VOO vs XLK: how much do they overlap?
Vanguard S&P 500 ETF (VOO) · Technology Select Sector SPDR ETF (XLK)
overlap by weight · 72 shared holdings
VOO: 504 holdings (as of 2026-03-31) · XLK: 74 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.
Moderate overlap
What this means
VOO and XLK share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.
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 VOO | in XLK |
|---|---|---|---|
| NVIDIA Corp | NVDA | 7.58% | 13.18% |
| Apple Inc | AAPL | 6.66% | 12.47% |
| Microsoft Corp | MSFT | 4.91% | 7.66% |
| Broadcom Inc | AVGO | 2.62% | 5.1% |
| Micron Technology Inc | MU | 0.68% | 4.13% |
| Palantir Technologies Inc | PLTR | 0.6% | 1.94% |
| Advanced Micro Devices Inc | AMD | 0.59% | 4.56% |
| Cisco Systems Inc | CSCO | 0.55% | 3.06% |
| Applied Materials Inc | AMAT | 0.48% | 3.06% |
| Lam Research Corp | LRCX | 0.48% | 2.89% |
FAQ
How much do VOO and XLK overlap?
VOO and XLK have a 32.9% overlap by weight, sharing 72 holdings (out of 504 in VOO and 74 in XLK), based on official issuer holdings as of 2026-03-31.
What does 32.9% overlap mean?
VOO and XLK share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.
Which stocks do VOO and XLK both hold?
The largest shared positions are NVIDIA Corp, Apple Inc, Microsoft Corp, Broadcom Inc, Micron Technology Inc. The full list of top shared holdings with weights in each fund is shown on this page.