Two Harbors Investment is set to issue its first non-agency jumbo mortgage-backed security. The real estate investment trust is working on building its jumbo conduit operations, but in the meantime, Two Harbors plans to securitize mortgages it purchased from Bank of America. Two Harbors’ $434.17 million Agate Bay Mortgage Trust 2013-1 is set to receive AAA ratings with credit enhancement of 7.70 percent for the top-rated tranche. Mortgages to be included in the security have seasoned for ...