Key Takeaways QuantumScape shares have soared over 200% in 2025, hitting a 52-week high of $15.92 on Friday.Deal with Volkswagen extends QS' funding runway into 2029 and strengthens its finances.QS' COBRA process boosts productivity 25x, moving B1 samples closer to 2026 vehicle testing.Solid-state electric vehicle (EV) battery innovator QuantumScape Corp. (QS) has made impressive strides this year— from expanding its partnership with Volkswagen (VWAGY) to advancing its Cobra separator process and forging ot ...