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 2017-3 (SEMT 2017-3), a prime jumbo RMBS transaction. The SEMT 2017-3 mortgage pool is composed of 485 first-lien mortgage loans with an aggregate principal balance of $345,240,401 as of the cut-off date. The underlying collateral consists entirely of fully-amortizing, fixed-rate mortgages. The pool is characterized by su
