MFA Financial, Inc. operates as a real estate investment trust (REIT) that strategically deploys capital, often using borrowed funds, into various residential mortgage-related assets. Its portfolio includes agency and non-agency mortgage-backed securities (MBS), alongside residential whole loans. The company's operations are divided into two primary segments: Mortgage-Related Assets and Lima One. The Mortgage-Related Assets segment encompasses the majority of the firm's investment activities. Conversely, the Lima One segment operates as a distinct entity primarily engaged in mortgage origination and servicing. Stewart Zimmerman established the company on July 24, 1997, and its corporate headquarters are situated in New York, NY.