Guardfolio Research · ETF Overlap
VGT vs QQQ Overlap: 52.1% of Weight in Shared Holdings
VGT (Vanguard Information Technology) and QQQ (Invesco QQQ) overlap by 52.1% of normalized weight through 38 shared securities, led by NVDA, AAPL, MSFT, MU, AMD. Here is which positions contribute most and what the result can and cannot say about diversification.
Overlap Summary
Bottom line
VGT and QQQ overlap heavily: 52.1% of normalized fund weight is shared across 38 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 VGT and QQQ 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 | VGT 2026-08-24; QQQ 2026-08-24 |
| Coverage gate | At least 97% retained per fund |
| Holding | VGT weight | QQQ weight | Shared (min) |
|---|---|---|---|
| NVIDIA Corp (NVDA) | 17.17% | 8.32% | 8.32% |
| Apple Inc (AAPL) | 16.26% | 7.28% | 7.28% |
| Microsoft Corp (MSFT) | 10.97% | 5.75% | 5.75% |
| Micron Technology Inc (MU) | 3.82% | 4.82% | 3.82% |
| Advanced Micro Devices Inc (AMD) | 3.18% | 3.41% | 3.18% |
| Broadcom Inc (AVGO) | 4.21% | 2.80% | 2.80% |
| Cisco Systems Inc (CSCO) | 1.91% | 1.93% | 1.91% |
| Applied Materials Inc (AMAT) | 1.69% | 1.73% | 1.69% |
| Intel Corp (INTC) | 1.65% | 2.00% | 1.65% |
| Lam Research Corp (LRCX) | 1.54% | 1.74% | 1.54% |
| Palo Alto Networks Inc (PANW) | 1.16% | 1.29% | 1.16% |
| Palantir Technologies Inc (PLTR) | 1.14% | 1.83% | 1.14% |
| Texas Instruments Inc (TXN) | 1.07% | 1.06% | 1.06% |
| KLA Corp (KLAC) | 1.02% | 1.06% | 1.02% |
| Crowdstrike Holdings Inc (CRWD) | 0.83% | 0.86% | 0.83% |
| Seagate Technology Holdings PLC (STX) | 0.82% | 0.84% | 0.82% |
| Analog Devices Inc (ADI) | 0.77% | 0.80% | 0.77% |
| Sandisk Corp (SNDK) | 0.75% | 1.05% | 0.75% |
| Marvell Technology Inc (MRVL) | 0.70% | 0.92% | 0.70% |
| Western Digital Corp (WDC) | 0.83% | 0.70% | 0.70% |
| Total full-holdings overlap | 77.0% | 55.9% | 52.1% |
Showing the 20 largest contributors of 38 shared securities. The total uses every shared security.
The 52.1% figure uses all reported non-cash holdings and sums the lesser normalized weight for each shared security. VGT is dated 2026-08-24 with 99.963% retained coverage; QQQ is dated 2026-08-24 with 99.986% retained coverage.
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Sector Picture
VGT vs QQQ: sector exposure side by side
Two funds can share few holdings yet still concentrate the same sectors. Here is how the top sectors compare (54.0% combined sector overlap).
| Sector | VGT | QQQ |
|---|---|---|
| Technology | 100.0% | 53.6% |
| Consumer Discretionary | 0.0% | 13.0% |
| Communication Services | 0.0% | 12.6% |
| Consumer Staples | 0.0% | 5.0% |
| Industrials | 0.0% | 4.6% |
| Healthcare | 0.0% | 4.3% |
The Verdict
Should you hold both VGT and QQQ?
VGT and QQQ overlap heavily: 52.1% of normalized fund weight is shared across 38 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
VGT vs QQQ overlap: common questions
How much do VGT and QQQ overlap?
VGT (Vanguard Information Technology) and QQQ (Invesco QQQ) overlap by approximately 52.1% of normalized weight across their licensed full holdings. They share 38 securities; the largest contributors include NVDA, AAPL, MSFT, MU, AMD, AVGO, CSCO, AMAT. The separately dated sector reference shows 54.0% overlap.
What stocks do VGT and QQQ both hold?
Both VGT and QQQ hold NVIDIA Corp (NVDA), Apple Inc (AAPL), Microsoft Corp (MSFT), Micron Technology Inc (MU), Advanced Micro Devices Inc (AMD), Broadcom Inc (AVGO), Cisco Systems Inc (CSCO), Applied Materials Inc (AMAT) among their top positions. These shared names account for the 52.1% weight overlap.
Is it worth holding both VGT and QQQ?
VGT and QQQ overlap heavily: 52.1% of normalized fund weight is shared across 38 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 VGT and QQQ?
VGT is a technology-sector fund (US Sector – Technology, 0.10% expense ratio) and QQQ is a large-cap growth fund (US Large-Cap Growth (Nasdaq-100), 0.20% expense ratio). The dataset includes 320 VGT holdings as of 2026-08-24 and 104 QQQ holdings as of 2026-08-24.
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