The Federal National Mortgage Association, commonly known as Fannie Mae (OTCMKTS:FNMA), is a government-sponsored enterprise established by Congress in 1938 as part of the New Deal to support the U.S. housing market. Headquartered in Washington, D.C., Fannie Mae’s mission is to promote liquidity, stability and affordability in the mortgage market. The company operates by purchasing residential mortgage loans from financial institutions, pooling them into mortgage-backed securities (MBS), and providing guarantees to investors against borrower default.
In its core business, Fannie Mae works with mortgage lenders across the United States—including banks, credit unions and mortgage finance companies—to ensure a steady flow of capital for homebuyers and homeowners seeking refinancing. By securitizing mortgages into MBS, the company helps reduce risk for originators and expands access to mortgage credit, particularly for first-time and moderate-income borrowers. Through various programs and underwriting guidelines, Fannie Mae plays a central role in standardizing mortgage documentation and pricing, thereby fostering transparency and consistency in residential lending.
Since the 2008 financial crisis, Fannie Mae has operated under conservatorship overseen by the Federal Housing Finance Agency (FHFA), which supervises its financial and operational practices to maintain stability in the housing finance system. The enterprise serves a geographic footprint that spans all 50 states, the District of Columbia and U.S. territories, collaborating with a network of approved lenders and servicers. Through its guaranty book of business and ongoing innovation in credit risk transfer, Fannie Mae continues to support the housing finance market while working toward its statutory mission of affordable housing.
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