The article summarizes each company’s jurisdiction, reactor technology, fuel type, development stage, and most recently disclosed valuation, based on publicly available information and industry disclosures as of 2024–2026.

Comprehensive SMR investment analysis comparing Last Energy, Radiant, and Newcleo for private market investors. Last Energy leads with $32B commercial agreements, UK regulatory approval, and 2026 deployment timeline. Radiant secured $225M funding with DOE partnerships. Newcleo targets European markets with €535M raised. Includes funding comparison, risk assessment, and investment recommendations for the rapidly growing small modular reactor sector.