CNDX vs MDY: how much do they overlap?
iShares Nasdaq 100 UCITS ETF (USD Acc) (CNDX) · SPDR S&P MIDCAP 400 ETF Trust (MDY)
CNDX and MDY overlap by 0% by portfolio weight. In practical terms, about 100.0% of the smaller-weighted exposure is different between the two funds. They share 0 stocks;
overlap by weight · 0 shared holdings
CNDX: 103 holdings (as of 2026-08-04) · MDY: 400 holdings (as of 2026-08-05)
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 2026-08-05.
Note: the two funds' latest official filings have different dates, which can understate overlap slightly for funds tracking similar indexes.
Low overlap
What this means
CNDX and MDY hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
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 MDY |
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FAQ
How much do CNDX and MDY overlap?
CNDX and MDY have a 0% overlap by weight, sharing 0 holdings (out of 103 in CNDX and 400 in MDY), based on official issuer holdings as of 2026-08-04.
What does 0% overlap mean?
CNDX and MDY hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do CNDX and MDY both hold?
The largest shared positions are . The full list of top shared holdings with weights in each fund is shown on this page.