TIBAX vs. RMDFX
Compare and contrast key facts about Thornburg Investment Income Builder Fund (TIBAX) and Aspiriant Defensive Allocation Fund (RMDFX).
TIBAX is managed by Thornburg. It was launched on Dec 23, 2002. RMDFX is managed by Aspiriant. It was launched on Dec 13, 2015.
Performance
TIBAX vs. RMDFX - Performance Comparison
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TIBAX vs. RMDFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TIBAX Thornburg Investment Income Builder Fund | 7.98% | 36.62% | 13.23% | 18.01% | -7.95% | 20.08% | -0.67% | 17.72% | -4.54% | 14.83% |
RMDFX Aspiriant Defensive Allocation Fund | 2.53% | 18.85% | 1.45% | 8.01% | -6.84% | 4.20% | 5.10% | 11.50% | -4.89% | 9.41% |
Returns By Period
In the year-to-date period, TIBAX achieves a 7.98% return, which is significantly higher than RMDFX's 2.53% return. Over the past 10 years, TIBAX has outperformed RMDFX with an annualized return of 11.70%, while RMDFX has yielded a comparatively lower 4.91% annualized return.
TIBAX
- 1D
- 0.31%
- 1M
- -4.88%
- YTD
- 7.98%
- 6M
- 15.33%
- 1Y
- 35.77%
- 3Y*
- 23.23%
- 5Y*
- 14.98%
- 10Y*
- 11.70%
RMDFX
- 1D
- 0.25%
- 1M
- -3.79%
- YTD
- 2.53%
- 6M
- 7.56%
- 1Y
- 17.15%
- 3Y*
- 9.46%
- 5Y*
- 5.23%
- 10Y*
- 4.91%
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TIBAX vs. RMDFX - Expense Ratio Comparison
TIBAX has a 1.14% expense ratio, which is higher than RMDFX's 0.18% expense ratio.
Return for Risk
TIBAX vs. RMDFX — Risk / Return Rank
TIBAX
RMDFX
TIBAX vs. RMDFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Thornburg Investment Income Builder Fund (TIBAX) and Aspiriant Defensive Allocation Fund (RMDFX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| TIBAX | RMDFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.33 | 3.47 | -0.13 |
Sortino ratioReturn per unit of downside risk | 4.24 | 4.74 | -0.50 |
Omega ratioGain probability vs. loss probability | 1.74 | 1.75 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 4.10 | 4.07 | +0.03 |
Martin ratioReturn relative to average drawdown | 20.22 | 17.19 | +3.03 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TIBAX | RMDFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.33 | 3.47 | -0.13 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.36 | 0.83 | +0.53 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.87 | 0.79 | +0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.77 | 0.78 | -0.01 |
Correlation
The correlation between TIBAX and RMDFX is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
TIBAX vs. RMDFX - Dividend Comparison
TIBAX's dividend yield for the trailing twelve months is around 5.30%, more than RMDFX's 4.52% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TIBAX Thornburg Investment Income Builder Fund | 5.30% | 5.64% | 5.44% | 4.67% | 5.62% | 5.10% | 4.11% | 4.23% | 4.49% | 4.22% | 3.83% | 4.31% |
RMDFX Aspiriant Defensive Allocation Fund | 4.52% | 4.63% | 0.00% | 3.69% | 0.78% | 5.37% | 2.28% | 3.78% | 4.11% | 2.16% | 1.16% | 0.00% |
Drawdowns
TIBAX vs. RMDFX - Drawdown Comparison
The maximum TIBAX drawdown since its inception was -49.12%, which is greater than RMDFX's maximum drawdown of -15.96%. Use the drawdown chart below to compare losses from any high point for TIBAX and RMDFX.
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Drawdown Indicators
| TIBAX | RMDFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.12% | -15.96% | -33.16% |
Max Drawdown (1Y)Largest decline over 1 year | -8.57% | -4.19% | -4.38% |
Max Drawdown (5Y)Largest decline over 5 years | -20.94% | -14.63% | -6.31% |
Max Drawdown (10Y)Largest decline over 10 years | -34.85% | -15.96% | -18.89% |
Current DrawdownCurrent decline from peak | -5.13% | -3.79% | -1.34% |
Average DrawdownAverage peak-to-trough decline | -6.03% | -3.37% | -2.66% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.74% | 0.99% | +0.75% |
Volatility
TIBAX vs. RMDFX - Volatility Comparison
Thornburg Investment Income Builder Fund (TIBAX) has a higher volatility of 3.19% compared to Aspiriant Defensive Allocation Fund (RMDFX) at 1.99%. This indicates that TIBAX's price experiences larger fluctuations and is considered to be riskier than RMDFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TIBAX | RMDFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.19% | 1.99% | +1.20% |
Volatility (6M)Calculated over the trailing 6-month period | 6.35% | 3.83% | +2.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.70% | 5.01% | +5.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 11.04% | 6.34% | +4.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.43% | 6.20% | +7.23% |