MGCequity
Vanguard Morningstar Mega Cap ETF
182holdings
0.05%annual fee
USmarket
Valuation170 companies covered
28.2×P / E98% by weight
6.64×P / B84% by weight
3.5%Earnings yield
ETF comparisons / MGC vs SPY
equity comparison · MGC 2026-05-31 · SPY 2026-09-11
MGC vs SPY
Vanguard Morningstar Mega Cap ETF compared with State Street SPDR S&P 500 ETF Trust
These funds provide similar company exposure.MGC has 4 companies outside the overlap; SPY has 332.
Do MGC and SPY overlap?
MGC and SPY overlap by 81.7% by weight, across 169 shared companies.
SPYUS equity
State Street SPDR S&P 500 ETF Trust
504holdings
0.09%annual fee
USmarket
Valuation492 companies covered
27.5×P / E97% by weight
5.44×P / B85% by weight
3.6%Earnings yield
Price development
Both lines rebased to 0% over their shared dates
Largest shared positions
169 companies held in both funds
MGC weight
SPY weight
| Shared company | MGC | SPY |
|---|---|---|
| NVIDIA CORP NVDA | 9.10% | 8.01% |
| Apple Inc AAPL | 8.56% | 7.40% |
| Microsoft Corp MSFT | 6.24% | 5.58% |
| ALPHABET INC GOOGL 2 share classes | 7.38% | 5.41% |
| ↳ ALPHABET INC-CL A GOOGL | 4.14% | 3.01% |
| ↳ ALPHABET INC-CL C GOOG | 3.25% | 2.40% |
| AMAZON.COM INC AMZN | 4.88% | 3.81% |
| BROADCOM INC AVGO | 3.96% | 2.60% |
| META PLATFORMS INC-CLASS A META | 2.58% | 2.16% |
| Micron Technology Inc MU | 2.04% | 1.67% |
| TESLA INC TSLA | 2.29% | 1.56% |
| BERKSHIRE HATHAWAY INC. BRK/B 2 share classes | 1.63% | 1.42% |
| ↳ BERKSHIRE HATHAWAY INC. BRK/B | 1.53% | 1.42% |
| ↳ Berkshire Hathaway Inc BRH | 0.11% | 0.00% |
| JPMorgan Chase & Co JPM | 1.41% | 1.45% |
| ELI LILLY & CO LLY | 1.75% | 1.34% |
| ADVANCED MICRO DEVICES AMD | 1.57% | 1.28% |
| JOHNSON & JOHNSON JNJ | 1.01% | 0.97% |
| Visa Inc V | 1.02% | 0.93% |
| Intel Corp INTC | 0.86% | 0.77% |
| WALMART INC. WMT | 0.95% | 0.71% |
| Mastercard Inc MA | 0.73% | 0.70% |
| AbbVie Inc ABBV | 0.72% | 0.69% |
| CISCO SYSTEMS, INC. CSCO | 0.80% | 0.67% |
| Bank of America Corp BAC | 0.62% | 0.62% |
| Costco Wholesale Corp COST | 0.79% | 0.61% |
| Chevron Corp CVX | 0.65% | 0.61% |
| PALANTIR TECHNOLOGIES INC-A PLTR | 0.64% | 0.58% |
| Caterpillar Inc CAT | 0.76% | 0.57% |
MGC and SPY questions
Based on the holdings compared above
How much do MGC and SPY overlap?
MGC and SPY overlap by 81.7% by weight, across 169 shared companies.
Which companies do MGC and SPY both hold?
The largest companies held in both funds are NVIDIA CORP, Apple Inc, Microsoft Corp, ALPHABET INC, AMAZON.COM INC.
Can I hold both MGC and SPY?
Holding both means 81.7% of that part of your portfolio is the same companies counted twice. That can suit you or not depending on your goals; this tool reports the overlap rather than giving advice.
Is MGC or SPY cheaper?
MGC has a 0.05% expense ratio and SPY has 0.09%.
How do MGC and SPY compare on valuation?
MGC has a weighted P/E of 28.2 and SPY has a weighted P/E of 27.5.
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