MSCI Acquires First Street to Enhance Physical Climate Risk Capabilities

MSCI Inc. announced it will acquire First Street, a provider of physics-based climate risk data and analytics for properties worldwide, to strengthen MSCI’s global physical climate risk capabilities. The deal includes a $120 million cash payment at closing, plus potential additional cash payments over the first two years after closing if revenue thresholds are met, and is expected to close in Q3 2026 subject to regulatory approvals.