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ETF Overlap Tool: VGT vs VOO

Compare portfolio holdings overlap, tech concentration risk, and expense ratio differences between Vanguard Information Technology Index Fund ETF Shares (VGT) and Vanguard S&P 500 ETF (VOO).

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ETF Overlap Overview & Key Metrics
VGT (317 Total) VOO (503 Total) ONLY IN VGT 247 Stocks (53.6% Weight) MODERATE TECH OVERLAP 70 Shared Stocks (83.2%) 31.7% Weight Duplication ONLY IN VOO 433 Stocks (53.6% Weight)
Overlap by Weight
31.7%
⚡ Moderate Tech Overlap
Expense Ratio Gap
0.09% vs 0.03%
VOO is 3.0x cheaper than VGT
Unique Holdings
419 vs 433 Stocks
~0.0% Weight Difference
Sector Allocation Breakdown
Information Technology
99.15%
Financials
0.41%
Industrials
0.34%
Consumer Discretionary
0.08%
Materials
0.01%
Information Technology
37.43%
Financials
12.19%
Communication Services
9.91%
Consumer Discretionary
9.58%
Healthcare
9.1%
Industrials
8.16%
Consumer Staples
4.61%
Energy
3.36%
Utilities
2.15%
Real Estate
1.88%
Materials
1.62%

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Stock Holdings Breakdown (VGT vs VOO)

80 Assets
Asset Sector VGT Weight VOO Weight Combined (50/50) Status
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Showing 1 to 20 of 73 holdings

VGT vs VOO: Portfolio Overlap & Investment Strategy Guide

When evaluating Vanguard Information Technology Index Fund ETF Shares (VGT) versus Vanguard S&P 500 ETF (VOO), investors are comparing two distinct ETF strategies. VGT holds 317 total assets while VOO contains 503 total assets. Across both portfolios, they share 18 common stock holdings, representing a 31.7% portfolio overlap by weight.

Sector Concentration & Shared Stock Holdings

While both funds invest in equity markets, their internal sector allocations create meaningful differences in portfolio performance and volatility:

  • Primary Sector Focus: VGT concentrates its largest allocation in Information Technology (99.15%), whereas VOO allocates its highest weighting to Information Technology (37.43%).
  • Top Shared Holdings: Key overlapping stocks held in both funds include NVIDIA Corporation (NVDA), Apple Inc (AAPL), Microsoft Corporation (MSFT), Broadcom Inc (AVGO).
  • Holdings Distribution: VGT features 317 holdings compared to 503 holdings in VOO, affecting single-stock concentration risk.

Strategic Portfolio Insight: Moderate Overlap & Balanced Dual Exposure

Combining VGT and VOO creates a moderate portfolio overlap of 31.7% by weight. While they share 18 common holdings, each ETF offers distinct sector weightings and strategy tilts that can complement a broader asset allocation strategy.

Expense Ratio Comparison & Performance: VGT vs VOO

Beyond portfolio holdings overlap, fund management fees, dividend yields, and sector diversification play a vital role in long-term compounding returns:

1. Annual Management Fee Impact

VOO charges a lower expense ratio of 0.03% compared to VGT at 0.09%. VOO is 3.0x cheaper, saving long-term investors approximately $6 per year for every $100,000 invested.

2. Volatility, Risk & Long-Term Growth Potential

VGT and VOO react differently to changing interest rates, market cycles, and sector rotations. Diversifying across funds with different underlying indexes helps reduce portfolio drawdown risk during broader market corrections.

Snowball Portfolio Lab Insight

Want to analyze how combining VGT and VOO impacts your total portfolio yield, sector distribution, and historical dividend income? Model your custom asset allocation in the Snowball Analytics Portfolio Lab.

Frequently Asked Questions: VGT vs VOO ETF Overlap
What is the portfolio overlap percentage between VGT and VOO?
Vanguard Information Technology Index Fund ETF Shares (VGT) and Vanguard S&P 500 ETF (VOO) have a 31.7% overlap by weight and share 18 identical stock holdings. VGT holds 317 total assets while VOO holds 503 total assets.
What is the main difference between VGT and VOO?
The main difference between VGT and VOO lies in sector allocation, expense ratio, and portfolio breadth:
  • Sector Focus: VGT's largest sector is Information Technology (99.15%), whereas VOO's largest sector is Information Technology (37.43%).
  • Expense Ratio: VOO has an expense ratio of 0.03%, while VGT charges 0.09%. VOO is 3.0x cheaper than VGT.
  • Portfolio Breadth: VGT holds 317 total stocks vs VOO's 503 stocks.
Is it good to hold both VGT and VOO in the same portfolio?
Holding both VGT and VOO results in a 31.7% portfolio weight overlap across 18 common holdings. With a moderate weight overlap of 31.7%, holding both VGT and VOO can provide balanced dual exposure if you want to tilt toward specific sector weightings while maintaining broader market coverage.
Which ETF has lower management expense fees: VGT or VOO?
VOO has an expense ratio of 0.03%, while VGT charges 0.09%. VOO is 3.0x cheaper than VGT.
Which ETF is better for long-term investors: VGT or VOO?
The ideal choice depends on your investment strategy: VGT (0.09% expense ratio) provides exposure to Vanguard Information Technology Index Fund ETF Shares, while VOO (0.03% expense ratio) offers exposure to Vanguard S&P 500 ETF. Comparing sector concentration and historical volatility helps align your choice with long-term goals.
Do VGT and VOO pay dividends?
Yes, both VGT and VOO pay quarterly dividend distributions to shareholders derived from underlying dividend payments of portfolio companies.