MDFGX vs. VINIX

Last updated Jun 13, 2026

MDFGX (BlackRock Capital Appreciation Fund) and VINIX (Vanguard Institutional Index Fund Institutional Shares) are both mutual funds - MDFGX is a Large Cap Growth Equities fund managed by BlackRock, while VINIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, MDFGX returned 16.67%/yr vs 15.50%/yr for VINIX. Their correlation of 0.92 suggests significant overlap in exposure. MDFGX charges 0.97%/yr vs 0.04%/yr for VINIX.

Performance

MDFGX vs. VINIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Capital Appreciation Fund (MDFGX) and Vanguard Institutional Index Fund Institutional Shares (VINIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with MDFGX having a 8.54% return and VINIX slightly higher at 8.58%. Over the past 10 years, MDFGX has outperformed VINIX with an annualized return of 16.67%, while VINIX has yielded a comparatively lower 15.50% annualized return.

MDFGX

• 1D: 2.30%
• 1M: -3.72%
• YTD: 8.54%
• 6M: 10.22%
• 1Y: 20.45%
• 3Y*: 22.77%
• 5Y*: 10.48%
• 10Y*: 16.67%

VINIX

• 1D: 1.75%
• 1M: -1.31%
• YTD: 8.58%
• 6M: 8.93%
• 1Y: 25.16%
• 3Y*: 21.46%
• 5Y*: 13.46%
• 10Y*: 15.50%

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

MDFGX vs. VINIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MDFGX BlackRock Capital Appreciation Fund	8.54%	12.63%	31.58%	48.77%	-37.83%	20.78%	40.16%	31.89%	1.81%	32.37%
VINIX Vanguard Institutional Index Fund Institutional Shares	8.58%	17.85%	26.28%	25.77%	-18.15%	28.67%	18.40%	31.46%	-4.42%	21.79%

Correlation

The correlation between MDFGX and VINIX is 0.90, 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	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Jun 20, 1996	0.92

The correlation between MDFGX and VINIX has been stable across timeframes, ranging from 0.90 to 0.92 - a consistent structural relationship.

Return for Risk

MDFGX vs. VINIX — Risk / Return Rank

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

MDFGX

MDFGX Risk / Return Rank: 19
MDFGX Sharpe Ratio Rank: 21
MDFGX Sortino Ratio Rank: 19
MDFGX Omega Ratio Rank: 21
MDFGX Calmar Ratio Rank: 17
MDFGX Martin Ratio Rank: 18

VINIX

VINIX Risk / Return Rank: 73
VINIX Sharpe Ratio Rank: 72
VINIX Sortino Ratio Rank: 68
VINIX Omega Ratio Rank: 68
VINIX Calmar Ratio Rank: 73
VINIX 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.

MDFGX vs. VINIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Capital Appreciation Fund (MDFGX) and Vanguard Institutional Index Fund Institutional Shares (VINIX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MDFGX	VINIX	Difference
Sharpe ratio: Return per unit of total volatility	1.05	1.97	-0.92
Sortino ratio: Return per unit of downside risk	1.47	2.67	-1.20
Omega ratio: Gain probability vs. loss probability	1.19	1.36	-0.17
Calmar ratio: Return relative to maximum drawdown	1.14	2.74	-1.60
Martin ratio: Return relative to average drawdown	3.80	12.44	-8.64

MDFGX vs. VINIX - Sharpe Ratio Comparison

The current MDFGX Sharpe Ratio is 1.05, which is lower than the VINIX Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of MDFGX and VINIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MDFGX vs. VINIX - Drawdown Comparison

The maximum MDFGX drawdown since its inception was -47.99%, smaller than the maximum VINIX drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for MDFGX and VINIX.

Drawdown Indicators

	MDFGX	VINIX	Difference
Max Drawdown Largest peak-to-trough decline	-47.99%	-55.19%	+7.20%
Max Drawdown (1Y) Largest decline over 1 year	-16.74%	-8.90%	-7.84%
Max Drawdown (3Y) Largest decline over 3 years	-24.43%	-18.75%	-5.68%
Max Drawdown (5Y) Largest decline over 5 years	-42.49%	-24.51%	-17.98%
Max Drawdown (10Y) Largest decline over 10 years	-42.49%	-33.79%	-8.70%
Current Drawdown Current decline from peak	-6.14%	-2.79%	-3.35%
Average Drawdown Average peak-to-trough decline	-11.22%	-8.52%	-2.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.99%	1.95%	+3.04%

Volatility

MDFGX vs. VINIX - Volatility Comparison

BlackRock Capital Appreciation Fund (MDFGX) has a higher volatility of 6.95% compared to Vanguard Institutional Index Fund Institutional Shares (VINIX) at 4.43%. This indicates that MDFGX's price experiences larger fluctuations and is considered to be riskier than VINIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MDFGX	VINIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.95%	4.43%	+2.52%
Volatility (6M) Calculated over the trailing 6-month period	14.60%	9.70%	+4.90%
Volatility (1Y) Calculated over the trailing 1-year period	18.18%	12.37%	+5.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.57%	16.96%	+6.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.58%	18.09%	+4.49%

MDFGX vs. VINIX - Expense Ratio Comparison

MDFGX has a 0.97% expense ratio, which is higher than VINIX's 0.04% expense ratio.

Dividends

MDFGX vs. VINIX - Dividend Comparison

MDFGX's dividend yield for the trailing twelve months is around 17.98%, more than VINIX's 2.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MDFGX BlackRock Capital Appreciation Fund	17.98%	19.51%	12.73%	3.59%	9.46%	12.95%	5.46%	10.67%	14.31%	12.51%	4.01%	11.22%
VINIX Vanguard Institutional Index Fund Institutional Shares	2.46%	2.10%	3.64%	2.65%	3.38%	4.77%	3.06%	2.85%	2.43%	1.82%	2.36%	2.45%

Frequently Asked Questions

Can I hold both MDFGX and VINIX in my portfolio?

With a correlation of 0.90, MDFGX and VINIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MDFGX or VINIX?

MDFGX has higher volatility (6.95%) compared to VINIX (4.43%). In terms of maximum drawdown, MDFGX dropped -47.99% vs VINIX's -55.19%.

Which has better risk-adjusted returns?

VINIX currently has the higher Sharpe Ratio (1.97 vs 1.05), 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.