An affiliate of TIAA, FSB issued a $319.7 million prime non-agency mortgage-backed security this week. Most of the loans were non-agency jumbos, in addition to a 3.5 percent share of mortgages eligible for sale to the government-sponsored enterprises. Griffin Funding, a wholesale lender focused on the west coast, said it partnered with one of the largest private equity buyers of non-qualified mortgages as a fully-delegated direct seller. The private-equity firm ... [Includes three briefs]