QQQ vs IWD overlap
QQQ and IWD overlap 26.9% by weight, across 52 shared holdings.
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Top shared holdings
| Holding | QQQ | IWD | Overlap |
|---|---|---|---|
| Apple Inc.AAPL | 6.67% | 5.37% | 5.37% |
| Amazon.COM Inc.AMZN | 4.02% | 5.93% | 4.02% |
| Microsoft Corp.MSFT | 4.35% | 3.88% | 3.88% |
| Intel Corp.INTC | 3.04% | 1.72% | 1.72% |
| Cisco SystemsCSCO | 2.01% | 1.30% | 1.30% |
| Walmart Inc.WMT | 2.39% | 1.27% | 1.27% |
| Linde PLCLIN | 1.04% | 0.67% | 0.67% |
| Costco WholesaleCOST | 1.80% | 0.65% | 0.65% |
| META Platforms-aMETA | 2.62% | 0.63% | 0.63% |
| Qualcomm Inc.QCOM | 0.84% | 0.55% | 0.55% |
| Analog DevicesADI | 0.84% | 0.50% | 0.50% |
| Pepsico Inc.PEP | 0.80% | 0.46% | 0.46% |
| Gilead SciencesGILD | 0.68% | 0.44% | 0.44% |
| Vertex PharmVRTX | 0.55% | 0.35% | 0.35% |
| CSX Corp.CSX | 0.38% | 0.25% | 0.25% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: QQQ, SEC Form N-PORT, June 30, 2026; IWD, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | QQQ | IWD |
|---|---|---|
| Morgan Stanley | $15.6B | $9.9B |
| Bank of America Corp. | $12.5B | $10.8B |
| LPL Financial LLC | $7.8B | $980.1M |
| Goldman Sachs Group Inc. | $4.7B | $2.8B |
| Wells Fargo & Company | $5.3B | $1.4B |
| UBS Group AG | $4.2B | $1.5B |
| Ameriprise Financial Inc. | $2.8B | $2.1B |
| Raymond James Financial Inc. | $3.1B | $1.3B |
| Susquehanna International Group, LLP | $4.3B | $1.1M |
| JPMorgan Chase & Co | $2.1B | $2.1B |
| Envestnet Asset Management Inc. | $2.2B | $1.6B |
| Royal Bank of Canada | $3.1B | $530.3M |
| PNC Financial Services Group, Inc. | $2.1B | $826.9M |
| FMR LLC | $638.3M | $2.2B |
| Citigroup Inc. | $2.2B | $284.2M |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: QQQ institutional holders, IWD institutional holders.
Frequently asked questions
How much do QQQ and IWD overlap?
26.9% by weight, with 52 holdings in common, using holdings for QQQ as of June 30, 2026 and IWD as of June 30, 2026. The largest shared position is AAPL.
Do institutions hold both QQQ and IWD?
1,612 Form 13F filers report positions in both, out of 4,367 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.