Fannie Mae stock (FNM) is actively traded on the New York Stock Exchange and other exchanges and is part of the Standard & Poor's 500 Composite Stock Price Index. (Note: the federal government took over Fannie Mae pursuant to the Housing and Economic Recovery Act of 2008.) 2011 Conforming Loan Limits* Maximum Loan Limits for Counties Across the United States for the First Nine Months of 2011