Compare Mutual Funds LogoCompare Mutual FundsCMF
Compare FundsComparisonsLearnToolsAI Advisor
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

Company

  • About Us

Legal

  • Disclosures
  • Privacy Policy
  • Terms of Service

© 2026 CompareMutualFunds. All rights reserved.

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

Compare Mutual Funds LogoCompare Mutual FundsCMF
Compare FundsComparisonsLearnToolsAI Advisor

The Growth Fund of America Clas

AGTHX
Large Growth
American Funds

The fund invests primarily in common stocks and seeks to invest in companies that appear to offer superior opportunities for growth of capital. It may invest up to 25% of its assets in securities of issuers domiciled outside the United States. The investment adviser uses a system of multiple portfolio managers in managing the fund's assets. Under this approach, the portfolio of the fund is divided into segments managed by individual managers.

Expense Ratio
0.01%
What's an expense ratio?
5-Year Return
+18.27%
How to read fund performance
Volatility
+18.91%
What is volatility?
Total Assets
$306.4K
Performance History
1-Year Return+25.03%
3-Year Return+32.16%
5-Year Return+18.27%
10-Year Return+737.91%
Fund Details
Minimum Investment$250
Fund ManagerAmerican Funds Management Team
Inception Date2008-07-31
Assets Under Management$306,397 M
Data Last UpdatedApr 13, 2026
How to Invest in AGTHX

Buy directly from American Funds

American Funds funds can be purchased directly through their website, typically with no transaction fee. Minimum investment: $250.

Visit CapitalGroup.com

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 The Growth Fund of America Clas
Calculating for:
AGTHX

The Growth Fund of America Clas

Pre-filled with AGTHX's historical average return

AGTHX'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 AGTHX'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 The Growth Fund of America Clas
Projecting for:
AGTHX

The Growth Fund of America Clas

How much are you investing today?

How much will you contribute each month?

How long will you invest for?

Pre-filled with AGTHX'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 AGTHX'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

NVDANVIDIA Corp
0.00%
AVGOBroadcom Inc
0.00%
MSFTMicrosoft Corp
0.00%
METAMeta Platforms Inc Class A
0.00%
LLYEli Lilly and Co
0.00%
GOOGLAlphabet Inc Class A
0.00%
AMZNAmazon.com Inc
0.00%
GOOGAlphabet Inc Class C
0.00%
TSLATesla Inc
0.00%
AAPLApple Inc
0.00%

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

Similar Funds in Large Growth

VSGAX
Vanguard

Vanguard Small-Cap Growth Index

Expense Ratio0.00%
5-Year Return+3.24%
FSEVX
Fidelity

Fidelity Extended Market Index

Expense Ratio0.00%
5-Year Return+12.30%
VIGAX
Vanguard

Vanguard Growth Index Fd Admira

Expense Ratio0.00%
5-Year Return+11.85%
VPMAX
Vanguard

Vanguard Primecap Fund Admiral Shares

Expense Ratio0.00%
5-Year Return+23.11%

Frequently Asked Questions

What is AGTHX?

AGTHX is the ticker symbol for The Growth Fund of America Clas, a Large Growth mutual fund managed by American Funds. The fund invests primarily in common stocks and seeks to invest in companies that appear to offer superior opportunities for growth of capital. It may invest up to 25% of its assets in securities of issuers domiciled outside the United States. The investment adviser uses a system of multiple portfolio managers in managing the fund's assets. Under this approach, the portfolio of the fund is divided into segments managed by individual managers.

What is the expense ratio for AGTHX?

AGTHX 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 AGTHX performed historically?

AGTHX has posted a 1-year return of +25.03%, 3-year return of +32.16%, 5-year return of +18.27%, 10-year return of +737.91%. Past performance does not guarantee future results. Returns are annualized for periods greater than one year.

What is the minimum investment for AGTHX?

AGTHX requires a minimum initial investment of $250. Some brokerages or retirement accounts may waive or reduce this minimum.

Is AGTHX a good investment?

Whether AGTHX 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 Growth 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

Company

  • About Us

Legal

  • Disclosures
  • Privacy Policy
  • Terms of Service

© 2026 CompareMutualFunds. All rights reserved.

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