Building America's energy storage & critical materials
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.
Energy📍 Carson City, NevadaFounded 2017
Current Valuation
$4.5B
as of 2025-Q4
UNICORN
QL Price
$5.2B
-14% vs last round
QuantLogix's current estimate for Redwood Materials, published 2026-10-07 — below the last disclosed round of $6.0B (2026-02).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round
$6.0B
2026-02
weight 0.62
Secondary market print
$4.5B
2026-06-27
weight 0.78
How this price has held up
No round has priced for Redwood Materials since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-10-07 and will be graded against the next priced round. See the full accuracy record →
Which publicly-traded funds already hold it, what $10,000 buys, and whether any route is open to you.
Cite this price as QuantLogix QL Price, Redwood Materials, 2026-10-07 (510431c3cd80eb37).
The id pins this exact claim, so a citation stays checkable after the price moves.
Model estimate for research — not a quote, target price, or investment advice.
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.
How much has Redwood Materials raised?
Redwood Materials has raised $4.4B in total, most recently a Series E of $350M in Oct 2025.
Is Redwood Materials publicly traded — can you buy Redwood Materials stock?
No. Redwood Materials is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Redwood Materials on its Pre-IPO Access Desk.
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.
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 · 1y 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 steady
-8% vs 2026-08
Open roles
140
via greenhouse
Product-build share
51%
engineering, research, product, design
Trajectory
steady
product-led hiring — 51% of open roles build product; the rest are go-to-market and G&A.
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Abuse Test Engineer, Energy StorageAnalytical Lab TechnicianAnalytical Lab TechnicianBattery Software Integration Engineer, Energy StorageBESS Development Engineer, Senior or StaffBESS Electrical Development Engineer, Senior or Staff
Counted from Redwood Materials's live job board as of 2026-09-15; 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.