2.89 billion08/25/2025$16.50$16.50$16.50$16.50333 shs$2.89 billion Related Companies THK Stock Chart Amtech Systems Stock Chart NVIDIA Stock Chart Texas Instruments Stock Chart Intel Stock Chart STMicroelectronics Stock Chart MTN Group Stock Chart Rubrik Stock Chart AST SpaceMobile Stock Chart Dynatrace Stock Chart Receive SUOPY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for SUMCO and its competitors with MarketBeat's FREE daily newsletter. 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