IUSV vs VOO: Holdings Overlap
IUSViShares Core S&P U.S. Value ETF
iShares · 741 holdings · $27.7B · as of 2026-03-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
How similar are IUSV and VOO?
iShares Core S&P U.S. Value ETF (IUSV, by iShares) holds 741 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 439 holdings in common, and by portfolio weight the two funds are 60.1% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 60.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 439IUSV holds 741 · VOO holds 504
- Weight in Shared Holdings
- IUSV 94%·VOO 64%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
302 of 741 positions (5.5% of the fund) are not held by VOO. Showing the top 30 by weight.
Sector Breakdown
| Sector | IUSV | VOO |
|---|---|---|
| Information Technology | 16.0% | 32.7% |
| Financials | 15.9% | 12.4% |
| Health Care | 11.8% | 9.5% |
| Industrials | 11.8% | 9.0% |
| Communication Services | 3.5% | 10.5% |
| Other Sectors | 40.7% | 25.7% |
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% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
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 VOO →
Shared Holdings(439)
The top 10 shared positions account for 29% of the overlap, led by AAPL, AMZN and TSLA.
 AAPLApple Inc. COM | 6.52% | 6.66% | 6.52% |
|---|---|---|---|
 AMZNAmazon.com, Inc. COM | 3.34% | 3.64% | 3.34% |
 TSLATesla Inc COM | 1.39% | 1.87% | 1.39% |
 XOMExxon Mobil Corp. COM | 2.48% | 1.27% | 1.27% |
 WMTWalmart Inc COM | 1.91% | 0.97% | 0.97% |
 JPMJPMorgan Chase & Co. COM | 0.89% | 1.34% | 0.89% |
 JNJJohnson & Johnson COM | 0.84% | 1.05% | 0.84% |
 VVisa, Inc., Class A | 0.80% | 0.89% | 0.80% |
 COSTCostco Wholesale Corporation COM | 1.55% | 0.79% | 0.79% |
 CVXChevron Corp. COM | 1.36% | 0.69% | 0.69% |
 ABBVAbbVie Inc. COM | 0.73% | 0.69% | 0.69% |
 PGThe Procter & Gamble Co. COM | 1.17% | 0.60% | 0.60% |
 HDHome Depot, Inc. (The) | 1.15% | 0.59% | 0.59% |
 BACBank of America Corp. COM | 1.13% | 0.56% | 0.56% |
 MRKMerck & Co., Inc COM | 1.04% | 0.53% | 0.53% |
 KOCoca-Cola Co (The) COM | 0.60% | 0.53% | 0.53% |
 CSCOCisco Systems, Inc. COM | 0.50% | 0.55% | 0.50% |
 GEGE Aerospace COM NEW | 0.50% | 0.53% | 0.50% |
 MAMasterCard Incorporated CL A | 0.47% | 0.73% | 0.47% |
 WFCWells Fargo & Co. COM | 0.86% | 0.44% | 0.44% |
 UNHUnitedHealth Group Inc. COM | 0.86% | 0.44% | 0.44% |
 ORCLOracle Corp. COM | 0.42% | 0.45% | 0.42% |
 LINLinde PLC COM EUR0.001 | 0.81% | 0.41% | 0.41% |
 PMPhilip Morris International Inc. COM | 0.40% | 0.46% | 0.40% |
 MCDMcDonald's Corp. COM | 0.43% | 0.40% | 0.40% |
Showing the top 250 of 439 shared holdings by overlap weight.
Frequently Asked Questions
How much do IUSV and VOO overlap?
IUSV and VOO overlap by 60.1% of portfolio weight. They share 439 holdings (IUSV holds 741 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSV and VOO?
The two portfolios are 60.1% 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 IUSV and VOO?
The largest positions held by both funds are AAPL, AMZN, TSLA, XOM and WMT. Together the top 10 shared positions account for 29% of the total overlap.
What does IUSV own that VOO doesn't?
302 positions (5.5% of IUSV) are unique to IUSV, led by USFD, AA and OVV. In the other direction, 65 positions (36.1% of VOO) are unique to VOO.