RMBMX vs. VHCOX

Last updated Jun 5, 2026

RMBMX (RMB SMID Cap Fund) and VHCOX (Vanguard Capital Opportunity Fund Investor Shares) are both Mid Cap Growth Equities funds. Over the past 10 years, RMBMX returned 10.99%/yr vs 17.07%/yr for VHCOX. Their correlation of 0.89 suggests significant overlap in exposure. RMBMX charges 0.84%/yr vs 0.43%/yr for VHCOX.

Performance

RMBMX vs. VHCOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RMB SMID Cap Fund (RMBMX) and Vanguard Capital Opportunity Fund Investor Shares (VHCOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RMBMX achieves a 8.56% return, which is significantly lower than VHCOX's 25.62% return. Over the past 10 years, RMBMX has underperformed VHCOX with an annualized return of 10.99%, while VHCOX has yielded a comparatively higher 17.07% annualized return.

RMBMX

• 1D: 0.09%
• 1M: 0.87%
• YTD: 8.56%
• 6M: 6.42%
• 1Y: 13.33%
• 3Y*: 12.17%
• 5Y*: 5.30%
• 10Y*: 10.99%

VHCOX

• 1D: 0.15%
• 1M: 12.04%
• YTD: 25.62%
• 6M: 27.15%
• 1Y: 55.65%
• 3Y*: 26.86%
• 5Y*: 14.44%
• 10Y*: 17.07%

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

RMBMX vs. VHCOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RMBMX RMB SMID Cap Fund	8.56%	2.46%	10.04%	20.32%	-20.36%	28.05%	24.43%	31.74%	-5.04%	13.65%
VHCOX Vanguard Capital Opportunity Fund Investor Shares	25.62%	25.74%	14.00%	25.55%	-17.61%	20.85%	22.73%	27.20%	-3.76%	28.28%

Correlation

The correlation between RMBMX and VHCOX is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Jan 3, 2005	0.89

The correlation between RMBMX and VHCOX shifts across timeframes, from 0.73 (1 year) to 0.89 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RMBMX vs. VHCOX — Risk / Return Rank

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

RMBMX

RMBMX Risk / Return Rank: 13
RMBMX Sharpe Ratio Rank: 11
RMBMX Sortino Ratio Rank: 12
RMBMX Omega Ratio Rank: 11
RMBMX Calmar Ratio Rank: 15
RMBMX Martin Ratio Rank: 17

VHCOX

VHCOX Risk / Return Rank: 90
VHCOX Sharpe Ratio Rank: 94
VHCOX Sortino Ratio Rank: 90
VHCOX Omega Ratio Rank: 84
VHCOX Calmar Ratio Rank: 89
VHCOX Martin Ratio Rank: 93

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.

RMBMX vs. VHCOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RMB SMID Cap Fund (RMBMX) and Vanguard Capital Opportunity Fund Investor Shares (VHCOX). 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.

	RMBMX	VHCOX	Difference
Sharpe ratio: Return per unit of total volatility	0.84	3.32	-2.48
Sortino ratio: Return per unit of downside risk	1.35	4.45	-3.10
Omega ratio: Gain probability vs. loss probability	1.15	1.58	-0.43
Calmar ratio: Return relative to maximum drawdown	1.28	4.53	-3.26
Martin ratio: Return relative to average drawdown	4.49	20.34	-15.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RMBMX vs. VHCOX - Sharpe Ratio Comparison

The current RMBMX Sharpe Ratio is 0.84, which is lower than the VHCOX Sharpe Ratio of 3.32. The chart below compares the historical Sharpe Ratios of RMBMX and VHCOX, 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

	RMBMX	VHCOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.84	3.32	-2.48
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	0.73	-0.47
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.84	-0.31
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.62	-0.21

Drawdowns

RMBMX vs. VHCOX - Drawdown Comparison

The maximum RMBMX drawdown since its inception was -52.47%, roughly equal to the maximum VHCOX drawdown of -54.76%. Use the drawdown chart below to compare losses from any high point for RMBMX and VHCOX.

Drawdown Indicators

	RMBMX	VHCOX	Difference
Max Drawdown Largest peak-to-trough decline	-52.47%	-54.76%	+2.29%
Max Drawdown (1Y) Largest decline over 1 year	-10.40%	-12.43%	+2.03%
Max Drawdown (3Y) Largest decline over 3 years	-24.10%	-23.87%	-0.23%
Max Drawdown (5Y) Largest decline over 5 years	-29.03%	-27.59%	-1.44%
Max Drawdown (10Y) Largest decline over 10 years	-39.63%	-33.78%	-5.85%
Current Drawdown Current decline from peak	-0.77%	0.00%	-0.77%
Average Drawdown Average peak-to-trough decline	-7.92%	-10.00%	+2.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.96%	2.77%	+0.19%

Volatility

RMBMX vs. VHCOX - Volatility Comparison

The current volatility for RMB SMID Cap Fund (RMBMX) is 4.02%, while Vanguard Capital Opportunity Fund Investor Shares (VHCOX) has a volatility of 6.64%. This indicates that RMBMX experiences smaller price fluctuations and is considered to be less risky than VHCOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RMBMX	VHCOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.02%	6.64%	-2.62%
Volatility (6M) Calculated over the trailing 6-month period	11.63%	13.71%	-2.08%
Volatility (1Y) Calculated over the trailing 1-year period	15.81%	16.99%	-1.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.77%	19.88%	+0.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.84%	20.34%	+0.50%

RMBMX vs. VHCOX - Expense Ratio Comparison

RMBMX has a 0.84% expense ratio, which is higher than VHCOX's 0.43% expense ratio.

Dividends

RMBMX vs. VHCOX - Dividend Comparison

RMBMX's dividend yield for the trailing twelve months is around 18.18%, more than VHCOX's 7.66% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RMBMX RMB SMID Cap Fund	18.18%	19.73%	9.50%	10.12%	8.40%	5.53%	5.34%	14.27%	15.63%	14.74%	18.84%	6.38%
VHCOX Vanguard Capital Opportunity Fund Investor Shares	7.66%	9.62%	8.16%	2.33%	9.26%	10.44%	9.10%	6.41%	12.11%	3.87%	5.66%	5.30%

Frequently Asked Questions

Can I hold both RMBMX and VHCOX in my portfolio?

RMBMX and VHCOX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RMBMX or VHCOX?

VHCOX has higher volatility (6.64%) compared to RMBMX (4.02%). In terms of maximum drawdown, RMBMX dropped -52.47% vs VHCOX's -54.76%.

Which has better risk-adjusted returns?

VHCOX currently has the higher Sharpe Ratio (3.32 vs 0.84), 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.