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Oakmark Fund Investor Class

OAKMX
Large Value
Oakmark

The fund invests primarily in a diversified portfolio of common stocks of U.S. companies. It generally invests in the securities of larger companies. The fund uses a value investment philosophy in selecting equity securities. This value investment philosophy is based upon the belief that, over time, a company's stock price converges with the adviser's estimate of the company's intrinsic value.

Expense Ratio
0.01%
What's an expense ratio?
5-Year Return
+9.66%
How to read fund performance
Volatility
+14.24%
What is volatility?
Total Assets
$24.4K
Performance History
1-Year Return+11.00%
3-Year Return+15.94%
5-Year Return+9.66%
10-Year Return+334.44%
Fund Details
Minimum Investment$1,000
Fund ManagerOakmark Management Team
Inception Date1991-08-04
Assets Under Management$24,443 M
Data Last UpdatedApr 13, 2026
How to Invest in OAKMX

Buy directly from Oakmark

Oakmark funds can be purchased directly through their website, typically with no transaction fee. Minimum investment: $1,000.

Visit Oakmark's website to open an account and purchase OAKMX.

Affiliate disclosure: Some links on this page are affiliate links. If you open an account through a link on this site, we may earn a commission at no additional cost to you. This does not influence our fund data or analysis. Learn more.

Investment Calculators

Fee Impact Calculator

Fee Impact Calculator
See how fees would impact your investment in Oakmark Fund Investor Class
Calculating for:
OAKMX

Oakmark Fund Investor Class

Pre-filled with OAKMX's historical average return

OAKMX's actual expense ratio

Comparison fund (e.g., actively managed)

Results
Future value after 30 years
Enter your values and click “Calculate Impact” to see results

Note: This calculator uses simplified assumptions based on OAKMX's historical performance. It does not account for taxes, inflation, or varying returns. Past performance does not guarantee future results.

Return Simulator

Return Projection Simulator
Project your portfolio's future value with Oakmark Fund Investor Class
Projecting for:
OAKMX

Oakmark Fund Investor Class

How much are you investing today?

How much will you contribute each month?

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Pre-filled with OAKMX's historical average return

Projection Results
Estimated portfolio value after 30 years
Enter your parameters and click “Simulate Returns” to see projections

Important: This projection uses simplified assumptions based on OAKMX's historical performance. Actual investment returns vary year-to-year. Past performance does not guarantee future results. This tool is for educational purposes only.

Top Holdings

COPConocoPhillips
0.00%
ABNBAirbnb Inc Ordinary Shares - Class A
0.00%
TRGPTarga Resources Corp
0.00%
MRKMerck & Co Inc
0.00%
CRMSalesforce Inc
0.00%
ICEIntercontinental Exchange Inc
0.00%
WTWWillis Towers Watson PLC
0.00%
COFCapital One Financial Corp
0.00%
CCitigroup Inc
0.00%
FCNCAFirst Citizens BancShares Inc Class A
0.00%

Top holdings shown as percentage of fund assets. Data sourced from fund filings. Holdings may change over time.

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Vanguard

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Expense Ratio0.00%
5-Year Return+8.90%
VVIAX
Vanguard

Vanguard Value Index Fd Admiral

Expense Ratio0.00%
5-Year Return+10.15%
VSIAX
Vanguard

Vanguard Small-Cap Value Index

Expense Ratio0.00%
5-Year Return+7.24%
VWNAX
Vanguard

Vanguard Windsor II Fund Admira

Expense Ratio0.00%
5-Year Return+17.67%

Frequently Asked Questions

What is OAKMX?

OAKMX is the ticker symbol for Oakmark Fund Investor Class, a Large Value mutual fund managed by Oakmark. The fund invests primarily in a diversified portfolio of common stocks of U.S. companies. It generally invests in the securities of larger companies. The fund uses a value investment philosophy in selecting equity securities. This value investment philosophy is based upon the belief that, over time, a company's stock price converges with the adviser's estimate of the company's intrinsic value.

What is the expense ratio for OAKMX?

OAKMX has an expense ratio of 0.01% per year. On a $10,000 investment, that amounts to roughly $1 annually in fund fees. This is considered a very low-cost fund.

How has OAKMX performed historically?

OAKMX has posted a 1-year return of +11.00%, 3-year return of +15.94%, 5-year return of +9.66%, 10-year return of +334.44%. Past performance does not guarantee future results. Returns are annualized for periods greater than one year.

What is the minimum investment for OAKMX?

OAKMX requires a minimum initial investment of $1,000. Some brokerages or retirement accounts may waive or reduce this minimum.

Is OAKMX a good investment?

Whether OAKMX is right for you depends on your investment goals, time horizon, and risk tolerance. Key factors to evaluate include its 0.01% expense ratio, Large Value category exposure, historical returns, and how it fits within your broader portfolio. We recommend comparing it against similar funds in the same category and consulting a qualified financial advisor.

Important: Past performance does not guarantee future results. This information is provided for educational purposes only and should not be considered investment advice. Please consult with a financial advisor before making investment decisions.

Compare Mutual Funds LogoCMF

Compare mutual funds with transparent, data-driven insights. Make informed investment decisions.

Product

  • Compare Funds
  • Learning Center
  • Fee Calculator
  • Return Simulator

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  • About Us

Legal

  • Disclosures
  • Privacy Policy
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© 2026 CompareMutualFunds. All rights reserved.

Investment information provided for educational purposes only. Past performance does not guarantee future results.