ETF Versus

MGK vs SPYG

Vanguard Mega Cap Growth Index Fund vs State Street SPDR Portfolio S&P 500 Growth 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. It charges a very low expense ratio of 0.05%. The fund offers a modest dividend yield of 0.39%. Launched in 2007, the fund has a 19-year track record.

AUM: $26.8B ER: 0.05% Yield: 0.39% Since: Dec 17, 2007
SPYG

State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) is an exchange-traded fund that provides exposure to large-cap U.S. growth stocks with above-average earnings potential. It charges a very low expense ratio of 0.04%. The fund offers a modest dividend yield of 0.57%. Launched in 2000, the fund has a 26-year track record.

AUM: $40.3B ER: 0.04% Yield: 0.57% Since: Sep 25, 2000

Quick Verdict

Both funds have nearly identical expense ratios (0.04% vs 0.05%), so fees are not a differentiator here. SPYG has edged ahead over the past year (22.5% vs 19.4%).

Key Metrics

Metric MGK SPYG
Expense Ratio 0.05% 0.04%
Dividend Yield 0.4% 0.6%
Fund Family N/A N/A
Category US Large Cap Growth US Large Cap Growth

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%
SPYG +69.9%

Performance Comparison

Period MGK SPYG Difference
1 Month -4.21% -4.37% +0.16%
3 Months -9.52% -7.07% -2.45%
6 Months -7.91% -5.37% -2.54%
YTD -9.52% -7.07% -2.45%
1 Year +19.39% +22.54% -3.15%
3 Years +81.85% +78.00% +3.85%
5 Years +73.14% +69.92% +3.22%

Fee Impact Over Time

Estimated fee cost difference assuming 8% annual returns

Investment Period MGK Fees SPYG Fees You Save
$10.000 10 years $100 $80 $20
$10.000 20 years $430 $344 $86
$10.000 30 years $1.388 $1.112 $276
$50.000 10 years $499 $399 $100
$50.000 30 years $6.941 $5.560 $1.381
$100.000 30 years $13.882 $11.121 $2.762

Risk Metrics

Based on 5 years of daily returns

Metric MGK SPYG
Annualized Volatility 22.6% 21.1%
Max Drawdown -36.4% -33.1%
Sharpe Ratio 0.40 0.40

Dividend Comparison

Metric MGK SPYG
Annual Dividend (per share) $1.43 $0.56
Dividend Yield 0.39% 0.57%
Distribution Frequency Quarterly Quarterly

Top Holdings

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

MGK Top Holdings

NameWeight
NVIDIA CorporationNVDA13.12%
Apple Inc.AAPL12.49%
Microsoft CorporationMSFT9.18%
Meta Platforms, Inc.META4.66%
Alphabet Inc.GOOG4.46%
Amazon.com, Inc.AMZN4.43%
Tesla, Inc.TSLA4.26%
Broadcom Inc.AVGO3.97%
Eli Lilly and CompanyLLY3.42%

SPYG Top Holdings

NameWeight
NVIDIA CorporationNVDA14.62%
Microsoft CorporationMSFT9.48%
Apple Inc.AAPL6.43%
Broadcom Inc.AVGO5.06%
Alphabet Inc.GOOG4.63%
Meta Platforms, Inc.META4.32%
Amazon.com, Inc.AMZN3.72%
Berkshire Hathaway Inc.BRK.B3.03%
Eli Lilly and CompanyLLY2.51%

Which One Should You Choose?

Choose SPYG if...

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

Either works if...

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

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