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 2017-6 (SEMT 2017-6), a prime RMBS transaction. SEMT 2017-6 contains both prime jumbo (96.4%) and high-balance conforming (3.6%) collateral to borrowers with prime attributes. The SEMT 2017-6 mortgage pool is composed of 478 first-lien mortgage loans with an aggregate principal balance of $355,413,851, as of the cut-off d
