Shares of Quantumscape Corp. (QS) soared 13.40% in after-hours trading on Wednesday following the release of its third-quarter 2025 financial results. The solid-state battery developer reported a smaller-than-expected loss, beating analyst estimates and showcasing progress in its mission to revolutionize energy storage.

Quantumscape announced quarterly losses of $(0.18) per share, surpassing the analyst consensus estimate of $(0.21) by 15.09%. This represents a 21.74% improvement from the $(0.23) per share loss reported in the same period last year, indicating the company's efforts to streamline operations and advance its technology are bearing fruit.

The strong earnings report has reignited investor enthusiasm for Quantumscape's potential in the electric vehicle battery market. The company, which aims to develop next-generation solid-state lithium-metal batteries, has been closely watched by investors and industry experts alike. As the market digests the latest financial results and any forward-looking statements from management, traders will be keen to see if this after-hours rally can be sustained in regular trading sessions.