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Funds / Individual fund

F Fund

$20.73 a share on Oct 27, 2026, +0.04% on the day.

Returns to Oct 27, 2026

Year to date
−0.7%
from Dec 31, 2025
1 year
−1.0%
from Oct 27, 2025
3 years
5.2%
a year, from Oct 27, 2023
5 years
−0.2%
a year, from Oct 27, 2021
10 years
1.5%
a year, from Oct 27, 2016
Since start
3.2%
a year, from Jun 2, 2003
$10$2020052010201520202025
Share price, month endslog scale

Spans longer than a year show the yearly rate. Share prices include the fund's earnings and expenses, so a price change is the return.

What the F Fund holds

An index fund designed to track the Bloomberg U.S. Aggregate Bond Index.

Legal name
Fixed Income Investment Fund
First priced
Jun 2, 2003 in the official daily price file; the fund itself is older

Since Jun 2, 2003

$10,000 on Jun 2, 2003 would be about

$20,800

by Oct 27, 2026. In the C Fund over the same span: about $124,000.

Growth per year
3.2%
C Fund 11.4%
Best year
8.7%
2019
Worst year
−12.8%
2022
Biggest drop
18%
peak to trough; C Fund 55%
$10k$20k$50k$100k20052010201520202025
F FundC Fund onlylog scale
Year by year
YearF FundC Fund
2003*0.2%16.2%
20044.3%10.8%
20052.4%5.0%
20064.4%15.8%
20077.1%5.5%
20085.5%−37.0%
20096.0%26.7%
20106.7%15.1%
20117.9%2.1%
20124.3%16.1%
2013−1.7%32.4%
20146.7%13.8%
20150.9%1.5%
20162.9%12.0%
20173.8%21.8%
20180.2%−4.4%
20198.7%31.5%
20207.5%18.3%
2021−1.5%28.7%
2022−12.8%−18.1%
20235.6%26.2%
20241.3%25.0%
20257.2%17.8%
2026*−0.7%13.8%

* part of a year. Returns are from official daily share prices; each move happens at the close of its day.

Month by month
Monthly returns of the F Fund by year and month
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
20030.0%*−3.4%0.7%2.7%−1.0%0.3%1.0%0.2%*
20040.8%1.1%0.7%−2.5%−0.5%0.6%1.0%1.9%0.3%0.9%−0.9%1.0%4.3%
20050.6%−0.6%−0.5%1.4%1.0%0.6%−0.8%1.2%−1.0%−0.8%0.4%0.9%2.4%
20060.1%0.3%−0.9%−0.2%−0.1%0.2%1.3%1.6%0.8%0.7%1.1%−0.5%4.4%
20070.0%1.5%0.0%0.5%−0.7%−0.3%0.8%1.2%0.8%0.9%1.9%0.3%7.1%
20081.8%0.2%0.3%−0.2%−0.7%−0.1%0.0%0.9%−1.3%−2.4%3.3%3.7%5.5%
2009−0.9%−0.4%1.4%0.5%0.8%0.5%1.6%1.0%1.1%0.5%1.3%−1.6%6.0%
20101.5%0.4%−0.1%1.1%0.9%1.6%1.1%1.3%0.2%0.4%−0.6%−1.1%6.7%
20110.1%0.3%0.1%1.3%1.3%−0.3%1.6%1.5%0.7%0.1%0.0%1.0%7.9%
20120.9%0.1%−0.6%1.1%0.9%0.0%1.4%0.1%0.2%0.2%0.2%−0.1%4.3%
2013−0.6%0.5%0.1%1.0%−1.8%−1.5%0.1%−0.5%1.0%0.9%−0.4%−0.6%−1.7%
20141.6%0.6%−0.2%0.9%1.2%0.1%−0.2%1.1%−0.6%1.0%0.7%0.2%6.7%
20152.1%−0.9%0.5%−0.3%−0.3%−1.1%0.7%−0.1%0.8%0.0%−0.2%−0.3%0.9%
20161.5%0.7%0.9%0.4%0.1%1.8%0.6%−0.1%0.0%−0.7%−2.4%0.2%2.9%
20170.2%0.7%0.0%0.8%0.8%−0.1%0.4%0.9%−0.5%0.1%−0.1%0.5%3.8%
2018−1.1%−1.0%0.7%−0.7%0.7%−0.1%0.0%0.7%−0.6%−0.8%0.6%1.8%0.2%
20191.1%−0.1%1.9%0.0%1.8%1.3%0.2%2.6%−0.5%0.3%−0.1%−0.1%8.7%
20201.9%1.8%−0.6%1.8%0.5%0.6%1.5%−0.8%0.0%−0.4%1.0%0.1%7.5%
2021−0.7%−1.5%−1.2%0.8%0.3%0.7%1.1%−0.2%−0.9%0.0%0.3%−0.3%−1.5%
2022−2.1%−1.1%−2.7%−3.8%1.1%−1.9%2.5%−2.8%−4.3%−1.3%3.7%−0.7%−12.8%
20233.2%−2.6%2.5%0.6%−1.1%−0.4%−0.1%−0.6%−2.5%−1.6%4.5%3.7%5.6%
2024−0.2%−1.4%0.9%−2.5%1.7%0.9%2.3%1.4%1.3%−2.5%1.1%−1.7%1.3%
20250.5%2.2%0.0%0.4%−0.7%1.5%−0.2%1.2%1.1%0.6%0.6%−0.3%7.2%
20260.2%1.6%−1.8%0.1%0.3%0.2%−1.3%0.4%−2.6%2.1%*−0.7%*

Blue, the month was up; red, it was down; the deeper the colour, the bigger the move. * part of a month or year.

Rolling returns, a year at a time
OverSpansBestWorstAverageLost money
1 year228.7%to 2019−12.8%to 20223.5%3 of 22
3 years206.9%to 2011−3.2%to 20233.3%3 of 20
5 years186.6%to 2011−0.3%to 20253.4%2 of 18
10 years134.9%to 20141.3%to 20223.5%0 of 13
Every span
Annualised return of each window ending at each year end
Ending1 year3 years5 years10 years
20257.2%4.7%−0.3%2.1%
20241.3%−2.3%−0.2%1.5%
20235.6%−3.2%1.2%2.0%
2022−12.8%−2.6%0.1%1.3%
2021−1.5%4.8%3.7%3.1%
20207.5%5.4%4.6%4.1%
20198.7%4.2%3.3%4.0%
20180.2%2.3%2.9%3.7%
20173.8%2.5%2.5%4.3%
20162.9%3.5%2.6%4.6%
20150.9%1.9%3.6%4.7%
20146.7%3.1%4.7%4.9%
2013−1.7%3.4%4.6%4.7%
20124.3%6.3%6.1%
20117.9%6.9%6.6%
20106.7%6.1%5.9%
20096.0%6.2%5.1%
20085.5%5.6%4.7%
20077.1%4.6%
20064.4%3.7%
20052.4%
20044.3%

Each figure is the yearly rate over a span ending on the last priced day of that year. A blank cell means the span starts before the fund did.

The 5 biggest drops
HighLowFallFell overBack after
Aug 6, 2020Oct 24, 2022−18.0%2.2 yrsnot yet
Mar 9, 2020Mar 19, 2020−6.4%10 days109 days
Sep 9, 2008Oct 31, 2008−5.1%52 days97 days
May 2, 2013Sep 5, 2013−4.8%126 days363 days
Jun 13, 2003Aug 14, 2003−4.8%62 days214 days

Past performance does not predict future returns. This is not investment advice.

Official TSP share prices through Oct 27, 2026.

Open the F Fund in the backtester to test a plan that moves in and out of it, or see every fund.