Nuclear stocks represent publicly traded companies involved in nuclear power generation, reactor construction, fuel processing and related energy infrastructure. This page tracks firms producing nuclear energy, developing advanced reactor technologies and supporting the nuclear fuel cycle. These companies operate across the full spectrum of atomic energy, from uranium mining and enrichment to plant construction and operations.
NuScale Power leads in small modular reactor (SMR) technology, offering scalable, safe, and efficient nuclear energy solutions to meet diverse power needs.
Oklo Inc. designs advanced fission power plants utilizing nuclear waste as fuel, delivering safe, clean, and sustainable energy for a reliable future.
NANO Nuclear Energy develops portable microreactors, specializing in µSMRs and ANRs to provide clean, on-demand energy solutions for sustainable power needs.
ASP Isotopes Inc. specializes in advanced isotope enrichment technology, serving key markets in medicine, semiconductors, and green energy with innovative solutions.
Talen Energy is a U.S.-based power producer with a 10.7 GW portfolio, focused on clean energy, decarbonization, and digital infrastructure development.
NexGen Energy Ltd. develops the Rook I Project, a high-grade uranium project in Canada's Athabasca Basin, aiming to lead sustainable, low-cost nuclear energy production.
Uranium Energy Corp. is a U.S.-based uranium mining and exploration company, employing in-situ recovery (ISR) technology for efficient environmental extraction.
Cameco is a leading global provider of uranium fuel, supporting clean-air energy solutions through mining, refining, and nuclear services.
Denison Mines develops uranium projects, including Wheeler River in Canada’s Athabasca Basin, advancing clean energy with sustainable resource development.
Constellation Energy is the largest U.S. producer of carbon-free energy, offering sustainable solutions to homes, businesses, and public-sector customers nationwide.
Energy Fuels Inc. leads U.S. uranium production, processes rare earth elements, and produces vanadium, supporting clean energy and advanced technologies.
Global Atomic Corporation develops high-grade uranium projects in Niger and operates a zinc recycling facility in Turkey, contributing to global clean energy solutions.
Ur-Energy Inc. operates the Lost Creek uranium facility in Wyoming, advancing sustainable energy with innovative in-situ recovery and strategic project development.
IsoEnergy Ltd. explores and develops high-grade uranium projects, including the world-class Hurricane deposit in Canada's Athabasca Basin, driving clean energy solutions.
Lightbridge Corporation develops advanced nuclear fuel technology, enhancing reactor safety, efficiency, and proliferation resistance for current and future reactors.
Terrestrial Energy is developing advanced Generation IV nuclear technology to deliver reliable, zero-carbon industrial and grid power.
Duke Energy operates regulated electric and natural-gas utilities providing generation, transmission and distribution services across U.S. service territories.
Nuclear stocks encompass companies operating in the atomic energy sector, from uranium extraction and enrichment to reactor design, construction and power generation. The category includes utilities running nuclear plants, engineering firms building reactors, fuel fabricators and specialized service providers.
The nuclear sector addresses the demand for baseload electricity that operates continuously regardless of weather conditions. Unlike intermittent renewable sources, nuclear plants provide consistent output, making them suitable for grid stability. Growing data center power requirements have intensified focus on reliable, high-density energy sources. Nuclear generation produces no direct carbon emissions during operation, positioning it within the broader climate technology landscape as a carbon-free alternative to fossil fuels.
Industry participants range from established utilities operating legacy reactors to developers advancing small modular reactor designs intended for faster deployment and lower capital costs. Fuel cycle companies handle uranium mining, conversion, enrichment and fabrication into reactor fuel assemblies. Decommissioning specialists manage plant closures and waste handling.
Nuclear stocks matter for those tracking energy transition themes because atomic power represents a scalable path to decarbonization while meeting industrial and residential electricity demand. The sector faces regulatory complexity and long project timelines, but technological advances and policy support in multiple countries sustain its role in diversified energy portfolios.
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