Interview

Vulcan Elements raises $65M Series A to build America's rare earth magnet supply chain and end dependence on China

Aug 11, 2025 with John Maslin

Key Points

  • Vulcan Elements raises $65M Series A to scale domestic rare earth magnet manufacturing, targeting a supply chain where China controls over 90% of global production.
  • The company delivered a fully operational pilot facility on time by Q1 2025 and is already generating revenue, with demand driven by structural need rather than trade tensions.
  • Vulcan plans to reach several hundred tons of output within years and several thousand by decade's end, with potential revenue ranging from hundreds of millions to several billion dollars.
Vulcan Elements raises $65M Series A to build America's rare earth magnet supply chain and end dependence on China

Summary

Vulcan Elements has closed a $65 million Series A to scale domestic rare earth magnet manufacturing, positioning itself as a direct answer to a supply chain vulnerability that receives far less policy attention than semiconductors or batteries. China controls over 90% of global rare earth magnet production and mines 55% of the underlying raw materials, a concentration that CEO and co-founder John Madison frames as a de facto veto over what the U.S. can build across defense, robotics, and data center infrastructure.

The company sits in the refining and manufacturing layer of the supply chain, not mining. The four elements that matter economically are neodymium, praseodymium, terbium, and dysprosium, which together represent over 90% of the rare earth value chain and are the core inputs for high-performance magnets used in MRI machines, missiles, drones, and ships. Vulcan co-developed some of the first domestically produced rare earth magnet manufacturing equipment built in the 21st century, sourcing 100% of its equipment from the U.S. or allied nations.

The company took its first outside capital in December 2023 and committed to investors that a fully operational, China-decoupled pilot facility would be online by Q1 2025. It delivered on time and on budget, and is already generating revenue from that facility. The pilot facility was sold out a full year before U.S.-China trade tensions escalated, suggesting demand is structural rather than tariff-driven.

The competitive risk from a trade normalization scenario is acknowledged but addressed through process innovation rather than labor cost parity. Madison argues that replicating Chinese manufacturing economics in the U.S. does not work on unit economics alone, so Vulcan is importing engineering talent from aerospace, battery, and shipbuilding sectors to accelerate process improvements. More than half of the technical team are described as scale-up engineers focused on cost curve reduction.

The $65 million will fund a move to large-scale commercial production, targeting several hundred tons within a few years and several thousand tons by the end of the decade. At those volumes, Madison pegs potential topline revenue at a minimum of several hundred million dollars, with upside to several billion. Target verticals are defense, aerospace, data centers, and robotics. Consumer applications are explicitly out of scope.