Hyliion Holdings Corporation - Class A

Hyliion Holdings Corp. develops modular power plant technology centered on its KARNO Power Module, a fuel-agnostic power generation platform enabled by additive manufacturing. The KARNO Power Module generates heat through flameless oxidation, achieving near-zero emissions without aftertreatment systems, and can operate on natural gas, hydrogen, propane, diesel, and other fuel sources. The company currently derives revenue from research and development services, primarily under contracts with the U.S. Navy's Office of Naval Research. Hyliion is initially targeting stationary power applications including data centers, military and government installations, and commercial and industrial facilities, with future applications planned for mobile and marine uses. The company has approximately 30 additive printers and is developing capital-efficient manufacturing scale-up capabilities. Hyliion has executed non-binding letters of intent representing approximately 750 KARNO Cores, with more than half from data center providers, and is engaged with multiple hyperscalers and independent data center developers. The company trades on NYSE American under the ticker HYLN. Updated Aug 11, 2026