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BBBMX vs. BBMIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BBBMX vs. BBMIX

Last updated Jun 25, 2026

BBBMX (BBH Limited Duration Fund Class N) and BBMIX (BBH Select Series - Mid Cap Fund) are both mutual funds - BBBMX is a Ultrashort Bond fund actively managed by BBH, while BBMIX is a Mid Cap Growth Equities fund managed by BBH. Over the past 5 years, BBBMX returned 3.89%/yr vs 2.66%/yr for BBMIX. At a 0.16 correlation, their price movements are largely independent. BBBMX charges 0.35%/yr vs 0.90%/yr for BBMIX.

Performance

BBBMX vs. BBMIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BBH Limited Duration Fund Class N (BBBMX) and BBH Select Series - Mid Cap Fund (BBMIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, BBBMX achieves a 1.23% return, which is significantly lower than BBMIX's 2.86% return.

BBBMX

1D
0.00%
1M
0.25%
YTD
1.23%
6M
1.64%
1Y
4.42%
3Y*
6.13%
5Y*
3.89%
10Y*
3.35%

BBMIX

1D
0.00%
1M
0.00%
YTD
2.86%
6M
2.86%
1Y
-2.21%
3Y*
6.50%
5Y*
2.66%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

BBBMX vs. BBMIX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
BBBMX
BBH Limited Duration Fund Class N		1.23%5.54%6.81%7.44%-1.48%0.29%
BBMIX
BBH Select Series - Mid Cap Fund		2.86%-6.45%11.41%26.01%-24.76%13.50%

Correlation

The correlation between BBBMX and BBMIX is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.13

Correlation (3Y)
Calculated over the trailing 3-year period

0.14

Correlation (5Y)
Calculated over the trailing 5-year period

0.17

Correlation (All Time)
Calculated using the full available price history since May 24, 2021

0.16

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

BBH Limited Duration Fund Class N

BBH Select Series - Mid Cap Fund

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Often compared with BBMIX:
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Return for Risk

BBBMX vs. BBMIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BBBMX
BBBMX Risk / Return Rank: 9797
Overall Rank
BBBMX Sharpe Ratio Rank: 9292
Sharpe Ratio Rank
BBBMX Sortino Ratio Rank: 9999
Sortino Ratio Rank
BBBMX Omega Ratio Rank: 9898
Omega Ratio Rank
BBBMX Calmar Ratio Rank: 9898
Calmar Ratio Rank
BBBMX Martin Ratio Rank: 9999
Martin Ratio Rank
BBMIX
BBMIX Risk / Return Rank: 22
Overall Rank
BBMIX Sharpe Ratio Rank: 22
Sharpe Ratio Rank
BBMIX Sortino Ratio Rank: 22
Sortino Ratio Rank
BBMIX Omega Ratio Rank: 22
Omega Ratio Rank
BBMIX Calmar Ratio Rank: 22
Calmar Ratio Rank
BBMIX Martin Ratio Rank: 22
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BBBMX vs. BBMIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BBH Limited Duration Fund Class N (BBBMX) and BBH Select Series - Mid Cap Fund (BBMIX). 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.

BBBMXBBMIXDifference
Sharpe ratioReturn per unit of total volatility
2.81
-0.17

+2.98

Sortino ratioReturn per unit of downside risk
8.00
-0.16

+8.17

Omega ratioGain probability vs. loss probability

2.46

0.97

+1.48

Calmar ratioReturn relative to maximum drawdown

7.96

-0.21

+8.16

Martin ratioReturn relative to average drawdown

37.03

-0.31

+37.34

BBBMX vs. BBMIX - Sharpe Ratio Comparison

The current BBBMX Sharpe Ratio is 2.81, which is higher than the BBMIX Sharpe Ratio of -0.17. The chart below compares the historical Sharpe Ratios of BBBMX and BBMIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

BBBMX vs. BBMIX - Drawdown Comparison

The maximum BBBMX drawdown since its inception was -6.50%, smaller than the maximum BBMIX drawdown of -28.90%. Use the drawdown chart below to compare losses from any high point for BBBMX and BBMIX.

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Drawdown Indicators

BBBMXBBMIXDifference

Max Drawdown

Largest peak-to-trough decline

-6.50%

-28.90%

+22.40%

Max Drawdown (1Y)

Largest decline over 1 year

-0.57%

-8.89%

+8.32%

Max Drawdown (3Y)

Largest decline over 3 years

-0.57%

-23.79%

+23.22%

Max Drawdown (5Y)

Largest decline over 5 years

-3.18%

-28.90%

+25.72%

Max Drawdown (10Y)

Largest decline over 10 years

-6.50%

—

—

Current Drawdown

Current decline from peak

-0.19%

-11.28%

+11.09%

Average Drawdown

Average peak-to-trough decline

-0.57%

-10.51%

+9.94%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.12%

5.31%

-5.19%

Volatility

BBBMX vs. BBMIX - Volatility Comparison

BBH Limited Duration Fund Class N (BBBMX) has a higher volatility of 0.49% compared to BBH Select Series - Mid Cap Fund (BBMIX) at 0.00%. This indicates that BBBMX's price experiences larger fluctuations and is considered to be riskier than BBMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BBBMXBBMIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.49%

0.00%

+0.49%

Volatility (6M)

Calculated over the trailing 6-month period

1.21%

6.04%

-4.83%

Volatility (1Y)

Calculated over the trailing 1-year period

1.62%

11.11%

-9.49%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

1.56%

19.70%

-18.14%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

1.48%

19.56%

-18.08%

BBBMX vs. BBMIX - Expense Ratio Comparison

BBBMX has a 0.35% expense ratio, which is lower than BBMIX's 0.90% expense ratio.

Dividends

BBBMX vs. BBMIX - Dividend Comparison

BBBMX's dividend yield for the trailing twelve months is around 4.53%, while BBMIX has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
BBBMX
BBH Limited Duration Fund Class N		4.53%4.60%4.80%4.23%1.78%1.29%2.03%2.93%2.57%1.99%2.00%1.72%
BBMIX
BBH Select Series - Mid Cap Fund		0.00%0.00%0.32%0.10%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

BBBMX and BBMIX have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BBBMX has higher volatility (0.49%) compared to BBMIX (0.00%). In terms of maximum drawdown, BBBMX dropped -6.50% vs BBMIX's -28.90%.

BBBMX currently has the higher Sharpe Ratio (2.81 vs -0.17), 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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