Monthly fund returns.
September 2026: C -0.35%, S -3.86%, I -2.30%, F -2.59%, G +0.40%.
Every month on file
TSP Fund Returns: September 2026
C Fund -0.35%, S Fund -3.86%, I Fund -2.30%, F Fund -2.59%, G Fund +0.40%.
TSP Fund Returns: August 2026
C Fund +2.72%, S Fund +2.27%, I Fund +3.32%, F Fund +0.40%, G Fund +0.41%.
TSP Fund Returns: July 2026
C Fund -0.07%, S Fund -4.12%, I Fund -1.01%, F Fund -1.29%, G Fund +0.39%.
TSP Fund Returns: June 2026
C Fund -0.95%, S Fund +4.34%, I Fund -0.03%, F Fund +0.25%, G Fund +0.37%.
TSP Fund Returns: May 2026
C Fund +5.26%, S Fund +4.49%, I Fund +4.90%, F Fund +0.33%, G Fund +0.39%.
TSP Fund Returns: April 2026
C Fund +10.49%, S Fund +9.96%, I Fund +9.11%, F Fund +0.12%, G Fund +0.36%.
TSP Fund Returns: March 2026
C Fund -4.98%, S Fund -4.58%, I Fund -9.35%, F Fund -1.77%, G Fund +0.34%.
TSP Fund Returns: February 2026
C Fund -0.76%, S Fund +1.08%, I Fund +6.05%, F Fund +1.63%, G Fund +0.33%.
TSP Fund Returns: January 2026
C Fund +1.45%, S Fund +2.41%, I Fund +5.94%, F Fund +0.20%, G Fund +0.37%.
TSP Fund Returns: December 2025
C Fund +0.06%, S Fund -0.53%, I Fund +3.04%, F Fund -0.26%, G Fund +0.35%.
TSP Fund Returns: November 2025
C Fund +0.24%, S Fund -0.45%, I Fund +0.42%, F Fund +0.64%, G Fund +0.34%.
TSP Fund Returns: October 2025
C Fund +2.34%, S Fund +1.16%, I Fund +2.13%, F Fund +0.62%, G Fund +0.36%.
TSP Fund Returns: September 2025
C Fund +3.65%, S Fund +2.04%, I Fund +3.16%, F Fund +1.09%, G Fund +0.35%.
TSP Fund Returns: August 2025
C Fund +2.03%, S Fund +4.08%, I Fund +3.95%, F Fund +1.19%, G Fund +0.37%.
All 16 funds each month — G, F, C, S, I and the eleven Lifecycle Funds — with year-to-date and 12-month figures and closing share prices, taken from the official TSP share-price history. Posted in the first week of each month.
Back to the full pillar
Monthly returns are one corner of the TSP pillar. Fund basics, Roth and catch-up, withdrawals and income, rollovers, and loans are all in the full pillar.
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