Bill Gates-founded next-generation nuclear reactor company building sodium-cooled fast reactors
TerraPower is building the first commercial Natrium reactor in Kemmerer, Wyoming, with a target operation date of 2030. The Natrium design pairs a sodium-cooled fast reactor with a molten salt thermal storage system, enabling load-following to complement intermittent renewables. Backed by a DOE Advanced Reactor Demonstration Program cost-share.
Energy📍 Bellevue, WAFounded 2008
Current Valuation
$2.5B
as of 2022-Q3
UNICORN
QL Price
$2.5B
0% vs last round
QuantLogix's current estimate for TerraPower, published 2026-10-07 — in line with the last disclosed round of $2.5B (2022-Q3).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round
$2.5B
2022-Q3
weight 0.06
Secondary market print
$2.5B
2026-06-27
weight 0.54
How this price has held up
No round has priced for TerraPower 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, TerraPower, 2026-10-07 (1d0529511f85f2e2).
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 TerraPower going public?
No. TerraPower has no imminent IPO plans on record. It is still private.
What is TerraPower's valuation in 2026?
TerraPower is valued at $2.5B as of 2022-Q3, set by its Series E ($830M, Aug 2022). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has TerraPower filed an S-1?
No public S-1 is on file for TerraPower.
Who are TerraPower's investors?
TerraPower's investors include Bill Gates, ARCH Venture Partners, SK Inc, Korea Hydro & Nuclear Power, GS Energy.
How much has TerraPower raised?
TerraPower has raised $1.3B in total, most recently a Series E of $830M in Aug 2022.
Is TerraPower publicly traded — can you buy TerraPower stock?
No. TerraPower 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 TerraPower 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
Chris Levesque
Founded
2008
HQ
Bellevue, WA
Employees
~900
Total Raised
$1.3B
Last Round
Series E — $830M (Aug 2022) · Lead: Bill Gates
IPO Status
no imminent plans
Fundraising Status
Series E · $830M · 4y 2mo ago
no imminent plansTotal raised $1.3B
Secondary Market
Implied price / share
$55.37
Open interest
8
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
$830M
Aug 2022
Bill Gates
—
Talent Signal
Hiring trend
▼ Hiring downtrend
-91% vs 2026-08
Open roles
7
via careers page
Product-build share
43%
engineering, research, product, design
Trajectory
tightening
balanced build + GTM — 43% builders vs 57% go-to-market/G&A — scaling both sides.
Open roles trending down; no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Medical benefits icon
Counted from TerraPower'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
Bill GatesNathan Myhrvold
Investors
Bill Gates · ARCH Venture Partners · SK Inc · Korea Hydro & Nuclear Power · GS Energy
Products
Natrium reactor (345 MWe sodium-cooled fast reactor with molten salt storage)
Competitors
X-energy · NuScale · Oklo · Kairos Power
NuclearEnergyGates BackedSMR
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2022-Q3. Refreshed quarterly.