Non-agency MBS issuance hit its highest level since the third quarter of 2007, largely because of surging production of the new generation of Alt A and subprime deals. JPMorgan Chase was the top issuer and top underwriter in the first quarter. (Includes three data tables.)

Some 68.0% of mortgages originated in 2025 were sold into MBS. Securitization rates were stable across most products, except for expanded-credit mortgages, where the securitization rate increased sharply. (Includes data table.)

JPMorgan Chase remained the largest bank CLO investor despite a modest decline in its portfolio during the fourth quarter of 2025. (Includes data table.)