H
Helion Energy
Energy · Everett, United States · Founded 2013
News
Fusion's funding boom: a record 2026 as capital piles into the frontier
Jul 30, 2026
News
Korean fusion startup TerraFusion raises $1.5M seed for continuous-run reactor tech
Jul 6, 2026
Market map
US Novel Energy Startups
Jun 25, 2026
News
Helion raises $465M Series G at a $15.5B valuation to build its first fusion power plant
Jun 5, 2026
Market map
Nuclear fusion startups
Ownership
Who owns Helion Energy
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 →
Global footprint
Where Helion Energy has talent and traffic
team presence
across markets
Talent graph
The shape of Helion Energy's talent
Dealroom maps Helion Energy's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.
Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.
Patent intelligence
$3M patent portfolio · 16 active families
Where Helion Energy concentrates vs peers
Each axis is a top-10 topic across Helion Energy and its closest peers. #1 = 100, #10 = 10, absent = 0.
Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.
Market sentiment
What the market is saying about Helion Energy
An AI-synthesized read of the highest-engagement posts about Helion Energy on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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
See Helion Energy on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.