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Antares Nuclear, Inc. competitors & alternatives
The 12 closest competitors and alternatives to Antares Nuclear, Inc. among energy companies — ranked by similarity to what Antares Nuclear, Inc. actually does, not by market-cap band.
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About Antares Nuclear, Inc.
Antares Nuclear, Inc. is a United States-based company specializing in factory-produced fission microreactors. It is expanding its headquarters, known as Antares Prime, in California to support reactor development, manufacturing, and regulatory milestones.
Antares Nuclear, Inc. at a glance
Antares Nuclear, Inc. is an energy company headquartered in United States. Its most recent funding round raised $320M in July 2026. Xcout tracks 9 named people at Antares Nuclear, Inc., including Jordan Bramble (Chief Executive Officer).
Antares Nuclear, Inc. leadership
- Jordan BrambleChief Executive Officer
- Mark MassieChief Engineer
- Rian BahranChief Nuclear Officer
- Jordan BrambleCEO & Co-Founder
- Jordan BrambleExecutive Officer
- Alana PalmedoDirector
3 more named people on record for Antares Nuclear, Inc., with roles, board committees and tenure — see the full roster →
Antares Nuclear, Inc. funding rounds
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| SEC Form D filing | $320M | — | |
| Series C | $470M | 5 named | |
| Series B | $96M | — | |
| SEC Form D filing | $51M | — | |
| SEC Form D filing | $27.5M | — | |
| SEC Form D filing | $8.1M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Recent Antares Nuclear, Inc. news
Top 12 Antares Nuclear, Inc. competitors
Ranked by semantic similarity — how close each company is to Antares Nuclear, Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Nuclear Energy
Plasmonic Reactor Systems designs and develops inherently safe, cost-effective modular, small, and micro nuclear reactors utilizing fission and fusion technologies. The company provides table-top, laser-driven nuclear reactor solutions that require minimal infrastructure to make sustainable energy accessible.
Similar energy company
Aalo Atomics designs and manufactures mass-producible nuclear power plants purpose-built for data centers and clean energy markets. Headquartered in Austin, Texas, the company operates a dedicated factory and headquarters facility.
Similar energy company
Valar Atomics is an advanced nuclear systems company developing fuel fabrication and pilot plants, such as its facility in Orangeville, Utah. The company utilizes advanced nuclear systems to power the future and coordinates its operations through its headquarters in Los Angeles.
Similar energy company
Oklo Inc. is a publicly traded American nuclear power company based in Santa Clara, California. The company develops a small modular nuclear reactor, the Aurora Powerhouse, and intends to sell both electricity and radioisotopes produced by their Aurora reactors. The company's name is derived from Oklo, a region in the country of Gabon, Africa, where self-sustaining nuclear fission reactions occurred approximately 1.7 billion years ago.
Similar energy company
Standard Nuclear, Inc. is a reactor-agnostic producer of TRISO nuclear fuel, designing and manufacturing advanced nuclear fuels for next-generation reactors to support U.S. energy security. The company is the only independent U.S. manufacturer of TRISO fuel, a robust, high-performance fuel essential to advanced nuclear reactors. It aims to supply advanced fuels to the next-generation nuclear industry and deliver radioisotope power solutions.
Similar energy company
Radiant Industries is a pioneering company based in El Segundo, California, focused on developing mass-produced portable nuclear generators. The company works on innovative nuclear energy solutions to meet various power generation needs.
Similar energy company
ZettaJoule is an advanced small modular reactor company developing on-site nuclear reactors designed to provide clean heat, electricity, and hydrogen for energy-intensive industries. Operating in the United States and Japan, the company aims to deliver reliable, zero-carbon energy solutions operating at temperatures up to 950°C.
Similar energy company
NuScale Power Corporation specializes in the development and sale of modular light water reactor nuclear power facilities. These innovative plants are designed to provide energy for a wide array of applications, including the generation of electricity, district heating systems, water desalination, hydrogen production, and various industrial heat processes. Key products in their portfolio include the NuScale Power Module, an individual water reactor unit capable of producing 77 megawatts of electricity (MWe). They also offer the VOYGR-12 power plant, which delivers a substantial 924 MWe, along with four-module VOYGR-4 and six-module VOYGR-6 configurations. Beyond these standard offerings, NuScale provides other adaptable configurations tailored to meet specific customer demands. Established in 2007, the company maintains its headquarters in Portland, Oregon, and operates as a subsidiary of Fluor Enterprises, Inc.
Similar energy company
Eagle Nuclear Energy Corp. functions as an exploration and extraction enterprise, primarily dedicated to identifying and developing mineral resources across North America. This organization holds a distinctive position within the nuclear energy sector, integrating localized uranium prospecting with its proprietary Small Modular Reactor (SMR) technology. Furthermore, it engineers compact, modular nuclear reactors specifically designed to supply electricity for industrial operations and national power grids. Established in 2023, the company maintains its corporate headquarters in Reno, Nevada.
Nuclear Energy
The Earthineering Company develops nuclear reactors specifically designed to supply heat for various industrial applications beyond electricity generation. The company aims to provide reliable nuclear energy solutions tailored to energy consumption needs across multiple industries.
Similar energy company
NANO Nuclear Energy Inc. operates as a nuclear energy company. The company is developing KRONOS MMR Energy System, a high-temperature gas-cooled reactor; LOKI MMR, a compact microreactor designed for remote and specialized applications; ZEUS, a solid core battery reactor; and ODIN, a low-pressure salt coolant reactor. It is also developing a high-assay low-enriched uranium fuel processing facility to provide a fuel pipeline for the nuclear reactor industry, and fuel transportation and nuclear consultation businesses. The company was incorporated in 2022 and is based in New York, New York.
Similar energy company
Kairos Power LLC is an American nuclear energy company founded in 2016 that is developing fluoride salt-cooled high-temperature reactors (FHRs), a type of molten-salt reactor, in a small modular reactor (SMR) form factor.
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