ITA vs ITB: Holdings Overlap
ITAiShares U.S. Aerospace & Defense ETF
iShares · 44 holdings · $14.8B · as of 2026-03-31
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
How similar are ITA and ITB?
iShares U.S. Aerospace & Defense ETF (ITA, by iShares) holds 44 positions; iShares U.S. Home Construction ETF (ITB, by iShares) holds 46. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0ITA holds 44 · ITB holds 46
- Weight in Shared Holdings
- ITA 0%·ITB 0%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 ITA
44 of 44 positions (99.9% of the fund) are not held by ITB. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITA | ITB |
|---|---|---|
| Industrials | 99.8% | 20.8% |
| Consumer Discretionary | 0.1% | 73.0% |
| Materials | 0.0% | 6.0% |
| Other Sectors | 0.0% | 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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ITA | +2.3% | +16.9% | +28.0% | +29.8% | +19.2% | +15.5% | 0.42% |
| 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 ITA vs ITB →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do ITA and ITB overlap?
ITA and ITB overlap by 0.0% of portfolio weight. They share 0 holdings (ITA holds 44 positions and ITB holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITA and ITB?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does ITA own that ITB doesn't?
44 positions (99.9% of ITA) are unique to ITA, led by GE, RTX and BA. In the other direction, 46 positions (99.8% of ITB) are unique to ITB.