SPY vs XLU: how much do they overlap?
SPDR S&P 500 ETF Trust (SPY) · Utilities Select Sector SPDR ETF (XLU)
overlap by weight · 31 shared holdings
SPY: 504 holdings (as of 09-Jul-2026) · XLU: 32 holdings (as of 09-Jul-2026)
Low overlap
What this means
SPY and XLU 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 SPY | in XLU |
|---|---|---|---|
| Nextera Energy Inc | NEE | 0.28% | 12.85% |
| Southern Co/The | SO | 0.17% | 7.59% |
| Duke Energy Corp | DUK | 0.15% | 6.91% |
| Constellation Energy | CEG | 0.12% | 5.67% |
| American Electric Power | AEP | 0.11% | 5.15% |
| Sempra | SRE | 0.1% | 4.38% |
| Dominion Energy Inc | D | 0.09% | 4.32% |
| Entergy Corp | ETR | 0.08% | 3.69% |
| Vistra Corp | VST | 0.08% | 3.54% |
| Xcel Energy Inc | XEL | 0.08% | 3.49% |
FAQ
How much do SPY and XLU overlap?
SPY and XLU have a 2.2% overlap by weight, sharing 31 holdings (out of 504 in SPY and 32 in XLU), based on official issuer holdings as of 09-Jul-2026.
What does 2.2% overlap mean?
SPY and XLU hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do SPY and XLU both hold?
The largest shared positions are Nextera Energy Inc, Southern Co/The, Duke Energy Corp, Constellation Energy, American Electric Power. The full list of top shared holdings with weights in each fund is shown on this page.