
Principal Mineral is a leader in ensuring resiliency for the industrial 'missing midstream' of the critical materials supply chain, the key layer between upstream metals and the finished technologies necessary for advanced electronics systems, communications equipment, AI infrastructure, and other cutting-edge applications. Through our portfolio of technologies and operations, we provide scaled production of critical mineral and material inputs for the electronics, defense, and energy industries, while building strategic partnerships that accelerate the development of essential capabilities and establish durable and globally competitive production. Principal Mineral serves as a trusted partner for leading advanced technology manufacturers and delivers adaptable, agile solutions to help build secure supply chains that support high-quality jobs, drive innovation, and strengthen resiliency.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 06/17/26 | $280,000,000 | Strategic |
Ensemble VC J2 Ventures Overmatch Ventures ![]() The New Industrial Corporation ![]() | undisclosed |