Two Harbors Investment Corp. (TWO) reported core earnings of $89.7 million for the first quarter of 2013, up from $84 million from the fourth quarter of 2012.

Additionally, Two Harbors said it's building an originator network to issue () jumbo mortgage-backed securities on its own. 

The real estate investment trust bought subordinate portions of () MBS issued by Credit () (CS) recently and the holdings have generated returns in the double digits, the company explained.

Meanwhile, Two Harbors recently purchased Matrix Financial Services. Matrix has fewer than 10 employees and hasn't originated loans in quite some time, Two Harbors noted. 

Two Harbors said it expects to begin purchasing agency mortgage servicing rights soon and is in talks with companies to subservice the loans, according to transcripts from Seeking Alpha. 

Matrix has seller/servicer approvals from Fannie Mae, Freddie Mac and Ginnie Mae.