Nuclear Energy IPOs

6 nuclear energy companies tracking toward an IPO in 2026.

Kairos Power logo

Kairos Power

Kairos Power is developing fluoride salt-cooled high-temperature reactors (FHRs) for commercial nuclear power generation. The company combines molten salt cooling with TRISO fuel technology to create what it believes will be safer and more efficient nuclear reactors.

No IPO Announced
Last Energy logo

Last Energy

Last Energy is developing standardized small modular reactors with a focus on rapid deployment and cost reduction. The company aims to make nuclear energy more accessible globally by creating factory-built reactors that can be quickly installed in various locations.

No IPO Announced
NuScale Power logo

NuScale Power

NuScale Power develops small modular reactor (SMR) technology for nuclear power generation. The company's scalable reactor design aims to provide safer, smaller, and more cost-effective nuclear power solutions, positioning it as a leader in next-generation nuclear technology.

Public
Oklo logo

Oklo

Oklo is a nuclear technology company developing advanced fission reactors and fuel recycling services. The company focuses on compact, autonomous reactors designed to provide clean energy with minimal waste, attracting investor interest in the growing small modular reactor market.

Public
TerraPower logo

TerraPower

TerraPower is a nuclear innovation company founded by Bill Gates, developing advanced nuclear reactors including traveling wave reactors and molten chloride fast reactors. The company aims to provide safe, abundant, and carbon-free energy solutions with significant backing from Breakthrough Energy.

No IPO Announced
X-energy logo

X-energy

X-energy develops high-temperature gas-cooled nuclear reactors and TRISO nuclear fuel technology. The company focuses on providing safe, scalable nuclear energy solutions for both power generation and industrial applications, targeting the growing advanced reactor market.

Public

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