Guardfolio Research · ETF Overlap
XLK vs VUG Overlap: 38.7% of Weight in Shared Holdings
XLK (Technology Select Sector SPDR) and VUG (Vanguard Growth) overlap by 38.7% of weight through 4 shared top-10 holdings — including NVDA, AAPL, MSFT, AVGO. Here is exactly which stocks duplicate, the sector picture, and whether holding both concentrates or diversifies your portfolio.
Overlap Summary
Bottom line
XLK and VUG overlap heavily — 38.7% of weight sits in the same 4 top-10 names. Owning both stacks the same mega-cap bets rather than spreading risk.
The Data
Exactly which stocks XLK and VUG share
The table below shows every holding that appears in both funds' top 10, with each fund's weight and the shared (minimum) weight that counts toward overlap.
| Holding | XLK weight | VUG weight | Shared (min) |
|---|---|---|---|
| NVIDIA Corp. (NVDA) | 15.11% | 13.33% | 13.33% |
| Apple Inc. (AAPL) | 12.17% | 11.53% | 11.53% |
| Microsoft Corp. (MSFT) | 8.65% | 8.76% | 8.65% |
| Broadcom Inc. (AVGO) | 5.56% | 5.20% | 5.20% |
| Total shared top-10 weight | 41.5% | 38.8% | 38.7% |
Weights are approximate, based on the most recent quarterly holdings. The 38.7% figure is the sum of the lesser of each fund's weight per shared holding (the conservative top-10 method).
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Sector Picture
XLK vs VUG: sector exposure side by side
Two funds can share few holdings yet still concentrate the same sectors. Here is how the top sectors compare (51.0% combined sector overlap).
| Sector | XLK | VUG |
|---|---|---|
| Technology | 100.0% | 50.5% |
| Consumer Discretionary | 0.0% | 14.3% |
| Communication Services | 0.0% | 10.7% |
| Financial Services | 0.0% | 6.6% |
| Healthcare | 0.0% | 5.5% |
| Industrials | 0.0% | 5.5% |
The Verdict
Should you hold both XLK and VUG?
XLK and VUG overlap heavily — 38.7% of weight sits in the same 4 top-10 names. Owning both stacks the same mega-cap bets rather than spreading risk. You are also paying two expense ratios for largely the same exposure. Treat this pair as one position, not two.
FAQ
XLK vs VUG overlap: common questions
How much do XLK and VUG overlap?
XLK (Technology Select Sector SPDR) and VUG (Vanguard Growth) overlap by approximately 38.7% of weight based on their top-10 holdings, with 51.0% sector overlap. They share 4 top-10 holdings: NVDA, AAPL, MSFT, AVGO.
What stocks do XLK and VUG both hold?
Both XLK and VUG hold NVIDIA Corp (NVDA), Apple Inc (AAPL), Microsoft Corp (MSFT), Broadcom Inc (AVGO) among their top positions. These shared names account for the 38.7% weight overlap.
Is it worth holding both XLK and VUG?
XLK and VUG overlap heavily — 38.7% of weight sits in the same 4 top-10 names. Owning both stacks the same mega-cap bets rather than spreading risk. You are also paying two expense ratios for largely the same exposure. Treat this pair as one position, not two.
What is the difference between XLK and VUG?
XLK is a technology-sector fund (US Sector – Technology, 0.09% expense ratio) and VUG is a large-cap growth fund (US Large-Cap Growth, 0.04% expense ratio). XLK's top 10 is 62.9% of the fund; VUG's is 64.8%.
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