Helion Energy
Fusion power plant for grid electricity generation
- Sector
- Energy
- Headquarters
- US
- Founded
- 2013
- Latest Form D
- $10.6M, Jul 2015
- Total capital
- $12.1M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $12.1M
- 2 Form D · last Jul 2015
- 136 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 4
- 28 pending · first 2022
- Rank in peer group#26 of 166
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 2nd filing$10.6M
- Private capital raisedForm D · SEC · 1st filing$1.5M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 166 peers
Line = medianEnergy · System
- Granted patents#26 · top 16%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
Researcher links verified by same-company patents and grants- David KirtleyResearcherExecutive Officer, DirectorLinked by 1 patent
- Ajay RoyanDirectorNamed in SEC Form D filings
- Christopher PihlExecutive Officer, DirectorNamed in SEC Form D filings
- John SloughExecutive Officer, DirectorNamed in SEC Form D filings
- Sam AltmanDirectorNamed in SEC Form D filings
What it has protected
USPTO · 4 granted of 32- GrantedHigh-Speed Switching Apparatus for Electromagnetic CoilsUSPTOUS 12,738,725
- GrantedHybrid Gettering Diffusion PumpUSPTOUS 12,729,670
- PendingAdvanced Fuel Cycle And Fusion Reactors Utilizing The SameUSPTOApplication 19022745
Show all 32 patent records
- High-Speed Switching Apparatus for Electromagnetic CoilsSep 15, 2026 · US 12,738,725Granted
- Hybrid Gettering Diffusion PumpSep 8, 2026 · US 12,729,670Granted
- Advanced Fuel Cycle And Fusion Reactors Utilizing The SameOct 23, 2025 · Application 19022745Pending
- Apparatus and Methods for Harvesting Energy from an Axially Expanding Plasma Contained by a Magnetic FieldSep 18, 2025 · Application 19222236Pending
- Apparatus and Methods for Generating a Pulsating, High-Strength Magnetic FieldSep 16, 2025 · US 12,418,973Granted
- Coatings On Inner Surfaces Of Particle Containment ChambersJun 19, 2025 · Application 18838936Pending
- High-Energy Particulate ResistorsFeb 6, 2025 · Application 18920339Pending
- Ceramic Fibers For Shielding In Vacuum Chamber Systems And Methods For Using SameSep 12, 2024 · Application 18654572Pending
- Inertially-Damped Segmented Coils for Generating High Magnetic FieldsAug 22, 2024 · Application 18570399Pending
- Energy Recovery in Electrical SystemsAug 15, 2024 · Application 18566955Pending
- Multi-Dimensional, Flux-Excluding, Low-Inductance Electrical InterconnectJul 11, 2024 · Application 18561831Pending
- Monolithic High Field Magnets for Plasma Target CompressionMay 16, 2024 · Application 18526574Pending
- Hybrid Gettering Diffusion PumpApr 25, 2024 · Application 18535606Pending
- High-Speed Switching Apparatus for Electromagnetic CoilsApr 4, 2024 · Application 18535634Pending
- Advanced Fuel Cycle And Fusion Reactors Utilizing The SameFeb 9, 2023 · Application 17823463Pending
- Advanced Fuel Cycle And Fusion Reactors Utilizing The SameOct 11, 2022 · US 11,469,003Granted
- Coaxial Cable Connector with Spring-Loaded Outer ContactApplication 19480441Pending
- Coaxial Cable Connector With Spring-loaded Outer ContactApplication PCTUS2024027452Pending
- Apparatus And Methods For Harvesting Energy From An Axially Expanding Plasma Contained By A Magnetic FieldApplication PCTUS2023082815Pending
- Coaxial Cable Connector with Spring-Loaded Outer ContactApplication 63499885Pending
- High-energy Particulate ResistorsApplication PCTUS2023065928Pending
- Coatings On Inner Surfaces Of Particle Containment ChambersApplication PCTUS2023062745Pending
- Ceramic Fibers For Shielding In Vacuum Chamber Systems And Methods For Using SameApplication PCTUS2022079394Pending
- Inertially-damped Segmented Coils For Generating High Magnetic FieldsApplication PCTUS2022033424Pending
- Hybrid Gettering Diffusion PumpApplication PCTUS2022033172Pending
- High-speed Switching Apparatus For Electromagnetic CoilsApplication PCTUS2022033319Pending
- Hybrid Gettering Diffusion PumpApplication PCTUS2022033318Pending
- Energy Recovery In Electrical SystemsApplication PCTUS2022032277Pending
- Apparatus And Methods For Generating A Pulsating, High-strength Magnetic FieldApplication PCTUS2022032276Pending
- Cartridge Apparatuses For Electrical InterconnectionApplication PCTUS2022030005Pending
- Monolithic High Field Magnets For Plasma Target CompressionApplication PCTUS2022023061Pending
- Advanced Fuel Cycle FRC Fusion ReactorApplication 61937030Pending
Related companies, and why
- Fervo Energy CompanySimilar federal contract value in Energy · null in contracts
- Ceres SystemsSimilar federal contract value in Energy · null in contracts
- VoltServer Inc.Similar federal contract value in Energy · null in contracts
- Zelos Energy LtdSimilar federal contract value in Energy · null in contracts
- Open Energy Group Project Upson LLCSimilar federal contract value in Energy · null in contracts
- Ternan EnergySimilar federal contract value in Energy · null in contracts
Regulatory activity · Energy
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .