BRUHX vs. PKAIX

Last updated Jun 24, 2026

BRUHX (MFS Blended Research Value Equity Fund) and PKAIX (PIMCO RAE US Fund) are both Large Cap Value Equities funds. Over the past 10 years, BRUHX returned 12.30%/yr vs 14.20%/yr for PKAIX. Their correlation of 0.92 suggests significant overlap in exposure. BRUHX charges 0.49%/yr vs 0.40%/yr for PKAIX.

Performance

BRUHX vs. PKAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Blended Research Value Equity Fund (BRUHX) and PIMCO RAE US Fund (PKAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BRUHX achieves a 16.99% return, which is significantly lower than PKAIX's 21.63% return. Over the past 10 years, BRUHX has underperformed PKAIX with an annualized return of 12.30%, while PKAIX has yielded a comparatively higher 14.20% annualized return.

BRUHX

• 1D: 0.55%
• 1M: 3.80%
• YTD: 16.99%
• 6M: 15.95%
• 1Y: 28.31%
• 3Y*: 19.57%
• 5Y*: 12.50%
• 10Y*: 12.30%

PKAIX

• 1D: 0.48%
• 1M: 0.24%
• YTD: 21.63%
• 6M: 17.91%
• 1Y: 38.03%
• 3Y*: 23.83%
• 5Y*: 15.02%
• 10Y*: 14.20%

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

BRUHX vs. PKAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BRUHX MFS Blended Research Value Equity Fund	16.99%	15.45%	12.81%	14.59%	-4.15%	26.24%	1.68%	23.72%	-8.41%	15.23%
PKAIX PIMCO RAE US Fund	21.63%	17.19%	16.28%	17.02%	-3.36%	27.74%	3.94%	24.92%	-6.92%	16.51%

Correlation

The correlation between BRUHX and PKAIX is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Sep 17, 2015	0.92

The correlation between BRUHX and PKAIX shifts across timeframes, from 0.79 (1 year) to 0.92 (all time), reflecting how their relationship changes across market environments.

Return for Risk

BRUHX vs. PKAIX — Risk / Return Rank

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

BRUHX

BRUHX Risk / Return Rank: 86
BRUHX Sharpe Ratio Rank: 85
BRUHX Sortino Ratio Rank: 83
BRUHX Omega Ratio Rank: 78
BRUHX Calmar Ratio Rank: 90
BRUHX Martin Ratio Rank: 92

PKAIX

PKAIX Risk / Return Rank: 92
PKAIX Sharpe Ratio Rank: 94
PKAIX Sortino Ratio Rank: 89
PKAIX Omega Ratio Rank: 84
PKAIX Calmar Ratio Rank: 98
PKAIX Martin Ratio Rank: 96

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.

BRUHX vs. PKAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Blended Research Value Equity Fund (BRUHX) and PIMCO RAE US Fund (PKAIX). 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.

	BRUHX	PKAIX	Difference
Sharpe ratio: Return per unit of total volatility	2.58	2.97	-0.39
Sortino ratio: Return per unit of downside risk	3.64	4.02	-0.39
Omega ratio: Gain probability vs. loss probability	1.46	1.52	-0.06
Calmar ratio: Return relative to maximum drawdown	4.41	7.60	-3.19
Martin ratio: Return relative to average drawdown	17.37	22.65	-5.27

BRUHX vs. PKAIX - Sharpe Ratio Comparison

The current BRUHX Sharpe Ratio is 2.58, which is comparable to the PKAIX Sharpe Ratio of 2.97. The chart below compares the historical Sharpe Ratios of BRUHX and PKAIX, 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

BRUHX vs. PKAIX - Drawdown Comparison

The maximum BRUHX drawdown since its inception was -38.77%, roughly equal to the maximum PKAIX drawdown of -38.56%. Use the drawdown chart below to compare losses from any high point for BRUHX and PKAIX.

Drawdown Indicators

	BRUHX	PKAIX	Difference
Max Drawdown Largest peak-to-trough decline	-38.77%	-38.56%	-0.21%
Max Drawdown (1Y) Largest decline over 1 year	-6.69%	-5.15%	-1.54%
Max Drawdown (3Y) Largest decline over 3 years	-20.49%	-20.31%	-0.18%
Max Drawdown (5Y) Largest decline over 5 years	-20.49%	-20.64%	+0.15%
Max Drawdown (10Y) Largest decline over 10 years	-38.77%	-38.56%	-0.21%
Current Drawdown Current decline from peak	-0.11%	-2.93%	+2.82%
Average Drawdown Average peak-to-trough decline	-4.25%	-4.70%	+0.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.69%	1.72%	-0.03%

Volatility

BRUHX vs. PKAIX - Volatility Comparison

The current volatility for MFS Blended Research Value Equity Fund (BRUHX) is 3.65%, while PIMCO RAE US Fund (PKAIX) has a volatility of 4.28%. This indicates that BRUHX experiences smaller price fluctuations and is considered to be less risky than PKAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BRUHX	PKAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.65%	4.28%	-0.63%
Volatility (6M) Calculated over the trailing 6-month period	8.84%	9.76%	-0.92%
Volatility (1Y) Calculated over the trailing 1-year period	11.45%	13.19%	-1.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.18%	17.78%	-1.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.06%	18.87%	-0.81%

BRUHX vs. PKAIX - Expense Ratio Comparison

BRUHX has a 0.49% expense ratio, which is higher than PKAIX's 0.40% expense ratio.

Dividends

BRUHX vs. PKAIX - Dividend Comparison

BRUHX's dividend yield for the trailing twelve months is around 10.38%, less than PKAIX's 11.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BRUHX MFS Blended Research Value Equity Fund	10.38%	12.14%	11.32%	3.61%	8.44%	12.82%	1.85%	2.40%	5.04%	2.26%	0.71%	0.96%
PKAIX PIMCO RAE US Fund	11.32%	13.77%	16.77%	6.65%	8.09%	10.03%	3.20%	4.91%	6.85%	5.85%	5.33%	3.49%

Frequently Asked Questions

Can I hold both BRUHX and PKAIX in my portfolio?

BRUHX and PKAIX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BRUHX or PKAIX?

PKAIX has higher volatility (4.28%) compared to BRUHX (3.65%). In terms of maximum drawdown, BRUHX dropped -38.77% vs PKAIX's -38.56%.

Which has better risk-adjusted returns?

PKAIX currently has the higher Sharpe Ratio (2.97 vs 2.58), 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.