Since the end of December, at least $7.4 billion in seasoned mortgages have been securitized through Fannie Mae and Freddie Mac, a trend that appears to be gaining steam, especially among small- to medium-sized lenders. In early April, Inside MBS & ABS reported that Bank of America contributed $5.4 billion of seasoned loans (three months or older) to Freddie Mac MBS, which helped make the bank Freddie’s largest seller in the first quarter. A follow-up inquiry to BofA yielded...