Two real estate investment trusts are working toward joining Redwood Trust in issuing new non-agency jumbo mortgage-backed securities. Two Harbors Investment and PennyMac Mortgage Investment Trust are acquiring jumbos with plans to securitize the loans and potentially hold the subordinate tranche, a model similar to Redwood’s efforts. Two Harbors first announced its intentions to issue new non-agency MBS in 2011, with a goal for issuance at the end of that year. Thomas Siering, president and CEO ...