GFACX vs. MRFOX
Compare and contrast key facts about American Funds The Growth Fund of America Fund Class C (GFACX) and Marshfield Concentrated Opportunity Fund (MRFOX).
GFACX is a passively managed fund by American Funds that tracks the performance of the S&P 500. It was launched on Mar 15, 2001. MRFOX is managed by Marshfield. It was launched on Dec 29, 2015.
Performance
GFACX vs. MRFOX - Performance Comparison
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GFACX vs. MRFOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GFACX American Funds The Growth Fund of America Fund Class C | -11.38% | 18.80% | 27.01% | 36.20% | -31.28% | 18.41% | 36.84% | 27.20% | -3.93% | 25.13% |
MRFOX Marshfield Concentrated Opportunity Fund | -4.08% | 10.05% | 17.10% | 17.68% | 5.06% | 17.71% | 15.19% | 36.26% | 1.89% | 25.92% |
Returns By Period
In the year-to-date period, GFACX achieves a -11.38% return, which is significantly lower than MRFOX's -4.08% return. Over the past 10 years, GFACX has underperformed MRFOX with an annualized return of 13.05%, while MRFOX has yielded a comparatively higher 15.18% annualized return.
GFACX
- 1D
- -0.48%
- 1M
- -9.70%
- YTD
- -11.38%
- 6M
- -10.24%
- 1Y
- 12.70%
- 3Y*
- 17.95%
- 5Y*
- 7.70%
- 10Y*
- 13.05%
MRFOX
- 1D
- 0.67%
- 1M
- -5.13%
- YTD
- -4.08%
- 6M
- -4.60%
- 1Y
- 2.70%
- 3Y*
- 12.36%
- 5Y*
- 10.91%
- 10Y*
- 15.18%
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GFACX vs. MRFOX - Expense Ratio Comparison
GFACX has a 1.35% expense ratio, which is higher than MRFOX's 1.05% expense ratio.
Return for Risk
GFACX vs. MRFOX — Risk / Return Rank
GFACX
MRFOX
GFACX vs. MRFOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds The Growth Fund of America Fund Class C (GFACX) and Marshfield Concentrated Opportunity Fund (MRFOX). 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.
| GFACX | MRFOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.60 | 0.31 | +0.29 |
Sortino ratioReturn per unit of downside risk | 1.01 | 0.54 | +0.47 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.07 | +0.08 |
Calmar ratioReturn relative to maximum drawdown | 0.69 | 0.31 | +0.38 |
Martin ratioReturn relative to average drawdown | 2.66 | 0.80 | +1.86 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GFACX | MRFOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.60 | 0.31 | +0.29 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | 0.91 | -0.53 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.67 | 1.07 | -0.40 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.47 | 1.05 | -0.59 |
Correlation
The correlation between GFACX and MRFOX is 0.69, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
GFACX vs. MRFOX - Dividend Comparison
GFACX's dividend yield for the trailing twelve months is around 14.02%, more than MRFOX's 1.69% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GFACX American Funds The Growth Fund of America Fund Class C | 14.02% | 12.43% | 10.01% | 7.82% | 4.22% | 9.11% | 4.48% | 7.03% | 12.28% | 7.04% | 6.43% | 8.73% |
MRFOX Marshfield Concentrated Opportunity Fund | 1.69% | 1.62% | 4.59% | 0.46% | 0.35% | 6.78% | 2.68% | 1.39% | 1.94% | 2.06% | 0.60% | 0.00% |
Drawdowns
GFACX vs. MRFOX - Drawdown Comparison
The maximum GFACX drawdown since its inception was -52.39%, which is greater than MRFOX's maximum drawdown of -29.10%. Use the drawdown chart below to compare losses from any high point for GFACX and MRFOX.
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Drawdown Indicators
| GFACX | MRFOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -52.39% | -29.10% | -23.29% |
Max Drawdown (1Y)Largest decline over 1 year | -13.90% | -7.09% | -6.81% |
Max Drawdown (5Y)Largest decline over 5 years | -36.81% | -12.98% | -23.83% |
Max Drawdown (10Y)Largest decline over 10 years | -36.81% | -29.10% | -7.71% |
Current DrawdownCurrent decline from peak | -13.90% | -6.40% | -7.50% |
Average DrawdownAverage peak-to-trough decline | -9.20% | -2.37% | -6.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.61% | 2.75% | +0.86% |
Volatility
GFACX vs. MRFOX - Volatility Comparison
American Funds The Growth Fund of America Fund Class C (GFACX) has a higher volatility of 5.47% compared to Marshfield Concentrated Opportunity Fund (MRFOX) at 2.74%. This indicates that GFACX's price experiences larger fluctuations and is considered to be riskier than MRFOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GFACX | MRFOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.47% | 2.74% | +2.73% |
Volatility (6M)Calculated over the trailing 6-month period | 11.61% | 7.00% | +4.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.77% | 11.79% | +8.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.17% | 12.04% | +8.13% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.61% | 14.29% | +5.32% |