AFOIX vs. VMFGX

Last updated Jun 6, 2026

AFOIX (Alger Mid Cap Focus Fund new) and VMFGX (Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares) are both Mid Cap Growth Equities funds. Over the past 5 years, AFOIX returned 5.21%/yr vs 8.76%/yr for VMFGX. Their correlation of 0.82 suggests significant overlap in exposure. AFOIX charges 0.95%/yr vs 0.08%/yr for VMFGX.

Performance

AFOIX vs. VMFGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Alger Mid Cap Focus Fund new (AFOIX) 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, AFOIX achieves a 10.61% return, which is significantly lower than VMFGX's 19.43% return.

AFOIX

• 1D: 1.43%
• 1M: 5.31%
• YTD: 10.61%
• 6M: 9.22%
• 1Y: 27.51%
• 3Y*: 23.29%
• 5Y*: 5.21%
• 10Y*: —

VMFGX

• 1D: 0.33%
• 1M: 1.86%
• YTD: 19.43%
• 6M: 18.74%
• 1Y: 30.53%
• 3Y*: 18.60%
• 5Y*: 8.76%
• 10Y*: 11.68%

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

AFOIX vs. VMFGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
AFOIX Alger Mid Cap Focus Fund new	10.61%	14.95%	31.68%	16.47%	-37.37%	10.14%	84.38%	2.89%
VMFGX Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares	19.43%	7.43%	15.86%	17.42%	-18.99%	18.83%	22.61%	7.98%

Correlation

The correlation between AFOIX and VMFGX is 0.75, 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	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (All Time) Calculated using the full available price history since Jun 18, 2019	0.82

The correlation between AFOIX and VMFGX has been stable across timeframes, ranging from 0.75 to 0.84 - a consistent structural relationship.

Return for Risk

AFOIX vs. VMFGX — Risk / Return Rank

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

AFOIX

AFOIX Risk / Return Rank: 20
AFOIX Sharpe Ratio Rank: 20
AFOIX Sortino Ratio Rank: 19
AFOIX Omega Ratio Rank: 18
AFOIX Calmar Ratio Rank: 23
AFOIX Martin Ratio Rank: 21

VMFGX

VMFGX Risk / Return Rank: 51
VMFGX Sharpe Ratio Rank: 42
VMFGX Sortino Ratio Rank: 41
VMFGX Omega Ratio Rank: 38
VMFGX Calmar Ratio Rank: 68
VMFGX Martin Ratio Rank: 65

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.

AFOIX vs. VMFGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Alger Mid Cap Focus Fund new (AFOIX) 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.

	AFOIX	VMFGX	Difference
Sharpe ratio: Return per unit of total volatility	1.24	1.81	-0.57
Sortino ratio: Return per unit of downside risk	1.76	2.59	-0.83
Omega ratio: Gain probability vs. loss probability	1.21	1.32	-0.11
Calmar ratio: Return relative to maximum drawdown	1.67	3.08	-1.41
Martin ratio: Return relative to average drawdown	5.17	12.26	-7.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AFOIX vs. VMFGX - Sharpe Ratio Comparison

The current AFOIX Sharpe Ratio is 1.24, which is lower than the VMFGX Sharpe Ratio of 1.81. The chart below compares the historical Sharpe Ratios of AFOIX 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.

Sharpe Ratios by Period

	AFOIX	VMFGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.24	1.81	-0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.21	0.43	-0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.56	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.65	-0.10

Drawdowns

AFOIX vs. VMFGX - Drawdown Comparison

The maximum AFOIX drawdown since its inception was -48.75%, which is greater than VMFGX's maximum drawdown of -39.15%. Use the drawdown chart below to compare losses from any high point for AFOIX and VMFGX.

Drawdown Indicators

	AFOIX	VMFGX	Difference
Max Drawdown Largest peak-to-trough decline	-48.75%	-39.15%	-9.60%
Max Drawdown (1Y) Largest decline over 1 year	-16.46%	-9.91%	-6.55%
Max Drawdown (3Y) Largest decline over 3 years	-29.72%	-25.45%	-4.27%
Max Drawdown (5Y) Largest decline over 5 years	-48.75%	-29.25%	-19.50%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.15%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-20.08%	-5.70%	-14.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.31%	2.48%	+2.83%

Volatility

AFOIX vs. VMFGX - Volatility Comparison

Alger Mid Cap Focus Fund new (AFOIX) has a higher volatility of 7.14% compared to Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares (VMFGX) at 4.98%. This indicates that AFOIX'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

	AFOIX	VMFGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.14%	4.98%	+2.16%
Volatility (6M) Calculated over the trailing 6-month period	16.60%	13.06%	+3.54%
Volatility (1Y) Calculated over the trailing 1-year period	22.16%	16.82%	+5.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.36%	20.61%	+4.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.43%	21.05%	+5.38%

AFOIX vs. VMFGX - Expense Ratio Comparison

AFOIX has a 0.95% expense ratio, which is higher than VMFGX's 0.08% expense ratio.

Dividends

AFOIX vs. VMFGX - Dividend Comparison

AFOIX has not paid dividends to shareholders, while VMFGX's dividend yield for the trailing twelve months is around 0.59%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AFOIX Alger Mid Cap Focus Fund new	0.00%	0.00%	0.00%	0.00%	0.00%	11.14%	1.38%	0.00%	0.00%	0.00%	0.00%	0.00%
VMFGX Vanguard S&P Mid-Cap 400 Growth Index Fund Institutional Shares	0.59%	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 AFOIX and VMFGX in my portfolio?

AFOIX and VMFGX have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AFOIX or VMFGX?

AFOIX has higher volatility (7.14%) compared to VMFGX (4.98%). In terms of maximum drawdown, AFOIX dropped -48.75% vs VMFGX's -39.15%.

Which has better risk-adjusted returns?

VMFGX currently has the higher Sharpe Ratio (1.81 vs 1.24), 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.