Mirion Technologies Inc - Class A

Mirion Technologies (NYSE: MIR) is a global provider of radiation detection, measurement, analysis, and monitoring solutions serving the nuclear, medical, defense, and research end markets. The company operates through two primary groups: the Nuclear & Safety group, which provides radiation safety technologies for R&D labs, nuclear facilities, and frontline operations; and the Medical group, which delivers solutions for nuclear medicine, radiation therapy quality assurance, occupational dosimetry, and diagnostic imaging. Mirion has a presence in over 98% of commercial nuclear power plants globally, with approximately 80% of its nuclear power-related revenue derived from currently operating reactors. The company also pursues opportunities in large-scale new reactor builds and small modular reactors. Mirion employs approximately 3,200 people and operates in 12 countries. Recent acquisitions include Paragon and Certrec, which contribute to its expanded capabilities in the nuclear services market. Updated Oct 27, 2026