ITB vs IWO: Holdings Overlap
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
How similar are ITB and IWO?
iShares U.S. Home Construction ETF (ITB, by iShares) holds 46 positions; iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101. They have 8 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
- 8ITB holds 46 · IWO holds 1101
- Weight in Shared Holdings
- ITB 9%·IWO 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
38 of 46 positions (91.3% of the fund) are not held by IWO. Showing the top 30 by weight.
Only in IWO
1093 of 1101 positions (98.6% of the fund) are not held by ITB. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITB | IWO |
|---|---|---|
| Consumer Discretionary | 73.0% | 7.3% |
| Industrials | 20.8% | 23.7% |
| Health Care | 0.0% | 23.1% |
| Information Technology | 0.0% | 19.0% |
| Financials | 0.0% | 8.6% |
| Other Sectors | 6.0% | 14.1% |
| Unclassified | 0.0% | 4.0% |
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 ITB, 4% of IWO).
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% |
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
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 IWO →
Shared Holdings(8)
The top 8 shared positions account for 100% of the overlap, led by IBP, SKY and CVCO.
 IBPInstalled Building Products Inc COM | 2.44% | 0.41% | 0.41% |
|---|---|---|---|
 SKYChampion Homes Inc. COM | 1.67% | 0.28% | 0.28% |
 CVCOCavco Industries, Inc. | 1.53% | 0.25% | 0.25% |
 GFFGriffon Corp COM | 0.63% | 0.19% | 0.19% |
 GRBKGreen Brick Partners Inc. COM | 0.80% | 0.05% | 0.05% |
 ARHSArhaus, Inc., Class A | 0.08% | 0.02% | 0.02% |
 UFPIUFP Industries Inc COM | 1.19% | 0.02% | 0.02% |
 DFHDream Finders Homes, Inc., Class A | 0.16% | 0.01% | 0.01% |
Frequently Asked Questions
How much do ITB and IWO overlap?
ITB and IWO overlap by 1.2% of portfolio weight. They share 8 holdings (ITB holds 46 positions and IWO holds 1101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITB and IWO?
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 IWO?
The largest positions held by both funds are IBP, SKY, CVCO, GFF and GRBK. Together the top 8 shared positions account for 100% of the total overlap.
What does ITB own that IWO doesn't?
38 positions (91.3% of ITB) are unique to ITB, led by DHI, PHM and LEN. In the other direction, 1093 positions (98.6% of IWO) are unique to IWO.