RADIABEAM SYSTEMS, LLC

Santa Monica, CA · Energy · Still private

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Updated Oct 23, 2026 · radiabeam.com

Sector: Energy
Headquarters: Santa Monica, CA
Total capital: $20.5M

Federal grants: $20.5M; 32 awards · 2015–2023; 32× sector median 1 award
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 1; 1 pending · first 2023

Capital timeline

Latest events

Aug 2023Federal grantEnergy · Phase II · Hand-Portable Accelerator for Radioisotope Replacement in Field Radiography$1.1M
Aug 2022Federal grantEnergy · Phase II · Compact, Modular Linac System for Electron Beam and X-ray Irradiation$1.1M
Aug 2022Federal grantEnergy · Phase II · Superconducting Quarter-Wave Resonator for Quantum Information Systems$1.1M
Jun 2022Federal grantEnergy · Phase I · Cold Plasma Cathode for High Resolution Condensed Matter Electron Spectroscopy$200K
Jun 2022Federal grantEnergy · Phase I · Integrated offset monitor for a sub-THz structure wakefield accelerator$200K
Apr 2022Federal grantEnergy · Phase II · Microwave Thermionic Electron Gun for Synchrotron Light Sources$999K
Apr 2022Federal grantEnergy · Phase II · High-Power RF Window for Pulsed RF Accelerating Cavities$1.1M

Show 25 earlier federal awards

Jun 2021Federal grantEnergy · Phase I · Compact, Modular Linac System for Electron Beam and X-ray Irradiation$200K
May 2021Federal grantEnergy · Phase II · Improved Multi-dimensional Bunch Shape Monitor$1.1M
Aug 2020Federal grantEnergy · Phase II · Safe, High-throughput, Self-contained Irradiator$1.1M
Aug 2020Federal grantEnergy · Phase II · Optimization of Additive Manufacturing Technique for 3D Superconducting Multi-Qubit Systems$1.1M
Jun 2020Federal grantEnergy · Phase I · High volume Fabrication Technique for 3D Superconducting Multi-Qubit Systems$200K
Apr 2020Federal grantEnergy · Phase II · Development of Additive Manufacturing for Neutron Scattering Collimators$1.0M
Apr 2020Federal grantEnergy · Phase II · Ultrafast High Voltage Kicker System Hardware for Ion Clearing Gaps$999K
Feb 2020Federal grantEnergy · Phase I · High Efficiency Low-Beta Accelerating Section$200K
Aug 2019Federal grantEnergy · Phase II · Superconducting Quarter-Wave Resonator for Quantum Information Systems$999K
Jul 2019Federal grantEnergy · Phase I · Safe, high-throughput, self-contained irradiator$200K
Jul 2019Federal grantEnergy · Phase I · Optimization of Additive Manufacturing Technique for 3D Superconducting Multi-Qubit Systems$200K
Feb 2019Federal grantEnergy · Phase I · Efficient Fragment Separator for High Energy Secondary Radioactive Beams$150K
Feb 2019Federal grantEnergy · Phase I · Development of Additive Manufacturing for Neutron Scattering Collimators$150K
Feb 2019Federal grantEnergy · Phase I · Ultrafast High Voltage Kicker System Hardware for Ion Clearing Gaps$150K
Aug 2018Federal grantEnergy · Phase II · Radiation spectrometer for RF breakdown detection in THz linear accelerators$1.0M
Aug 2018Federal grantEnergy · Phase II · Demonstration of Combinatorial Additive Manufacturing Approach for the Design of Alloys$1.0M
Jul 2018Federal grantEnergy · Phase I · High Voltage Cooling system for High Dissipation Power GaN Transistors$150K
Jul 2018Federal grantEnergy · Phase I · Superconducting Quarter-Wave Resonator for Quantum Information Systems$150K
Aug 2016Federal grantEnergy · Phase II · Radiation spectrometer for RF breakdown detection in THz linear accelerators$999K
Jun 2016Federal grantEnergy · Phase I · Ultra-Compact Accelerator for 57Co Radioactive Isotope Source Replacement$150K
Apr 2016Federal grantEnergy · Phase II · Rf-free Chirp Removal Using Longitudinal Wakefields$1.0M
Apr 2016Federal grantEnergy · Phase II · GaN Class F Power Amplifier for Klystron Replacement$1.0M
Jul 2015Federal grantEnergy · Phase II · Development of Nuclear Quality Components Using Metal Additive Manufacturing$1.0M
Jun 2015Federal grantEnergy · Phase I · Radiation spectrometer for RF breakdown detection in THz linear accelerators$150K
Feb 2015Federal grantEnergy · Phase I · GaN Class F Power Amplifier for Klystron Replacement$150K

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.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 1 granted of 2

Dec 5, 2023GrantedSystems And Methods For Delivering RadiotherapyUSPTOUS 11,833,371
PendingSystem or Method for Flexible Beamline for Accelerator-Driven RadiotherapyUSPTOApplication 63197892

Regulatory activity · Energy

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
01 Jul 2026List 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
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; 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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.