Helion
helion.ch
Energy Storage
Manufacturing
Energy & Utilities
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Funding and backers
Total raised
$890M
2 rounds on record
Latest round
$465M
Series G · Jun 2026 · 4 mo ago
The money's age
Fresh money
4 months since the last round · not hiring
Momentum
35/100
in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series G | Jun 2026 | $465M | — | YahooFinance |
| Series F | Jan 2025 | $425M | — | businesswire.com |
Registers and programsofficial lists and records that name the company
| Legal entity | Helion Energy AG | its site |
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Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Same group
VoltonStrong
volton.swiss
| Evidence | Value | Source | Last seen |
|---|---|---|---|
| Same legal entity runs both sites | Pro plan | legal page | Sep 30, 2026 |
| Same legal entity named on both sites | Pro plan | legal page | Sep 30, 2026 |
Confidence 0.95
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
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News
Abhinav (@Abhinavsns) on X
Mom, I want fusion!Mom: We have fusion at home on Apple GPUs We built a 3D GPU simulation of the core pulse in @Helion_Energy's Trenta: two field-reversed plasma vortices launched at each other, merging, compressing, and generating energy. (1/n)
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Helion clears key regulatory milestone on the path to building and operating the world's first fusion power plant
Helion has become the first company in the world to secure the regulatory licenses needed for a fusion power plant, following receipt of two licenses from the Washington Department of Health (DOH).
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Helion Raises $465 Million Series G Funding Round To Accelerate Commercial Fusion Power Deployment
Helion, a Washington-based fusion energy company, announced a $465 million Series G funding round to accelerate the commercial deployment of fusion energy, expand manufacturing capacity, and strengthen its ability to deliver clean electricity to customers
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Helion Raises $465 Million Series G Funding Round to Meet Surging Global Demand for Power
EVERETT, Wash., June 04, 2026--Helion, a Washington-based fusion energy company, announced a $465 million Series G investment round to accelerate commercial deployment of fusion, scale manufacturing capacity, and expand the company's ability to deliver cl
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A Sam Altman-backed start-up says it will deliver fusion electricity by 2029. One of its own co-founders says the physics may not work
This company says its pulsed plasma machine will deliver electricity to the grid by 2029. Some physicists warn that its promises are outrunning what the technology has proved
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PyTorch Foundation expands its AI stack with Safetensors, ExecuTorch, and Helion
PyTorch Foundation expands its open source AI stack with Safetensors, ExecuTorch, and Helion to improve model security, inference, and performance portability.
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