The funding round was co-led by Tiger Global, Capricorn's Technology Impact Fund and Ridgeline. Additional investors in the round include crossover investors Fidelity Management & Research Company; Squarepoint Capital and Xantium; returning investors Maniv and Greycroft, Australian Gulf Capital, PanaceaVC, ArcTern Ventures, and Leitmotif; and strategic investors in mobility FedEx and THOR Industries through TechNexus, as well as BuildGroup in data centers; among others.

Harbinger is an American industrial technology platform company reinventing the critical systems the world depends on across transportation, power, defense, autonomy and components. The company develops advanced electrification technologies, including all-electric and hybrid medium-duty vehicle platforms, battery and drivetrain systems, energy storage and auxiliary power solutions, autonomous driving technology and defense applications.

Harbinger engineers systems from first principles, using deep vertical integration to deliver safer, more reliable, more capable and more efficient solutions at economic parity. Its technologies serve a range of applications, including medium-duty trucks, recreational vehicles (RVs), mobile healthcare units, power infrastructure and defense vehicles. Harbinger's mission is to solve the problems industry stopped questioning and raise the standard for what customers should expect.