Redwood Trust is set to issue a $415.73 million non-agency jumbo mortgage-backed security by the end of this month, continuing its run as the only issuer of new non-agency MBS. Unlike its three previous securities issued in 2010 and 2011, the real estate investment trust has faced little criticism from rating services regarding the characteristics of the new MBS. Fitch Ratings and, in a first, Kroll Bond Rating Agency are set to place AAA ratings on Sequoia Mortgage Trust 2012-1, which includes a pool of 30-year fixed-rate mortgages, ARMs and 15-year fixed-rate mortgages, 446 loans in all. Standard & Poor’s and Moody’s Investors Service were critical of Redwood’s previous deals and will not place ratings on the new issuance ...