BIAZX vs. BITEX

Last updated Jun 3, 2026

BIAZX (Brown Advisory Mortgage Securities Fund) and BITEX (Brown Advisory Tax-Exempt Sustainable Bond Fund) are both mutual funds - BIAZX is a Government Bonds fund managed by Brown Advisory Funds, while BITEX is a Municipal Bonds fund managed by Brown Advisory Funds. Over the past 5 years, BIAZX returned 0.37%/yr vs 0.55%/yr for BITEX. At a 0.48 correlation, their price movements are largely independent. Both charge a 0.49% expense ratio.

Performance

BIAZX vs. BITEX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Brown Advisory Mortgage Securities Fund (BIAZX) and Brown Advisory Tax-Exempt Sustainable Bond Fund (BITEX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BIAZX achieves a 0.55% return, which is significantly lower than BITEX's 1.33% return.

BIAZX

• 1D: -0.11%
• 1M: 0.03%
• YTD: 0.55%
• 6M: 0.76%
• 1Y: 6.46%
• 3Y*: 4.09%
• 5Y*: 0.37%
• 10Y*: 1.57%

BITEX

• 1D: 0.00%
• 1M: 0.52%
• YTD: 1.33%
• 6M: 1.86%
• 1Y: 6.41%
• 3Y*: 3.55%
• 5Y*: 0.55%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

BIAZX vs. BITEX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BIAZX Brown Advisory Mortgage Securities Fund	0.55%	7.99%	1.28%	4.34%	-10.64%	-0.30%	5.49%	-0.13%
BITEX Brown Advisory Tax-Exempt Sustainable Bond Fund	1.33%	4.27%	2.02%	4.35%	-9.40%	2.21%	2.08%	0.19%

Correlation

The correlation between BIAZX and BITEX is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (All Time) Calculated using the full available price history since Dec 3, 2019	0.48

The correlation between BIAZX and BITEX has been stable across timeframes, ranging from 0.48 to 0.54 - a consistent structural relationship.

Return for Risk

BIAZX vs. BITEX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BIAZX

BIAZX Risk / Return Rank: 29
BIAZX Sharpe Ratio Rank: 28
BIAZX Sortino Ratio Rank: 30
BIAZX Omega Ratio Rank: 28
BIAZX Calmar Ratio Rank: 29
BIAZX Martin Ratio Rank: 29

BITEX

BITEX Risk / Return Rank: 68
BITEX Sharpe Ratio Rank: 80
BITEX Sortino Ratio Rank: 89
BITEX Omega Ratio Rank: 91
BITEX Calmar Ratio Rank: 42
BITEX Martin Ratio Rank: 40

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.

BIAZX vs. BITEX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Brown Advisory Mortgage Securities Fund (BIAZX) and Brown Advisory Tax-Exempt Sustainable Bond Fund (BITEX). 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.

	BIAZX	BITEX	Difference
Sharpe ratio Return per unit of total volatility	1.54	2.59	-1.05
Sortino ratio Return per unit of downside risk	2.30	4.27	-1.98
Omega ratio Gain probability vs. loss probability	1.28	1.66	-0.38
Calmar ratio Return relative to maximum drawdown	2.07	2.50	-0.43
Martin ratio Return relative to average drawdown	7.04	8.61	-1.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BIAZX vs. BITEX - Sharpe Ratio Comparison

The current BIAZX Sharpe Ratio is 1.54, which is lower than the BITEX Sharpe Ratio of 2.59. The chart below compares the historical Sharpe Ratios of BIAZX and BITEX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BIAZX	BITEX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.54	2.59	-1.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.06	0.17	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.35	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.24	+0.25

Drawdowns

BIAZX vs. BITEX - Drawdown Comparison

The maximum BIAZX drawdown since its inception was -15.95%, which is greater than BITEX's maximum drawdown of -13.06%. Use the drawdown chart below to compare losses from any high point for BIAZX and BITEX.

Drawdown Indicators

	BIAZX	BITEX	Difference
Max Drawdown Largest peak-to-trough decline	-15.95%	-13.06%	-2.89%
Max Drawdown (1Y) Largest decline over 1 year	-3.14%	-2.60%	-0.54%
Max Drawdown (3Y) Largest decline over 3 years	-7.02%	-4.76%	-2.26%
Max Drawdown (5Y) Largest decline over 5 years	-15.95%	-13.06%	-2.89%
Max Drawdown (10Y) Largest decline over 10 years	-15.95%	—	—
Current Drawdown Current decline from peak	-1.60%	-0.54%	-1.06%
Average Drawdown Average peak-to-trough decline	-2.85%	-4.55%	+1.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.92%	0.75%	+0.17%

Volatility

BIAZX vs. BITEX - Volatility Comparison

Brown Advisory Mortgage Securities Fund (BIAZX) has a higher volatility of 1.51% compared to Brown Advisory Tax-Exempt Sustainable Bond Fund (BITEX) at 0.92%. This indicates that BIAZX's price experiences larger fluctuations and is considered to be riskier than BITEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BIAZX	BITEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.51%	0.92%	+0.59%
Volatility (6M) Calculated over the trailing 6-month period	2.89%	1.87%	+1.02%
Volatility (1Y) Calculated over the trailing 1-year period	4.06%	2.44%	+1.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.81%	3.28%	+2.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.44%	4.04%	+0.40%

BIAZX vs. BITEX - Expense Ratio Comparison

Both BIAZX and BITEX have an expense ratio of 0.49%.

Dividends

BIAZX vs. BITEX - Dividend Comparison

BIAZX's dividend yield for the trailing twelve months is around 4.52%, more than BITEX's 3.51% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BIAZX Brown Advisory Mortgage Securities Fund	4.52%	4.43%	4.43%	3.65%	2.33%	0.75%	0.98%	2.12%	2.77%	2.03%	2.82%	3.59%
BITEX Brown Advisory Tax-Exempt Sustainable Bond Fund	3.51%	3.25%	3.32%	2.78%	1.25%	2.00%	1.45%	0.09%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BIAZX and BITEX in my portfolio?

BIAZX and BITEX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BIAZX or BITEX?

BIAZX has higher volatility (1.51%) compared to BITEX (0.92%). In terms of maximum drawdown, BIAZX dropped -15.95% vs BITEX's -13.06%.

Which has better risk-adjusted returns?

BITEX currently has the higher Sharpe Ratio (2.59 vs 1.54), 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.