NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns preliminary ratings to fifty-three classes of mortgage pass-through certificates from Sequoia Mortgage Trust 2018-2 (SEMT 2018-2), a prime RMBS transaction. SEMT 2018-2 contains both prime jumbo (80.4%) and high-balance conforming (19.6%) collateral to borrowers with prime attributes. The SEMT 2018-2 mortgage pool is composed of 717 first-lien mortgage loans with an aggregate principal balance of $462,013,882 as of the cut-off d