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BBBMX vs. BBMIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BBBMX vs. BBMIX

Last updated Jul 15, 2026
Documentation

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 3.94%/yr vs 2.45%/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.

Loading charts...

Returns By Period

In the year-to-date period, BBBMX achieves a 1.62% return, which is significantly lower than BBMIX's 2.86% return.

BBBMX

1D
0.00%
1M
0.29%
6M
1.62%
YTD
1.62%
1Y
4.40%
3Y*
6.07%
5Y*
3.94%
10Y*
3.35%

BBMIX

1D
0.00%
1M
0.00%
6M
2.86%
YTD
2.86%
1Y
-3.93%
3Y*
4.60%
5Y*
2.45%
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		1.62%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 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

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

0.11

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

0.13

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:
BBMIX vs. BBIIXBBMIX vs. BBNIXBBMIX vs. BBHLXBBMIX vs. BARAXBBMIX vs. BBLIXBBMIX vs. BARIXBBMIX vs. BBBIX

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: 9898
Overall Rank
BBBMX Sharpe Ratio Rank: 9595
Sharpe Ratio Rank
BBBMX Sortino Ratio Rank: 9999
Sortino Ratio Rank
BBBMX Omega Ratio Rank: 9999
Omega Ratio Rank
BBBMX Calmar Ratio Rank: 9898
Calmar Ratio Rank
BBBMX Martin Ratio Rank: 9999
Martin Ratio Rank
BBMIX
BBMIX Risk / Return Rank: 11
Overall Rank
BBMIX Sharpe Ratio Rank: 11
Sharpe Ratio Rank
BBMIX Sortino Ratio Rank: 11
Sortino Ratio Rank
BBMIX Omega Ratio Rank: 11
Omega Ratio Rank
BBMIX Calmar Ratio Rank: 11
Calmar Ratio Rank
BBMIX Martin Ratio Rank: 11
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
2.75
-0.45

+3.20

Sortino ratioReturn per unit of downside risk
7.80
-0.59

+8.39

Omega ratioGain probability vs. loss probability

2.42

0.90

+1.51

Calmar ratioReturn relative to maximum drawdown

7.75

-0.55

+8.29

Martin ratioReturn relative to average drawdown

36.26

-0.80

+37.06

BBBMX vs. BBMIX - Sharpe Ratio Comparison

The current BBBMX Sharpe Ratio is 2.75, which is higher than the BBMIX Sharpe Ratio of -0.45. 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

-0.10%

-11.28%

+11.18%

Average Drawdown

Average peak-to-trough decline

-0.57%

-10.52%

+9.95%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.12%

5.47%

-5.35%

Volatility

BBBMX vs. BBMIX - Volatility Comparison

BBH Limited Duration Fund Class N (BBBMX) has a higher volatility of 0.43% 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

0.43%

0.00%

+0.43%

Volatility (6M)

Calculated over the trailing 6-month period

1.21%

4.55%

-3.34%

Volatility (1Y)

Calculated over the trailing 1-year period

1.61%

10.71%

-9.10%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

1.57%

19.67%

-18.10%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

1.48%

19.46%

-17.98%

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 4.51%, while BBMIX has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
BBBMX
BBH Limited Duration Fund Class N		4.51%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 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BBBMX has higher volatility (0.43%) 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 (2.75 vs -0.45), 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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