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Helion Energy
Helion Energy, Inc. is developing a pulsed non-ignition fusion technology to produce fusion power using deuterium and helium-3
At a glance
- Founded
- 2013
- Headquarters
- Everett, United States
- Sector
- Energy
- Power Law
- Decacorn$10B+ valuation tierThoroughbred$100M+ revenue
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed1 investor entered at this stage
Series A1 investor entered at this stage
- MIMithril
Series B and later16 investors entered at this stage
Thrive Capital
SoftBank Vision Fund- ACAlta Park Capital
- LPLP
Lightspeed Venture Partners- DMDustin Moskovitz
Lux Capital- CGCapricorn Investment Group
Anti Fund- GVGood Ventures
SoftBank
Sam Altman
Peak XV Partners- NUNucor
BoxGroup- BFBill Ford
Ownership
Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.
Some investors are hidden on this public profile. See the full cap table on Dealroom →
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Patents
16 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Market sentiment
An AI-synthesised read of the highest-engagement posts about Helion Energy on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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