CNDX vs QQQ: how much do they overlap?
iShares Nasdaq 100 UCITS ETF (USD Acc) (CNDX) · Invesco QQQ Trust (QQQ)
CNDX and QQQ overlap by 85.6% by portfolio weight. In practical terms, about 14.4% of the smaller-weighted exposure is different between the two funds. They share 90 stocks; the largest shared position is Nvidia Corp (NVDA), contributing 8.08% to the overlap.
overlap by weight · 90 shared holdings
CNDX: 103 holdings (as of 2026-08-04) · QQQ: 101 holdings (as of 2026-03-31)
Holdings dates reflect the latest official files available for each issuer. Some issuers publish daily files; others are represented by periodic SEC filings. Analysis template updated 2026-08-04.
Note: the two funds' latest official filings have different dates, which can understate overlap slightly for funds tracking similar indexes.
High overlap
What this means
CNDX and QQQ are largely the same portfolio. Holding both adds little diversification — most dollars end up in the same underlying stocks.
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.
Top shared holdings
| Company | Ticker | in CNDX | in QQQ |
|---|---|---|---|
| Nvidia Corp | NVDA | 8.08% | 8.68% |
| Apple Inc | AAPL | 7.15% | 7.63% |
| Microsoft | MSFT | 5.76% | 5.63% |
| Amazon.Com Inc | AMZN | 4.7% | 4.58% |
| Alphabet Class A | GOOGL | 3.46% | 3.43% |
| Alphabet Class C | GOOG | 3.22% | 3.2% |
| Broadcom Inc | AVGO | 3.12% | 3.01% |
| Meta Platforms Class A | META | 2.74% | 3.46% |
| Tesla Inc | TSLA | 2.57% | 3.8% |
| Walmart Inc | WMT | 2.37% | 3.43% |
FAQ
How much do CNDX and QQQ overlap?
CNDX and QQQ have a 85.6% overlap by weight, sharing 90 holdings (out of 103 in CNDX and 101 in QQQ), based on official issuer holdings as of 2026-08-04.
What does 85.6% overlap mean?
CNDX and QQQ are largely the same portfolio. Holding both adds little diversification — most dollars end up in the same underlying stocks.
Which stocks do CNDX and QQQ both hold?
The largest shared positions are Nvidia Corp, Apple Inc, Microsoft, Amazon.Com Inc, Alphabet Class A. The full list of top shared holdings with weights in each fund is shown on this page.