IYM vs QQQ: Holdings Overlap
IYMiShares U.S. Basic Materials ETF
iShares · 38 holdings · $1.1B · 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 (IYM: 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 IYM and QQQ?
iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. They have 2 holdings in common, and by portfolio weight the two funds are 1.6% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2IYM holds 38 · QQQ holds 101
- Weight in Shared Holdings
- IYM 24%·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 IYM
36 of 38 positions (76.0% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IYM | QQQ |
|---|---|---|
| Materials | 88.4% | 1.3% |
| Information Technology | 0.0% | 49.7% |
| Communication Services | 0.0% | 16.0% |
| Consumer Discretionary | 0.0% | 12.6% |
| Industrials | 11.4% | 4.2% |
| Other Sectors | 0.0% | 16.2% |
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 |
|---|---|---|---|---|---|---|---|
| IYM | +5.2% | +23.1% | +34.0% | +13.6% | +9.2% | +10.8% | 1.24% |
| 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 IYM vs QQQ →
Shared Holdings(2)
Frequently Asked Questions
How much do IYM and QQQ overlap?
IYM and QQQ overlap by 1.6% of portfolio weight. They share 2 holdings (IYM holds 38 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IYM and QQQ?
The two portfolios are 1.6% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IYM and QQQ?
The largest positions held by both funds are LIN and FAST. Together the top 2 shared positions account for 100% of the total overlap.
What does IYM own that QQQ doesn't?
36 positions (76.0% of IYM) are unique to IYM, led by NEM, FCX and ECL. In the other direction, 99 positions (98.3% of QQQ) are unique to QQQ.