The Thrift Savings Plan's offerings to federal workers returned to positive ground last month, as each of its funds finished August in the black. PM Images/Getty Images
TSP funds were back in the black in August
After two months of stock market slowdowns, the federal government’s 401(k)-style retirement savings program saw each of its offerings increase in value again.
Each portfolio within the federal government’s 401(k)-style retirement savings program gained value last month, snapping a two-month streak of lackluster market performance.
The international stocks of the Thrift Savings Plan’s I Fund sported the best performance, gaining 3.32% last month. So far this year, the I Fund has grown 19.18%.
The C Fund, which is made up of large- and mid-size businesses, increased 2.72% in August, good for 13.12% growth since the start of 2026. And the small- and mid-size companies in the S Fund finished August 2.27% in the black, bringing its 2026 gains to 16.10%.
The fixed income (F) fund grew 0.40% last month, reducing its 2027 losses to 0.16%. And the G Fund, which grows at a statutorily mandated rate, gained 0.41% in August. So far this year, the G Fund has grown 3.00%.
Likewise, each of the TSP’s lifecycle (L) funds, which move toward more conservative investments as participants get closer to retirement, gained value in August. The L Income Fund, designed for those already making withdrawals, grew 1.11%; L 2030, 1.75%; L 2035, 2.04%; L 2040, 2.31%; L 2045, 2.31%; L 2050, 2.43%; L 2055, 2.85%: L 2060, 2.86%; L 2065, 2.86%; L 2070, 2.85%; and L 2075, 2.86%.
Since January, the L Income Fund has increased 6.34%; L 2030, 9.78%; L 2035, 11.15%; L 2040, 11.87%; L 2045, 12.50%; L 2050, 13.14%; L 2055, 15.57%; L 2060, 15.57%; L 2065, 15.57%; L 2070, 15.56%; and L 2075, 15.56%.