BISLX vs. BAFWX

Last updated Jun 24, 2026

BISLX (Brown Advisory Sustainable International Leaders Fund) and BAFWX (Brown Advisory Sustainable Growth Fund Institutional Shares) are both mutual funds - BISLX is a Foreign Large Cap Equities fund managed by Brown Advisory Funds, while BAFWX is a Large Cap Growth Equities fund managed by Brown Advisory Funds. Over the past 3 years, BISLX returned 4.39%/yr vs 13.20%/yr for BAFWX. A 0.72 correlation means they provide meaningful diversification when combined. BISLX charges 1.00%/yr vs 0.64%/yr for BAFWX.

Performance

BISLX vs. BAFWX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Brown Advisory Sustainable International Leaders Fund (BISLX) and Brown Advisory Sustainable Growth Fund Institutional Shares (BAFWX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BISLX achieves a -4.46% return, which is significantly lower than BAFWX's 2.06% return.

BISLX

• 1D: -0.71%
• 1M: -0.80%
• YTD: -4.46%
• 6M: -4.74%
• 1Y: -2.48%
• 3Y*: 4.39%
• 5Y*: —
• 10Y*: —

BAFWX

• 1D: -1.41%
• 1M: 1.21%
• YTD: 2.06%
• 6M: 0.84%
• 1Y: 4.44%
• 3Y*: 13.20%
• 5Y*: 7.37%
• 10Y*: 15.66%

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

BISLX vs. BAFWX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
BISLX Brown Advisory Sustainable International Leaders Fund	-4.46%	15.31%	1.50%	15.76%	-4.60%
BAFWX Brown Advisory Sustainable Growth Fund Institutional Shares	2.06%	3.35%	20.35%	39.07%	-16.99%

Correlation

The correlation between BISLX and BAFWX is 0.64, 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	0.64
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (All Time) Calculated using the full available price history since Mar 4, 2022	0.72

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

Return for Risk

BISLX vs. BAFWX — Risk / Return Rank

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

BISLX

BISLX Risk / Return Rank: 2
BISLX Sharpe Ratio Rank: 2
BISLX Sortino Ratio Rank: 2
BISLX Omega Ratio Rank: 2
BISLX Calmar Ratio Rank: 2
BISLX Martin Ratio Rank: 2

BAFWX

BAFWX Risk / Return Rank: 5
BAFWX Sharpe Ratio Rank: 5
BAFWX Sortino Ratio Rank: 5
BAFWX Omega Ratio Rank: 5
BAFWX Calmar Ratio Rank: 4
BAFWX Martin Ratio Rank: 4

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.

BISLX vs. BAFWX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Brown Advisory Sustainable International Leaders Fund (BISLX) and Brown Advisory Sustainable Growth Fund Institutional Shares (BAFWX). 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.

	BISLX	BAFWX	Difference
Sharpe ratio: Return per unit of total volatility	-0.10	0.29	-0.39
Sortino ratio: Return per unit of downside risk	-0.04	0.51	-0.55
Omega ratio: Gain probability vs. loss probability	1.00	1.06	-0.07
Calmar ratio: Return relative to maximum drawdown	-0.12	0.25	-0.37
Martin ratio: Return relative to average drawdown	-0.34	0.65	-1.00

BISLX vs. BAFWX - Sharpe Ratio Comparison

The current BISLX Sharpe Ratio is -0.10, which is lower than the BAFWX Sharpe Ratio of 0.29. The chart below compares the historical Sharpe Ratios of BISLX and BAFWX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BISLX vs. BAFWX - Drawdown Comparison

The maximum BISLX drawdown since its inception was -24.49%, smaller than the maximum BAFWX drawdown of -36.86%. Use the drawdown chart below to compare losses from any high point for BISLX and BAFWX.

Drawdown Indicators

	BISLX	BAFWX	Difference
Max Drawdown Largest peak-to-trough decline	-24.49%	-36.86%	+12.37%
Max Drawdown (1Y) Largest decline over 1 year	-13.12%	-19.93%	+6.81%
Max Drawdown (3Y) Largest decline over 3 years	-18.16%	-25.03%	+6.87%
Max Drawdown (5Y) Largest decline over 5 years	—	-36.86%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-36.86%	—
Current Drawdown Current decline from peak	-6.85%	-4.84%	-2.01%
Average Drawdown Average peak-to-trough decline	-6.04%	-5.70%	-0.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.58%	7.70%	-3.12%

Volatility

BISLX vs. BAFWX - Volatility Comparison

The current volatility for Brown Advisory Sustainable International Leaders Fund (BISLX) is 4.51%, while Brown Advisory Sustainable Growth Fund Institutional Shares (BAFWX) has a volatility of 7.20%. This indicates that BISLX experiences smaller price fluctuations and is considered to be less risky than BAFWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BISLX	BAFWX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.51%	7.20%	-2.69%
Volatility (6M) Calculated over the trailing 6-month period	12.42%	14.13%	-1.71%
Volatility (1Y) Calculated over the trailing 1-year period	15.21%	17.36%	-2.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.21%	22.73%	-5.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.21%	21.58%	-4.37%

BISLX vs. BAFWX - Expense Ratio Comparison

BISLX has a 1.00% expense ratio, which is higher than BAFWX's 0.64% expense ratio.

Dividends

BISLX vs. BAFWX - Dividend Comparison

BISLX's dividend yield for the trailing twelve months is around 3.77%, less than BAFWX's 23.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAFWX Brown Advisory Sustainable Growth Fund Institutional Shares	23.35%	23.83%	5.23%	0.01%	0.00%	1.82%	0.00%	1.48%	3.71%	1.70%	0.71%	4.73%
BISLX Brown Advisory Sustainable International Leaders Fund	3.77%	3.60%	1.12%	0.36%	0.24%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BISLX and BAFWX in my portfolio?

BISLX and BAFWX have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BISLX or BAFWX?

BAFWX has higher volatility (7.20%) compared to BISLX (4.51%). In terms of maximum drawdown, BISLX dropped -24.49% vs BAFWX's -36.86%.

Which has better risk-adjusted returns?

BAFWX currently has the higher Sharpe Ratio (0.29 vs -0.10), 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.