XBI vs XSD: how much do they overlap?
SPDR S&P Biotech ETF (XBI) · SPDR S&P Semiconductor ETF (XSD)
overlap by weight · 0 shared holdings
XBI: 149 holdings (as of 09-Jul-2026) · XSD: 47 holdings (as of 09-Jul-2026)
Low overlap
What this means
XBI and XSD 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 XBI | in XSD |
|---|
FAQ
How much do XBI and XSD overlap?
XBI and XSD have a 0% overlap by weight, sharing 0 holdings (out of 149 in XBI and 47 in XSD), based on official issuer holdings as of 09-Jul-2026.
What does 0% overlap mean?
XBI and XSD hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do XBI and XSD both hold?
The largest shared positions are . The full list of top shared holdings with weights in each fund is shown on this page.