USA Rare Earth and InfraVia Acquire Minority Stakes in Carester to Strengthen European Rare-Earth Processing

July 23, 2026

USA Rare Earth entered into definitive agreements to acquire a strategic minority stake (~13.6%) in French rare earth processor Carester, while InfraVia Capital Partners (through its Critical Metals Fund) will acquire a similar stake. The investment strengthens the Lacq, France rare-earth ecosystem, including Carester’s Caremag heavy rare-earth separation and magnet recycling facility, and enables USA Rare Earth/LCM Europe to purchase a portion of Carester’s rare earth oxide output.

Targets
Carester SAS
Industry
Energy
Location
France
Transaction Type
Growth capital

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