Redwood Materials
RM
Redwood Materials recycles lithium-ion batteries and production scrap to recover critical minerals. It also manufactures battery components such as copper foil for anodes and cathode active materials. The company sells these materials to battery manufacturers and EV supply chains, aiming to keep more of the battery value chain in the U.S.
Founded by JB Straubel (Founder, CEO), Andrew Stevenson (Co-founder, first CFO)
Blended valuation$5B$5B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$9.3B
blended valuationfunding round
May 31, 2021$0Oct 5, 2026
All rounds
8 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series E | Feb 19, 2026 | $425M | $6B |
| Series E | Oct 23, 2025 | $350M | — |
| Series D | Aug 29, 2023 | $1B | $5B |
| Round | Sep 22, 2021 | $50M | — |
| Series C | Jul 28, 2021 | $700M | $3.7B |
Join Legion to view all 8 rounds.Sign in to Legion
Investors
30 investors across all rounds.
- GSGoldman Sachs
- TRT. Rowe Price
- ECEclipse
- CICapricorn Investment Group
- BEBreakthrough Energy Ventures
- AMAmazon
- ECEmerson Collective
- FTFranklin Templeton
- GOGoogle
- NVNVIDIA
Only Legion members can view the full investor roster. Sign in to Legion
Secondary market activity
Recent buy and sell interest for Redwood Materials shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $4.7B | $37.00 | Oct 6, 2026 | |
| $4.9B | $47.74 | Oct 6, 2026 | |
| $4.7B | $37.00 | Oct 5, 2026 |
Invest in the private markets on Legion
Registered users see full trading activity, every investor, rankings, and live deals.
Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.