EX-Fusion

Active#42 worldwide · Fusion & advanced nuclear

Fusion & advanced nuclear

Energy & climate›Fusion & advanced nuclear

HQJapan

Last roundSeries A · Jun 2025

Uback rankings

Ranking	Tier	Rank	Edition	Next update
Fusion & advanced nuclear · worldwide	Top 45	#42	Edition 0 (beta) · Oct 2026	2 Mar 2027

Rank historyOct 2026 · #42 Fusion & advanced nuclearFirst edition: no movements yet.

Estimated valuation

AI · Fusion & advanced nuclear ranking (worldwide)

≈ USD 80MUSD 53–120M · Tens of M$ Medium confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Series A · JPY 2.3bn (about USD 15.5M) · Jun 2025

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
Jun 2025	Series A	JPY 2.3bn (about USD 15.5M)	Equity	Osaka University Venture Capital, MPower, MUFG Capital, Fujikura	fintechobserver.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 announcements1 source

Read by the AI at the next edition.

Comparable companies in fusion & advanced nuclear

Full fusion & advanced nuclear ranking →

Helical Fusion#41JapanTens of M$Clean Core Thorium Energy#43United StatesTens of M$Otrera#40FranceHundreds of M$NuCube Energy#44United StatesTens of M$

Investors in EX-Fusion: Osaka University Venture Capital · MPower · MUFG Capital · Fujikura

Sources. fintechobserver.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.