Helion Energy
About Helion Energy
Helion Energy is a fusion energy company building pulsed fusion generators designed to produce electricity directly, backed by Sam Altman with Microsoft as its first announced customer for fusion power.
Funding Rounds
| Round | |||
|---|---|---|---|
| Apr 23, 2026 | Series G | $732.84M | $15.5B |
| Jan 27, 2025 | Series F | $425M | $5.25B |
| Sep 14, 2023 | Series E-1 | $65.79M | - |
| Nov 4, 2021 | Series E | $490M | $3B |
| Sep 9, 2020 | Series D | $39.82M | $1.25B |
| Feb 21, 2019 | Series C | $10M | - |
| Jun 19, 2015 | Series B | $21.23M | - |
| Jul 28, 2014 | Series A | $1.5M | - |
Perpetual Markets
No perpetual markets available.
Token Issuers
No token issuer markets available.
Valuation and funding data updated Oct 9, 2026, 9:56 AM UTC.
Market data updated Oct 9, 2026, 9:56 AM UTC.