CNDX vs QQQ ETF holdings comparison
iShares Nasdaq 100 UCITS ETF (USD Acc) (CNDX) · Invesco QQQ Trust (QQQ)
CNDX and QQQ overlap by 89.5% by portfolio weight. The remaining 10.5 percentage points are not counted as shared holdings weight by this calculation. They share 98 stocks; the largest shared position is Nvidia (NVDA), contributing 7.60% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
CNDX and QQQ share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold. It answers "how much of my money is in the same stocks either way?" See methodology.
This comparison covers normalized equity positions represented in the dataset. Cash, derivatives, options, structured notes, and other non-equity assets are not included, so the result is not a complete comparison of every asset or risk in either fund.
Top shared holdings
| Company | Ticker | in CNDX | in QQQ |
|---|---|---|---|
| Nvidia | NVDA | 8.48% | 7.60% |
| Apple | AAPL | 7.39% | 6.67% |
| Micron Technology | MU | 4.74% | 5.64% |
| Microsoft | MSFT | 5.98% | 4.35% |
| Amazon.Com Inc | AMZN | 4.44% | 4.02% |
| Advanced Micro Devices | AMD | 3.36% | 4.10% |
| Alphabet Class A | GOOGL | 3.14% | 3.27% |
| Tesla Inc | TSLA | 2.92% | 3.30% |
| Alphabet Class C | GOOG | 2.91% | 3.02% |
| Broadcom Inc | AVGO | 2.79% | 2.81% |
Holdings only in CNDX or QQQ
CNDX has 4 fund-only positions representing approximately 2.5 percentage points of reported exposure; QQQ has 4 fund-only positions representing approximately 1.9 percentage points of reported exposure. These are positions whose normalized security identifiers appear in one issuer file but not the other.
Largest positions only in CNDX
| Company | Ticker | Weight |
|---|---|---|
| Space Exploration Technologies Cor | SPCX | 1.21% |
| Asml Holding Adr Representing | ASML | 0.68% |
| Arm Holdings American Depositary S | ARM | 0.45% |
| Nebius Nv Class A | NBIS | 0.20% |
Largest positions only in QQQ
| Company | Ticker | Weight |
|---|---|---|
| ASML Holding N.V. | ASML | 0.79% |
| ARM Holdings PLC | ARM | 0.65% |
| Nebius Group N.V. | NBIS | 0.26% |
| Electronic Arts Inc. | EA | 0.22% |
FAQ
How much do CNDX and QQQ overlap?
CNDX and QQQ have 89.5% overlap by weight, sharing 98 equity positions (out of 102 in CNDX and 102 in QQQ). The official holdings files used are dated 2026-08-31 for CNDX and 2026-06-30 for QQQ.
What does 89.5% overlap mean?
CNDX and QQQ share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Which stocks do CNDX and QQQ both hold?
The largest shared positions are Nvidia, Apple, Micron Technology, Microsoft, Amazon.Com Inc. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between CNDX and QQQ?
CNDX has 4 positions not found in QQQ, while QQQ has 4 positions not found in CNDX. The largest fund-only positions and their weights are shown on this page.
Related comparisons
One side of this pair is a UCITS ETF. How share classes and listings map to one fund, and which popular UCITS combinations repeat the same US mega-caps, is covered in ETF overlap for European investors.