Each of the portfolios in the federal government’s 401(k)-style retirement savings program gained value in August, marking the first time the program has achieved the feat since January.
The small- and mid-size businesses of the Thrift Savings Plan’s S Fund saw the best performance, gaining 4.08% last month. That effectively doubled the fund’s gains so far this year, increasing its 2025 growth to 8.96%.
The international (I) fund increased 3.95% in August, good enough to boost its returns so far this year to 21.50%. And the common stocks of the C Fund grew 2.03%, expanding its gains since January to 10.76%.
The fixed income (F) fund finished August 1.19% in the black. So far this year, the F Fund has increased 4.99%.
And the G Fund, which is made up of government securities and grows at a statutorily mandated rate, gained 0.37% last month. Since January, the G Fund has grown 2.98%.


