IBGIX vs. VMFGX

Last updated Aug 1, 2026

IBGIX (VY Baron Growth Portfolio) and VMFGX (Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares) are both Mid Cap Growth Equities funds. Over the past 10 years, IBGIX returned 14.33%/yr vs 10.90%/yr for VMFGX. Their correlation of 0.85 means they have usually moved in the same direction. IBGIX charges 0.99%/yr vs 0.08%/yr for VMFGX.

Performance

IBGIX vs. VMFGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VY Baron Growth Portfolio (IBGIX) and Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares (VMFGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBGIX achieves a -14.46% return, which is significantly lower than VMFGX's 15.95% return. Over the past 10 years, IBGIX has outperformed VMFGX with an annualized return of 14.33%, while VMFGX has yielded a comparatively lower 10.90% annualized return.

IBGIX

• 1D: -0.73%
• 1M: -5.19%
• 6M: -10.65%
• YTD: -14.46%
• 1Y: -19.23%
• 3Y*: -7.10%
• 5Y*: -4.62%
• 10Y*: 14.33%
• ALL TIME*: 8.56%

VMFGX

• 1D: 1.50%
• 1M: -2.71%
• 6M: 11.51%
• YTD: 15.95%
• 1Y: 22.97%
• 3Y*: 13.93%
• 5Y*: 7.56%
• 10Y*: 10.90%
• ALL TIME*: 12.08%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
IBGIX VY Baron Growth Portfolio	$0.00	$0.00	$0.00
VMFGX Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares	$0.00	$0.00	$0.00

IBGIX vs. VMFGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IBGIX VY Baron Growth Portfolio	-14.46%	-10.40%	4.84%	15.02%	-23.40%	20.76%	33.55%	166.57%	-1.63%	28.50%
VMFGX Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares	15.95%	7.43%	15.86%	17.42%	-18.99%	18.83%	22.61%	26.20%	-10.39%	19.87%

Correlation

The correlation between IBGIX and VMFGX is 0.39, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.39
Correlation (3Y) Balances recent behavior with more history.	0.59
Correlation (5Y) Shows whether the relationship held over a longer period.	0.74
Correlation (10Y) Provides a long-term view across more market conditions.	0.81
Correlation (All Time) Calculated using the full available price history since Jan 3, 2012	0.85

Over the past year, the correlation between IBGIX and VMFGX has dropped to 0.39 - well below their long-term average of 0.85, suggesting their price drivers have been diverging.

Return for Risk

IBGIX vs. VMFGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

IBGIX

IBGIX Risk / Return Rank: 0
IBGIX Sharpe Ratio Rank: 0
IBGIX Sortino Ratio Rank: 0
IBGIX Omega Ratio Rank: 0
IBGIX Calmar Ratio Rank: 0
IBGIX Martin Ratio Rank: 0

VMFGX

VMFGX Risk / Return Rank: 45
VMFGX Sharpe Ratio Rank: 37
VMFGX Sortino Ratio Rank: 39
VMFGX Omega Ratio Rank: 35
VMFGX Calmar Ratio Rank: 58
VMFGX Martin Ratio Rank: 56

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

IBGIX vs. VMFGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VY Baron Growth Portfolio (IBGIX) and Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares (VMFGX). 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.

	IBGIX	VMFGX	Difference
Sharpe ratio: Return per unit of total volatility	-1.15	1.12	-2.27
Sortino ratio: Return per unit of downside risk	-1.59	1.69	-3.28
Omega ratio: Gain probability vs. loss probability	0.82	1.20	-0.38
Calmar ratio: Return relative to maximum drawdown	-0.95	2.00	-2.95
Martin ratio: Return relative to average drawdown	-1.60	7.41	-9.01

IBGIX vs. VMFGX - Sharpe Ratio Comparison

The current IBGIX Sharpe Ratio is -1.15, which is lower than the VMFGX Sharpe Ratio of 1.12. The chart below compares the historical Sharpe Ratios of IBGIX and VMFGX, 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

IBGIX vs. VMFGX - Drawdown Comparison

The maximum IBGIX drawdown since its inception was -57.44%, which is greater than VMFGX's maximum drawdown of -39.15%. Use the drawdown chart below to compare losses from any high point for IBGIX and VMFGX.

Drawdown Indicators

	IBGIX	VMFGX	Difference
Max Drawdown Largest peak-to-trough decline	-57.44%	-39.15%	-18.29%
Max Drawdown (1Y) Largest decline over 1 year	-23.13%	-9.91%	-13.22%
Max Drawdown (3Y) Largest decline over 3 years	-30.02%	-25.45%	-4.57%
Max Drawdown (5Y) Largest decline over 5 years	-34.38%	-29.25%	-5.13%
Max Drawdown (10Y) Largest decline over 10 years	-40.82%	-39.15%	-1.67%
Current Drawdown Current decline from peak	-30.18%	-4.61%	-25.57%
Average Drawdown Average peak-to-trough decline	-14.21%	-5.67%	-8.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.37%	2.69%	+11.68%

Volatility

IBGIX vs. VMFGX - Volatility Comparison

VY Baron Growth Portfolio (IBGIX) has a higher volatility of 6.58% compared to Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares (VMFGX) at 4.55%. This indicates that IBGIX's price experiences larger fluctuations and is considered to be riskier than VMFGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBGIX	VMFGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.58%	4.55%	+2.03%
Volatility (6M) Calculated over the trailing 6-month period	14.71%	13.97%	+0.74%
Volatility (1Y) Calculated over the trailing 1-year period	19.17%	17.70%	+1.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.93%	20.71%	+0.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.99%	21.07%	+14.92%

IBGIX vs. VMFGX - Expense Ratio Comparison

IBGIX has a 0.99% expense ratio, which is higher than VMFGX's 0.08% expense ratio.

Dividends

IBGIX vs. VMFGX - Dividend Comparison

IBGIX's dividend yield for the trailing twelve months is around 301.33%, more than VMFGX's 0.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IBGIX VY Baron Growth Portfolio	301.33%	24.66%	4.13%	5.23%	11.56%	6.89%	0.00%	107.13%	11.51%	12.13%	11.71%	8.93%
VMFGX Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares	0.61%	0.70%	0.84%	1.21%	1.12%	0.53%	0.79%	1.22%	1.18%	0.93%	1.14%	1.14%

Frequently Asked Questions

Can I hold both IBGIX and VMFGX in my portfolio?

IBGIX and VMFGX have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IBGIX or VMFGX?

IBGIX has higher volatility (6.58%) compared to VMFGX (4.55%). In terms of maximum drawdown, IBGIX dropped -57.44% vs VMFGX's -39.15%.

Which has better risk-adjusted returns?

VMFGX currently has the higher Sharpe Ratio (1.12 vs -1.15), 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.