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From S&P 500 ETF Fee Comparison Highlights Index Concentration

How could the concentration of mega-cap stocks in the S&P 500 affect VOO?

Possible What happens if… A possibility worth considering, not a forecast.

VOO's performance tied to mega-cap concentration in S&P 500 The Vanguard S&P 500 ETF (VOO) is designed to track the S&P 500 index, which is composed of large-capitalization U.S. equities. Specifically, Apple was noted as the second largest position, holding about 7% of the index's assets. This concentration means VOO's performance is heavily influenced by the market movements of these few mega-cap stocks, regardless of its low 0.03% fee structure.

Reported by 1 independent outlet Written Friday
Effect
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When
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The story
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How it reaches VOO

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The facts so far

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  • Apple was next to NVIDIA at about 7% of SPY’s assets, with the rest of the top ten being mega-cap stocks.247wallst.com
  • VOO charges 0.03%, while the State Street SPDR S&P 500 ETF Trust (SPY) charges 0.0945%.247wallst.com
  • VOO tracks an index composed of large-capitalization U.S. equities.247wallst.com

Why it matters

The concentration of mega-cap stocks in the S&P 500 means that VOO, as a passive tracker, is highly exposed to the performance of these few large companies. While VOO offers a low 0.03% fee, which is a competitive advantage over higher-fee funds like SPY, this low cost does not insulate investors from the structural risks inherent in a top-heavy index.

This concentration is a defining feature of the modern large-cap market. The reports note that all three major S&P 500 ETFs (SPY, VOO, IVV) follow the same component list and market-cap weights, meaning the risk profile associated with the index's heavy weighting in companies like Apple and Nvidia is shared across the market.

What we don't know yet

  • How will regulatory changes affect the concentration of mega-cap stocks in the S&P 500?
  • Will the index composition change significantly in the near future?

What would change this answer

A major mega-cap stock significantly reduces its market capitalization or is removed from the S&P 500.The index concentration would decrease, potentially diversifying VOO's underlying assets and altering its risk profile.
A large number of investors shift from low-cost index funds like VOO to actively managed funds.The demand for VOO could decrease, potentially impacting its liquidity or market sentiment.

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  • About Dividend Aristocrats

    If the S&P 500 is top-heavy with growth stocks, how might a portfolio focused on Dividend Aristocrats behave during periods of high mega-cap concentration?

    Explore Dividend Aristocrats

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The full eventS&P 500 ETF Fee Comparison Highlights Index Concentration Everything aboutVOO

Brind's analysis is written by AI from the reporting linked above and can be wrong. This explainer is a possibility worth considering, not a forecast: steps marked as Brind's reasoning are not stated in the reporting. It is not investment advice; do your own research.