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

Total Real Returns

TIBIX: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

TIBIX real return snapshot: after CPI-U inflation, TIBIX returned +19.54% over the past year and +12.10% YTD, with dividends reinvested. Since Nov. 14, 2003, TIBIX is up +478.38% in real purchasing-power return, or +7.93%/yr, and is currently −3.50% below its real total-return high on Aug. 14, 2026.

Data ending Mon Nov. 9, 2026

Growth of $10,000

Fri 2003-11-14💬 to Mon 2026-11-09 Overall
Return
Exponential
Trendline
TIBIX
×
+478.38%
+7.93%/yr
+6.11%/yr
R2=0.918
Thornburg Investment Income Builder Fund Mutual Fund

Growth of $10,000 Summary

Fri 2003-11-14💬 to Mon 2026-11-09 Start
Value
End
Value
TIBIX
×
$10,000.00
2003-11-14
$57,838.40
2026-11-09

This Year’s Performance

through 2026-11-09

  YTD YoY
TIBIX
×
+12.10% +19.54%

Drawdowns

  Current
Drawdown
Worst
Drawdown
TIBIX
×
−3.50%
on 2026-11-09
from 2026-08-14 peak
−46.12%
on 2009-03-09
from 2007-10-31 peak

Rolling Returns

Period ending Mon 2026-11-09 1 yr 2 yr 3 yr 5 yr 10 yr
TIBIX
×
+19.54% +49.78%
+22.39%/yr
+80.45%
+21.74%/yr
+67.09%
+10.81%/yr
+129.35%
+8.66%/yr

Annual Returns

Year TIBIX
2026 (YTD) +12.10%
2025 +33.44%
2024 +10.30%
2023 +14.45%
2022 −13.30%
2021 +12.44%
2020 −1.65%
2019 +15.37%
2018 −5.92%
2017 +12.85%
2016 +7.62%
2015 −5.76%
2014 +4.65%
2013 +15.11%
2012 +9.95%
2011 −2.17%
2010 +12.20%
2009 +39.88%
2008 −31.91%
2007 +15.05%
2006 +23.16%
2005 +7.90%
2004 +14.39%
2003 +6.18%