New attributes will give investors a better understanding of the status and pace of MBS prepayments.

Securitization rates increased for GSE-eligible loans, government-insured mortgages and non-agency mortgages. While bank demand for jumbos is declining, the vast majority of the loans don’t go into MBS. (Includes data table.)

Ginnie remained the fastest growing player in the MBS market in the third quarter. Mutual funds, money-market funds and insurance companies continue to play important roles in demand for single-family MBS. (Includes two data tables.)

Massive portfolio restructuring at the Federal Reserve led to a huge increase in production of Fannie and Freddie Supers MBS in the third quarter. Activity looks to be returning to normal. (Includes two data tables.)

Ginnie Mae continued to flex its muscles in the agency single-family MBS market, while non-agency issuance posted a strong third quarter. (Includes three data charts.)

While securitizations are often the best execution for Ginnie Mae loans, small and mid-sized GSE lenders will typically prefer the cash window.

New business and MBS issuance jumped in the second quarter. However, those upticks didn’t account for the spike in profitability at Fannie Mae and Freddie Mac. (Includes data chart.)

The rounding of home prices in HMDA data complicates the calculation of whether loans below the conforming loan limits are more likely to be securitized into agency MBS in areas affected by climate change.

Fannie and Freddie reduced the fee for commingled collateral in Supers starting in April, and new issuance showed more diversity — but nothing like the levels before mid-2022. (Includes two data charts.)

For the first time ever, nonbank lenders held the top seven rankings among agency seller-issuers in April. Their aggregate clout equaled over 40% of the market. (Includes two data charts.)