Hyliion Holdings Corp.

Hyliion Holdings Corp. completed its business combination with Tortoise Acquisition Corp. — the blank-check company that traded under the ticker SHLL — in October 2020, bringing the commercial-vehicle electrification company to public markets under the current ticker HYLN on the New York Stock Exchange. The SPAC, sponsored by Tortoise Acquisition LLC, an affiliate of Tortoise Capital Advisors, raised capital in a June 2020 IPO targeting the clean-energy transportation sector. Hyliion develops electrified and alternative-fuel powertrain solutions for Class 8 semi-trucks, including its Karno heat generator technology, and remains an active reporting company, as evidenced by its 10-Q filing dated May 12, 2026. Visit SpacDesk and sign up for full data, filings history, and real-time analytics on Hyliion and every other SPAC in our coverage universe.