The flow of refinance mortgages into agency MBS rose smartly from January to February. And year-to-date total issuance was up slightly from early 2023.

Production of agency high-balance loans held up slightly better than the downturn in non-agency jumbo originations, but both sectors recorded big quarterly declines.

Must of the increase in bank ABS holdings seen during the fourth quarter of 2023 was due to a portfolio securitization at BMO Harris Bank.

REIT holdings of MBS declined by 2.7% in the fourth quarter of 2023.

Bank ABS holdings rose unexpectedly in the fourth quarter, but most of the gain came from a portfolio securitization of consumer loans by one institution. (Includes two data tables.)

Mortgage REITs mostly treaded water in the fourth quarter, although aggregate industry holdings were down slightly from the previous period. (Includes two data tables.)

Wholesale-broker platforms took a significantly bigger share of the shrinking refinance market in 2023 as consumer-direct/retail volume lost ground. (Includes six data tables.)

Commingling happens when a government-sponsored enterprise stocks a new Supers deal with MBS issued by the rival GSE.

Holdings of residential MBS at banks increased by 5.6% in the fourth quarter of 2023, ending a two-year decline.