As of December 2025 Fannie Mae has a market cap of โน1.152 Trillion. This makes Fannie Mae the world's 1610th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 7th, 2025 the market cap of Fannie Mae was reported to be: