IWP vs QQQ: Holdings Overlap
IWPiShares Russell Mid-Cap Growth ETF
iShares · 277 holdings · $20.5B · as of 2026-03-31
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
How similar are IWP and QQQ?
iShares Russell Mid-Cap Growth ETF (IWP, by iShares) holds 277 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. They have 15 holdings in common, and by portfolio weight the two funds are 3.1% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 15IWP holds 277 · QQQ holds 101
- Weight in Shared Holdings
- IWP 14%·QQQ 3%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 IWP
262 of 277 positions (86.4% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWP | QQQ |
|---|---|---|
| Information Technology | 15.6% | 49.7% |
| Industrials | 24.4% | 4.2% |
| Consumer Discretionary | 21.2% | 12.6% |
| Communication Services | 4.9% | 16.0% |
| Health Care | 14.9% | 5.1% |
| Other Sectors | 18.9% | 12.4% |
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 |
|---|---|---|---|---|---|---|---|
| IWP | +1.5% | +5.4% | +3.1% | +14.6% | +5.1% | +12.1% | 0.34% |
| 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 IWP vs QQQ →
Shared Holdings(15)
The top 10 shared positions account for 82% of the overlap, led by ROST, MPWR and FAST.
 ROSTRoss Stores, Inc. | 0.50% | 0.40% | 0.40% |
|---|---|---|---|
 MPWRMonolithic Power Systems, Inc. | 1.82% | 0.30% | 0.30% |
 FASTFastenal Co. | 1.57% | 0.30% | 0.30% |
 IDXXIDEXX Laboratories, Inc. | 1.61% | 0.25% | 0.25% |
 ALNYAlnylam Pharmaceuticals, Inc. | 1.51% | 0.25% | 0.25% |
 DDOGDatadog, Inc., Class A | 1.33% | 0.22% | 0.22% |
 TTWOTake-Two Interactive Software, Inc. | 0.44% | 0.21% | 0.21% |
 INSMInsmed, Inc. | 1.15% | 0.20% | 0.20% |
 AXONAxon Enterprise, Inc. | 1.16% | 0.19% | 0.19% |
 PAYXPaychex, Inc. | 0.34% | 0.19% | 0.19% |
 VRSKVerisk Analytics, Inc. | 0.57% | 0.15% | 0.15% |
 DXCMDexcom, Inc. | 0.88% | 0.14% | 0.14% |
 ZSZscaler, Inc. | 0.50% | 0.13% | 0.13% |
 CSGPCoStar Group, Inc. | 0.08% | 0.10% | 0.08% |
 ODFLOld Dominion Freight Line, Inc. | 0.07% | 0.23% | 0.07% |
Frequently Asked Questions
How much do IWP and QQQ overlap?
IWP and QQQ overlap by 3.1% of portfolio weight. They share 15 holdings (IWP holds 277 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWP and QQQ?
The two portfolios are 3.1% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IWP and QQQ?
The largest positions held by both funds are ROST, MPWR, FAST, IDXX and ALNY. Together the top 10 shared positions account for 82% of the total overlap.
What does IWP own that QQQ doesn't?
262 positions (86.4% of IWP) are unique to IWP, led by VRT, HWM and RCL. In the other direction, 86 positions (96.6% of QQQ) are unique to QQQ.