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VPMCX vs. VIGIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

VPMCX vs. VIGIX

Last updated Aug 6, 2026
Documentation

VPMCX (Vanguard PRIMECAP Fund Investor Shares) and VIGIX (Vanguard Growth Index Fund Institutional Shares) are both Large Cap Growth Equities funds from Vanguard. VPMCX is actively managed, while VIGIX is passively managed. Over the past 10 years, VPMCX returned 16.88%/yr vs 17.78%/yr for VIGIX. Their correlation of 0.91 means they have usually moved in the same direction. VPMCX charges 0.35%/yr vs 0.03%/yr for VIGIX.

Performance

VPMCX vs. VIGIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard PRIMECAP Fund Investor Shares (VPMCX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, VPMCX achieves a 25.06% return, which is significantly higher than VIGIX's 9.78% return. Over the past 10 years, VPMCX has underperformed VIGIX with an annualized return of 16.88%, while VIGIX has yielded a comparatively higher 17.78% annualized return.

VPMCX

1D
2.62%
1M
-0.89%
6M
19.43%
YTD
25.06%
1Y
50.56%
3Y*
25.81%
5Y*
15.31%
10Y*
16.88%
ALL TIME*
15.35%

VIGIX

1D
2.26%
1M
2.76%
6M
14.63%
YTD
9.78%
1Y
19.38%
3Y*
24.21%
5Y*
12.87%
10Y*
17.78%
ALL TIME*
9.82%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

VIGIX

Vanguard Growth Index Fund Institutional Shares
$0.00$0.00$0.00

VPMCX

Vanguard PRIMECAP Fund Investor Shares
$0.00$0.00$0.00

VPMCX vs. VIGIX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
VPMCX
Vanguard PRIMECAP Fund Investor Shares		25.06%29.60%13.23%28.16%-15.22%21.64%17.16%27.78%-1.99%28.17%
VIGIX
Vanguard Growth Index Fund Institutional Shares		9.78%19.44%32.68%46.77%-33.13%27.27%40.19%37.26%-3.34%27.81%

Correlation

The correlation between VPMCX and VIGIX is 0.77, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.77

Correlation (3Y)
Balances recent behavior with more history.

0.81

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.87

Correlation (10Y)
Provides a long-term view across more market conditions.

0.87

Correlation (All Time)
Calculated using the full available price history since May 14, 1998

0.91

The correlation between VPMCX and VIGIX shifts across timeframes, from 0.77 (1 year) to 0.91 (all time), reflecting how their relationship changes across market environments.

VPMCX vs. VIGIX - Sectors Allocation Comparison

Sectors
VPMCX
VIGIX

Technology

28.9%
56.2%

Healthcare

25.1%
4.7%

Industrials

13.2%
5.3%

Consumer Cyclical

11.8%
11.5%

Communication Services

7.7%
15.4%

Financial Services

7.6%
3.8%

Energy

1.8%
0.3%

Basic Materials

1.6%
0.5%

Consumer Defensive

1.1%
1.4%

Real Estate

0.1%
1.0%

Utilities

0.0%
0.7%

Technology

VPMCX
28.9%
VIGIX
56.2%

Healthcare

VPMCX
25.1%
VIGIX
4.7%

Industrials

VPMCX
13.2%
VIGIX
5.3%

Consumer Cyclical

VPMCX
11.8%
VIGIX
11.5%

Communication Services

VPMCX
7.7%
VIGIX
15.4%

Financial Services

VPMCX
7.6%
VIGIX
3.8%

Energy

VPMCX
1.8%
VIGIX
0.3%

Basic Materials

VPMCX
1.6%
VIGIX
0.5%

Consumer Defensive

VPMCX
1.1%
VIGIX
1.4%

Real Estate

VPMCX
0.1%
VIGIX
1.0%

Utilities

VPMCX
0.0%
VIGIX
0.7%

Compare stocks, funds, or ETFs

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Vanguard PRIMECAP Fund Investor Shares

Vanguard Growth Index Fund Institutional Shares

Often compared with VPMCX:
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Often compared with VIGIX:
VIGIX vs. VOOVIGIX vs. VIIIXVIGIX vs. VUGVIGIX vs. SWPPXVIGIX vs. VINIXVIGIX vs. SPYVIGIX vs. VIVIX

Return for Risk

VPMCX vs. VIGIX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
VPMCX
VPMCX Risk / Return Rank: 9292
Overall Rank
VPMCX Sharpe Ratio Rank: 9494
Sharpe Ratio Rank
VPMCX Sortino Ratio Rank: 9191
Sortino Ratio Rank
VPMCX Omega Ratio Rank: 8989
Omega Ratio Rank
VPMCX Calmar Ratio Rank: 9494
Calmar Ratio Rank
VPMCX Martin Ratio Rank: 9393
Martin Ratio Rank
VIGIX
VIGIX Risk / Return Rank: 2323
Overall Rank
VIGIX Sharpe Ratio Rank: 2424
Sharpe Ratio Rank
VIGIX Sortino Ratio Rank: 2424
Sortino Ratio Rank
VIGIX Omega Ratio Rank: 2323
Omega Ratio Rank
VIGIX Calmar Ratio Rank: 2121
Calmar Ratio Rank
VIGIX Martin Ratio Rank: 2222
Martin Ratio Rank
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.

VPMCX vs. VIGIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard PRIMECAP Fund Investor Shares (VPMCX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). 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.

VPMCXVIGIXDifference
Sharpe ratioReturn per unit of total volatility
2.64
1.03

+1.61

Sortino ratioReturn per unit of downside risk
3.55
1.51

+2.04

Omega ratioGain probability vs. loss probability

1.46

1.18

+0.28

Calmar ratioReturn relative to maximum drawdown

4.30

1.11

+3.18

Martin ratioReturn relative to average drawdown

15.80

3.55

+12.25

VPMCX vs. VIGIX - Sharpe Ratio Comparison

The current VPMCX Sharpe Ratio is 2.64, which is higher than the VIGIX Sharpe Ratio of 1.03. The chart below compares the historical Sharpe Ratios of VPMCX and VIGIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

VPMCX vs. VIGIX - Drawdown Comparison

The maximum VPMCX drawdown since its inception was -50.45%, smaller than the maximum VIGIX drawdown of -56.95%. Use the drawdown chart below to compare losses from any high point for VPMCX and VIGIX.

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Drawdown Indicators

VPMCXVIGIXDifference

Max Drawdown

Largest peak-to-trough decline

-50.45%

-56.95%

+6.50%

Max Drawdown (1Y)

Largest decline over 1 year

-11.73%

-16.51%

+4.78%

Max Drawdown (3Y)

Largest decline over 3 years

-20.56%

-23.03%

+2.47%

Max Drawdown (5Y)

Largest decline over 5 years

-25.25%

-35.62%

+10.37%

Max Drawdown (10Y)

Largest decline over 10 years

-32.65%

-35.62%

+2.97%

Current Drawdown

Current decline from peak

-4.15%

-1.23%

-2.92%

Average Drawdown

Average peak-to-trough decline

-7.39%

-16.21%

+8.82%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.19%

5.17%

-1.98%

Volatility

VPMCX vs. VIGIX - Volatility Comparison

Vanguard PRIMECAP Fund Investor Shares (VPMCX) and Vanguard Growth Index Fund Institutional Shares (VIGIX) have volatilities of 6.44% and 6.23%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

VPMCXVIGIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.44%

6.23%

+0.21%

Volatility (6M)

Calculated over the trailing 6-month period

16.29%

14.55%

+1.74%

Volatility (1Y)

Calculated over the trailing 1-year period

19.14%

17.92%

+1.22%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

18.84%

22.66%

-3.82%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

19.41%

21.72%

-2.31%

VPMCX vs. VIGIX - Expense Ratio Comparison

VPMCX has a 0.35% expense ratio, which is higher than VIGIX's 0.03% expense ratio.

Dividends

VPMCX vs. VIGIX - Dividend Comparison

VPMCX's dividend yield for the trailing twelve months is around 13.08%, more than VIGIX's 0.38% yield.

PositionTTM20252024202320222021202020192018201720162015
VIGIX
Vanguard Growth Index Fund Institutional Shares		0.38%0.41%0.47%0.58%0.70%0.48%0.66%0.95%1.32%1.15%1.40%1.31%
VPMCX
Vanguard PRIMECAP Fund Investor Shares		13.08%16.36%6.62%7.16%9.85%10.08%9.74%7.15%8.32%4.53%5.05%5.91%

Frequently Asked Questions

VPMCX and VIGIX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VPMCX has higher volatility (6.44%) compared to VIGIX (6.23%). In terms of maximum drawdown, VPMCX dropped -50.45% vs VIGIX's -56.95%.

VPMCX currently has the higher Sharpe Ratio (2.64 vs 1.03), 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.

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