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Helion Energy
Helion Energy, Inc. is an American fusion research company located in Everett, Washington. It is developing a magneto-inertial fusion technology to produce fusion power by combining deuterium with helium-3 via aneutronic fusion.
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Helion Energy at a glance
Helion Energy is an energy company headquartered in United States, founded in 2013. It has raised at least $935.6M across the 4 funding rounds on record. Its most recent funding round, Series G extension, raised $35M in September 2026. Xcout tracks 8 named people at Helion Energy, including Prag Jain (Chief Financial Officer). Xcout recorded 89 job postings from Helion Energy in the last 90 days, naming tools such as Confluence, Grafana, Jira.
Helion Energy leadership
- Prag JainChief Financial Officer
- Savanna ThompsonChief Business Operations Officer
- David KirtleyCo-founder & CEO
- Chris PihlCO-FOUNDER & CTO
- George VotroubekCo-Founder & Chief Scientist
- Anthony PancottiCo-founder
2 more named people on record for Helion Energy, with roles, board committees and tenure — see the full roster →
Helion Energy funding rounds
At least $935.6M raised across the 4 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series G extension | $35M | — | |
| Series G | $465M | 14 named | |
| Series G | $425M | 12 named | |
| Series B | $10.6M | 1 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Hiring at Helion Energy
Xcout recorded 89 job postings from Helion Energy in the last 90 days, from a hiring record Xcout has kept since May 2026.
Tools named in Helion Energy's job postings
The weekly hiring trend, the roles and locations behind it — see Helion Energy's hiring signals →
Recent Helion Energy news
Hiring vs the trend
Based on 50 job postings in the last 8 weeks (10 Aug – 4 Oct 2026), compared with 21 energy companies.
This describes a hiring pattern — how often Helion Energy’s job postings ask for AI skills, and how that changed against the previous 8 weeks, ranked among its peers. It says nothing about the company’s products or performance.
Signed-in members see the AI-skill share and its change with peer percentiles, role mix, posting momentum and advertised US pay against the market.
Investors
Tech stack
Helion Energy competitors
A few of Helion Energy's closest competitors — see the full list of competitors and alternatives →
Acceleron Fusion, Inc. is a clean energy company founded in 2023 and based in Cambridge, Massachusetts, focused on developing commercially viable energy solutions.
Xcimer Energy Corporation is a laser fusion energy company developing advanced technology for clean energy production and defense applications. Headquartered in Denver, Colorado, the company works on scaling laser-driven inertial confinement fusion.
Deuterium Energetics develops and licenses nano confinement fusion technology to provide a renewable and sustainable power source. The company designs and scales customized energy production systems to serve various use cases, including electric vehicle charging stations, neighborhoods, factories, cities, and spacecraft.
Novatron Fusion Group AB is a Swedish fusion energy company headquartered in Stockholm, Sweden. Founded in 2019, the company specializes in developing a novel technological solution aimed at advancing the industrialization of nuclear fusion energy.
Commonwealth Fusion Systems LLC is developing a process that fuses hydrogen nuclei using powerful, high-temperature superconducting magnets.
Fuse Energy Technologies Corporation is a U.S.-based fusion defense and renewable energy company founded in 2019 and headquartered in San Leandro, California. The company pursues a pulsed power approach to fusion energy by developing arrays of impedance-matched Marx generators to drive MagLIF targets. Additionally, it provides radiation testing services for national security purposes.
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More on Helion Energy in Xcout Intel
- 8 named people with titles, LinkedIn and board committees
- 4 funding rounds with the investors in each, and who they co-invest with
- Weekly hiring history and the mix of roles behind it
- 1 corporate event with sources — deals, leadership changes, layoffs
- The full competitor set, tracking, exports and API access