USMC vs. MFUS

Last updated Jun 24, 2026

USMC (Principal U.S. Mega-Cap ETF) and MFUS (PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF) are both Large Cap Growth Equities funds - USMC tracks the Nasdaq US Mega Cap Select Leaders Index while MFUS tracks the RAFI Dynamic Multi-Factor U.S. Index​. Both are passively managed. Over the past 5 years, USMC returned 14.61%/yr vs 13.08%/yr for MFUS. Their correlation of 0.81 suggests significant overlap in exposure. USMC charges 0.12%/yr vs 0.30%/yr for MFUS.

Performance

USMC vs. MFUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal U.S. Mega-Cap ETF (USMC) and PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USMC achieves a 6.42% return, which is significantly lower than MFUS's 17.10% return.

USMC

• 1D: -1.37%
• 1M: -0.32%
• YTD: 6.42%
• 6M: 5.31%
• 1Y: 20.33%
• 3Y*: 20.41%
• 5Y*: 14.61%
• 10Y*: —

MFUS

• 1D: -1.02%
• 1M: 2.42%
• YTD: 17.10%
• 6M: 16.30%
• 1Y: 27.79%
• 3Y*: 21.88%
• 5Y*: 13.08%
• 10Y*: —

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

USMC vs. MFUS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
USMC Principal U.S. Mega-Cap ETF	6.42%	14.99%	29.82%	31.57%	-17.17%	26.30%	16.05%	27.37%	-2.30%	5.48%
MFUS PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF	17.10%	16.02%	20.17%	12.19%	-5.82%	24.10%	10.64%	26.17%	-7.30%	6.69%

Correlation

The correlation between USMC and MFUS is 0.69, 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	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (All Time) Calculated using the full available price history since Oct 12, 2017	0.81

The correlation between USMC and MFUS shifts across timeframes, from 0.69 (1 year) to 0.81 (all time), reflecting how their relationship changes across market environments.

USMC vs. MFUS - Sectors Allocation Comparison

Sectors	USMC	MFUS
Technology	33.3%	24.7%
Financial Services	18.2%	12.0%
Communication Services	13.7%	5.1%
Consumer Defensive	8.5%	9.7%
Consumer Cyclical	8.3%	10.5%
Healthcare	8.1%	13.4%
Industrials	5.6%	12.2%
Energy	4.3%	6.4%
Basic Materials	-	2.8%
Real Estate	-	1.7%
Utilities	-	1.6%

Return for Risk

USMC vs. MFUS — Risk / Return Rank

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

USMC

USMC Risk / Return Rank: 47
USMC Sharpe Ratio Rank: 50
USMC Sortino Ratio Rank: 50
USMC Omega Ratio Rank: 48
USMC Calmar Ratio Rank: 42
USMC Martin Ratio Rank: 47

MFUS

MFUS Risk / Return Rank: 84
MFUS Sharpe Ratio Rank: 83
MFUS Sortino Ratio Rank: 85
MFUS Omega Ratio Rank: 81
MFUS Calmar Ratio Rank: 85
MFUS Martin Ratio Rank: 87

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.

USMC vs. MFUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal U.S. Mega-Cap ETF (USMC) and PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS). 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.

	USMC	MFUS	Difference
Sharpe ratio: Return per unit of total volatility	1.66	2.49	-0.83
Sortino ratio: Return per unit of downside risk	2.35	3.53	-1.18
Omega ratio: Gain probability vs. loss probability	1.29	1.45	-0.16
Calmar ratio: Return relative to maximum drawdown	1.98	4.37	-2.39
Martin ratio: Return relative to average drawdown	7.47	17.76	-10.28

USMC vs. MFUS - Sharpe Ratio Comparison

The current USMC Sharpe Ratio is 1.66, which is lower than the MFUS Sharpe Ratio of 2.49. The chart below compares the historical Sharpe Ratios of USMC and MFUS, 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

USMC vs. MFUS - Drawdown Comparison

The maximum USMC drawdown since its inception was -29.97%, smaller than the maximum MFUS drawdown of -35.21%. Use the drawdown chart below to compare losses from any high point for USMC and MFUS.

Drawdown Indicators

	USMC	MFUS	Difference
Max Drawdown Largest peak-to-trough decline	-29.97%	-35.21%	+5.24%
Max Drawdown (1Y) Largest decline over 1 year	-10.30%	-6.39%	-3.91%
Max Drawdown (3Y) Largest decline over 3 years	-19.12%	-15.39%	-3.73%
Max Drawdown (5Y) Largest decline over 5 years	-24.09%	-18.22%	-5.87%
Current Drawdown Current decline from peak	-2.46%	-1.05%	-1.41%
Average Drawdown Average peak-to-trough decline	-4.39%	-3.98%	-0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.73%	1.57%	+1.16%

Volatility

USMC vs. MFUS - Volatility Comparison

Principal U.S. Mega-Cap ETF (USMC) and PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS) have volatilities of 4.43% and 4.27%, 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

	USMC	MFUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.43%	4.27%	+0.16%
Volatility (6M) Calculated over the trailing 6-month period	9.43%	8.91%	+0.52%
Volatility (1Y) Calculated over the trailing 1-year period	12.32%	11.25%	+1.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.43%	15.09%	+1.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.25%	17.35%	+0.90%

USMC vs. MFUS - Expense Ratio Comparison

USMC has a 0.12% expense ratio, which is lower than MFUS's 0.30% expense ratio.

Dividends

USMC vs. MFUS - Dividend Comparison

USMC's dividend yield for the trailing twelve months is around 0.76%, less than MFUS's 1.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFUS PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF	1.35%	1.54%	1.45%	1.96%	2.07%	1.35%	1.72%	1.89%	1.69%	1.01%
USMC Principal U.S. Mega-Cap ETF	0.76%	0.79%	1.04%	1.35%	1.78%	1.53%	1.55%	2.01%	2.28%	0.24%

Frequently Asked Questions

Can I hold both USMC and MFUS in my portfolio?

USMC and MFUS have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USMC or MFUS?

USMC has higher volatility (4.43%) compared to MFUS (4.27%). In terms of maximum drawdown, USMC dropped -29.97% vs MFUS's -35.21%.

Which ETF is better, USMC or MFUS?

On 5-year performance, USMC leads with 14.61% vs 13.08% for MFUS. On fees, USMC is cheaper at 0.12% per year. On volatility, MFUS has been the lower-risk option at 4.27%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, USMC or MFUS?

Over the 5-year period, USMC has performed better with a 14.61% return vs 13.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, USMC or MFUS?

USMC is cheaper with a 0.12% expense ratio, compared with 0.30% for MFUS.

Which ETF pays a higher dividend yield, USMC or MFUS?

MFUS has the higher dividend yield at 1.35%, compared with 0.76% for USMC.

What is the main difference between USMC and MFUS?

USMC tracks Nasdaq US Mega Cap Select Leaders Index, while MFUS tracks RAFI Dynamic Multi-Factor U.S. Index​. They also come from different issuers: Principal and PIMCO. Their fees differ too: 0.12% for USMC and 0.30% for MFUS.

Which has better risk-adjusted returns?

MFUS currently has the higher Sharpe Ratio (2.49 vs 1.66), 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.