All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)
TIBIX real return snapshot: after CPI-U inflation, TIBIX returned +23.63% over the past year and +14.32% YTD, with dividends reinvested. Since Nov. 14, 2003, TIBIX is up +489.82% in real purchasing-power return, or +8.08%/yr, and is currently −1.59% below its real total-return high on Aug. 14, 2026.
Data ending Wed Sep. 16, 2026
| Fri 2003-11-14💬 to Wed 2026-09-16 |
Overall
Return |
Exponential
Trendline |
||||
|---|---|---|---|---|---|---|
| TIBIX × |
+489.82%
+8.08%/yr |
+6.07%/yr
R2=0.917 |
||||
| Thornburg Investment Income Builder Fund Mutual Fund | ||||||
| Fri 2003-11-14💬 to Wed 2026-09-16 |
Start
Value |
End
Value |
|---|---|---|
| TIBIX × |
$10,000.00
2003-11-14 |
$58,982.02
2026-09-16 |
| YTD | YoY | |
|---|---|---|
| TIBIX × | +14.32% | +23.63% |
|
Current
Drawdown |
Worst
Drawdown |
|
|---|---|---|
| TIBIX × |
−1.59%
on 2026-09-16 from 2026-08-14 peak |
−46.12%
on 2009-03-09 from 2007-10-31 peak |
| Period ending Wed 2026-09-16 | 1 yr | 2 yr | 3 yr | 5 yr | 10 yr |
|---|---|---|---|---|---|
| TIBIX × | +23.63% |
+50.99% +22.88%/yr |
+77.32% +21.04%/yr |
+75.52% +11.91%/yr |
+136.07% +8.97%/yr |
| Year | TIBIX |
|---|---|
| 2026 (YTD) | +14.32% |
| 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% |
