Sumco (SUMCF) Stock Chart & Stock Price History $11.29 +0.28 (+2.54%) As of 11:10 AM Eastern Add Compare Share Share Chart Stock AnalysisChartShort InterestBuy This Stock Sumco Stock Price Performance The Sumco (SUMCF) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 8.56%, with a year-to-date return of 46.09%. In the past month, the stock has increased 29.92%, reflecting recent market activity. As of the latest close, Sumco traded at $11.01 with a market cap of and volume of 4,321 shares. Receive SUMCF 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-5.32%1 Month Performance+29.92%3 Month Performance+41.23%Year-To-Date Performance+46.09%1 Year Performance+8.56% SUMCF Stock Chart for Wednesday, October, 8, 2025 SUMCF 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 Capitalization10/08/2025$11.01$11.29+2.54%$11.29$11.29632 shs$0.0010/07/2025$11.87$11.01-7.28%$11.34$11.014,321 shs$0.0010/06/2025$11.92$11.87-0.42%$11.87$11.2013,220 shs$0.0010/03/2025$10.61$11.92+12.38%$12.00$11.593,387 shs$0.0010/02/2025$10.71$10.61-0.93%$11.39$10.61643 shs$0.0010/01/2025$11.04$10.71-2.99%$10.71$10.354,733 shs$0.0009/30/2025$10.77$11.04+2.51%$11.04$11.0468,579 shs$0.0009/29/2025$9.80$10.77+9.90%$10.77$10.231,437 shs$0.0009/26/2025$10.39$9.80-5.68%$10.28$9.754,688 shs$0.0009/25/2025$10.69$10.39-2.81%$10.39$10.391,099 shs$0.00 Get the Latest News and Ratings for SUMCF 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. 09/24/2025$11.09$10.69-3.61%$10.69$10.691,337 shs$0.0009/23/2025$11.09$11.09$11.09$10.702,803 shs$0.0009/22/2025$10.30$11.09+7.65%$11.09$10.312,994 shs$0.0009/19/2025$10.64$10.30-3.18%$10.30$9.702,874 shs$0.0009/18/2025$9.84$10.64+8.11%$10.82$10.103,697 shs$0.0009/17/2025$9.28$9.84+6.06%$9.96$9.6611,314 shs$0.0009/16/2025$9.28$9.28$9.28$8.682,951 shs$0.0009/15/2025$8.68$9.28+6.91%$9.28$8.682,951 shs$0.0009/12/2025$9.02$8.68-3.77%$9.22$8.681,120 shs$0.0009/11/2025$8.71$9.02+3.51%$9.02$8.832,081 shs$0.0009/10/2025$8.92$8.71-2.31%$8.85$8.162,541 shs$0.0009/09/2025$8.69$8.92+2.65%$8.92$8.464,007 shs$0.0009/08/2025$8.70$8.69-0.06%$9.11$8.692,644 shs$0.00 Related Companies Aixtron Stock Price Chart ASMPT Stock Price Chart ASMPT Stock Price Chart Lasertec Stock Price Chart Lasertec Stock Price Chart Nanoco Group Stock Price Chart REC Silicon ASA Stock Price Chart Soitec Stock Price Chart Solitron Devices Stock Price Chart Spectra7 Microsystems Stock Price Chart Receive SUMCF 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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