IUSV vs VOOV: Holdings Overlap
IUSViShares Core S&P U.S. Value ETF
iShares · 741 holdings · $27.7B · as of 2026-03-31
VOOVVanguard S&P 500 Value Index Fund
Vanguard · 440 holdings · $6.7B · as of 2026-05-31
Holdings snapshots are 61 days apart (IUSV: 2026-03-31, VOOV: 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 VOOV?
iShares Core S&P U.S. Value ETF (IUSV, by iShares) holds 741 positions; Vanguard S&P 500 Value Index Fund (VOOV, by Vanguard) holds 440. They have 437 holdings in common, and by portfolio weight the two funds are 90.0% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 90.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 437IUSV holds 741 · VOOV holds 440
- Weight in Shared Holdings
- IUSV 94%·VOOV 99%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
304 of 741 positions (5.6% of the fund) are not held by VOOV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IUSV | VOOV |
|---|---|---|
| Information Technology | 16.0% | 21.1% |
| Financials | 15.9% | 14.8% |
| Health Care | 11.8% | 11.5% |
| Industrials | 11.8% | 10.9% |
| Consumer Discretionary | 10.5% | 10.8% |
| Other Sectors | 33.8% | 30.4% |
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.
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% |
| 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 IUSV vs VOOV →
Shared Holdings(437)
The top 10 shared positions account for 23% of the overlap, led by AAPL, AMZN and XOM.
 AAPLApple Inc. COM | 6.52% | 7.89% | 6.52% |
|---|---|---|---|
 AMZNAmazon.com, Inc. COM | 3.34% | 4.28% | 3.34% |
 XOMExxon Mobil Corp. COM | 2.48% | 2.09% | 2.09% |
 WMTWalmart Inc COM | 1.91% | 1.75% | 1.75% |
 COSTCostco Wholesale Corporation COM | 1.55% | 1.46% | 1.46% |
 TSLATesla Inc COM | 1.39% | 1.60% | 1.39% |
 CVXChevron Corp. COM | 1.36% | 1.18% | 1.18% |
 PGThe Procter & Gamble Co. COM | 1.17% | 1.15% | 1.15% |
 BACBank of America Corp. COM | 1.13% | 1.18% | 1.13% |
 HDHome Depot, Inc. (The) | 1.15% | 1.09% | 1.09% |
 MRKMerck & Co., Inc COM | 1.04% | 1.01% | 1.01% |
 UNHUnitedHealth Group Inc. COM | 0.86% | 1.19% | 0.86% |
 JPMJPMorgan Chase & Co. COM | 0.89% | 0.83% | 0.83% |
 WFCWells Fargo & Co. COM | 0.86% | 0.83% | 0.83% |
 LINLinde PLC COM EUR0.001 | 0.81% | 0.80% | 0.80% |
 VVisa, Inc., Class A | 0.80% | 0.85% | 0.80% |
 JNJJohnson & Johnson COM | 0.84% | 0.77% | 0.77% |
 INTCIntel Corporation COM | 0.72% | 1.85% | 0.72% |
 ABBVAbbVie Inc. COM | 0.73% | 0.72% | 0.72% |
 VZVerizon Communications Inc. COM | 0.74% | 0.69% | 0.69% |
 CCitigroup Inc. COM NEW | 0.69% | 0.72% | 0.69% |
 PEPPepsico Inc COM | 0.74% | 0.68% | 0.68% |
 TMOThermo Fisher Scientific Inc COM | 0.65% | 0.64% | 0.64% |
 NEENextEra Energy Inc COM | 0.68% | 0.62% | 0.62% |
 TXNTexas Instruments Inc. COM | 0.62% | 0.96% | 0.62% |
Showing the top 250 of 437 shared holdings by overlap weight.
Frequently Asked Questions
How much do IUSV and VOOV overlap?
IUSV and VOOV overlap by 90.0% of portfolio weight. They share 437 holdings (IUSV holds 741 positions and VOOV holds 440), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSV and VOOV?
The two portfolios are 90.0% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of IUSV and VOOV?
The largest positions held by both funds are AAPL, AMZN, XOM, WMT and COST. Together the top 10 shared positions account for 23% of the total overlap.
What does IUSV own that VOOV doesn't?
304 positions (5.6% of IUSV) are unique to IUSV, led by CTRA, USFD and AA. In the other direction, 3 positions (0.0% of VOOV) are unique to VOOV.