MGV vs IWX: Holdings Overlap
MGVVanguard Mega Cap Value Index Fund
Vanguard · 120 holdings · $13.6B · as of 2026-05-31
IWXiShares Russell Top 200 Value ETF
iShares · 154 holdings · $4.0B · as of 2026-03-31
Holdings snapshots are 61 days apart (MGV: 2026-05-31, IWX: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are MGV and IWX?
Vanguard Mega Cap Value Index Fund (MGV, by Vanguard) holds 120 positions; iShares Russell Top 200 Value ETF (IWX, by iShares) holds 154. They have 108 holdings in common, and by portfolio weight the two funds are 74.0% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 74.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 108MGV holds 120 · IWX holds 154
- Weight in Shared Holdings
- MGV 90%·IWX 81%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
12 of 120 positions (9.2% of the fund) are not held by IWX.
Sector Breakdown
| Sector | MGV | IWX |
|---|---|---|
| Financials | 21.6% | 22.3% |
| Information Technology | 18.0% | 11.4% |
| Health Care | 15.9% | 13.6% |
| Industrials | 13.6% | 11.6% |
| Consumer Staples | 11.0% | 8.5% |
| Other Sectors | 18.3% | 32.4% |
| 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 IWX).
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% |
| IWX | +4.2% | +23.5% | +36.3% | +20.0% | +12.9% | +12.2% | 1.36% |
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 IWX →
Shared Holdings(108)
The top 10 shared positions account for 31% of the overlap, led by JPM, BRK-B and XOM.
 JPMJPMorgan Chase & Co. COM | 3.64% | 3.89% | 3.64% |
|---|---|---|---|
 BRK-BBerkshire Hathaway, Inc., Class B | 3.15% | 4.30% | 3.15% |
 XOMExxon Mobil Corp. COM | 2.91% | 3.49% | 2.91% |
 JNJJohnson & Johnson COM | 2.61% | 2.86% | 2.61% |
 WMTWalmart Inc COM | 2.44% | 2.37% | 2.37% |
 MUMicron Technology Inc. COM | 5.26% | 1.84% | 1.84% |
 CVXChevron Corp. COM | 1.66% | 1.88% | 1.66% |
 PGThe Procter & Gamble Co. COM | 1.60% | 1.65% | 1.60% |
 CSCOCisco Systems, Inc. COM | 2.06% | 1.50% | 1.50% |
 BACBank of America Corp. COM | 1.60% | 1.43% | 1.43% |
 MRKMerck & Co., Inc COM | 1.41% | 1.45% | 1.41% |
 CATCaterpillar Inc COM | 1.96% | 1.40% | 1.40% |
 PMPhilip Morris International Inc. COM | 1.33% | 1.25% | 1.25% |
 UNHUnitedHealth Group Inc. COM | 1.66% | 1.20% | 1.20% |
 RTXRTX Corp. COM | 1.16% | 1.25% | 1.16% |
 WFCWells Fargo & Co. COM | 1.15% | 1.20% | 1.15% |
 GSGoldman Sachs Group, Inc. (The) | 1.39% | 1.14% | 1.14% |
 LINLinde PLC COM EUR0.001 | 1.11% | 1.13% | 1.11% |
 IBMInternational Business Machines Corp. COM | 1.34% | 1.10% | 1.10% |
 INTCIntel Corporation COM | 2.20% | 0.95% | 0.95% |
 AMATApplied Materials Inc. COM | 1.72% | 0.94% | 0.94% |
 MSMorgan Stanley COM NEW | 1.19% | 0.91% | 0.91% |
 PEPPepsico Inc COM | 0.95% | 0.89% | 0.89% |
 TMOThermo Fisher Scientific Inc COM | 0.88% | 0.90% | 0.88% |
 VZVerizon Communications Inc. COM | 0.87% | 1.03% | 0.87% |
Frequently Asked Questions
How much do MGV and IWX overlap?
MGV and IWX overlap by 74.0% of portfolio weight. They share 108 holdings (MGV holds 120 positions and IWX holds 154), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MGV and IWX?
The two portfolios are 74.0% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of MGV and IWX?
The largest positions held by both funds are JPM, BRK-B, XOM, JNJ and WMT. Together the top 10 shared positions account for 31% of the total overlap.
What does MGV own that IWX doesn't?
12 positions (9.2% of MGV) are unique to MGV, led by COST, ABBV and GE. In the other direction, 46 positions (18.8% of IWX) are unique to IWX.