ETF Versus

MGK vs SPSM

Vanguard Mega Cap Growth Index Fund vs State Street SPDR Portfolio S&P 600 Small Cap 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

State Street SPDR Portfolio S&P 600 Small Cap ETF (SPSM) is an exchange-traded fund that provides exposure to small-cap U.S. equities with higher growth potential and volatility. Launched in 2013, the fund has a 13-year track record.

AUM: N/A ER: N/A Yield: N/A Since: 2013-07-09

Quick Verdict

MGK has edged ahead over the past year (18.4% vs 17.2%).

Key Metrics

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

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%
SPSM +13.0%

Performance Comparison

Period MGK SPSM Difference
1 Month -3.59% -3.42% -0.17%
3 Months -9.52% +2.83% -12.35%
6 Months -8.71% +4.15% -12.86%
YTD -9.52% +2.83% -12.35%
1 Year +18.42% +17.20% +1.22%
3 Years +81.85% +28.78% +53.07%
5 Years +73.14% +12.96% +60.18%

Fee Impact Over Time

Estimated fee cost difference assuming 8% annual returns

Investment Period MGK Fees SPSM 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 SPSM
Annualized Volatility 22.6% 21.5%
Max Drawdown -36.4% -28.7%
Sharpe Ratio 0.40 0.01

Dividend Comparison

Metric MGK SPSM
Annual Dividend (per share) $1.43 $0.77
Dividend Yield 0.39% 1.58%
Distribution Frequency Quarterly Quarterly

Related Comparisons