ETF Versus

MGC vs VOO

Vanguard Mega Cap Index Fund vs Vanguard S&P 500 ETF

Last updated: 2026-04-10

MGC Vanguard

Vanguard Mega Cap Index Fund (MGC) is an exchange-traded fund issued by Vanguard that provides exposure to large-cap U.S. equities across growth and value styles. It charges a very low expense ratio of 0.05%. The fund offers a modest dividend yield of 0.98%. Launched in 2007, the fund has a 19-year track record.

AUM: $8.8B ER: 0.05% Yield: 0.98% Since: Dec 24, 2007
VOO Vanguard

Vanguard S&P 500 ETF (VOO) is an exchange-traded fund issued by Vanguard that provides exposure to large-cap U.S. equities across growth and value styles. It charges a very low expense ratio of 0.03%. The fund offers a moderate dividend yield of 1.14%. Launched in 2010, the fund has a 16-year track record.

AUM: $858.3B ER: 0.03% Yield: 1.14% Since: Sep 7, 2010

Quick Verdict

VOO has a slightly lower expense ratio (0.03% vs 0.05%), saving about $40 per $10,000 over 10 years. Both funds have delivered similar 1-year returns (30.5% vs 29.7%), tracking closely.

Key Metrics

Metric MGC VOO
Expense Ratio 0.05% 0.03%
Dividend Yield 1.0% 1.1%
Fund Family Vanguard Vanguard
Category US Large Cap Blend US Large Cap Blend

Performance Chart

Indexed to 100 at start (5-year comparison)

85 103 121 139 157 175 2021-04 2022-07 2023-10 2025-01 2026-04
MGC +69.5%
VOO +65.2%

Performance Comparison

Period MGC VOO Difference
1 Month +0.34% +0.48% -0.14%
3 Months -2.85% -2.24% -0.61%
6 Months +1.77% +2.53% -0.76%
YTD -1.33% -0.52% -0.81%
1 Year +30.54% +29.66% +0.88%
3 Years +72.94% +66.05% +6.89%
5 Years +69.52% +65.17% +4.35%

Fee Impact Over Time

Estimated fee cost difference assuming 8% annual returns

Investment Period MGC Fees VOO Fees You Save
$10,000 10 years $100 $60 $40
$10,000 20 years $430 $258 $171
$10,000 30 years $1,388 $835 $553
$50,000 10 years $499 $299 $199
$50,000 30 years $6,941 $4,176 $2,765
$100,000 30 years $13,882 $8,352 $5,531

Risk Metrics

Based on 5 years of daily returns

Metric MGC VOO
Annualized Volatility 17.3% 16.8%
Max Drawdown -26.6% -25.4%
Sharpe Ratio 0.44 0.42

Dividend Comparison

Metric MGC VOO
Annual Dividend (per share) $2.42 $7.13
Dividend Yield 0.98% 1.14%
Distribution Frequency Quarterly Quarterly

Top Holdings

8 of top 9 holdings overlap (89% overlap in top holdings)

MGC Top Holdings

NameWeight
NVIDIA CorporationNVDA8.53%
Apple Inc.AAPL8.14%
Microsoft CorporationMSFT6.09%
Amazon.com, Inc.AMZN4.22%
Broadcom Inc.AVGO3.15%
Alphabet Inc.GOOG2.99%
Meta Platforms, Inc.META2.95%
Tesla, Inc.TSLA2.37%
Eli Lilly and CompanyLLY1.87%

VOO Top Holdings

NameWeight
NVIDIA CorporationNVDA7.31%
Apple Inc.AAPL6.63%
Microsoft CorporationMSFT4.96%
Amazon.com, Inc.AMZN3.47%
Broadcom Inc.AVGO2.56%
Alphabet Inc.GOOG2.46%
Meta Platforms, Inc.META2.40%
Tesla, Inc.TSLA1.92%
Berkshire Hathaway Inc.BRK.B1.57%

Which One Should You Choose?

Choose VOO if...

you want the lowest fees and plan to buy and hold long-term. Over decades, the expense ratio difference compounds significantly.

Either works if...

you just need broad us large cap blend exposure. Both are solid options — pick whichever your brokerage offers commission-free.

Related Comparisons

AGG vs VOO BND vs VOO BNDX vs VOO COWZ vs VOO EFA vs VOO GLD vs VOO IAU vs VOO IEFA vs VOO