The round was co-led by FedEx, the world's largest express transportation company; Capricorn's Technology Impact Fund, a multibillion-dollar investment firm backing leading companies in electrification; and the world's largest recreational vehicle (RV) manufacturer THOR Industries, known for its operating companies which include Airstream, Jayco, and more. The round also featured major participation from Ridgeline, a longtime Harbinger investor backed by FedEx. Additional previous Harbinger investors that participated in the round include Tiger Global; Leitmotif, a U.S. venture capital firm backed by Volkswagen; and venture capital firms Maniv Mobility, Schematic Ventures, Overture Climate, Ironspring Ventures, ArcTern Ventures, Litquidity Ventures, and The Coca-Cola System Sustainability Fund, managed by Greycroft. With this round, Harbinger has raised $358 million to date.

Harbinger is an American-made medium-duty commercial vehicle company that offers all-electric and hybrid powertrains. The company is on a mission to transform an industry starving for innovation. Harbinger's best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to support the growing demand for medium-duty EVs. Leveraging a foundation of proprietary, in-house developed vehicle technologies designed specifically for commercial and specialty vehicles, Harbinger has introduced a first-of-its-kind EV platform to market, priced at acquisition parity to traditional diesel vehicle. Harbinger: Familiar Form. Revolutionary Foundation.