Redwood Materials

Critical Materials & Energy Storage

Carson City, United States · Founded 2017 · $1.8B raised

Employees
1001–5000
Founded
2017
Business Model
B2B
Total Funding
$1.8B
Last Round
$425.0M Series EJan 2026
Rounds
3

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

Redwood Materials recycles lithium-ion batteries and produces battery-ready critical materials, including lithium, nickel, cobalt, copper, and cathode active material. The company recovers materials from used batteries and manufacturing scrap, then refines them for reuse in advanced batteries. It also deploys energy-storage systems for data centers and the electric grid, linking materials production with domestic energy infrastructure.

Summary

Redwood Materials is a Clean Energy company based in Carson City, United States, founded in 2017. It has raised $1.8B in total across 3 rounds, most recently a $425.0M Series E round in Jan 2026. Investors include Eclipse and Nvidia.

Tech & App Stack

10 technologies & apps tracked

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Funding History

Series EJan 2026
$425.0M

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Funding: Venture Round through Series E. Amounts, valuations, and investors where available.

Investors

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