BIASX vs. BIAFX

Last updated Jun 4, 2026

BIASX (Brown Advisory Small-Cap Growth Fund) and BIAFX (Brown Advisory Flexible Equity Fund) are both mutual funds - BIASX is a Small Cap Growth Equities fund managed by Brown Advisory Funds, while BIAFX is a Large Cap Growth Equities fund managed by Brown Advisory Funds. Over the past 10 years, BIASX returned 9.21%/yr vs 15.37%/yr for BIAFX. Their correlation of 0.84 suggests significant overlap in exposure. BIASX charges 1.11%/yr vs 0.68%/yr for BIAFX.

Performance

BIASX vs. BIAFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Brown Advisory Small-Cap Growth Fund (BIASX) and Brown Advisory Flexible Equity Fund (BIAFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BIASX achieves a 10.70% return, which is significantly higher than BIAFX's 5.43% return. Over the past 10 years, BIASX has underperformed BIAFX with an annualized return of 9.21%, while BIAFX has yielded a comparatively higher 15.37% annualized return.

BIASX

• 1D: 0.14%
• 1M: 4.85%
• YTD: 10.70%
• 6M: 10.52%
• 1Y: 16.57%
• 3Y*: 7.69%
• 5Y*: 1.58%
• 10Y*: 9.21%

BIAFX

• 1D: -0.13%
• 1M: 2.23%
• YTD: 5.43%
• 6M: 6.43%
• 1Y: 13.78%
• 3Y*: 18.63%
• 5Y*: 10.52%
• 10Y*: 15.37%

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

BIASX vs. BIAFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BIASX Brown Advisory Small-Cap Growth Fund	10.70%	2.29%	4.29%	12.43%	-20.27%	7.31%	31.78%	36.26%	-4.47%	16.91%
BIAFX Brown Advisory Flexible Equity Fund	5.43%	9.74%	23.72%	34.52%	-21.07%	24.95%	19.89%	42.29%	-4.15%	24.12%

Correlation

The correlation between BIASX and BIAFX is 0.74, 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	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.83
Correlation (All Time) Calculated using the full available price history since Dec 5, 2006	0.84

The correlation between BIASX and BIAFX shifts across timeframes, from 0.74 (1 year) to 0.84 (all time), reflecting how their relationship changes across market environments.

Return for Risk

BIASX vs. BIAFX — Risk / Return Rank

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

BIASX

BIASX Risk / Return Rank: 18
BIASX Sharpe Ratio Rank: 15
BIASX Sortino Ratio Rank: 16
BIASX Omega Ratio Rank: 14
BIASX Calmar Ratio Rank: 21
BIASX Martin Ratio Rank: 24

BIAFX

BIAFX Risk / Return Rank: 14
BIAFX Sharpe Ratio Rank: 15
BIAFX Sortino Ratio Rank: 14
BIAFX Omega Ratio Rank: 15
BIAFX Calmar Ratio Rank: 11
BIAFX Martin Ratio Rank: 14

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.

BIASX vs. BIAFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Brown Advisory Small-Cap Growth Fund (BIASX) and Brown Advisory Flexible Equity Fund (BIAFX). 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.

	BIASX	BIAFX	Difference
Sharpe ratio: Return per unit of total volatility	1.08	1.09	0.00
Sortino ratio: Return per unit of downside risk	1.66	1.56	+0.10
Omega ratio: Gain probability vs. loss probability	1.19	1.20	-0.01
Calmar ratio: Return relative to maximum drawdown	1.69	1.08	+0.60
Martin ratio: Return relative to average drawdown	6.00	3.90	+2.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BIASX vs. BIAFX - Sharpe Ratio Comparison

The current BIASX Sharpe Ratio is 1.08, which is comparable to the BIAFX Sharpe Ratio of 1.09. The chart below compares the historical Sharpe Ratios of BIASX and BIAFX, 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

	BIASX	BIAFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.08	1.09	0.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.08	0.59	-0.51
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.80	-0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.30	0.50	-0.20

Drawdowns

BIASX vs. BIAFX - Drawdown Comparison

The maximum BIASX drawdown since its inception was -73.26%, which is greater than BIAFX's maximum drawdown of -60.32%. Use the drawdown chart below to compare losses from any high point for BIASX and BIAFX.

Drawdown Indicators

	BIASX	BIAFX	Difference
Max Drawdown Largest peak-to-trough decline	-73.26%	-60.32%	-12.94%
Max Drawdown (1Y) Largest decline over 1 year	-10.93%	-13.10%	+2.17%
Max Drawdown (3Y) Largest decline over 3 years	-24.98%	-17.99%	-6.99%
Max Drawdown (5Y) Largest decline over 5 years	-30.61%	-27.44%	-3.17%
Max Drawdown (10Y) Largest decline over 10 years	-38.04%	-35.49%	-2.55%
Current Drawdown Current decline from peak	-0.33%	-0.13%	-0.20%
Average Drawdown Average peak-to-trough decline	-23.48%	-10.15%	-13.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.07%	3.63%	-0.56%

Volatility

BIASX vs. BIAFX - Volatility Comparison

Brown Advisory Small-Cap Growth Fund (BIASX) has a higher volatility of 4.55% compared to Brown Advisory Flexible Equity Fund (BIAFX) at 2.68%. This indicates that BIASX's price experiences larger fluctuations and is considered to be riskier than BIAFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BIASX	BIAFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.55%	2.68%	+1.87%
Volatility (6M) Calculated over the trailing 6-month period	12.44%	10.04%	+2.40%
Volatility (1Y) Calculated over the trailing 1-year period	17.07%	13.08%	+3.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.79%	17.83%	+1.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.94%	19.18%	+0.76%

BIASX vs. BIAFX - Expense Ratio Comparison

BIASX has a 1.11% expense ratio, which is higher than BIAFX's 0.68% expense ratio.

Dividends

BIASX vs. BIAFX - Dividend Comparison

BIASX's dividend yield for the trailing twelve months is around 17.72%, more than BIAFX's 5.51% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BIAFX Brown Advisory Flexible Equity Fund	5.51%	5.81%	4.81%	2.67%	3.71%	3.75%	3.16%	8.65%	4.15%	0.42%	0.44%	0.58%
BIASX Brown Advisory Small-Cap Growth Fund	17.72%	19.62%	5.78%	0.00%	8.22%	13.22%	0.78%	4.00%	5.17%	1.69%	3.50%	16.77%

Frequently Asked Questions

Can I hold both BIASX and BIAFX in my portfolio?

BIASX and BIAFX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BIASX or BIAFX?

BIASX has higher volatility (4.55%) compared to BIAFX (2.68%). In terms of maximum drawdown, BIASX dropped -73.26% vs BIAFX's -60.32%.

Which has better risk-adjusted returns?

BIAFX currently has the higher Sharpe Ratio (1.09 vs 1.08), 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.