Realta Fusion

Active#27 worldwide · Fusion & advanced nuclear

Fusion & advanced nuclear

Energy & climate›Fusion & advanced nuclear

HQUnited States

Last roundSeries A · May 2025

Uback rankings

Ranking	Tier	Rank	Edition	Next update
Fusion & advanced nuclear · worldwide	Top 45	#27	Edition 0 (beta) · Oct 2026	2 Mar 2027

Rank historyOct 2026 · #27 Fusion & advanced nuclearFirst edition: no movements yet.

Estimated valuation

AI · Fusion & advanced nuclear ranking (worldwide)

≈ USD 190MUSD 150–230M · Hundreds of M$ High confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Series A · USD 36M · May 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
May 2025	Series A	USD 36M	Equity	Future Ventures, Khosla, Mayfield, WARF	finsmes.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 →

Jimmy Energy#26FranceHundreds of M$Renaissance Fusion#28FranceHundreds of M$Blykalla#25SwedenHundreds of M$First Light Fusion#29United KingdomHundreds of M$

Investors in Realta Fusion: Future Ventures · Khosla Ventures · Mayfield · WARF

Sources. finsmes.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.