ETF Versus

MGK vs SPLG

Vanguard Mega Cap Growth Index Fund vs State Street SPDR Portfolio S&P 500 ETF

Last updated: 2026-04-02

MGK

Vanguard Mega Cap Growth Index Fund (MGK) is an exchange-traded fund that provides exposure to large-cap U.S. growth stocks with above-average earnings potential. Launched in 2007, the fund has a 19-year track record.

AUM: N/A ER: N/A Yield: N/A Since: 2007-12-27
SPLG

State Street SPDR Portfolio S&P 500 ETF (SPLG) is an exchange-traded fund that provides exposure to large-cap U.S. equities across growth and value styles. Launched in 2009, the fund has a 17-year track record.

AUM: N/A ER: N/A Yield: N/A Since: 2009-01-02

Quick Verdict

MGK has edged ahead over the past year (18.4% vs 16.2%).

Key Metrics

Metric MGK SPLG
Expense Ratio N/A N/A
Dividend Yield N/A N/A
Fund Family N/A N/A
Category US Large Cap Growth US Large Cap Blend

Performance Chart

Indexed to 100 at start (5-year comparison)

75 100 125 150 175 200 2021-04 2022-06 2023-09 2024-12 2026-04
MGK +73.1%
SPLG +61.4%

Performance Comparison

Period MGK SPLG Difference
1 Month -3.59% -3.66% +0.07%
3 Months -9.52% -4.07% -5.45%
6 Months -8.71% -2.39% -6.32%
YTD -9.52% -4.07% -5.45%
1 Year +18.42% +16.16% +2.26%
3 Years +81.85% +59.57% +22.28%
5 Years +73.14% +61.44% +11.70%

Fee Impact Over Time

Estimated fee cost difference assuming 8% annual returns

Investment Period MGK Fees SPLG Fees You Save
$10,000 10 years $0 $0 $0
$10,000 20 years $0 $0 $0
$10,000 30 years $0 $0 $0
$50,000 10 years $0 $0 $0
$50,000 30 years $0 $0 $0
$100,000 30 years $0 $0 $0

Risk Metrics

Based on 5 years of daily returns

Metric MGK SPLG
Annualized Volatility 22.6% 16.8%
Max Drawdown -36.4% -25.4%
Sharpe Ratio 0.40 0.39

Dividend Comparison

Metric MGK SPLG
Annual Dividend (per share) $1.43 $0.88
Dividend Yield 0.39% 1.15%
Distribution Frequency Quarterly Quarterly

Which One Should You Choose?

Choose MGK if...

recent performance momentum matters to your strategy. Note that past performance doesn't guarantee future results.

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