MGV vs VOOV: Holdings Overlap
MGVVanguard Mega Cap Value Index Fund
Vanguard · 120 holdings · $13.6B · as of 2026-05-31
VOOVVanguard S&P 500 Value Index Fund
Vanguard · 440 holdings · $6.7B · as of 2026-05-31
How similar are MGV and VOOV?
Vanguard Mega Cap Value Index Fund (MGV, by Vanguard) holds 120 positions; Vanguard S&P 500 Value Index Fund (VOOV, by Vanguard) holds 440. They have 112 holdings in common, and by portfolio weight the two funds are 51.7% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 51.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 112MGV holds 120 · VOOV holds 440
- Weight in Shared Holdings
- MGV 85%·VOOV 52%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in MGV
8 of 120 positions (14.9% of the fund) are not held by VOOV.
Sector Breakdown
| Sector | MGV | VOOV |
|---|---|---|
| Financials | 21.6% | 14.8% |
| Information Technology | 18.0% | 21.1% |
| Health Care | 15.9% | 11.5% |
| Industrials | 13.6% | 10.9% |
| Consumer Staples | 11.0% | 8.9% |
| Other Sectors | 18.3% | 32.3% |
| Unclassified | 1.1% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (1% of MGV, 0% of VOOV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| MGV | +1.6% | +19.3% | +30.6% | +18.7% | +13.1% | +13.0% | 1.83% |
| VOOV | +2.2% | +12.1% | +21.6% | +14.7% | +11.7% | +11.9% | 1.64% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in MGV vs VOOV →
Shared Holdings(112)
The top 10 shared positions account for 27% of the overlap, led by XOM, INTC and WMT.
 XOMExxon Mobil Corp. COM | 2.91% | 2.09% | 2.09% |
|---|---|---|---|
 INTCIntel Corporation COM | 2.20% | 1.85% | 1.85% |
 WMTWalmart Inc COM | 2.44% | 1.75% | 1.75% |
 COSTCostco Wholesale Corporation COM | 2.04% | 1.46% | 1.46% |
 UNHUnitedHealth Group Inc. COM | 1.66% | 1.19% | 1.19% |
 BACBank of America Corp. COM | 1.60% | 1.18% | 1.18% |
 CVXChevron Corp. COM | 1.66% | 1.18% | 1.18% |
 PGThe Procter & Gamble Co. COM | 1.60% | 1.15% | 1.15% |
 HDHome Depot, Inc. (The) | 1.52% | 1.09% | 1.09% |
 MRKMerck & Co., Inc COM | 1.41% | 1.01% | 1.01% |
 TXNTexas Instruments Inc. COM | 1.33% | 0.96% | 0.96% |
 QCOMQUALCOMM Inc. COM | 1.29% | 0.92% | 0.92% |
 JPMJPMorgan Chase & Co. COM | 3.64% | 0.83% | 0.83% |
 WFCWells Fargo & Co. COM | 1.15% | 0.83% | 0.83% |
 LINLinde PLC COM EUR0.001 | 1.11% | 0.80% | 0.80% |
 CSCOCisco Systems, Inc. COM | 2.06% | 0.77% | 0.77% |
 JNJJohnson & Johnson COM | 2.61% | 0.77% | 0.77% |
 CCitigroup Inc. COM NEW | 1.01% | 0.72% | 0.72% |
 ABBVAbbVie Inc. COM | 1.85% | 0.72% | 0.72% |
 ADIAnalog Devices Inc. COM | 0.97% | 0.70% | 0.70% |
 VZVerizon Communications Inc. COM | 0.87% | 0.69% | 0.69% |
 PEPPepsico Inc COM | 0.95% | 0.68% | 0.68% |
 TMOThermo Fisher Scientific Inc COM | 0.88% | 0.64% | 0.64% |
 NEENextEra Energy Inc COM | 0.87% | 0.62% | 0.62% |
 DISWalt Disney Company COM | 0.87% | 0.62% | 0.62% |
Frequently Asked Questions
How much do MGV and VOOV overlap?
MGV and VOOV overlap by 51.7% of portfolio weight. They share 112 holdings (MGV holds 120 positions and VOOV holds 440), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MGV and VOOV?
The two portfolios are 51.7% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of MGV and VOOV?
The largest positions held by both funds are XOM, INTC, WMT, COST and UNH. Together the top 10 shared positions account for 27% of the total overlap.
What does MGV own that VOOV doesn't?
8 positions (14.9% of MGV) are unique to MGV, led by MU, BRK-B and CAT. In the other direction, 328 positions (47.0% of VOOV) are unique to VOOV.