IWO vs QQQ: Holdings Overlap
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
How similar are IWO and QQQ?
iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. 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
- 0IWO holds 1101 · QQQ holds 101
- Weight in Shared Holdings
- IWO 0%·QQQ 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 IWO
1101 of 1101 positions (99.8% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWO | QQQ |
|---|---|---|
| Information Technology | 19.0% | 49.7% |
| Industrials | 23.7% | 4.2% |
| Health Care | 23.1% | 5.1% |
| Communication Services | 2.3% | 16.0% |
| Consumer Discretionary | 7.3% | 12.6% |
| Other Sectors | 20.5% | 12.4% |
| Unclassified | 4.0% | 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. “Unclassified” is weight we could not classify (4% of IWO, 0% of QQQ).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
| 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 IWO vs QQQ →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do IWO and QQQ overlap?
IWO and QQQ overlap by 0.0% of portfolio weight. They share 0 holdings (IWO holds 1101 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWO and QQQ?
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 IWO own that QQQ doesn't?
1101 positions (99.8% of IWO) are unique to IWO, led by BE, FN and CRDO. In the other direction, 101 positions (99.9% of QQQ) are unique to QQQ.