Fidelity Series Treasury Bill Index (Fidelity Series Treasury Bill I) fond

Normally investing at least 80% of assets in securities included in the Bloomberg U.S. 3-6 Month Treasury Bill Index. The index is a market capitalization-weighted index of investment-grade, fixed-rate public obligations of the U.S. Treasury with maturities from 3 up to (but not including) 6 months, excluding zero coupon strips.