SSEIX vs. BRWIX

Last updated Jun 23, 2026

SSEIX (SouthernSun U.S. Equity) and BRWIX (AMG Boston Common Global Impact Fund) are both mutual funds - SSEIX is a Mid Cap Blend Equities fund managed by AMG, while BRWIX is a Large Cap Growth Equities fund managed by AMG. Over the past 10 years, SSEIX returned 8.75%/yr vs 11.21%/yr for BRWIX. A 0.74 correlation means they provide meaningful diversification when combined. SSEIX charges 1.09%/yr vs 0.93%/yr for BRWIX.

Performance

SSEIX vs. BRWIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SouthernSun U.S. Equity (SSEIX) and AMG Boston Common Global Impact Fund (BRWIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with SSEIX having a 15.19% return and BRWIX slightly higher at 15.59%. Over the past 10 years, SSEIX has underperformed BRWIX with an annualized return of 8.75%, while BRWIX has yielded a comparatively higher 11.21% annualized return.

SSEIX

• 1D: 1.78%
• 1M: 4.22%
• YTD: 15.19%
• 6M: 12.83%
• 1Y: 21.97%
• 3Y*: 9.91%
• 5Y*: 8.89%
• 10Y*: 8.75%

BRWIX

• 1D: 1.77%
• 1M: 1.71%
• YTD: 15.59%
• 6M: 15.59%
• 1Y: 35.06%
• 3Y*: 13.55%
• 5Y*: 5.41%
• 10Y*: 11.21%

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

SSEIX vs. BRWIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSEIX SouthernSun U.S. Equity	15.19%	4.06%	5.40%	18.85%	-4.63%	22.75%	13.36%	31.61%	-23.12%	10.67%
BRWIX AMG Boston Common Global Impact Fund	15.59%	21.16%	3.08%	13.75%	-25.35%	12.38%	29.77%	27.98%	-3.67%	23.65%

Correlation

The correlation between SSEIX and BRWIX 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	0.74
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (10Y) Calculated over the trailing 10-year period	0.72
Correlation (All Time) Calculated using the full available price history since Apr 11, 2012	0.74

The correlation between SSEIX and BRWIX shifts across timeframes, from 0.65 (1 year) to 0.76 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

SSEIX vs. BRWIX — Risk / Return Rank

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

SSEIX

SSEIX Risk / Return Rank: 20
SSEIX Sharpe Ratio Rank: 19
SSEIX Sortino Ratio Rank: 21
SSEIX Omega Ratio Rank: 17
SSEIX Calmar Ratio Rank: 25
SSEIX Martin Ratio Rank: 18

BRWIX

BRWIX Risk / Return Rank: 71
BRWIX Sharpe Ratio Rank: 73
BRWIX Sortino Ratio Rank: 69
BRWIX Omega Ratio Rank: 66
BRWIX Calmar Ratio Rank: 70
BRWIX Martin Ratio Rank: 78

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.

SSEIX vs. BRWIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SouthernSun U.S. Equity (SSEIX) and AMG Boston Common Global Impact Fund (BRWIX). 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.

	SSEIX	BRWIX	Difference
Sharpe ratio: Return per unit of total volatility	1.17	2.29	-1.12
Sortino ratio: Return per unit of downside risk	1.79	3.15	-1.35
Omega ratio: Gain probability vs. loss probability	1.20	1.41	-0.21
Calmar ratio: Return relative to maximum drawdown	1.75	3.08	-1.33
Martin ratio: Return relative to average drawdown	4.38	13.56	-9.19

SSEIX vs. BRWIX - Sharpe Ratio Comparison

The current SSEIX Sharpe Ratio is 1.17, which is lower than the BRWIX Sharpe Ratio of 2.29. The chart below compares the historical Sharpe Ratios of SSEIX and BRWIX, 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

SSEIX vs. BRWIX - Drawdown Comparison

The maximum SSEIX drawdown since its inception was -48.45%, smaller than the maximum BRWIX drawdown of -54.49%. Use the drawdown chart below to compare losses from any high point for SSEIX and BRWIX.

Drawdown Indicators

	SSEIX	BRWIX	Difference
Max Drawdown Largest peak-to-trough decline	-48.45%	-54.49%	+6.04%
Max Drawdown (1Y) Largest decline over 1 year	-12.91%	-11.28%	-1.63%
Max Drawdown (3Y) Largest decline over 3 years	-27.10%	-20.82%	-6.28%
Max Drawdown (5Y) Largest decline over 5 years	-27.10%	-36.71%	+9.61%
Max Drawdown (10Y) Largest decline over 10 years	-48.45%	-36.71%	-11.74%
Current Drawdown Current decline from peak	-2.12%	-0.63%	-1.49%
Average Drawdown Average peak-to-trough decline	-7.49%	-17.57%	+10.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.14%	2.56%	+2.58%

Volatility

SSEIX vs. BRWIX - Volatility Comparison

The current volatility for SouthernSun U.S. Equity (SSEIX) is 5.72%, while AMG Boston Common Global Impact Fund (BRWIX) has a volatility of 6.19%. This indicates that SSEIX experiences smaller price fluctuations and is considered to be less risky than BRWIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSEIX	BRWIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.72%	6.19%	-0.47%
Volatility (6M) Calculated over the trailing 6-month period	13.88%	12.79%	+1.09%
Volatility (1Y) Calculated over the trailing 1-year period	19.34%	15.18%	+4.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.53%	18.29%	+2.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.69%	20.22%	+2.47%

SSEIX vs. BRWIX - Expense Ratio Comparison

SSEIX has a 1.09% expense ratio, which is higher than BRWIX's 0.93% expense ratio.

Dividends

SSEIX vs. BRWIX - Dividend Comparison

SSEIX's dividend yield for the trailing twelve months is around 6.28%, more than BRWIX's 0.65% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BRWIX AMG Boston Common Global Impact Fund	0.65%	0.75%	1.17%	0.63%	0.48%	45.72%	14.71%	10.30%	0.00%	0.00%	0.00%	0.00%
SSEIX SouthernSun U.S. Equity	6.28%	7.24%	12.10%	12.31%	19.39%	14.36%	0.62%	1.15%	7.94%	0.33%	0.38%	5.00%

Frequently Asked Questions

Can I hold both SSEIX and BRWIX in my portfolio?

SSEIX and BRWIX 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, SSEIX or BRWIX?

BRWIX has higher volatility (6.19%) compared to SSEIX (5.72%). In terms of maximum drawdown, SSEIX dropped -48.45% vs BRWIX's -54.49%.

Which has better risk-adjusted returns?

BRWIX currently has the higher Sharpe Ratio (2.29 vs 1.17), 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.