ETF comparison
MGV vs SPY
US Value vs US Large Cap.
Vanguard Morningstar Mega Cap Value ETF · State Street SPDR S&P 500 ETF Trust
Holdings overlap
120 positions appear in both funds. Buying equal dollars of MGV and SPY would leave roughly 34.9% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
MGV is 4 bps cheaper than SPY. On a $100,000 position that's about $44/yr more in fees for SPY.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with MGV vs SPY.
Top shared holdings
120 shared in total| # | Holding | In MGV | In SPY | Overlap |
|---|---|---|---|---|
| 1 | Berkshire Hathaway Inc | 3.29% | 1.63% | 1.63% |
| 2 | JPMorgan Chase & Co | 4.41% | 1.41% | 1.41% |
| 3 | Micron Technology Inc | 5.00% | 1.35% | 1.35% |
| 4 | ExxonMobil Holdings Corp | 3.08% | 1.05% | 1.05% |
| 5 | Johnson & Johnson | 2.96% | 1.00% | 1.00% |
| 6 | Walmart Inc | 2.12% | 0.87% | 0.87% |
| 7 | AbbVie Inc | 2.09% | 0.79% | 0.79% |
| 8 | Costco Wholesale Corp | 1.94% | 0.70% | 0.70% |
| 9 | Chevron Corp | 1.80% | 0.65% | 0.65% |
| 10 | Cisco Systems Inc | 1.81% | 0.62% | 0.62% |
| 11 | Procter & Gamble Co/The | 1.56% | 0.59% | 0.59% |
| 12 | Coca-Cola Co/The | 1.41% | 0.56% | 0.56% |
Only in MGV
1 total- Berkshire Hathaway Inc 1.02%
Only in SPY
384 total- APPLE INC 7.69%
- NVIDIA CORP 7.30%
- MICROSOFT CORP 6.22%
- AMAZON.COM INC 3.94%
- ALPHABET INC CL A 2.56%
- BROADCOM INC 2.33%
- META PLATFORMS INC CLASS A 2.09%
- ALPHABET INC CL C 2.06%
- ELI LILLY + CO 1.71%
- TESLA INC 1.64%
Related comparisons
More comparisons with MGV
- MGV vs SPYM · State Street SPDR Portfolio S&P 500 ETF 34.0%
- MGV vs IVV · iShares Core S&P 500 ETF 34.0%
- MGV vs VOO · Vanguard S&P 500 ETF 33.8%
- MGV vs SCHB · Schwab U.S. Broad Market ETF 30.8%
- MGV vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 30.1%
- MGV vs VTI · Vanguard Morningstar Total Stock Market ETF 30.0%
More comparisons with SPY
- SPY vs DFLV · Dimensional US Large Cap Value ETF 34.7%
- SPY vs DFUV · Dimensional US Marketwide Value ETF 33.9%
- SPY vs SPMO · Invesco S&P 500 Momentum ETF 32.6%
- SPY vs AVLV · Avantis US Large Cap Value ETF 29.8%
- SPY vs DIA · State Street SPDR Dow Jones Industrial Average ETF Trust 29.8%
- SPY vs MTUM · iShares MSCI USA Momentum Factor ETF 26.2%
Percentages are holdings overlap with the named fund.
Open MGV or SPY at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.