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Side-by-side financial comparison of ENERGY CO OF MINAS GERAIS (CIG) and Oklo Inc. (OKLO). Click either name above to swap in a different company.
Companhia Energética de Minas Gerais, trading under ticker CIG, is a leading Brazilian energy conglomerate. It engages in power generation, transmission, distribution, and natural gas supply, serving millions of customers across Minas Gerais state and nearby regions, with a diversified portfolio of hydro, wind and solar power assets.
Oklo Inc. is a designer of Small Modular Reactors (SMRs) based in Santa Clara, California. Founded in 2013 by Jacob and Caroline DeWitte, Oklo Inc. focuses on fast reactor, SMR plants. OpenAI co-founder Sam Altman served as an early CEO, but stepped down in April 2025 to "avoid a conflict of interest ahead of talks between his company and the nuclear start-up on an energy supply agreement."
