AMOMX vs. MRFOX

Last updated Jun 4, 2026

AMOMX (AQR Large Cap Momentum Style Fund) and MRFOX (Marshfield Concentrated Opportunity Fund) are both Large Cap Growth Equities funds. A 0.72 correlation means they provide meaningful diversification when combined. AMOMX charges 0.41%/yr vs 1.05%/yr for MRFOX.

Performance

AMOMX vs. MRFOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AQR Large Cap Momentum Style Fund (AMOMX) and Marshfield Concentrated Opportunity Fund (MRFOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

AMOMX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MRFOX

• 1D: -0.41%
• 1M: -1.68%
• YTD: -0.99%
• 6M: -1.78%
• 1Y: 4.44%
• 3Y*: 13.82%
• 5Y*: 10.92%
• 10Y*: 15.41%

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

AMOMX vs. MRFOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AMOMX AQR Large Cap Momentum Style Fund	11.26%	15.36%	27.62%	18.17%	-18.00%	26.01%	26.86%	29.20%	-4.01%	23.87%
MRFOX Marshfield Concentrated Opportunity Fund	-0.99%	10.05%	17.10%	17.68%	5.06%	17.71%	15.19%	36.26%	1.89%	25.92%

Correlation

The correlation between AMOMX and MRFOX is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.41
Correlation (3Y) Calculated over the trailing 3-year period	0.55
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.72
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.72

Over the past year, the correlation between AMOMX and MRFOX has dropped to 0.41 - well below their long-term average of 0.72, suggesting their price drivers have been diverging.

Return for Risk

AMOMX vs. MRFOX — Risk / Return Rank

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

MRFOX

MRFOX Risk / Return Rank: 6
MRFOX Sharpe Ratio Rank: 6
MRFOX Sortino Ratio Rank: 6
MRFOX Omega Ratio Rank: 5
MRFOX Calmar Ratio Rank: 7
MRFOX Martin Ratio Rank: 7

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.

AMOMX vs. MRFOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AQR Large Cap Momentum Style Fund (AMOMX) and Marshfield Concentrated Opportunity Fund (MRFOX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	AMOMX	MRFOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.48	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.91	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.09	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	1.06	—

Drawdowns

Drawdown Indicators

	AMOMX	MRFOX	Difference
Max Drawdown Largest peak-to-trough decline	—	-29.10%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-7.03%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-7.91%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-12.98%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-29.10%	—
Current Drawdown Current decline from peak	—	-3.39%	—
Average Drawdown Average peak-to-trough decline	—	-2.37%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.44%	—

Volatility

Volatility by Period

	AMOMX	MRFOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.49%	—
Volatility (6M) Calculated over the trailing 6-month period	—	6.94%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	9.77%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	12.06%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	14.26%	—

AMOMX vs. MRFOX - Expense Ratio Comparison

AMOMX has a 0.41% expense ratio, which is lower than MRFOX's 1.05% expense ratio.

Dividends

AMOMX vs. MRFOX - Dividend Comparison

AMOMX's dividend yield for the trailing twelve months is around 30.65%, more than MRFOX's 1.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMOMX AQR Large Cap Momentum Style Fund	30.65%	25.49%	14.05%	14.08%	10.95%	17.95%	16.14%	10.22%	12.17%	9.15%	8.23%	8.44%
MRFOX Marshfield Concentrated Opportunity Fund	1.64%	1.62%	4.59%	0.46%	0.35%	6.78%	2.68%	1.39%	1.94%	2.06%	0.60%	0.00%

Frequently Asked Questions

Can I hold both AMOMX and MRFOX in my portfolio?

AMOMX and MRFOX have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.