All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

TIBIX vs. VFINX vs. FCNTX: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

Growth of $10,000

Fri 2003-11-14💬 to Mon 2026-08-24 Overall
Return 		Exponential
Trendline
TIBIX × 		+496.51%
+8.16%/yr 		+6.05%/yr
R2=0.917
Thornburg Investment Income Builder Fund - Class I Mutual Fund
VFINX × 		+503.57%
+8.21%/yr 		+8.38%/yr
R2=0.898
Vanguard 500 Index Fund Investor Shares Mutual Fund
FCNTX × 		+857.21%
+10.43%/yr 		+10.16%/yr
R2=0.936
Fidelity Contrafund Mutual Fund

Growth of $10,000 Summary

Fri 2003-11-14💬 to Mon 2026-08-24 Start
Value 		End
Value
TIBIX × 		$10,000.00
2003-11-14 		$59,651.39
2026-08-24
VFINX × 		$10,000.00
2003-11-14 		$60,356.86
2026-08-24
FCNTX × 		$10,000.00
2003-11-14 		$95,720.71
2026-08-24

This Year’s Performance

through 2026-08-24

  YTD YoY
TIBIX × 		+15.62% +25.62%
VFINX × 		+8.97% +15.67%
FCNTX × 		+6.59% +12.07%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
TIBIX × 		−0.49%
on 2026-08-24
from 2026-08-14 peak 		−46.12%
on 2009-03-09
from 2007-10-31 peak
VFINX × 		−1.92%
on 2026-08-24
from 2026-08-13 peak 		−56.04%
on 2009-03-09
from 2007-10-09 peak
FCNTX × 		−2.43%
on 2026-08-24
from 2026-08-13 peak 		−49.83%
on 2009-03-09
from 2007-10-31 peak

Rolling Returns

Period ending Mon 2026-08-24 1 yr 2 yr 3 yr 5 yr 10 yr
TIBIX × 		+25.62% +53.45%
+23.88%/yr 		+86.73%
+23.14%/yr 		+76.67%
+12.06%/yr 		+132.94%
+8.82%/yr
VFINX × 		+15.67% +30.61%
+14.29%/yr 		+66.09%
+18.43%/yr 		+48.65%
+8.25%/yr 		+196.00%
+11.46%/yr
FCNTX × 		+12.07% +33.35%
+15.48%/yr 		+85.25%
+22.81%/yr 		+55.54%
+9.24%/yr 		+266.41%
+13.87%/yr

Annual Returns

Year TIBIX VFINX FCNTX
2026 (YTD) +15.62% +8.97% +6.59%
2025 +33.44% +14.65% +18.59%
2024 +10.30% +21.34% +32.19%
2023 +14.45% +22.03% +34.85%
2022 −13.30% −23.21% −31.88%
2021 +12.44% +20.08% +16.33%
2020 −1.65% +17.14% +30.70%
2019 +15.37% +28.40% +27.09%
2018 −5.92% −6.33% −4.15%
2017 +12.85% +19.14% +29.44%
2016 +7.62% +9.56% +1.24%
2015 −5.76% +0.50% +5.62%
2014 +4.65% +12.67% +9.20%
2013 +15.11% +30.21% +32.88%
2012 +9.95% +13.85% +14.28%
2011 −2.17% −0.98% −3.00%
2010 +12.20% +13.22% +15.21%
2009 +39.88% +23.17% +25.80%
2008 −31.91% −37.08% −37.21%
2007 +15.05% +1.25% +15.49%
2006 +23.16% +12.80% +9.64%
2005 +7.90% +1.30% +12.38%
2004 +14.39% +7.25% +11.44%
2003 +6.18% +26.13% +25.60%
2002 — −23.98% −6.79%
2001 — −13.38% −3.31%
2000 — −12.04% −18.73%
1999 — +17.92% +36.56%
1998 — +26.58% +19.78%
1997 — +30.95% +20.97%
1996 — +18.92% +18.60%
1995 — +34.04% +33.84%
1994 — −1.46% −3.69%
1993 — +7.21% +18.78%
1992 — +5.19% +12.96%
1991 — +28.13% +50.68%
1990 — −8.35% −2.04%
1989 — +22.68% +37.63%
1988 — +10.06% +16.00%
1987 — −0.44% −9.09%
1986 — +8.11% −6.21%
1985 — +18.11% +22.40%
1984 — −0.27% −23.92%
1983 — +12.80% +14.95%
1982 — +14.85% −0.31%
1981 — −16.04% −21.18%
1980 — +13.66% +11.78%
1979 — −2.24% —