CARK vs. MFUS

Last updated Jun 4, 2026

CARK (Castleark Large Growth ETF) and MFUS (PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF) are both Large Cap Growth Equities funds. CARK is actively managed, while MFUS is passively managed. Over the past year, CARK returned 22.33% vs 28.04% for MFUS. A 0.65 correlation means they provide meaningful diversification when combined. CARK charges 0.54%/yr vs 0.30%/yr for MFUS.

Performance

CARK vs. MFUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Castleark Large Growth ETF (CARK) 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, CARK achieves a 8.34% return, which is significantly lower than MFUS's 16.37% return.

CARK

• 1D: -1.13%
• 1M: 5.14%
• YTD: 8.34%
• 6M: 8.76%
• 1Y: 22.33%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MFUS

• 1D: 0.03%
• 1M: 5.72%
• YTD: 16.37%
• 6M: 16.58%
• 1Y: 28.04%
• 3Y*: 22.25%
• 5Y*: 12.82%
• 10Y*: —

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

CARK vs. MFUS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
CARK Castleark Large Growth ETF	8.34%	10.84%	26.49%	3.57%
MFUS PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF	16.37%	16.02%	20.17%	4.79%

Correlation

The correlation between CARK and MFUS is 0.58, 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	0.58
Correlation (All Time) Calculated using the full available price history since Dec 8, 2023	0.65

The correlation between CARK and MFUS has been stable across timeframes, ranging from 0.58 to 0.65 - a consistent structural relationship.

CARK vs. MFUS - Sectors Allocation Comparison

Sectors	CARK	MFUS
Technology	55.1%	21.8%
Communication Services	15.8%	5.3%
Consumer Cyclical	8.7%	10.6%
Financial Services	8.5%	12.6%
Healthcare	6.5%	13.5%
Industrials	5.5%	12.6%
Basic Materials	-	2.8%
Consumer Defensive	-	10.3%
Energy	-	7.0%
Real Estate	-	1.8%
Utilities	-	1.7%

Return for Risk

CARK vs. MFUS — Risk / Return Rank

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

CARK

CARK Risk / Return Rank: 34
CARK Sharpe Ratio Rank: 37
CARK Sortino Ratio Rank: 35
CARK Omega Ratio Rank: 35
CARK Calmar Ratio Rank: 29
CARK Martin Ratio Rank: 32

MFUS

MFUS Risk / Return Rank: 82
MFUS Sharpe Ratio Rank: 80
MFUS Sortino Ratio Rank: 83
MFUS Omega Ratio Rank: 78
MFUS Calmar Ratio Rank: 83
MFUS Martin Ratio Rank: 86

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.

CARK vs. MFUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Castleark Large Growth ETF (CARK) 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.

	CARK	MFUS	Difference
Sharpe ratio: Return per unit of total volatility	1.32	2.63	-1.32
Sortino ratio: Return per unit of downside risk	1.83	3.77	-1.94
Omega ratio: Gain probability vs. loss probability	1.23	1.47	-0.24
Calmar ratio: Return relative to maximum drawdown	1.36	4.41	-3.05
Martin ratio: Return relative to average drawdown	4.59	18.13	-13.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CARK vs. MFUS - Sharpe Ratio Comparison

The current CARK Sharpe Ratio is 1.32, which is lower than the MFUS Sharpe Ratio of 2.63. The chart below compares the historical Sharpe Ratios of CARK 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.

Sharpe Ratios by Period

	CARK	MFUS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.32	2.63	-1.32
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.86	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.97	0.79	+0.18

Drawdowns

CARK vs. MFUS - Drawdown Comparison

The maximum CARK drawdown since its inception was -25.22%, smaller than the maximum MFUS drawdown of -35.21%. Use the drawdown chart below to compare losses from any high point for CARK and MFUS.

Drawdown Indicators

	CARK	MFUS	Difference
Max Drawdown Largest peak-to-trough decline	-25.22%	-35.21%	+9.99%
Max Drawdown (1Y) Largest decline over 1 year	-16.50%	-6.39%	-10.11%
Max Drawdown (3Y) Largest decline over 3 years	—	-15.39%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.22%	—
Current Drawdown Current decline from peak	-1.58%	0.00%	-1.58%
Average Drawdown Average peak-to-trough decline	-4.44%	-4.00%	-0.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.87%	1.55%	+3.32%

Volatility

CARK vs. MFUS - Volatility Comparison

Castleark Large Growth ETF (CARK) has a higher volatility of 3.92% compared to PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS) at 3.19%. This indicates that CARK's price experiences larger fluctuations and is considered to be riskier than MFUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CARK	MFUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.92%	3.19%	+0.73%
Volatility (6M) Calculated over the trailing 6-month period	12.94%	8.22%	+4.72%
Volatility (1Y) Calculated over the trailing 1-year period	17.06%	10.72%	+6.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.70%	15.03%	+5.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.70%	17.35%	+3.35%

CARK vs. MFUS - Expense Ratio Comparison

CARK has a 0.54% expense ratio, which is higher than MFUS's 0.30% expense ratio.

Dividends

CARK vs. MFUS - Dividend Comparison

CARK's dividend yield for the trailing twelve months is around 0.01%, less than MFUS's 1.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
CARK Castleark Large Growth ETF	0.01%	0.01%	0.02%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MFUS PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF	1.36%	1.54%	1.45%	1.96%	2.07%	1.35%	1.72%	1.89%	1.69%	1.01%

Frequently Asked Questions

Can I hold both CARK and MFUS in my portfolio?

CARK and MFUS have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CARK or MFUS?

CARK has higher volatility (3.92%) compared to MFUS (3.19%). In terms of maximum drawdown, CARK dropped -25.22% vs MFUS's -35.21%.

Which ETF is better, CARK or MFUS?

On 1-year performance, MFUS leads with 28.04% vs 22.33% for CARK. On fees, MFUS is cheaper at 0.30% per year. On volatility, MFUS has been the lower-risk option at 3.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CARK or MFUS?

Over the 1-year period, MFUS has performed better with a 28.04% return vs 22.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CARK or MFUS?

MFUS is cheaper with a 0.30% expense ratio, compared with 0.54% for CARK.

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

MFUS has the higher dividend yield at 1.36%, compared with 0.01% for CARK.

What is the main difference between CARK and MFUS?

They also come from different issuers: CastleArk and PIMCO. Their fees differ too: 0.54% for CARK and 0.30% for MFUS.

Which has better risk-adjusted returns?

MFUS currently has the higher Sharpe Ratio (2.63 vs 1.32), 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.