DMB vs. FUNFX

Last updated Jun 4, 2026

DMB (Dimensional Multi-Blend Fund) and FUNFX (American Funds Fundamental Investors® Class F-3) are both Large Cap Blend Equities funds. Over the past 5 years, DMB returned -1.82%/yr vs 15.27%/yr for FUNFX. At a 0.22 correlation, their price movements are largely independent. DMB charges 0.03%/yr vs 0.28%/yr for FUNFX.

Performance

DMB vs. FUNFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional Multi-Blend Fund (DMB) and American Funds Fundamental Investors® Class F-3 (FUNFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DMB achieves a 1.17% return, which is significantly lower than FUNFX's 15.28% return.

DMB

• 1D: -0.46%
• 1M: 1.86%
• YTD: 1.17%
• 6M: 5.51%
• 1Y: 14.62%
• 3Y*: 4.98%
• 5Y*: -1.82%
• 10Y*: 2.15%

FUNFX

• 1D: 0.01%
• 1M: 5.92%
• YTD: 15.28%
• 6M: 16.32%
• 1Y: 34.95%
• 3Y*: 26.48%
• 5Y*: 15.27%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

DMB vs. FUNFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DMB Dimensional Multi-Blend Fund	1.17%	10.69%	3.87%	2.42%	-23.23%	7.04%	0.75%	28.84%	-3.89%	6.03%
FUNFX American Funds Fundamental Investors® Class F-3	15.28%	24.57%	23.13%	26.25%	-16.38%	22.81%	15.28%	27.47%	-7.87%	19.59%

Correlation

The correlation between DMB and FUNFX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.25
Correlation (3Y) Calculated over the trailing 3-year period	0.27
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (All Time) Calculated using the full available price history since Feb 2, 2017	0.22

Return for Risk

DMB vs. FUNFX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

DMB

DMB Risk / Return Rank: 31
DMB Sharpe Ratio Rank: 32
DMB Sortino Ratio Rank: 34
DMB Omega Ratio Rank: 36
DMB Calmar Ratio Rank: 25
DMB Martin Ratio Rank: 28

FUNFX

FUNFX Risk / Return Rank: 76
FUNFX Sharpe Ratio Rank: 81
FUNFX Sortino Ratio Rank: 71
FUNFX Omega Ratio Rank: 71
FUNFX Calmar Ratio Rank: 74
FUNFX Martin Ratio Rank: 83

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

DMB vs. FUNFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional Multi-Blend Fund (DMB) and American Funds Fundamental Investors® Class F-3 (FUNFX). 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.

	DMB	FUNFX	Difference
Sharpe ratio: Return per unit of total volatility	1.62	2.61	-0.99
Sortino ratio: Return per unit of downside risk	2.45	3.50	-1.05
Omega ratio: Gain probability vs. loss probability	1.32	1.47	-0.16
Calmar ratio: Return relative to maximum drawdown	1.83	3.38	-1.55
Martin ratio: Return relative to average drawdown	6.63	15.68	-9.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DMB vs. FUNFX - Sharpe Ratio Comparison

The current DMB Sharpe Ratio is 1.62, which is lower than the FUNFX Sharpe Ratio of 2.61. The chart below compares the historical Sharpe Ratios of DMB and FUNFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DMB	FUNFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.62	2.61	-0.99
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.12	0.91	-1.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.14	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.17	0.84	-0.67

Drawdowns

DMB vs. FUNFX - Drawdown Comparison

The maximum DMB drawdown since its inception was -40.15%, which is greater than FUNFX's maximum drawdown of -33.92%. Use the drawdown chart below to compare losses from any high point for DMB and FUNFX.

Drawdown Indicators

	DMB	FUNFX	Difference
Max Drawdown Largest peak-to-trough decline	-40.15%	-33.92%	-6.23%
Max Drawdown (1Y) Largest decline over 1 year	-8.00%	-10.62%	+2.62%
Max Drawdown (3Y) Largest decline over 3 years	-22.06%	-17.93%	-4.13%
Max Drawdown (5Y) Largest decline over 5 years	-40.15%	-24.88%	-15.27%
Max Drawdown (10Y) Largest decline over 10 years	-40.15%	—	—
Current Drawdown Current decline from peak	-19.67%	0.00%	-19.67%
Average Drawdown Average peak-to-trough decline	-14.29%	-4.71%	-9.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.21%	2.29%	-0.08%

Volatility

DMB vs. FUNFX - Volatility Comparison

The current volatility for Dimensional Multi-Blend Fund (DMB) is 3.35%, while American Funds Fundamental Investors® Class F-3 (FUNFX) has a volatility of 3.68%. This indicates that DMB experiences smaller price fluctuations and is considered to be less risky than FUNFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DMB	FUNFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.35%	3.68%	-0.33%
Volatility (6M) Calculated over the trailing 6-month period	7.19%	10.82%	-3.63%
Volatility (1Y) Calculated over the trailing 1-year period	9.07%	13.75%	-4.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.66%	16.80%	-2.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.20%	18.11%	-2.91%

DMB vs. FUNFX - Expense Ratio Comparison

DMB has a 0.03% expense ratio, which is lower than FUNFX's 0.28% expense ratio.

Dividends

DMB vs. FUNFX - Dividend Comparison

DMB's dividend yield for the trailing twelve months is around 4.51%, less than FUNFX's 7.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DMB Dimensional Multi-Blend Fund	4.51%	3.93%	3.48%	4.46%	5.80%	4.42%	4.54%	4.36%	5.36%	4.89%	5.97%	6.06%
FUNFX American Funds Fundamental Investors® Class F-3	7.69%	8.83%	9.21%	6.10%	5.33%	11.29%	2.90%	7.21%	9.65%	7.57%	0.00%	0.00%

Frequently Asked Questions

Can I hold both DMB and FUNFX in my portfolio?

DMB and FUNFX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DMB or FUNFX?

FUNFX has higher volatility (3.68%) compared to DMB (3.35%). In terms of maximum drawdown, DMB dropped -40.15% vs FUNFX's -33.92%.

Which has better risk-adjusted returns?

FUNFX currently has the higher Sharpe Ratio (2.61 vs 1.62), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.