CNDX vs VOO: how much do they overlap?
iShares Nasdaq 100 UCITS ETF (USD Acc) (CNDX) · Vanguard S&P 500 ETF (VOO)
CNDX and VOO overlap by 50.6% by portfolio weight. In practical terms, about 49.4% of the smaller-weighted exposure is different between the two funds. They share 85 stocks; the largest shared position is Nvidia Corp (NVDA), contributing 7.58% to the overlap.
overlap by weight · 85 shared holdings
CNDX: 103 holdings (as of 2026-08-04) · VOO: 504 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.
Moderate overlap
What this means
CNDX and VOO share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.
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 VOO |
|---|---|---|---|
| Nvidia Corp | NVDA | 8.08% | 7.58% |
| Apple Inc | AAPL | 7.15% | 6.66% |
| Microsoft | MSFT | 5.76% | 4.91% |
| Amazon.Com Inc | AMZN | 4.7% | 3.64% |
| Alphabet Class A | GOOGL | 3.46% | 2.99% |
| Broadcom Inc | AVGO | 3.12% | 2.62% |
| Alphabet Class C | GOOG | 3.22% | 2.4% |
| Meta Platforms Class A | META | 2.74% | 2.24% |
| Tesla Inc | TSLA | 2.57% | 1.87% |
| Walmart Inc | WMT | 2.37% | 0.97% |
FAQ
How much do CNDX and VOO overlap?
CNDX and VOO have a 50.6% overlap by weight, sharing 85 holdings (out of 103 in CNDX and 504 in VOO), based on official issuer holdings as of 2026-08-04.
What does 50.6% overlap mean?
CNDX and VOO share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.
Which stocks do CNDX and VOO 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.