IWB vs QQQ: Holdings Overlap
iShares · 1005 holdings · $49.9B · as of 2026-03-31
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
How similar are IWB and QQQ?
iShares Russell 1000 ETF (IWB, by iShares) holds 1005 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. They have 91 holdings in common, and by portfolio weight the two funds are 46.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 46.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 91IWB holds 1005 · QQQ holds 101
- Weight in Shared Holdings
- IWB 47%·QQQ 96%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 IWB
914 of 1005 positions (52.9% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWB | QQQ |
|---|---|---|
| Information Technology | 30.9% | 49.7% |
| Communication Services | 10.2% | 16.0% |
| Financials | 12.9% | 0.2% |
| Consumer Discretionary | 10.0% | 12.6% |
| Industrials | 9.9% | 4.2% |
| Other Sectors | 26.0% | 17.2% |
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 |
|---|---|---|---|---|---|---|---|
| IWB | +3.4% | +13.9% | +23.1% | +20.9% | +12.6% | +15.0% | 0.89% |
| 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 IWB vs QQQ →
Shared Holdings(91)
The top 10 shared positions account for 70% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 6.81% | 8.68% | 6.81% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.10% | 7.63% | 6.10% |
 MSFTMicrosoft Corp. COM | 4.58% | 5.63% | 4.58% |
 AMZNAmazon.com, Inc. COM | 3.33% | 4.58% | 3.33% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.79% | 3.43% | 2.79% |
 AVGOBroadcom Inc COM | 2.39% | 3.01% | 2.39% |
 GOOGAlphabet Inc. CAP STK CL C | 2.27% | 3.20% | 2.27% |
 METAMeta Platforms, Inc., Class A | 2.08% | 3.46% | 2.08% |
 TSLATesla Inc COM | 1.75% | 3.80% | 1.75% |
 WMTWalmart Inc COM | 0.90% | 3.43% | 0.90% |
 COSTCostco Wholesale Corporation COM | 0.74% | 2.50% | 0.74% |
 NFLXNetflix, Inc. COM | 0.68% | 2.30% | 0.68% |
 MUMicron Technology Inc. COM | 0.63% | 2.15% | 0.63% |
 AMDAdvanced Micro Devices Inc. COM | 0.55% | 1.88% | 0.55% |
 PLTRPalantir Technologies, Inc., Class A | 0.53% | 1.90% | 0.53% |
 CSCOCisco Systems, Inc. COM | 0.52% | 1.73% | 0.52% |
 AMATApplied Materials Inc. COM | 0.45% | 1.53% | 0.45% |
 LRCXLam Research Corporation COM NEW | 0.45% | 1.51% | 0.45% |
 LINLinde PLC COM EUR0.001 | 0.39% | 1.30% | 0.39% |
 PEPPepsico Inc COM | 0.36% | 1.20% | 0.36% |
 INTCIntel Corporation COM | 0.32% | 1.25% | 0.32% |
 KLACKLA Corp. COM NEW | 0.32% | 1.09% | 0.32% |
 AMGNAmgen Inc. COM | 0.32% | 1.07% | 0.32% |
 TXNTexas Instruments Inc. COM | 0.29% | 1.00% | 0.29% |
 GILDGilead Sciences Inc. COM | 0.29% | 0.98% | 0.29% |
Frequently Asked Questions
How much do IWB and QQQ overlap?
IWB and QQQ overlap by 46.9% of portfolio weight. They share 91 holdings (IWB holds 1005 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWB and QQQ?
The two portfolios are 46.9% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IWB and QQQ?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 70% of the total overlap.
What does IWB own that QQQ doesn't?
914 positions (52.9% of IWB) are unique to IWB, led by BRK-B, JPM and LLY. In the other direction, 10 positions (4.0% of QQQ) are unique to QQQ.