MGC vs SPLG
Vanguard Mega Cap Index Fund vs State Street SPDR Portfolio S&P 500 ETF
Last updated: 2026-04-10
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.
State Street SPDR Portfolio S&P 500 ETF (SPLG) is an exchange-traded fund issued by SPDR 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.
Quick Verdict
SPLG has a slightly lower expense ratio (0.00% vs 0.05%), saving about $100 per $10,000 over 10 years. Both funds have delivered similar 1-year returns (30.5% vs 29.7%), tracking closely.
Key Metrics
Performance Chart
Indexed to 100 at start (5-year comparison)
Performance Comparison
Fee Impact Over Time
Estimated fee cost difference assuming 8% annual returns
Risk Metrics
Based on 5 years of daily returns
Dividend Comparison
Top Holdings
MGC Top Holdings
| Name | Weight |
|---|---|
| NVIDIA CorporationNVDA | 8.53% |
| Apple Inc.AAPL | 8.14% |
| Microsoft CorporationMSFT | 6.09% |
| Amazon.com, Inc.AMZN | 4.22% |
| Broadcom Inc.AVGO | 3.15% |
| Alphabet Inc.GOOG | 2.99% |
| Meta Platforms, Inc.META | 2.95% |
| Tesla, Inc.TSLA | 2.37% |
| Eli Lilly and CompanyLLY | 1.87% |
Which One Should You Choose?
Choose SPLG 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.