CNDX vs VOO ETF holdings comparison
iShares Nasdaq 100 UCITS ETF (USD Acc) (CNDX) · Vanguard S&P 500 ETF (VOO)
CNDX and VOO overlap by 54.3% by portfolio weight. The remaining 45.7 percentage points are not counted as shared holdings weight by this calculation. They share 87 stocks; the largest shared position is Nvidia (NVDA), contributing 7.51% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
CNDX and VOO share a material portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "moderate 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 VOO |
|---|---|---|---|
| Nvidia | NVDA | 8.48% | 7.51% |
| Apple | AAPL | 7.39% | 6.59% |
| Microsoft | MSFT | 5.98% | 4.30% |
| Amazon.Com Inc | AMZN | 4.44% | 3.62% |
| Alphabet Class A | GOOGL | 3.14% | 3.25% |
| Broadcom Inc | AVGO | 2.79% | 2.77% |
| Alphabet Class C | GOOG | 2.91% | 2.59% |
| Micron Technology | MU | 4.74% | 2.02% |
| Meta Platforms Class A | META | 2.69% | 1.92% |
| Tesla Inc | TSLA | 2.92% | 1.84% |
Holdings only in CNDX or VOO
CNDX has 15 fund-only positions representing approximately 5.5 percentage points of reported exposure; VOO has 417 fund-only positions representing approximately 45.3 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% |
| Shopify Subordinate Voting Class A | SHOP | 0.79% |
| Asml Holding Adr Representing | ASML | 0.68% |
| Arm Holdings American Depositary S | ARM | 0.45% |
| Mercadolibre | MELI | 0.43% |
| Pdd Holdings Ads | PDD | 0.25% |
| Astera Labs | ALAB | 0.22% |
| Coca Cola Europacific Partners Plc | CCEP | 0.21% |
| Strategy Inc Class A | MSTR | 0.20% |
| Nebius Nv Class A | NBIS | 0.20% |
Largest positions only in VOO
| Company | Ticker | Weight |
|---|---|---|
| Eli Lilly & Co | LLY | 1.47% |
| Berkshire Hathaway Inc | BRK.B | 1.42% |
| JPMorgan Chase & Co | JPM | 1.26% |
| Johnson & Johnson | JNJ | 0.95% |
| Exxon Mobil Corp | XOM | 0.88% |
| Visa Inc | V | 0.87% |
| Caterpillar Inc | CAT | 0.76% |
| AbbVie Inc | ABBV | 0.69% |
| Mastercard Inc | MA | 0.64% |
| General Electric Co | GE | 0.60% |
FAQ
How much do CNDX and VOO overlap?
CNDX and VOO have 54.3% overlap by weight, sharing 87 equity positions (out of 102 in CNDX and 504 in VOO). The official holdings files used are dated 2026-08-31 for CNDX and 2026-06-30 for VOO.
What does 54.3% overlap mean?
CNDX and VOO share a material portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "moderate 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 VOO both hold?
The largest shared positions are Nvidia, Apple, Microsoft, Amazon.Com Inc, Alphabet Class A. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between CNDX and VOO?
CNDX has 15 positions not found in VOO, while VOO has 417 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.