SiEngine Technology, the automotive semiconductor company incubated by ECARX Holdings (Nasdaq: ECX), secured US$200 million in new equity capital from institutional investors over H1 2026, a milestone funding round for one of China's top vehicle-grade chip designers.
SiEngine was co-founded in 2018 by ECARX and Arm China and, after eight years of collaboration, has grown into an independent automotive semiconductor enterprise with ECARX remaining its largest single shareholder.
The new capital will fund SiEngine's next-phase R&D and production capacity expansion, reinforcing ECARX's vertical silicon-to-software integration strategy for its full-stack software-defined-vehicle (SDV) ecosystem.