Helion Energy was last valued at $15.5B (post-money). It comes from the $465M Series G of Jun 2026. The company is private, so there is no listed share price.
3 valuations. The latest, $15.5B post-money, was set by the Series G in Jun 2026.
A private valuation is the price agreed in one transaction. The Helion Energy valuation of $15.5B is a post-money figure from the Series G dated 4 Jun 2026 — the whole company measured after the $465M raised in that round was already inside it. Subtract the round and the pre-money view of the same deal is $15B .
The valuation holds until the next priced round or secondary sale. A private company founded in 2013 with roughly 500 people has no daily price and no order book between rounds.
The last valuation is $15.5B (post-money, Jun 2026).
Lead investors for each round are in the funding timeline.
The closest fusion energy peers are on the competitors page.
The routes section explains what is realistically available for a company at this stage.
No. Helion Energy is a private company; its shares do not trade on a public exchange.
Perpetual markets for stocks, gold, indices and pre-IPO names — settled on-chain, no wallet-to-exchange transfers.
