VWILX vs. VIIIX

Last updated Jun 4, 2026

VWILX (Vanguard International Growth Fund Admiral Shares) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both mutual funds - VWILX is a Large Cap Growth Equities fund managed by Vanguard, while VIIIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, VWILX returned 9.94%/yr vs 15.74%/yr for VIIIX. A 0.76 correlation means they provide meaningful diversification when combined. VWILX charges 0.32%/yr vs 0.02%/yr for VIIIX.

Performance

VWILX vs. VIIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard International Growth Fund Admiral Shares (VWILX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VWILX achieves a 6.25% return, which is significantly lower than VIIIX's 11.70% return. Over the past 10 years, VWILX has underperformed VIIIX with an annualized return of 9.94%, while VIIIX has yielded a comparatively higher 15.74% annualized return.

VWILX

• 1D: 0.35%
• 1M: 4.18%
• YTD: 6.25%
• 6M: 6.75%
• 1Y: 13.81%
• 3Y*: 12.51%
• 5Y*: -1.21%
• 10Y*: 9.94%

VIIIX

• 1D: 0.13%
• 1M: 5.80%
• YTD: 11.70%
• 6M: 11.74%
• 1Y: 28.99%
• 3Y*: 23.17%
• 5Y*: 14.42%
• 10Y*: 15.74%

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

VWILX vs. VIIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VWILX Vanguard International Growth Fund Admiral Shares	6.25%	20.08%	9.18%	14.80%	-30.80%	-12.81%	59.77%	31.50%	-12.58%	43.17%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	11.70%	17.87%	26.29%	25.79%	-18.14%	28.69%	18.41%	31.48%	-4.41%	21.82%

Correlation

The correlation between VWILX and VIIIX is 0.82, 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	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.79
Correlation (All Time) Calculated using the full available price history since Aug 14, 2001	0.76

The correlation between VWILX and VIIIX has been stable across timeframes, ranging from 0.76 to 0.82 - a consistent structural relationship.

VWILX vs. VIIIX - Sectors Allocation Comparison

Sectors	VWILX	VIIIX
Technology	27.5%	35.5%
Consumer Cyclical	17.5%	10.0%
Industrials	13.3%	8.0%
Financial Services	12.2%	11.6%
Healthcare	10.6%	8.5%
Communication Services	6.2%	11.1%
Consumer Defensive	5.4%	4.9%
Basic Materials	2.6%	1.8%
Energy	1.9%	3.5%
Utilities	0.5%	2.8%
Real Estate	-	1.9%

Return for Risk

VWILX vs. VIIIX — Risk / Return Rank

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

VWILX

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

VIIIX

VIIIX Risk / Return Rank: 73
VIIIX Sharpe Ratio Rank: 76
VIIIX Sortino Ratio Rank: 67
VIIIX Omega Ratio Rank: 67
VIIIX Calmar Ratio Rank: 74
VIIIX 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.

VWILX vs. VIIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard International Growth Fund Admiral Shares (VWILX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.

	VWILX	VIIIX	Difference
Sharpe ratio: Return per unit of total volatility	0.76	2.52	-1.76
Sortino ratio: Return per unit of downside risk	1.16	3.42	-2.27
Omega ratio: Gain probability vs. loss probability	1.14	1.46	-0.32
Calmar ratio: Return relative to maximum drawdown	0.96	3.36	-2.39
Martin ratio: Return relative to average drawdown	3.10	15.69	-12.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VWILX vs. VIIIX - Sharpe Ratio Comparison

The current VWILX Sharpe Ratio is 0.76, which is lower than the VIIIX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of VWILX and VIIIX, 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

	VWILX	VIIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.76	2.52	-1.76
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.05	0.86	-0.91
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.87	-0.41
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.50	-0.15

Drawdowns

VWILX vs. VIIIX - Drawdown Comparison

The maximum VWILX drawdown since its inception was -59.49%, which is greater than VIIIX's maximum drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for VWILX and VIIIX.

Drawdown Indicators

	VWILX	VIIIX	Difference
Max Drawdown Largest peak-to-trough decline	-59.49%	-55.18%	-4.31%
Max Drawdown (1Y) Largest decline over 1 year	-14.06%	-8.90%	-5.16%
Max Drawdown (3Y) Largest decline over 3 years	-20.02%	-18.75%	-1.27%
Max Drawdown (5Y) Largest decline over 5 years	-53.56%	-24.50%	-29.06%
Max Drawdown (10Y) Largest decline over 10 years	-54.08%	-33.79%	-20.29%
Current Drawdown Current decline from peak	-14.66%	0.00%	-14.66%
Average Drawdown Average peak-to-trough decline	-15.09%	-10.02%	-5.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.36%	1.90%	+2.46%

Volatility

VWILX vs. VIIIX - Volatility Comparison

Vanguard International Growth Fund Admiral Shares (VWILX) has a higher volatility of 4.73% compared to Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) at 2.83%. This indicates that VWILX's price experiences larger fluctuations and is considered to be riskier than VIIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VWILX	VIIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.73%	2.83%	+1.90%
Volatility (6M) Calculated over the trailing 6-month period	14.45%	8.97%	+5.48%
Volatility (1Y) Calculated over the trailing 1-year period	17.96%	11.86%	+6.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.43%	16.89%	+6.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.70%	18.06%	+3.64%

VWILX vs. VIIIX - Expense Ratio Comparison

VWILX has a 0.32% expense ratio, which is higher than VIIIX's 0.02% expense ratio.

Dividends

VWILX vs. VIIIX - Dividend Comparison

VWILX's dividend yield for the trailing twelve months is around 6.49%, more than VIIIX's 2.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	2.41%	2.11%	3.66%	2.66%	3.39%	4.79%	3.07%	2.86%	2.45%	1.84%	2.38%	2.47%
VWILX Vanguard International Growth Fund Admiral Shares	6.49%	6.89%	9.81%	1.92%	7.03%	0.36%	2.38%	1.30%	5.52%	0.84%	1.42%	1.53%

Frequently Asked Questions

Can I hold both VWILX and VIIIX in my portfolio?

VWILX and VIIIX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VWILX or VIIIX?

VWILX has higher volatility (4.73%) compared to VIIIX (2.83%). In terms of maximum drawdown, VWILX dropped -59.49% vs VIIIX's -55.18%.

Which has better risk-adjusted returns?

VIIIX currently has the higher Sharpe Ratio (2.52 vs 0.76), 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.