March 31, 2026 — Cornerstone Servicing, a leading residential loan subservicer and division of Cornerstone Capital Bank, SSB, announced today that Fitch Ratings has upgraded its U.S. RMBS servicer ratings to RPS3+, reflecting Cornerstone’s continued operational strength, scalability, and consistent performance amid significant portfolio growth. The upgrades include Cornerstone Servicing’s prime, home equity, and specialty second lien servicer ratings. In its rating …