OAZMX vs. VVIAX

Last updated Apr 2, 2026

Compare and contrast key facts about Oakmark Fund R6 Class (OAZMX) and Vanguard Value Index Fund Admiral Shares (VVIAX).

OAZMX is an actively managed fund by Oakmark. It was launched on Dec 15, 2020. VVIAX is managed by Vanguard. It was launched on Nov 13, 2000.

Performance

OAZMX vs. VVIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oakmark Fund R6 Class (OAZMX) and Vanguard Value Index Fund Admiral Shares (VVIAX). The values are adjusted to include any dividend payments, if applicable.

OAZMX vs. VVIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
OAZMX Oakmark Fund R6 Class	-2.39%	14.45%	16.33%	31.29%	-13.16%	34.59%	1.81%
VVIAX Vanguard Value Index Fund Admiral Shares	3.30%	15.27%	16.00%	9.22%	-2.07%	26.51%	1.66%

Returns By Period

In the year-to-date period, OAZMX achieves a -2.39% return, which is significantly lower than VVIAX's 3.30% return.

OAZMX

• 1D: 1.76%
• 1M: -3.54%
• YTD: -2.39%
• 6M: 2.45%
• 1Y: 10.44%
• 3Y*: 16.40%
• 5Y*: 11.18%
• 10Y*: —

VVIAX

• 1D: 1.65%
• 1M: -4.61%
• YTD: 3.30%
• 6M: 6.13%
• 1Y: 16.29%
• 3Y*: 15.07%
• 5Y*: 10.84%
• 10Y*: 11.79%

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

OAZMX vs. VVIAX - Expense Ratio Comparison

OAZMX has a 0.62% expense ratio, which is higher than VVIAX's 0.05% expense ratio.

OAZMX

Oakmark Fund R6 Class

VVIAX

Vanguard Value Index Fund Admiral Shares

Return for Risk

OAZMX vs. VVIAX — Risk / Return Rank

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

OAZMX

OAZMX Risk / Return Rank: 19
OAZMX Sharpe Ratio Rank: 16
OAZMX Sortino Ratio Rank: 16
OAZMX Omega Ratio Rank: 17
OAZMX Calmar Ratio Rank: 21
OAZMX Martin Ratio Rank: 25

VVIAX

VVIAX Risk / Return Rank: 62
VVIAX Sharpe Ratio Rank: 58
VVIAX Sortino Ratio Rank: 57
VVIAX Omega Ratio Rank: 58
VVIAX Calmar Ratio Rank: 65
VVIAX Martin Ratio Rank: 72

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.

OAZMX vs. VVIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark Fund R6 Class (OAZMX) and Vanguard Value Index Fund Admiral Shares (VVIAX). 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.

	OAZMX	VVIAX	Difference
Sharpe ratio Return per unit of total volatility	0.56	1.08	-0.53
Sortino ratio Return per unit of downside risk	0.89	1.56	-0.66
Omega ratio Gain probability vs. loss probability	1.13	1.23	-0.10
Calmar ratio Return relative to maximum drawdown	0.84	1.53	-0.69
Martin ratio Return relative to average drawdown	3.37	6.89	-3.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OAZMX vs. VVIAX - Sharpe Ratio Comparison

The current OAZMX Sharpe Ratio is 0.56, which is lower than the VVIAX Sharpe Ratio of 1.08. The chart below compares the historical Sharpe Ratios of OAZMX and VVIAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	OAZMX	VVIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.56	1.08	-0.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.78	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.71	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.40	+0.38

Correlation

The correlation between OAZMX and VVIAX is 0.89, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

OAZMX vs. VVIAX - Dividend Comparison

OAZMX's dividend yield for the trailing twelve months is around 1.23%, less than VVIAX's 2.01% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OAZMX Oakmark Fund R6 Class	1.23%	1.20%	1.38%	1.26%	1.22%	1.72%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VVIAX Vanguard Value Index Fund Admiral Shares	2.01%	2.04%	2.30%	2.45%	2.51%	2.14%	2.55%	2.49%	2.72%	2.29%	2.45%	2.60%

Drawdowns

OAZMX vs. VVIAX - Drawdown Comparison

The maximum OAZMX drawdown since its inception was -23.54%, smaller than the maximum VVIAX drawdown of -59.32%. Use the drawdown chart below to compare losses from any high point for OAZMX and VVIAX.

Drawdown Indicators

	OAZMX	VVIAX	Difference
Max Drawdown Largest peak-to-trough decline	-23.54%	-59.32%	+35.78%
Max Drawdown (1Y) Largest decline over 1 year	-13.46%	-11.28%	-2.18%
Max Drawdown (5Y) Largest decline over 5 years	-23.54%	-17.14%	-6.40%
Max Drawdown (10Y) Largest decline over 10 years	—	-36.80%	—
Current Drawdown Current decline from peak	-4.90%	-4.82%	-0.08%
Average Drawdown Average peak-to-trough decline	-4.78%	-9.67%	+4.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.37%	2.50%	+0.87%

Volatility

OAZMX vs. VVIAX - Volatility Comparison

Oakmark Fund R6 Class (OAZMX) has a higher volatility of 4.21% compared to Vanguard Value Index Fund Admiral Shares (VVIAX) at 3.80%. This indicates that OAZMX's price experiences larger fluctuations and is considered to be riskier than VVIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OAZMX	VVIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.21%	3.80%	+0.41%
Volatility (6M) Calculated over the trailing 6-month period	10.35%	7.69%	+2.66%
Volatility (1Y) Calculated over the trailing 1-year period	18.78%	14.88%	+3.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.34%	13.92%	+4.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.39%	16.74%	+1.65%