Marathon Fusion

ActiveOn the Fusion & advanced nuclear Radar · not ranked

Fusion & advanced nuclear

Energy & climate›Fusion & advanced nuclear

HQUnited States

Last roundSeed · Jul 2024

Why Marathon Fusion is not ranked yet

The Radar lists every known eligible company, sorted by date of last round, with no AI judgement. Marathon Fusion enters the ranking once its public data is sufficient for the AI to estimate it. Next Fusion & advanced nuclear worldwide edition: 2 Mar 2027.

Funding history

Date	Round	Amount	Type	Investors	Source
Jul 2024	Seed	USD 5.9M	Equity	1517 Fund, Anglo American	—

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.

Uback rankings

How the AI ranks →

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

Independent analyses

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What the AI reads

Press & investor announcements0 sources

Read by the AI at the next edition.

Comparable companies in fusion & advanced nuclear

Full fusion & advanced nuclear ranking →

Helion Energy#1United StatesDecacorn Commonwealth Fusion Systems#2United StatesDecacorn Valar Atomics#3United StatesUnicorn Pacific Fusion#4United StatesUnicorn

Investors in Marathon Fusion: 1517 Fund · Anglo American

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.