IHI vs QQQ: Holdings Overlap
IHIiShares U.S. Medical Devices ETF
iShares · 47 holdings · $3.4B · as of 2026-03-31
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
How similar are IHI and QQQ?
iShares U.S. Medical Devices ETF (IHI, by iShares) holds 47 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
- 4IHI holds 47 · QQQ holds 101
- Weight in Shared Holdings
- IHI 28%·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 IHI
43 of 47 positions (72.2% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IHI | QQQ |
|---|---|---|
| Health Care | 99.8% | 5.1% |
| Information Technology | 0.0% | 49.7% |
| Communication Services | 0.0% | 16.0% |
| Consumer Discretionary | 0.0% | 12.6% |
| Consumer Staples | 0.0% | 8.5% |
| Other Sectors | 0.0% | 8.0% |
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 |
|---|---|---|---|---|---|---|---|
| IHI | +4.1% | -12.3% | -9.9% | +0.5% | -2.6% | +8.9% | 0.45% |
| 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 IHI vs QQQ →
Shared Holdings(4)
The top 4 shared positions account for 100% of the overlap, led by ISRG, IDXX and GEHC.
Frequently Asked Questions
How much do IHI and QQQ overlap?
IHI and QQQ overlap by 1.5% of portfolio weight. They share 4 holdings (IHI holds 47 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IHI 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 IHI and QQQ?
The largest positions held by both funds are ISRG, IDXX, GEHC and DXCM. Together the top 4 shared positions account for 100% of the total overlap.
What does IHI own that QQQ doesn't?
43 positions (72.2% of IHI) are unique to IHI, led by ABT, SYK and MDT. In the other direction, 97 positions (98.4% of QQQ) are unique to QQQ.