Boston Metal

Private

Woburn, MA Molten Oxide Electrolysis (MOE) platform for green steel and critical metals (niobium, tantalum, vanadium, nickel). MIT spinout; 1,600°C electrolysis decarbonizes steelmaking and unlocks low-grade ore. Pilot facility in Brazil restarting in September 2026. Lifetime raised crossed $500M+ with the May 2026 Tata Steel-led expansion.

Company

Founded
2012
Headquarters
Woburn, United States

Financials

Total Funding
$442M

Funding History

5 rounds
Series C May 20, 2026
$75M
Series C Jan 15, 2024
$20M
Series B Jan 15, 2021
$60M
Series A Sep 15, 2018
$25M

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.