RMFFX Performance — American Mutual Fund, Class R-5
Data updated: 2026-09-28
RMFFX returned +9.88% year to date and +16.33% over one year to Jul 2026. Annualised returns are +15.01% over 3 years and +11.01% over 5 years. The fund trailed its US Large Value category average: $100 invested three years ago grew to $152, against $156 for the category, and to $116 over one year, against $122. Volatility over the past three years was 10.36% a year. In the 12 months to Jul 2026 the fund took in a net $344.7M, and assets reached $117.94B.
RMFFX Growth of $100
What $100 invested in American Mutual Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Large Value category average over the same months.
| Period | RMFFX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $116 | $122 |
| 3 years (Aug 2023 – Jul 2026) | $152 | $156 |
| 5 years (Aug 2021 – Jul 2026) | $169 | $168 |
| Since data start (Aug 2019 – Jul 2026) | $220 | $226 |
RMFFX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +9.88% |
| 1 year | +16.33% |
| 3 years (annualised) | +15.01% |
| 5 years (annualised) | +11.01% |
RMFFX Annual Returns
Calendar-year total returns of American Mutual Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +9.88% |
| 2025 | +16.43% |
| 2024 | +15.26% |
| 2023 | +9.70% |
| 2022 | −4.26% |
| 2021 | +25.27% |
| 2020 | +5.04% |
| 2019 (Aug–Dec) | +7.86% |
RMFFX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +2.1% | +3.0% | −6.2% | +5.7% | +2.2% | +2.2% | +0.8% | — | — | — | — | — |
| 2025 | +4.3% | +1.0% | −2.7% | −2.1% | +4.5% | +3.6% | +1.2% | +1.7% | +2.3% | −0.3% | +2.6% | −0.6% |
| 2024 | +0.7% | +3.0% | +3.2% | −3.5% | +3.0% | +1.1% | +4.3% | +3.2% | +1.7% | −1.2% | +3.5% | −4.4% |
| 2023 | +2.3% | −2.8% | +1.3% | +2.0% | −3.6% | +4.6% | +2.6% | −2.3% | −3.5% | −1.6% | +6.7% | +4.2% |
| 2022 | −1.9% | −1.3% | +3.4% | −4.5% | +2.0% | −5.9% | +3.9% | −2.6% | −7.3% | +8.6% | +5.8% | −3.2% |
| 2021 | −0.8% | +2.2% | +6.4% | +3.4% | +1.9% | −0.2% | +1.4% | +1.7% | −3.3% | +6.1% | −1.9% | +6.3% |
| 2020 | −1.1% | −7.7% | −10.4% | +9.1% | +3.3% | +0.3% | +3.6% | +3.7% | −2.5% | −3.1% | +9.6% | +2.0% |
| 2019 | — | — | — | — | — | — | — | 0.0% | +2.0% | +0.5% | +2.7% | +2.5% |
RMFFX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 10.36%
- 3-year Sharpe ratio: 1.01 (vs 4.5% risk-free rate)
- Best month: +6.71% (Nov 2023)
- Worst month: −6.19% (Mar 2026)
RMFFX Fund Flows
Monthly money in and out of American Mutual Fund, from SEC Form N-PORT.
- 12-month net flow: $344.7M
- 12-month gross sales (incl. reinvestments): $18.4B
- Sales ÷ redemptions: 1.02×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $754.2M | $1.9B | −$1.1B |
| Jun 2026 | $1.1B | $1.7B | −$609.8M |
| May 2026 | $780.5M | $1.4B | −$641.2M |
| Apr 2026 | $1.2B | $1.9B | −$796.7M |
| Mar 2026 | $1.8B | $1.2B | $649.4M |
| Feb 2026 | $659.1M | $1.3B | −$618.0M |
| Jan 2026 | $1.2B | $1.5B | −$370.8M |
| Dec 2025 | $7.5B | $1.8B | $5.7B |
| Nov 2025 | $689.8M | $1.0B | −$327.3M |
| Oct 2025 | $773.0M | $1.4B | −$603.7M |
| Sep 2025 | $1.3B | $1.1B | $205.8M |
| Aug 2025 | $710.5M | $1.8B | −$1.1B |
RMFFX Assets Under Management
Net assets of American Mutual Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $117.94B |
| 2026-04-30 | $114.79B |
| 2026-01-31 | $113.53B |
| 2025-10-31 | $110.84B |
| 2025-07-31 | $108.70B |
| 2025-04-30 | $99.96B |
| 2025-01-31 | $105.13B |
| 2024-10-31 | $103.48B |
| 2024-07-31 | $101.41B |
| 2024-04-30 | $94.09B |
| 2024-01-31 | $92.06B |
| 2023-10-31 | $83.46B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.