ITB vs VIOV: Holdings Overlap
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
VIOVVanguard S&P Small-cap 600 Value Index Fund
Vanguard · 460 holdings · $1.9B · as of 2026-05-31
Holdings snapshots are 61 days apart (ITB: 2026-03-31, VIOV: 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 ITB and VIOV?
iShares U.S. Home Construction ETF (ITB, by iShares) holds 46 positions; Vanguard S&P Small-cap 600 Value Index Fund (VIOV, by Vanguard) holds 460. They have 16 holdings in common, and by portfolio weight the two funds are 3.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 16ITB holds 46 · VIOV holds 460
- Weight in Shared Holdings
- ITB 10%·VIOV 3%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
30 of 46 positions (89.5% of the fund) are not held by VIOV.
Sector Breakdown
| Sector | ITB | VIOV |
|---|---|---|
| Consumer Discretionary | 73.0% | 14.9% |
| Financials | 0.0% | 21.0% |
| Industrials | 20.8% | 12.6% |
| Information Technology | 0.0% | 13.3% |
| Health Care | 0.0% | 7.4% |
| Other Sectors | 6.0% | 30.3% |
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% |
| VIOV | +3.7% | +23.2% | +39.7% | +13.8% | +8.4% | +10.4% | 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 ITB vs VIOV →
Shared Holdings(16)
The top 10 shared positions account for 84% of the overlap, led by MHK, MTH and MHO.
 MHKMohawk Industries, Inc. COM | 1.14% | 0.65% | 0.65% |
|---|---|---|---|
 MTHMeritage Homes Corp COM | 1.68% | 0.51% | 0.51% |
 MHOM/I Homes Inc. COM | 1.30% | 0.40% | 0.40% |
 SKYChampion Homes Inc. COM | 1.67% | 0.26% | 0.26% |
 MBCMasterBrand Inc COMMON STOCK | 0.23% | 0.20% | 0.20% |
 LZBLa-Z-Boy Inc COM | 0.30% | 0.18% | 0.18% |
 HAYWHayward Holdings Inc COM | 0.59% | 0.17% | 0.17% |
 GFFGriffon Corp COM | 0.63% | 0.16% | 0.16% |
 LEGLeggett & Platt Inc. COM | 0.30% | 0.16% | 0.16% |
 CCSCentury Communities Inc COM | 0.59% | 0.16% | 0.16% |
 ROCKGibraltar Industries, Inc. COM | 0.26% | 0.13% | 0.13% |
 LGIHLGI Homes Inc COM | 0.33% | 0.11% | 0.11% |
 GRBKGreen Brick Partners Inc. COM | 0.80% | 0.10% | 0.10% |
 NXQuanex Building Products Corp. COM | 0.18% | 0.10% | 0.10% |
 ETDEthan Allen Interiors Inc. COM | 0.11% | 0.06% | 0.06% |
 DFHDream Finders Homes, Inc., Class A | 0.16% | 0.05% | 0.05% |
Frequently Asked Questions
How much do ITB and VIOV overlap?
ITB and VIOV overlap by 3.4% of portfolio weight. They share 16 holdings (ITB holds 46 positions and VIOV holds 460), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITB and VIOV?
The two portfolios are 3.4% 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 VIOV?
The largest positions held by both funds are MHK, MTH, MHO, SKY and MBC. Together the top 10 shared positions account for 84% of the total overlap.
What does ITB own that VIOV doesn't?
30 positions (89.5% of ITB) are unique to ITB, led by DHI, PHM and LEN. In the other direction, 444 positions (96.2% of VIOV) are unique to VIOV.