# Helion Energy: valuation, funding, and the secondary tape

## The short version

- New-money stake: 3.0%.

| instrument | value | as of | source |
|---|---|---|---|
| Claimed valuation | n/a |  | [source](https://helionenergy.com) |
| Napkin: new-money stake | 3.0% ($465.00M of $15.50B) |  | [source](https://www.upmarket.co/private-markets/pre-ipo/helion-energy) |
105 Clarity prints since 2026-06-24

## Recent milestones

- 2026-06-01 - [Helion closed a $465M Series G at $15.5B post (Jun 2026; ~$3.2B total committed capital per FusionX), and is working under what sources desc](https://www.upmarket.co/private-markets/pre-ipo/helion-energy)

[marks](https://data.somen.ai/marks) | [napkin](https://data.somen.ai/napkin) | [scorecard](https://data.somen.ai/scorecard) | [all companies](https://data.somen.ai/companies)

*Derived from the SOMEN graph at render time. The arithmetic cannot lobby you.*