Phoenix Tailings
The Future of Rare Earth Refining in America
Boston, United States · Founded 2020 · $131.6M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 51–200
- Founded
- 2020
- Business Model
- B2B
- Website
- phoenixtailings.com
- Total Funding
- $131.6M
- Last Round
- $40.2M Extension RoundFeb 2026
- Rounds
- 6
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Phoenix Tailings is pioneering clean mining and metals production, building the world's first fully clean mining and refining company. They produce rare earth metals critical for defense, clean energy, and next-generation technology, with commercial rare earth shipments since 2023 and a $200M auto industry sales contract.
Summary
Phoenix Tailings is a Clean Tech company based in Boston, United States, founded in 2020. It has raised $131.6M in total across 6 rounds, most recently a $40.2M Extension Round in Feb 2026. Investors include U.S. Department of Defense, Envisioning Partners and Yamaha Motor Ventures.
Tech & App Stack
8 technologies & apps tracked
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Funding History
Jun 2026
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Funding: Seed through Extension Round. Amounts, valuations, and investors where available.
Investors
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