OAKMX vs. SHXPX

Last updated Jun 5, 2026

OAKMX (Oakmark Fund Investor Class) and SHXPX (American Beacon Shapiro Equity Opportunities Fund) are both Large Cap Value Equities funds. With a 1.00 correlation, they move nearly in lockstep. OAKMX charges 0.91%/yr vs 1.21%/yr for SHXPX.

Performance

OAKMX vs. SHXPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oakmark Fund Investor Class (OAKMX) and American Beacon Shapiro Equity Opportunities Fund (SHXPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

OAKMX

• 1D: -1.38%
• 1M: -2.18%
• YTD: -2.30%
• 6M: 0.23%
• 1Y: 10.31%
• 3Y*: 14.50%
• 5Y*: 9.07%
• 10Y*: 13.24%

SHXPX

• 1D: -0.13%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OAKMX vs. SHXPX - Yearly Performance Comparison

	2026 (YTD)
OAKMX Oakmark Fund Investor Class	-1.14%
SHXPX American Beacon Shapiro Equity Opportunities Fund	0.32%

Correlation

The correlation between OAKMX and SHXPX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 29, 2026	1.00

Return for Risk

OAKMX vs. SHXPX — Risk / Return Rank

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

OAKMX

OAKMX Risk / Return Rank: 12
OAKMX Sharpe Ratio Rank: 9
OAKMX Sortino Ratio Rank: 10
OAKMX Omega Ratio Rank: 9
OAKMX Calmar Ratio Rank: 16
OAKMX Martin Ratio Rank: 13

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.

OAKMX vs. SHXPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark Fund Investor Class (OAKMX) and American Beacon Shapiro Equity Opportunities Fund (SHXPX). 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.

	OAKMX	SHXPX	Difference
Sharpe ratio: Return per unit of total volatility	0.76	—	—
Sortino ratio: Return per unit of downside risk	1.18	—	—
Omega ratio: Gain probability vs. loss probability	1.14	—	—
Calmar ratio: Return relative to maximum drawdown	1.43	—	—
Martin ratio: Return relative to average drawdown	3.64	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	OAKMX	SHXPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.76	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.50	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.65	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.70	8.85	-8.15

Drawdowns

OAKMX vs. SHXPX - Drawdown Comparison

The maximum OAKMX drawdown since its inception was -56.19%, which is greater than SHXPX's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for OAKMX and SHXPX.

Drawdown Indicators

	OAKMX	SHXPX	Difference
Max Drawdown Largest peak-to-trough decline	-56.19%	-0.13%	-56.06%
Max Drawdown (1Y) Largest decline over 1 year	-6.98%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-17.05%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-23.68%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-41.43%	—	—
Current Drawdown Current decline from peak	-4.80%	-0.13%	-4.67%
Average Drawdown Average peak-to-trough decline	-6.39%	-0.03%	-6.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.73%	—	—

Volatility

Volatility by Period

	OAKMX	SHXPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.21%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.44%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	13.08%	2.95%	+10.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.30%	2.95%	+15.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.40%	2.95%	+17.45%

OAKMX vs. SHXPX - Expense Ratio Comparison

OAKMX has a 0.91% expense ratio, which is lower than SHXPX's 1.21% expense ratio.

Dividends

OAKMX vs. SHXPX - Dividend Comparison

OAKMX's dividend yield for the trailing twelve months is around 0.94%, while SHXPX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OAKMX Oakmark Fund Investor Class	0.94%	0.92%	1.12%	1.02%	0.92%	1.94%	0.17%	8.33%	8.13%	4.06%	2.58%	1.43%
SHXPX American Beacon Shapiro Equity Opportunities Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both OAKMX and SHXPX in my portfolio?

With a correlation of 1.00, OAKMX and SHXPX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.