Rocket is the first nonbank to have the largest portfolio of owned servicing thanks to its acquisition of Mr. Cooper Group.

Recent mergers changed the top 10 lenders who delivered loans into Fannie Mae and Freddie Mac mortgage-backed securities, according to the latest ranking and analysis by Inside The GSEs.

During the fourth quarter of 2025, issuance of expanded-credit mortgage-backed securities declined on a quarterly basis for the first time in two years.