The S fund started off the new year with the highest monthly return, while the C fund continues its streak with the highest returns over the last 12 months.

TSP C Fund—US Large-Cap Stocks TSP S Fund—US Mid- and Small-Cap Stocks TSP I Fund—Non-US Stocks TSP F Fund—US Bonds TSP G ...

TSPs also offer individual TSP funds in five focused yet diversified fund choices to choose from: a U.S. government securities fund, a U.S. fixed income (bond) fund, a U.S. large-cap stock index ...

The Thrift Savings Plan ... I and L funds and a Mutual Fund Window that was introduced to provide additional diversification opportunities. The G and F Funds are generally considered safer ...