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Boston Metal

Woburn, MA · Founded 2012 · Privately Held (backing)

Operator of a global metal technology company intended to commercialize molten oxide electrolysis for high-volume steel production. Boston Metal is based in Woburn, MA and was founded in 2012. Its last reported valuation was $931 million in Jan 2024. It has raised $410 million.

Last reported valuation
$931.0M
Oct 2026
Priced at
—
Total raised
$409.9M
Last round
—

Boston Metal key facts

as of Oct 2026
  • Operator of a global metal technology company intended to commercialize molten oxide electrolysis for high-volume steel production.
  • Boston Metal is valued at approximately $931.0M as of Oct 2026 (last reported valuation).
  • It has raised $409.9M; the latest was Later Stage VC ($51.0M) in Mar 2026.
  • Notable investors include US National Science Foundation, U.S. Department of Energy, F-Prime Capital, Breakthrough Energy, International Finance (Washington D.C.) — 29 tracked in total.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$931.0M

Boston Metal's last reported valuation, Jan 2024. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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Boston Metal funding rounds

No rounds on record

No funding rounds for Boston Metal are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Boston Metal valuation

Boston Metal's last reported valuation was $931 million in Jan 2024. No priced round, secondary trade or fund mark has surfaced since.

Boston Metal investors

29 investors are on record for Boston Metal, including US National Science Foundation, U.S. Department of Energy, F-Prime Capital and Breakthrough Energy. By type, the record holds 6 venture capital firms and 2 growth equity firms.

About Boston Metal

Operator of a global metal technology company intended to commercialize molten oxide electrolysis for high-volume steel production. The company's technology utilizes an electrolytic cell to process raw iron ore and produce ferroalloys, a margin material used to make certain grades of steel, enabling the metal industry to have greener aid for the production of a variety of metals and alloys from feedstocks, decarbonize steelmaking, and advance sustainable metal production.

Sector
Materials and Resources
HQ
Woburn, MA, United States
Founded
2012
Employees
355
Ownership
Privately Held (backing)

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