GAFFX vs. ANCFX
Compare and contrast key facts about American Funds Growth Fund of Amer F3 (GAFFX) and American Funds Fundamental Investors Class A (ANCFX).
GAFFX is managed by American Funds. It was launched on Aug 1, 2008. ANCFX is managed by American Funds. It was launched on Jan 8, 1978.
Performance
GAFFX vs. ANCFX - Performance Comparison
Loading graphics...
GAFFX vs. ANCFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GAFFX American Funds Growth Fund of Amer F3 | -11.16% | 20.09% | 28.41% | 37.68% | -30.54% | 19.67% | 38.31% | 28.57% | -2.89% | 20.76% |
ANCFX American Funds Fundamental Investors Class A | -6.13% | 24.21% | 22.73% | 25.86% | -16.66% | 22.43% | 14.92% | 27.07% | -8.13% | 19.29% |
Returns By Period
In the year-to-date period, GAFFX achieves a -11.16% return, which is significantly lower than ANCFX's -6.13% return.
GAFFX
- 1D
- -0.47%
- 1M
- -9.63%
- YTD
- -11.16%
- 6M
- -9.74%
- 1Y
- 13.93%
- 3Y*
- 19.23%
- 5Y*
- 8.86%
- 10Y*
- —
ANCFX
- 1D
- -0.62%
- 1M
- -9.88%
- YTD
- -6.13%
- 6M
- -2.09%
- 1Y
- 20.46%
- 3Y*
- 19.35%
- 5Y*
- 11.57%
- 10Y*
- 12.92%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
GAFFX vs. ANCFX - Expense Ratio Comparison
GAFFX has a 0.30% expense ratio, which is lower than ANCFX's 0.59% expense ratio.
Return for Risk
GAFFX vs. ANCFX — Risk / Return Rank
GAFFX
ANCFX
GAFFX vs. ANCFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Growth Fund of Amer F3 (GAFFX) and American Funds Fundamental Investors Class A (ANCFX). 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.
| GAFFX | ANCFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.66 | 1.16 | -0.49 |
Sortino ratioReturn per unit of downside risk | 1.09 | 1.75 | -0.66 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.25 | -0.09 |
Calmar ratioReturn relative to maximum drawdown | 0.79 | 1.61 | -0.82 |
Martin ratioReturn relative to average drawdown | 3.04 | 7.19 | -4.16 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| GAFFX | ANCFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.66 | 1.16 | -0.49 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.44 | 0.70 | -0.26 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.73 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.69 | 0.61 | +0.08 |
Correlation
The correlation between GAFFX and ANCFX is 0.95, 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
GAFFX vs. ANCFX - Dividend Comparison
GAFFX's dividend yield for the trailing twelve months is around 12.39%, more than ANCFX's 9.11% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GAFFX American Funds Growth Fund of Amer F3 | 12.39% | 11.00% | 9.30% | 7.71% | 4.45% | 8.50% | 4.58% | 7.47% | 12.37% | 7.36% | 0.00% | 0.00% |
ANCFX American Funds Fundamental Investors Class A | 9.11% | 8.54% | 8.90% | 5.80% | 4.98% | 10.97% | 2.61% | 6.91% | 9.31% | 7.28% | 4.71% | 6.08% |
Drawdowns
GAFFX vs. ANCFX - Drawdown Comparison
The maximum GAFFX drawdown since its inception was -36.19%, smaller than the maximum ANCFX drawdown of -53.29%. Use the drawdown chart below to compare losses from any high point for GAFFX and ANCFX.
Loading graphics...
Drawdown Indicators
| GAFFX | ANCFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -36.19% | -53.29% | +17.10% |
Max Drawdown (1Y)Largest decline over 1 year | -13.71% | -11.35% | -2.36% |
Max Drawdown (5Y)Largest decline over 5 years | -36.19% | -25.07% | -11.12% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.93% | — |
Current DrawdownCurrent decline from peak | -13.71% | -10.66% | -3.05% |
Average DrawdownAverage peak-to-trough decline | -7.51% | -7.34% | -0.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.55% | 2.54% | +1.01% |
Volatility
GAFFX vs. ANCFX - Volatility Comparison
American Funds Growth Fund of Amer F3 (GAFFX) has a higher volatility of 5.47% compared to American Funds Fundamental Investors Class A (ANCFX) at 4.98%. This indicates that GAFFX's price experiences larger fluctuations and is considered to be riskier than ANCFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| GAFFX | ANCFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.47% | 4.98% | +0.49% |
Volatility (6M)Calculated over the trailing 6-month period | 11.61% | 10.64% | +0.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.76% | 17.94% | +2.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.17% | 16.67% | +3.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.19% | 17.65% | +2.54% |