ITB vs VOO: Holdings Overlap
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
How similar are ITB and VOO?
iShares U.S. Home Construction ETF (ITB, by iShares) holds 46 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 10 holdings in common, and by portfolio weight the two funds are 1.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 10ITB holds 46 · VOO holds 504
- Weight in Shared Holdings
- ITB 61%·VOO 1%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 ITB
36 of 46 positions (38.9% of the fund) are not held by VOO. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITB | VOO |
|---|---|---|
| Consumer Discretionary | 73.0% | 9.9% |
| Information Technology | 0.0% | 32.7% |
| Industrials | 20.8% | 9.0% |
| Financials | 0.0% | 12.4% |
| Communication Services | 0.0% | 10.5% |
| Other Sectors | 6.0% | 25.3% |
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 |
|---|---|---|---|---|---|---|---|
| ITB | +1.3% | +5.4% | -1.5% | +5.3% | +8.1% | +14.1% | 0.64% |
| 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 ITB vs VOO →
Shared Holdings(10)
The top 10 shared positions account for 100% of the overlap, led by HD, LOW and SHW.
 HDHome Depot, Inc. (The) | 4.42% | 0.59% | 0.59% |
|---|---|---|---|
 LOWLowes Companies, Inc. COM | 4.51% | 0.24% | 0.24% |
 SHWThe Sherwin-Williams Company COM | 4.68% | 0.13% | 0.13% |
 DHID.R. Horton, Inc. COM | 15.01% | 0.07% | 0.07% |
 PHMPulte Group Inc COM | 9.17% | 0.04% | 0.04% |
 LENLennar Corp., Class A | 7.61% | 0.03% | 0.03% |
 NVRNVR Inc COM | 7.48% | 0.03% | 0.03% |
 LIILennox International Inc. COM | 3.30% | 0.03% | 0.03% |
 MASMasco Corporation COM | 2.73% | 0.02% | 0.02% |
 BLDRBuilders Firstsource, Inc. COM | 2.03% | 0.02% | 0.02% |
Frequently Asked Questions
How much do ITB and VOO overlap?
ITB and VOO overlap by 1.2% of portfolio weight. They share 10 holdings (ITB holds 46 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITB and VOO?
The two portfolios are 1.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of ITB and VOO?
The largest positions held by both funds are HD, LOW, SHW, DHI and PHM. Together the top 10 shared positions account for 100% of the total overlap.
What does ITB own that VOO doesn't?
36 positions (38.9% of ITB) are unique to ITB, led by TOL, 28T and IBP. In the other direction, 494 positions (98.6% of VOO) are unique to VOO.