Commonwealth Fusion Systems

Active#2 worldwide · Fusion & advanced nuclear

Fusion & advanced nuclear

Energy & climate›Fusion & advanced nuclear

HQUnited States

Last roundEquity round · Jul 2026

Uback rankings

Ranking	Tier	Rank	Edition	Next update
Fusion & advanced nuclear · worldwide	Top 45	#2	Edition 0 (beta) · Oct 2026	2 Mar 2027

Rank historyOct 2026 · #2 Fusion & advanced nuclearFirst edition: no movements yet.

Estimated valuation

AI · Fusion & advanced nuclear ranking (worldwide)

≈ USD 15bnUSD 10–23bn · Decacorn Medium confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Equity round · USD 1bn · Jul 2026

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

Date	Round	Amount	Type	Investors	Source
Jul 2026	Equity round	USD 1bn	Equity	pension, sovereign wealth funds, industrial partners	techcrunch.com

Rounds as cited by Uback’s rankings and their sources. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

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What the AI reads

Press & investor announcements2 sources

Read by the AI at the next edition.

Comparable companies in fusion & advanced nuclear

Full fusion & advanced nuclear ranking →

Helion Energy#1United StatesDecacorn Valar Atomics#3United StatesUnicorn Pacific Fusion#4United StatesUnicorn TerraPower#5United StatesUnicorn

Investors in Commonwealth Fusion Systems: pension · sovereign wealth funds · industrial partners

Sources. techcrunch.com · powermag.com

Last updated: Oct 2026Report an error

Uback is a content publisher. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.