QuantumScape Surges on Honda Partnership for Solid-State Battery Development
QuantumScape (QS) shares surged up to 16% on June 18, 2026, after announcing a multi-year joint research agreement with Honda Motor’s R&D subsidiary to advance solid-state battery technology. The deal, following rigorous evaluation, highlights Honda’s confidence in QuantumScape’s platform for EVs and other applications. The news boosted sector enthusiasm, lifting peer Solid Power, though both firms remain pre-revenue. QuantumScape’s stock shows high volatility, with insider selling noted.
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QuantumScape Stock Jumps on Honda Solid-State Battery Agreement
QuantumScape stock surged on Thursday following the announcement of a solid-state battery agreement with Honda Motor. The agreement, reported by Barron's, triggered a significant rise in QuantumScape's share price. The deal highlights growing collaboration between electric vehicle battery developers and automakers. Honda's partnership with QuantumScape aims to advance solid-state battery technology, which promises higher energy density and faster charging compared to traditional lithium-ion batteries. The market reacted positively, boosting QuantumScape's valuation. The stock move was also noted in the context of broader market indices like the S&P 500 and Dow Jones Industrial Average. This development comes as the automotive industry accelerates efforts to secure next-generation battery supplies for electric vehicles.
Yahoo FinanceQuantumScape Surges 11% on Honda Solid-State Battery Deal, Solid Power Rises 4%
QuantumScape (QS) shares jumped 11% to $7.67 after announcing a multi-year joint research agreement with Honda Motor to develop solid-state batteries for automotive use. The deal followed Honda's rigorous due diligence, including benchmarking and stress testing of QuantumScape's QSE-5 platform, with Honda R&D COO Atsushi Ogawa citing 'compelling and unique advantages.' The news lifted peer Solid Power (SLDP) 4% on sector enthusiasm, despite no company-specific catalyst. However, cautionary signals emerged as QuantumScape's CEO and CTO reduced their share positions in May and June. Both companies remain pre-revenue and cash-burning, with QuantumScape stock down 24% year-to-date but up 81% over the past year, highlighting extreme volatility. The partnership expands QuantumScape's OEM roster beyond Volkswagen's PowerCo.
Yahoo FinanceQuantumScape Surges 11% on Honda Solid-State Battery Pact; Solid Power Rises 4% in Sympathy
QuantumScape (QS) shares surged 11% to $7.67 after announcing a multi-year joint research agreement with Honda Motor to develop solid-state battery technology for automotive use. Honda R&D COO Atsushi Ogawa stated that QuantumScape's technology demonstrated 'compelling and unique advantages' during rigorous due diligence, including benchmarking and stress testing. The deal expands QuantumScape's OEM roster beyond lead partner Volkswagen's PowerCo. Solid Power (SLDP) rose 4% on sector enthusiasm despite no company-specific catalyst. The bullish sentiment is tempered by insider selling: QuantumScape's CEO and CTO reduced their share positions in May and June. Both companies remain pre-revenue, cash-burning, and highly volatile, with QuantumScape down 24% year-to-date but up 81% over the past 12 months.
Yahoo FinanceQuantumScape and Honda Sign Solid-State Battery Research Deal; Shares Rise
QuantumScape Corp (NYSE: QS) shares surged approximately 15% on June 18, 2026, following the announcement of a joint research agreement with Honda Motor Co's subsidiary, Honda R&D Co Ltd. The multi-year collaboration focuses on advancing QuantumScape's solid-state battery technology and related manufacturing processes. This agreement comes after Honda completed a rigorous technology evaluation program, which included an in-depth assessment of QuantumScape's solid-state battery platform and benchmarking against competing technologies. Honda R&D's Chief Operating Officer, Atsushi Ogawa, confirmed that QuantumScape's technology demonstrated 'compelling and unique advantages' during testing, with potential applications beyond automotive use. QuantumScape CEO Siva Sivaram characterized Honda's evaluation as 'one of the most rigorous' of their technology to date. The deal underscores growing industry confidence in solid-state lithium-metal batteries as a safer, higher-density alternative to conventional lithium-ion batteries.
Yahoo FinanceQuantumScape and Honda Sign Solid-State Battery Research Agreement, Shares Surge
QuantumScape Corp (NYSE:QS) shares surged approximately 15% on June 18, 2026, after announcing a multi-year joint research agreement with Honda Motor subsidiary Honda R&D Co Ltd. The collaboration focuses on advancing solid-state battery technology and related manufacturing processes. The deal follows Honda's completion of a rigorous technology evaluation program, during which QuantumScape's solid-state battery platform demonstrated 'compelling and unique advantages' according to Honda R&D COO Atsushi Ogawa. QuantumScape CEO Siva Sivaram noted the evaluation was one of the most thorough assessments of the company's technology to date. The partnership aims to develop safer, higher-density energy storage solutions for automotive and other applications, positioning solid-state lithium-metal batteries as a potential alternative to conventional lithium-ion batteries.
Yahoo FinanceQuantumScape Stock Soars on Honda Partnership for Solid-State Battery Development
QuantumScape (QS) stock surged up to 16% on June 18, 2026, after announcing a partnership with Honda Motor's R&D arm to advance its solid-state battery platform for electric vehicles and other applications. The collaboration, praised by Honda's R&D COO, signals major automaker confidence in QuantumScape's technology, which could revolutionize EV batteries. The stock was up 12.9% by late morning. The article notes the massive market opportunity across Honda's product lines (cars, motorcycles, power tools, generators) but cautions that the stock remains speculative and high-risk. It also includes a promotional segment for Motley Fool's Stock Advisor service, which did not include QuantumScape in its latest top 10 picks.
Yahoo FinanceQuantumScape Stock Surges on Honda Partnership for Solid-State Battery Development
QuantumScape (QS) stock rose 12.9% on June 18, 2026, following the announcement that Honda Motor's R&D arm is partnering with the solid-state battery developer to advance its battery platform for electric vehicles and other applications. The partnership represents a significant vote of confidence from a major global automaker, highlighting the potential for QuantumScape's technology across Honda's product lines including cars, motorcycles, power tools, and generators. The article notes the massive market opportunity for solid-state batteries but cautions investors that the stock remains speculative. The analysis also includes promotional content from The Motley Fool's Stock Advisor service, which lists ten recommended stocks but excludes QuantumScape.
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