Guardfolio Research · ETF Overlap
XLK vs VUG Overlap: 54.7% of Weight in Shared Holdings
XLK (Technology Select Sector SPDR) and VUG (Vanguard Growth) overlap by 54.7% of normalized weight through 41 shared securities, led by NVDA, AAPL, MSFT, AVGO, AMD. Here is which positions contribute most and what the result can and cannot say about diversification.
Overlap Summary
Bottom line
XLK and VUG overlap heavily: 54.7% of normalized fund weight is shared across 41 securities. Owning both repeats much of the same exposure, so treat the pair as closely related positions rather than assuming two fund labels create diversification..
The Data
Exactly which securities XLK and VUG share
The table below shows the largest contributors to overlap across the licensed full holdings, with each fund's normalized weight and the lesser weight that counts toward overlap.
| Data basis | Licensed full holdings |
|---|---|
| Fund dates | XLK 2026-08-24; VUG 2026-08-24 |
| Coverage gate | At least 97% retained per fund |
| Holding | XLK weight | VUG weight | Shared (min) |
|---|---|---|---|
| NVIDIA CORP (NVDA) | 14.22% | 12.82% | 12.82% |
| APPLE INC (AAPL) | 12.43% | 12.61% | 12.43% |
| MICROSOFT CORP (MSFT) | 9.82% | 9.60% | 9.60% |
| BROADCOM INC (AVGO) | 4.77% | 4.47% | 4.47% |
| ADVANCED MICRO DEVICES (AMD) | 4.02% | 2.17% | 2.17% |
| APPLIED MATERIALS INC (AMAT) | 2.61% | 1.13% | 1.13% |
| LAM RESEARCH CORP (LRCX) | 2.62% | 1.03% | 1.03% |
| PALO ALTO NETWORKS INC (PANW) | 1.94% | 0.77% | 0.77% |
| PALANTIR TECHNOLOGIES INC A (PLTR) | 2.76% | 0.76% | 0.76% |
| KLA CORP (KLAC) | 1.60% | 0.68% | 0.68% |
| ORACLE CORP (ORCL) | 1.66% | 0.63% | 0.63% |
| AMPHENOL CORP CL A (APH) | 1.29% | 0.57% | 0.57% |
| ARISTA NETWORKS INC (ANET) | 1.30% | 0.56% | 0.56% |
| SEAGATE TECHNOLOGY HOLDINGS (STX) | 1.27% | 0.55% | 0.55% |
| WESTERN DIGITAL CORP (WDC) | 1.06% | 0.53% | 0.53% |
| CROWDSTRIKE HOLDINGS INC A (CRWD) | 1.30% | 0.53% | 0.53% |
| INTEL CORP (INTC) | 2.97% | 0.52% | 0.52% |
| SANDISK CORP (SNDK) | 1.58% | 0.51% | 0.51% |
| MARVELL TECHNOLOGY INC (MRVL) | 1.39% | 0.48% | 0.48% |
| TEXAS INSTRUMENTS INC (TXN) | 1.61% | 0.36% | 0.36% |
| Total full-holdings overlap | 81.7% | 54.9% | 54.7% |
Showing the 20 largest contributors of 41 shared securities. The total uses every shared security.
The 54.7% figure uses all reported non-cash holdings and sums the lesser normalized weight for each shared security. XLK is dated 2026-08-24 with 99.934% retained coverage; VUG is dated 2026-08-24 with 99.926% retained coverage.
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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: 54.7% of normalized fund weight is shared across 41 securities. Owning both repeats much of the same exposure, so treat the pair as closely related positions rather than assuming two fund labels create diversification.
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 54.7% of normalized weight across their licensed full holdings. They share 41 securities; the largest contributors include NVDA, AAPL, MSFT, AVGO, AMD, AMAT, LRCX, PANW. The separately dated sector reference shows 51.0% overlap.
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), ADVANCED MICRO DEVICES (AMD), APPLIED MATERIALS INC (AMAT), LAM RESEARCH CORP (LRCX), PALO ALTO NETWORKS INC (PANW) among their top positions. These shared names account for the 54.7% weight overlap.
Is it worth holding both XLK and VUG?
XLK and VUG overlap heavily: 54.7% of normalized fund weight is shared across 41 securities. Owning both repeats much of the same exposure, so treat the pair as closely related positions rather than assuming two fund labels create diversification.
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). The dataset includes 73 XLK holdings as of 2026-08-24 and 147 VUG holdings as of 2026-08-24.
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