Feb 20, 2026 · By law, the I Fund must be invested in a portfolio designed to track the performance of an index of stocks representing international stock markets outside of the United States.

5 days ago · TSP I Fund information, returns, performance chart, and current price, updated daily. Complete performance history of the Thrift Savings Plan I Fund.

Feb 28, 2026 · The TSP’s I Fund is still outperforming U.S. stock funds. The trend has momentum, but it is not guaranteed to last. Here's what is driving the I Fund's performance.

Mar 26, 2026 · At its core, the I Fund is designed to give federal employees exposure to international stocks; companies based outside the United States. Unlike the C Fund (which tracks large U.S. …

Jun 2, 2026 · Below are the TSP fund performance figures for the G, F, C, S, I and L investment funds as calculated by the Thrift Savings Plan. A description of each of the TSP funds is here.

Sep 23, 2024 · The fund, also known as the International Stock Index Fund, will go from owning roughly 750 companies in 21 countries to more than 5,500 companies in 44 countries.

The International Stock Index Investment Fund, commonly known as the I Fund, has surged ahead of its domestic counterparts with staggering momentum that has caught many investors off guard.

The I fund has been crushing the C fund in 2025! The question is, will this outperformance continue and is now a good time for TSP investors to reallocate to the I fund?

The I Fund (International Stock Index Investment Fund) is one of six investment offerings inside the Thrift Savings Plan, a contributory retirement program for United States federal employees, members …

Mar 18, 2026 · The TSP I Fund gives federal employees international stock exposure, but currency risk, tax rules, and index quirks are worth understanding before investing.