VO vs XLI: how much do they overlap?
Vanguard Mid-Cap ETF (VO) · Industrial Select Sector SPDR ETF (XLI)
overlap by weight · 39 shared holdings
VO: 289 holdings (as of 2026-03-31) · XLI: 82 holdings (as of 09-Jul-2026)
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
VO and XLI 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 VO | in XLI |
|---|---|---|---|
| Vertiv Holdings Co | VRT | 1.03% | 2.21% |
| Howmet Aerospace Inc | HWM | 1.01% | 1.95% |
| Quanta Services Inc | PWR | 0.89% | 1.78% |
| Cummins Inc | CMI | 0.81% | 1.65% |
| TransDigm Group Inc | TDG | 0.71% | 1.29% |
| L3Harris Technologies Inc | LHX | 0.7% | 0.96% |
| PACCAR Inc | PCAR | 0.66% | 1.15% |
| Fastenal Co | FAST | 0.58% | 0.94% |
| WW Grainger Inc | GWW | 0.53% | 1.05% |
| AMETEK Inc | AME | 0.53% | 0.95% |
FAQ
How much do VO and XLI overlap?
VO and XLI have a 16.4% overlap by weight, sharing 39 holdings (out of 289 in VO and 82 in XLI), based on official issuer holdings as of 2026-03-31.
What does 16.4% overlap mean?
VO and XLI hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do VO and XLI both hold?
The largest shared positions are Vertiv Holdings Co, Howmet Aerospace Inc, Quanta Services Inc, Cummins Inc, TransDigm Group Inc. The full list of top shared holdings with weights in each fund is shown on this page.