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BBMIX vs. BBBMX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BBMIX vs. BBBMX

Last updated Jun 24, 2026

BBMIX (BBH Select Series - Mid Cap Fund) and BBBMX (BBH Limited Duration Fund Class N) are both mutual funds - BBMIX is a Mid Cap Growth Equities fund managed by BBH, while BBBMX is a Ultrashort Bond fund actively managed by BBH. Over the past 5 years, BBMIX returned 2.80%/yr vs 3.89%/yr for BBBMX. At a 0.16 correlation, their price movements are largely independent. BBMIX charges 0.90%/yr vs 0.35%/yr for BBBMX.

Performance

BBMIX vs. BBBMX - Performance Comparison

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

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Returns By Period

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

BBMIX

1D
0.00%
1M
0.00%
YTD
2.86%
6M
2.86%
1Y
-1.46%
3Y*
6.50%
5Y*
2.80%
10Y*
—

BBBMX

1D
0.00%
1M
0.25%
YTD
1.23%
6M
1.64%
1Y
4.52%
3Y*
6.13%
5Y*
3.89%
10Y*
3.35%
*Multi-year figures are annualized to reflect compound growth (CAGR)

BBMIX vs. BBBMX - Yearly Performance Comparison

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

Correlation

The correlation between BBMIX and BBBMX 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

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BBH Select Series - Mid Cap Fund

BBH Limited Duration Fund Class N

Often compared with BBMIX:
BBMIX vs. BBIIXBBMIX vs. BBNIXBBMIX vs. BBHLXBBMIX vs. BARAXBBMIX vs. BBLIXBBMIX vs. BARIXBBMIX vs. BBBIX
Often compared with BBBMX:
BBBMX vs. FHCOXBBBMX vs. BBBIXBBBMX vs. BBNIXBBBMX vs. BBIIXBBBMX vs. AGGBBBMX vs. FIWDXBBBMX vs. SHY

Return for Risk

BBMIX vs. BBBMX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BBMIX
BBMIX Risk / Return Rank: 33
Overall Rank
BBMIX Sharpe Ratio Rank: 33
Sharpe Ratio Rank
BBMIX Sortino Ratio Rank: 33
Sortino Ratio Rank
BBMIX Omega Ratio Rank: 33
Omega Ratio Rank
BBMIX Calmar Ratio Rank: 33
Calmar Ratio Rank
BBMIX Martin Ratio Rank: 33
Martin Ratio Rank
BBBMX
BBBMX Risk / Return Rank: 9797
Overall Rank
BBBMX Sharpe Ratio Rank: 9191
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: 9898
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.

BBMIX vs. BBBMX - Risk-Adjusted Trends Comparison

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

BBMIXBBBMXDifference
Sharpe ratioReturn per unit of total volatility
-0.01
2.81

-2.82

Sortino ratioReturn per unit of downside risk
0.07
8.00

-7.94

Omega ratioGain probability vs. loss probability

1.01

2.46

-1.45

Calmar ratioReturn relative to maximum drawdown

-0.01

7.96

-7.97

Martin ratioReturn relative to average drawdown

-0.02

37.21

-37.22

BBMIX vs. BBBMX - Sharpe Ratio Comparison

The current BBMIX Sharpe Ratio is -0.01, which is lower than the BBBMX Sharpe Ratio of 2.81. The chart below compares the historical Sharpe Ratios of BBMIX and BBBMX, 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

BBMIX vs. BBBMX - Drawdown Comparison

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

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Drawdown Indicators

BBMIXBBBMXDifference

Max Drawdown

Largest peak-to-trough decline

-28.90%

-6.50%

-22.40%

Max Drawdown (1Y)

Largest decline over 1 year

-8.89%

-0.57%

-8.32%

Max Drawdown (3Y)

Largest decline over 3 years

-23.79%

-0.57%

-23.22%

Max Drawdown (5Y)

Largest decline over 5 years

-28.90%

-3.18%

-25.72%

Max Drawdown (10Y)

Largest decline over 10 years

—

-6.50%

—

Current Drawdown

Current decline from peak

-11.28%

-0.19%

-11.09%

Average Drawdown

Average peak-to-trough decline

-10.51%

-0.57%

-9.94%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.30%

0.12%

+5.18%

Volatility

BBMIX vs. BBBMX - Volatility Comparison

The current volatility for BBH Select Series - Mid Cap Fund (BBMIX) is 0.00%, while BBH Limited Duration Fund Class N (BBBMX) has a volatility of 0.49%. This indicates that BBMIX experiences smaller price fluctuations and is considered to be less risky than BBBMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BBMIXBBBMXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.00%

0.49%

-0.49%

Volatility (6M)

Calculated over the trailing 6-month period

6.04%

1.21%

+4.83%

Volatility (1Y)

Calculated over the trailing 1-year period

11.14%

1.62%

+9.52%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

19.70%

1.56%

+18.14%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

19.57%

1.48%

+18.09%

BBMIX vs. BBBMX - Expense Ratio Comparison

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

Dividends

BBMIX vs. BBBMX - Dividend Comparison

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

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

BBMIX and BBBMX 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, BBMIX dropped -28.90% vs BBBMX's -6.50%.

BBBMX currently has the higher Sharpe Ratio (2.81 vs -0.01), 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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