ETF Copilot

SPY vs VOO: holdings overlap, shared companies and scores

As of October 28, 2026, SPY and VOO overlap 96.2% by weight. State Street SPDR S&P 500 ETF (SPY): S&P 500 index exposure. Vanguard S&P 500 ETF (VOO): S&P 500 index.

Updated October 28, 2026

Where SPY and VOO trade against their own history

SPY trades at 24.8 times earnings, against its own median of 22.8, and is more expensive than 62% of its own last 9 years.

VOO trades at 24.7 times earnings, against its own median of 22.6, and is more expensive than 63% of its own last 9 years.

What do SPY and VOO each hold?

What's inside SPY: Tech 44%, Magnificent 7 34%.

38% of SPY is its ten largest holdings.

What's inside VOO: Tech 46%, Magnificent 7 35%.

39% of VOO is its ten largest holdings.

How much do SPY and VOO overlap? 96.2% by weight

As of October 28, 2026, SPY and VOO overlap 96.2% by weight.

100% of SPY is already inside VOO.

100% of VOO is already inside SPY.

SPY holds 504 companies and VOO holds 504; 501 are in both.

Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.

How does ETF Copilot score SPY and VOO? 7.1 and 7.2 out of 10

As of October 28, 2026, ETF Copilot scores SPY 7.1 out of 10 and VOO 7.2 out of 10.

They differ most on Growth: SPY 7.8 and VOO 8.2.

The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.

SPY vs VOO — ETF Copilot factor scores, 0–10
FactorSPYVOO
Growth7.88.2
Value3.53.3
Risk6.96.9
Quality8.78.9
Return8.08.1

VOO is the cheaper of the two at 0.03% a year

As of October 28, 2026, SPY charges 0.09% a year, yields 0.98% and holds $814.8B in assets across 504 positions.

As of October 28, 2026, VOO charges 0.03% a year, yields 1.05% and holds $1.7T in assets across 504 positions.

SPY vs VOO — cost, income and size
MeasureSPYVOO
Expense ratio0.09%0.03%
Dividend yield0.98%1.05%
Assets under management$814.8B$1.7T
Holdings504504

Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.

Compare with similar funds

Cite this

ETF Copilot, “SPY vs VOO holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/spy-vs-voo

  1. State Street SPDR S&P 500 ETF (SPY)
  2. Vanguard S&P 500 ETF (VOO)

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