This company recently went public with an IPO on Wednesday, August 6th 2025. They issued 7,200,000 shares at $10.00 per share. We will continue to update data for QUMSU as it becomes available. Quantumsphere Acquisition (QUMSU) Stock Chart & Stock Price History $10.07 +0.02 (+0.20%) As of 09:30 AM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsSEC FilingsTrendsBuy This Stock Quantumsphere Acquisition Stock Price Performance The Quantumsphere Acquisition (QUMSU) stock chart highlights key performance trends across multiple timeframes. As of the latest close, Quantumsphere Acquisition traded at $10.05 with a market cap of and volume of 92,793 shares. Receive QUMSU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quantumsphere Acquisition and its competitors with MarketBeat's FREE daily newsletter. Email Address QUMSU Stock Chart for Wednesday, August, 13, 2025 QUMSU Chart by TradingView Quantumsphere Acquisition 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 Capitalization08/12/2025$10.04$10.05+0.10%$10.08$10.0592,793 shs$0.0008/11/2025N/A$10.04$10.07$10.0486,899 shs$0.00 Related Companies 1RT Acquisition Stock Chart A SPAC III Acquisition Stock Chart AGBA Group Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart AGNC Investment Stock Chart Agriculture & Natural Solutions Acquisition Stock Chart Agriculture & Natural Solutions Acquisition Stock Chart Receive QUMSU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Quantumsphere Acquisition and its competitors with MarketBeat's FREE daily newsletter. 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