JMGMX vs. VIMAX

Last updated Jun 4, 2026

JMGMX (JPMorgan Mid Cap Growth Fund Class R6) and VIMAX (Vanguard Mid-Cap Index Fund Admiral Shares) are both mutual funds - JMGMX is a Mid Cap Growth Equities fund tracking the Russell Midcap Growth Index, while VIMAX is a Mid Cap Blend Equities fund managed by Vanguard. Over the past 10 years, JMGMX returned 13.97%/yr vs 11.58%/yr for VIMAX. Their correlation of 0.92 suggests significant overlap in exposure. JMGMX charges 0.65%/yr vs 0.05%/yr for VIMAX.

Performance

JMGMX vs. VIMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in JPMorgan Mid Cap Growth Fund Class R6 (JMGMX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JMGMX achieves a 6.73% return, which is significantly lower than VIMAX's 10.54% return. Over the past 10 years, JMGMX has outperformed VIMAX with an annualized return of 13.97%, while VIMAX has yielded a comparatively lower 11.58% annualized return.

JMGMX

• 1D: 0.09%
• 1M: 4.72%
• YTD: 6.73%
• 6M: 4.98%
• 1Y: 12.65%
• 3Y*: 16.72%
• 5Y*: 7.01%
• 10Y*: 13.97%

VIMAX

• 1D: 0.90%
• 1M: 3.68%
• YTD: 10.54%
• 6M: 10.20%
• 1Y: 18.73%
• 3Y*: 16.82%
• 5Y*: 8.10%
• 10Y*: 11.58%

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

JMGMX vs. VIMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JMGMX JPMorgan Mid Cap Growth Fund Class R6	6.73%	8.86%	22.68%	23.35%	-26.95%	10.89%	48.58%	40.03%	-4.88%	29.74%
VIMAX Vanguard Mid-Cap Index Fund Admiral Shares	10.54%	11.67%	14.66%	16.53%	-18.70%	24.51%	18.18%	31.03%	-9.24%	19.26%

Correlation

The correlation between JMGMX and VIMAX is 0.86, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.87
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Nov 2, 2011	0.92

The correlation between JMGMX and VIMAX has been stable across timeframes, ranging from 0.86 to 0.92 - a consistent structural relationship.

Return for Risk

JMGMX vs. VIMAX — Risk / Return Rank

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

JMGMX

JMGMX Risk / Return Rank: 10
JMGMX Sharpe Ratio Rank: 10
JMGMX Sortino Ratio Rank: 10
JMGMX Omega Ratio Rank: 9
JMGMX Calmar Ratio Rank: 10
JMGMX Martin Ratio Rank: 10

VIMAX

VIMAX Risk / Return Rank: 35
VIMAX Sharpe Ratio Rank: 32
VIMAX Sortino Ratio Rank: 31
VIMAX Omega Ratio Rank: 29
VIMAX Calmar Ratio Rank: 41
VIMAX Martin Ratio Rank: 44

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.

JMGMX vs. VIMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for JPMorgan Mid Cap Growth Fund Class R6 (JMGMX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX). 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.

	JMGMX	VIMAX	Difference
Sharpe ratio: Return per unit of total volatility	0.79	1.61	-0.82
Sortino ratio: Return per unit of downside risk	1.22	2.31	-1.09
Omega ratio: Gain probability vs. loss probability	1.14	1.28	-0.14
Calmar ratio: Return relative to maximum drawdown	0.98	2.44	-1.46
Martin ratio: Return relative to average drawdown	3.12	9.28	-6.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JMGMX vs. VIMAX - Sharpe Ratio Comparison

The current JMGMX Sharpe Ratio is 0.79, which is lower than the VIMAX Sharpe Ratio of 1.61. The chart below compares the historical Sharpe Ratios of JMGMX and VIMAX, 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

	JMGMX	VIMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.79	1.61	-0.82
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.32	0.46	-0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.64	0.61	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.50	+0.15

Drawdowns

JMGMX vs. VIMAX - Drawdown Comparison

The maximum JMGMX drawdown since its inception was -37.07%, smaller than the maximum VIMAX drawdown of -58.88%. Use the drawdown chart below to compare losses from any high point for JMGMX and VIMAX.

Drawdown Indicators

	JMGMX	VIMAX	Difference
Max Drawdown Largest peak-to-trough decline	-37.07%	-58.88%	+21.81%
Max Drawdown (1Y) Largest decline over 1 year	-14.11%	-8.13%	-5.98%
Max Drawdown (3Y) Largest decline over 3 years	-25.50%	-18.93%	-6.57%
Max Drawdown (5Y) Largest decline over 5 years	-37.07%	-27.55%	-9.52%
Max Drawdown (10Y) Largest decline over 10 years	-37.07%	-39.30%	+2.23%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.77%	-8.12%	+0.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.41%	2.14%	+2.27%

Volatility

JMGMX vs. VIMAX - Volatility Comparison

JPMorgan Mid Cap Growth Fund Class R6 (JMGMX) has a higher volatility of 4.35% compared to Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX) at 2.97%. This indicates that JMGMX's price experiences larger fluctuations and is considered to be riskier than VIMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JMGMX	VIMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.35%	2.97%	+1.38%
Volatility (6M) Calculated over the trailing 6-month period	13.48%	9.28%	+4.20%
Volatility (1Y) Calculated over the trailing 1-year period	17.37%	12.30%	+5.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.28%	17.63%	+4.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.96%	18.92%	+3.04%

JMGMX vs. VIMAX - Expense Ratio Comparison

JMGMX has a 0.65% expense ratio, which is higher than VIMAX's 0.05% expense ratio.

Dividends

JMGMX vs. VIMAX - Dividend Comparison

JMGMX's dividend yield for the trailing twelve months is around 8.47%, more than VIMAX's 1.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JMGMX JPMorgan Mid Cap Growth Fund Class R6	8.47%	9.04%	14.16%	0.00%	0.76%	8.62%	10.47%	7.13%	7.14%	6.32%	0.04%	5.26%
VIMAX Vanguard Mid-Cap Index Fund Admiral Shares	1.34%	1.51%	1.48%	1.50%	1.59%	1.11%	1.44%	1.47%	1.82%	1.35%	1.45%	1.47%

Frequently Asked Questions

Can I hold both JMGMX and VIMAX in my portfolio?

JMGMX and VIMAX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JMGMX or VIMAX?

JMGMX has higher volatility (4.35%) compared to VIMAX (2.97%). In terms of maximum drawdown, JMGMX dropped -37.07% vs VIMAX's -58.88%.

Which has better risk-adjusted returns?

VIMAX currently has the higher Sharpe Ratio (1.61 vs 0.79), 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.