Building America's energy storage & critical materials
Energy📍 Carson City, NevadaFounded 2017
Current Valuation
$4.5B
as of 2025-Q4
UNICORN
IPO Outlookprivate
Is Redwood Materials going public?
No. Redwood Materials is private and has not filed to go public. There is no S-1 on file.
What is Redwood Materials' valuation in 2026?
Redwood Materials is valued at $4.5B as of 2025-Q4, set by its Series E ($350M, Oct 2025). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Redwood Materials filed an S-1?
No public S-1 is on file for Redwood Materials.
Who are Redwood Materials' investors?
Redwood Materials' investors include Google, Eclipse, NVentures (NVIDIA), Capricorn Investment Group, Goldman Sachs Asset Management, T. Rowe Price and 15 more.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Redwood Materials is a battery recycling and critical materials production company founded by former Tesla CTO JB Straubel. The company recycles end-of-life batteries and production scrap to produce lithium, nickel, cobalt, copper, and cathode active materials for new batteries. In 2025, Redwood launched Redwood Energy, deploying large-scale energy storage systems for AI data centers and the electrical grid using recycled batteries. The company operates facilities in Nevada and South Carolina.
Company Profile
CEO
JB Straubel
Founded
2017
HQ
Carson City, Nevada
Employees
1001-5000
Total Raised
$4.4B
Est. Revenue
$200M (2025-Q4)
Growth
Fast-growing battery recycling and critical materials company expanding into grid-scale energy storage; processing over 20 GWh of batteries annually with 95-98% recovery rate
Last Round
Series E — $350M (Oct 2025)
IPO Status
Private
Fundraising Status
Series E · $350M · 10 mo ago
PrivateTotal raised $4.4B
Secondary Market
Implied price / share
$35.71
Last round price / share
$47.74
vs last round
-25.2%
Open interest
30
Last round price vs secondary price
Secondary price return by period
Implied per-share price from private secondary transactions, as of Jun 2026. This is a point estimate, not a quote — the feed carries no bid, ask or spread, and a secondary print is evidence of what someone paid on that date rather than a live market. Compare across every tracked name →
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series E
$350M
Oct 2025
—
—
Talent Signal
Hiring trend
▲ Hiring uptrend
46% of roles posted in last 30d
Open roles
153
via greenhouse
Product-build share
48%
engineering, research, product, design
Trajectory
expanding
product-led hiring — 48% of open roles build product; the rest are go-to-market and G&A.
No tracked executive churn; open roles trending up.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Abuse Test Engineer, Energy StorageAssociate Controls EngineerBattery Software Integration Engineer, Energy StorageBusiness Applications Engineer, Oracle Transport ManagementBusiness Applications Engineer, WorkdayCathode Design Engineer
Counted from Redwood Materials's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Founders & Key People
JB Straubel
Investors
Google · Eclipse · NVentures (NVIDIA) · Capricorn Investment Group · Goldman Sachs Asset Management · T. Rowe Price · OMERS · Microsoft Climate Innovation Fund · Deepwater Asset Management · Caterpillar Venture Capital · Ford Motor Company · Baillie Gifford · Fidelity Investments · Franklin Templeton Investments · CPP Investments · Valor Equity Partners · Breakthrough Energy Ventures · Amazon Climate Pledge Fund · Emerson Collective · Bill Gates · Jeff Bezos
Products
Anode copper foil
Cathode active material (CAM)
Battery recycling
Energy storage (Redwood Energy)
Competitors
Li-Cycle · Aqua Metals · Ascend Elements · Cirba Solutions
Battery recyclingCathode active materialCritical mineralsEnergy storageCircular economyEV materialsSustainabilityClean energy
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q4. Refreshed quarterly.