IFRA vs ITB: Holdings Overlap
IFRAiShares U.S. Infrastructure ETF
iShares · 162 holdings · $4.6B · as of 2026-03-31
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
How similar are IFRA and ITB?
iShares U.S. Infrastructure ETF (IFRA, by iShares) holds 162 positions; iShares U.S. Home Construction ETF (ITB, by iShares) holds 46. They have 6 holdings in common, and by portfolio weight the two funds are 1.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 6IFRA holds 162 · ITB holds 46
- Weight in Shared Holdings
- IFRA 1%·ITB 8%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 IFRA
156 of 162 positions (98.3% of the fund) are not held by ITB. Showing the top 30 by weight.
Sector Breakdown
| Sector | IFRA | ITB |
|---|---|---|
| Consumer Discretionary | 0.3% | 73.0% |
| Utilities | 41.4% | 0.0% |
| Industrials | 35.2% | 20.8% |
| Materials | 13.6% | 6.0% |
| Energy | 8.5% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 0.9% | 0.0% |
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 (1% of IFRA, 0% of ITB).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IFRA | -1.1% | +17.1% | +22.3% | +17.8% | +13.3% | — | 1.59% |
| ITB | +1.3% | +5.4% | -1.5% | +5.3% | +8.1% | +14.1% | 0.64% |
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 IFRA vs ITB →
Shared Holdings(6)
The top 6 shared positions account for 100% of the overlap, led by BLDR, OC and SSD.
 BLDRBuilders Firstsource, Inc. COM | 0.37% | 2.03% | 0.37% |
|---|---|---|---|
 OCOwens Corning COM | 0.36% | 1.98% | 0.36% |
 SSDSimpson Manufacturing Co Inc. COM | 0.30% | 1.58% | 0.30% |
 EXPEagle Materials Inc. COM | 0.25% | 1.32% | 0.25% |
 TREXTrex Company, Inc. COM | 0.16% | 0.87% | 0.16% |
 ROCKGibraltar Industries, Inc. COM | 0.05% | 0.26% | 0.05% |
Frequently Asked Questions
How much do IFRA and ITB overlap?
IFRA and ITB overlap by 1.5% of portfolio weight. They share 6 holdings (IFRA holds 162 positions and ITB holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IFRA and ITB?
The two portfolios are 1.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IFRA and ITB?
The largest positions held by both funds are BLDR, OC, SSD, EXP and TREX. Together the top 6 shared positions account for 100% of the total overlap.
What does IFRA own that ITB doesn't?
156 positions (98.3% of IFRA) are unique to IFRA, led by CAT, NEE and UNP. In the other direction, 40 positions (91.8% of ITB) are unique to ITB.