BIAWX vs. REBYX

Last updated Jun 5, 2026

BIAWX (Brown Advisory Sustainable Growth Fund) and REBYX (Russell Investments U.S. Small Cap Equity Fund) are both mutual funds - BIAWX is a Large Cap Growth Equities fund managed by Brown Advisory Funds, while REBYX is a Small Cap Blend Equities fund managed by Russell. Over the past 10 years, BIAWX returned 15.41%/yr vs 9.26%/yr for REBYX. A 0.72 correlation means they provide meaningful diversification when combined. BIAWX charges 0.78%/yr vs 0.90%/yr for REBYX.

Performance

BIAWX vs. REBYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Brown Advisory Sustainable Growth Fund (BIAWX) and Russell Investments U.S. Small Cap Equity Fund (REBYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BIAWX achieves a 5.07% return, which is significantly lower than REBYX's 16.13% return. Over the past 10 years, BIAWX has outperformed REBYX with an annualized return of 15.41%, while REBYX has yielded a comparatively lower 9.26% annualized return.

BIAWX

• 1D: -1.80%
• 1M: 7.85%
• YTD: 5.07%
• 6M: 3.96%
• 1Y: 7.57%
• 3Y*: 14.48%
• 5Y*: 9.02%
• 10Y*: 15.41%

REBYX

• 1D: -0.93%
• 1M: 0.99%
• YTD: 16.13%
• 6M: 15.52%
• 1Y: 35.19%
• 3Y*: 14.76%
• 5Y*: 5.99%
• 10Y*: 9.26%

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

BIAWX vs. REBYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BIAWX Brown Advisory Sustainable Growth Fund	5.07%	3.18%	20.20%	38.88%	-31.02%	29.83%	38.88%	35.93%	4.36%	27.89%
REBYX Russell Investments U.S. Small Cap Equity Fund	16.13%	8.86%	8.16%	13.81%	-16.14%	26.28%	13.04%	23.74%	-12.22%	2.12%

Correlation

The correlation between BIAWX and REBYX is 0.65, 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	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.70
Correlation (10Y) Calculated over the trailing 10-year period	0.68
Correlation (All Time) Calculated using the full available price history since Jul 2, 2012	0.72

The correlation between BIAWX and REBYX has been stable across timeframes, ranging from 0.64 to 0.72 - a consistent structural relationship.

Return for Risk

BIAWX vs. REBYX — Risk / Return Rank

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

BIAWX

BIAWX Risk / Return Rank: 6
BIAWX Sharpe Ratio Rank: 6
BIAWX Sortino Ratio Rank: 6
BIAWX Omega Ratio Rank: 6
BIAWX Calmar Ratio Rank: 5
BIAWX Martin Ratio Rank: 5

REBYX

REBYX Risk / Return Rank: 57
REBYX Sharpe Ratio Rank: 46
REBYX Sortino Ratio Rank: 45
REBYX Omega Ratio Rank: 40
REBYX Calmar Ratio Rank: 83
REBYX Martin Ratio Rank: 69

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.

BIAWX vs. REBYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Brown Advisory Sustainable Growth Fund (BIAWX) and Russell Investments U.S. Small Cap Equity Fund (REBYX). 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.

	BIAWX	REBYX	Difference
Sharpe ratio: Return per unit of total volatility	0.49	1.97	-1.48
Sortino ratio: Return per unit of downside risk	0.77	2.84	-2.06
Omega ratio: Gain probability vs. loss probability	1.10	1.34	-0.24
Calmar ratio: Return relative to maximum drawdown	0.41	3.83	-3.42
Martin ratio: Return relative to average drawdown	1.06	13.24	-12.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BIAWX vs. REBYX - Sharpe Ratio Comparison

The current BIAWX Sharpe Ratio is 0.49, which is lower than the REBYX Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of BIAWX and REBYX, 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

	BIAWX	REBYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.49	1.97	-1.48
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.40	0.26	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.72	0.39	+0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.78	0.33	+0.45

Drawdowns

BIAWX vs. REBYX - Drawdown Comparison

The maximum BIAWX drawdown since its inception was -36.94%, smaller than the maximum REBYX drawdown of -62.03%. Use the drawdown chart below to compare losses from any high point for BIAWX and REBYX.

Drawdown Indicators

	BIAWX	REBYX	Difference
Max Drawdown Largest peak-to-trough decline	-36.94%	-62.03%	+25.09%
Max Drawdown (1Y) Largest decline over 1 year	-19.97%	-9.16%	-10.81%
Max Drawdown (3Y) Largest decline over 3 years	-25.06%	-32.68%	+7.62%
Max Drawdown (5Y) Largest decline over 5 years	-36.94%	-32.68%	-4.26%
Max Drawdown (10Y) Largest decline over 10 years	-36.94%	-44.79%	+7.85%
Current Drawdown Current decline from peak	-1.96%	-1.16%	-0.80%
Average Drawdown Average peak-to-trough decline	-5.74%	-11.17%	+5.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.67%	2.65%	+5.02%

Volatility

BIAWX vs. REBYX - Volatility Comparison

Brown Advisory Sustainable Growth Fund (BIAWX) and Russell Investments U.S. Small Cap Equity Fund (REBYX) have volatilities of 4.99% and 5.04%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BIAWX	REBYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.99%	5.04%	-0.05%
Volatility (6M) Calculated over the trailing 6-month period	13.27%	12.44%	+0.83%
Volatility (1Y) Calculated over the trailing 1-year period	16.65%	17.87%	-1.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.63%	22.77%	-0.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.50%	23.52%	-2.02%

BIAWX vs. REBYX - Expense Ratio Comparison

BIAWX has a 0.78% expense ratio, which is lower than REBYX's 0.90% expense ratio.

Dividends

BIAWX vs. REBYX - Dividend Comparison

BIAWX's dividend yield for the trailing twelve months is around 23.34%, more than REBYX's 7.13% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BIAWX Brown Advisory Sustainable Growth Fund	23.34%	24.52%	5.34%	0.00%	0.00%	1.85%	0.00%	1.50%	3.75%	1.71%	0.72%	4.76%
REBYX Russell Investments U.S. Small Cap Equity Fund	7.13%	8.28%	13.03%	2.64%	5.30%	31.12%	0.64%	4.46%	18.61%	0.33%	0.88%	8.23%

Frequently Asked Questions

Can I hold both BIAWX and REBYX in my portfolio?

BIAWX and REBYX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BIAWX or REBYX?

REBYX has higher volatility (5.04%) compared to BIAWX (4.99%). In terms of maximum drawdown, BIAWX dropped -36.94% vs REBYX's -62.03%.

Which has better risk-adjusted returns?

REBYX currently has the higher Sharpe Ratio (1.97 vs 0.49), 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.