XBI vs XLV: how much do they overlap?
SPDR S&P Biotech ETF (XBI) · Health Care Select Sector SPDR ETF (XLV)
overlap by weight · 8 shared holdings
XBI: 149 holdings (as of 09-Jul-2026) · XLV: 61 holdings (as of 09-Jul-2026)
Low overlap
What this means
XBI and XLV 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 XLV |
|---|---|---|---|
| Vertex Pharmaceuticals Inc | VRTX | 1.02% | 2.15% |
| Abbvie Inc | ABBV | 0.99% | 7.53% |
| Regeneron Pharmaceuticals | REGN | 0.99% | 1.14% |
| Gilead Sciences Inc | GILD | 0.99% | 2.85% |
| Amgen Inc | AMGN | 0.96% | 3.35% |
| Biogen Inc | BIIB | 0.91% | 0.5% |
| Moderna Inc | MRNA | 1.49% | 0.46% |
| Incyte Corp | INCY | 1% | 0.34% |
FAQ
How much do XBI and XLV overlap?
XBI and XLV have a 6.3% overlap by weight, sharing 8 holdings (out of 149 in XBI and 61 in XLV), based on official issuer holdings as of 09-Jul-2026.
What does 6.3% overlap mean?
XBI and XLV hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do XBI and XLV both hold?
The largest shared positions are Vertex Pharmaceuticals Inc, Abbvie Inc, Regeneron Pharmaceuticals, Gilead Sciences Inc, Amgen Inc. The full list of top shared holdings with weights in each fund is shown on this page.