IUSV vs MGV: Holdings Overlap
IUSViShares Core S&P U.S. Value ETF
iShares · 741 holdings · $27.7B · as of 2026-03-31
MGVVanguard Mega Cap Value Index Fund
Vanguard · 120 holdings · $13.6B · as of 2026-05-31
Holdings snapshots are 61 days apart (IUSV: 2026-03-31, MGV: 2026-05-31). 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 IUSV and MGV?
iShares Core S&P U.S. Value ETF (IUSV, by iShares) holds 741 positions; Vanguard Mega Cap Value Index Fund (MGV, by Vanguard) holds 120. They have 112 holdings in common, and by portfolio weight the two funds are 50.5% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 50.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 112IUSV holds 741 · MGV holds 120
- Weight in Shared Holdings
- IUSV 51%·MGV 85%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 IUSV
629 of 741 positions (48.3% of the fund) are not held by MGV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IUSV | MGV |
|---|---|---|
| Financials | 15.9% | 21.6% |
| Information Technology | 16.0% | 18.0% |
| Health Care | 11.8% | 15.9% |
| Industrials | 11.8% | 13.6% |
| Consumer Staples | 9.5% | 11.0% |
| Other Sectors | 34.7% | 18.3% |
| Unclassified | 0.0% | 1.1% |
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 (0% of IUSV, 1% of MGV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IUSV | +2.2% | +12.3% | +21.9% | +14.7% | +11.6% | +11.9% | 1.63% |
| MGV | +1.6% | +19.3% | +30.6% | +18.7% | +13.1% | +13.0% | 1.83% |
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 IUSV vs MGV →
Shared Holdings(112)
The top 10 shared positions account for 27% of the overlap, led by XOM, WMT and COST.
 XOMExxon Mobil Corp. COM | 2.48% | 2.91% | 2.48% |
|---|---|---|---|
 WMTWalmart Inc COM | 1.91% | 2.44% | 1.91% |
 COSTCostco Wholesale Corporation COM | 1.55% | 2.04% | 1.55% |
 CVXChevron Corp. COM | 1.36% | 1.66% | 1.36% |
 PGThe Procter & Gamble Co. COM | 1.17% | 1.60% | 1.17% |
 HDHome Depot, Inc. (The) | 1.15% | 1.52% | 1.15% |
 BACBank of America Corp. COM | 1.13% | 1.60% | 1.13% |
 MRKMerck & Co., Inc COM | 1.04% | 1.41% | 1.04% |
 JPMJPMorgan Chase & Co. COM | 0.89% | 3.64% | 0.89% |
 WFCWells Fargo & Co. COM | 0.86% | 1.15% | 0.86% |
 UNHUnitedHealth Group Inc. COM | 0.86% | 1.66% | 0.86% |
 JNJJohnson & Johnson COM | 0.84% | 2.61% | 0.84% |
 LINLinde PLC COM EUR0.001 | 0.81% | 1.11% | 0.81% |
 PEPPepsico Inc COM | 0.74% | 0.95% | 0.74% |
 VZVerizon Communications Inc. COM | 0.74% | 0.87% | 0.74% |
 ABBVAbbVie Inc. COM | 0.73% | 1.85% | 0.73% |
 INTCIntel Corporation COM | 0.72% | 2.20% | 0.72% |
 TAT&T Inc COM | 0.71% | 0.83% | 0.71% |
 CCitigroup Inc. COM NEW | 0.69% | 1.01% | 0.69% |
 NEENextEra Energy Inc COM | 0.68% | 0.87% | 0.68% |
 TMOThermo Fisher Scientific Inc COM | 0.65% | 0.88% | 0.65% |
 ABTAbbott Laboratories COM | 0.62% | 0.72% | 0.62% |
 TXNTexas Instruments Inc. COM | 0.62% | 1.33% | 0.62% |
 KOCoca-Cola Co (The) COM | 0.60% | 1.31% | 0.60% |
 DISWalt Disney Company COM | 0.60% | 0.87% | 0.60% |
Frequently Asked Questions
How much do IUSV and MGV overlap?
IUSV and MGV overlap by 50.5% of portfolio weight. They share 112 holdings (IUSV holds 741 positions and MGV holds 120), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSV and MGV?
The two portfolios are 50.5% 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 IUSV and MGV?
The largest positions held by both funds are XOM, WMT, COST, CVX and PG. Together the top 10 shared positions account for 27% of the total overlap.
What does IUSV own that MGV doesn't?
629 positions (48.3% of IUSV) are unique to IUSV, led by AAPL, AMZN and TSLA. In the other direction, 8 positions (14.9% of MGV) are unique to MGV.