IDU vs QQQ: Holdings Overlap
iShares · 44 holdings · $1.5B · as of 2026-04-30
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
Holdings snapshots are 30 days apart (IDU: 2026-04-30, QQQ: 2026-03-31). 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 IDU and QQQ?
iShares U.S. Utilities ETF (IDU, by iShares) holds 44 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. They have 4 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
- 4IDU holds 44 · QQQ holds 101
- Weight in Shared Holdings
- IDU 16%·QQQ 2%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 IDU
40 of 44 positions (83.9% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IDU | QQQ |
|---|---|---|
| Utilities | 91.2% | 1.5% |
| Information Technology | 0.0% | 49.7% |
| Communication Services | 0.0% | 16.0% |
| Consumer Discretionary | 0.0% | 12.6% |
| Industrials | 8.6% | 4.2% |
| Other Sectors | 0.0% | 15.9% |
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 |
|---|---|---|---|---|---|---|---|
| IDU | -4.3% | +3.5% | +2.8% | +14.4% | +8.5% | +8.6% | 2.27% |
| QQQ | +1.9% | +18.0% | +27.6% | +25.2% | +15.2% | +20.8% | 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 IDU vs QQQ →
Shared Holdings(4)
The top 4 shared positions account for 100% of the overlap, led by CEG, AEP and EXC.
Frequently Asked Questions
How much do IDU and QQQ overlap?
IDU and QQQ overlap by 1.5% of portfolio weight. They share 4 holdings (IDU holds 44 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDU and QQQ?
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 IDU and QQQ?
The largest positions held by both funds are CEG, AEP, EXC and XEL. Together the top 4 shared positions account for 100% of the total overlap.
What does IDU own that QQQ doesn't?
40 positions (83.9% of IDU) are unique to IDU, led by NEE, SO and DUK. In the other direction, 97 positions (98.3% of QQQ) are unique to QQQ.