BBBIX vs. TRSTX
BBBIX (BBH Limited Duration Fund) and TRSTX (T. Rowe Price Ultra Short-Term Bond Fund Class I) are both Ultrashort Bond funds. Over the past 5 years, BBBIX returned 4.02%/yr vs 3.58%/yr for TRSTX. At a 0.40 correlation, their price movements are largely independent. BBBIX charges 0.27%/yr vs 0.20%/yr for TRSTX.
Performance
BBBIX vs. TRSTX - Performance Comparison
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Returns By Period
In the year-to-date period, BBBIX achieves a 1.75% return, which is significantly higher than TRSTX's 1.64% return.
BBBIX
- 1D
- 0.00%
- 1M
- 0.39%
- 6M
- 1.75%
- YTD
- 1.75%
- 1Y
- 4.58%
- 3Y*
- 6.22%
- 5Y*
- 4.02%
- 10Y*
- 3.45%
TRSTX
- 1D
- 0.00%
- 1M
- 0.37%
- 6M
- 1.64%
- YTD
- 1.64%
- 1Y
- 4.29%
- 3Y*
- 5.54%
- 5Y*
- 3.58%
- 10Y*
- —
BBBIX vs. TRSTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
BBBIX BBH Limited Duration Fund | 1.75% | 5.62% | 6.79% | 7.63% | -1.42% | 1.06% | 2.85% | 4.39% | 1.61% |
TRSTX T. Rowe Price Ultra Short-Term Bond Fund Class I | 1.64% | 5.34% | 6.41% | 5.89% | -1.20% | 0.29% | 3.19% | 3.65% | 1.60% |
Correlation
The correlation between BBBIX and TRSTX is 0.10, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.10 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.36 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.40 |
Correlation (All Time) Calculated using the full available price history since Apr 30, 2018 | 0.40 |
Over the past year, the correlation between BBBIX and TRSTX has dropped to 0.10 - well below their long-term average of 0.40, suggesting their price drivers have been diverging.
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Return for Risk
BBBIX vs. TRSTX — Risk / Return Rank
BBBIX
TRSTX
BBBIX vs. TRSTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BBH Limited Duration Fund (BBBIX) and T. Rowe Price Ultra Short-Term Bond Fund Class I (TRSTX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BBBIX | TRSTX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | -1.61 | ||
| Omega ratioGain probability vs. loss probability | 2.21 | 4.58 | -2.37 |
| Calmar ratioReturn relative to maximum drawdown | 7.88 | 22.59 | -14.71 |
| Martin ratioReturn relative to average drawdown | 34.30 | 51.00 | -16.70 |
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Drawdowns
BBBIX vs. TRSTX - Drawdown Comparison
The maximum BBBIX drawdown since its inception was -6.60%, which is greater than TRSTX's maximum drawdown of -4.34%. Use the drawdown chart below to compare losses from any high point for BBBIX and TRSTX.
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Drawdown Indicators
| BBBIX | TRSTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.60% | -4.34% | -2.26% |
Max Drawdown (1Y)Largest decline over 1 year | -0.57% | -0.20% | -0.37% |
Max Drawdown (3Y)Largest decline over 3 years | -0.57% | -0.59% | +0.02% |
Max Drawdown (5Y)Largest decline over 5 years | -3.16% | -2.58% | -0.58% |
Max Drawdown (10Y)Largest decline over 10 years | -6.60% | — | — |
Current DrawdownCurrent decline from peak | -0.10% | 0.00% | -0.10% |
Average DrawdownAverage peak-to-trough decline | -0.46% | -0.30% | -0.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.13% | 0.09% | +0.04% |
Volatility
BBBIX vs. TRSTX - Volatility Comparison
BBH Limited Duration Fund (BBBIX) has a higher volatility of 0.46% compared to T. Rowe Price Ultra Short-Term Bond Fund Class I (TRSTX) at 0.37%. This indicates that BBBIX's price experiences larger fluctuations and is considered to be riskier than TRSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BBBIX | TRSTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.46% | 0.37% | +0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 1.06% | 1.07% | -0.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.53% | 1.49% | +0.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.56% | 1.65% | -0.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.48% | 1.62% | -0.14% |
BBBIX vs. TRSTX - Expense Ratio Comparison
BBBIX has a 0.27% expense ratio, which is higher than TRSTX's 0.20% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
BBBIX vs. TRSTX - Dividend Comparison
BBBIX's dividend yield for the trailing twelve months is around 4.58%, more than TRSTX's 4.20% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BBBIX BBH Limited Duration Fund | 4.58% | 4.68% | 4.88% | 4.31% | 1.84% | 1.35% | 2.09% | 3.01% | 2.66% | 2.09% | 2.23% | 2.08% |
TRSTX T. Rowe Price Ultra Short-Term Bond Fund Class I | 4.20% | 4.79% | 5.19% | 3.46% | 1.61% | 1.28% | 1.94% | 2.78% | 1.98% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
BBBIX and TRSTX have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BBBIX has higher volatility (0.46%) compared to TRSTX (0.37%). In terms of maximum drawdown, BBBIX dropped -6.60% vs TRSTX's -4.34%.
TRSTX currently has the higher Sharpe Ratio (2.97 vs 2.94), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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