SPY vs VOO: holdings overlap, shared companies and scores
As of September 11, 2026, SPY and VOO overlap 96.3% 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 September 11, 2026
How much do SPY and VOO overlap?
As of September 11, 2026, SPY and VOO overlap 96.3% by weight.
100% of SPY is already inside VOO.
100% of VOO is already inside SPY.
SPY holds 501 companies and VOO holds 504; 499 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?
As of September 11, 2026, ETF Copilot scores SPY 5.3 out of 10 and VOO 5.6 out of 10.
They differ most on Risk: SPY 5.0 and VOO 7.5.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | SPY | VOO |
|---|---|---|
| Growth | 2.7 | 2.5 |
| Valuation | 2.2 | 2.2 |
| Risk | 5.0 | 7.5 |
| Quality | 8.8 | 8.7 |
| Return | 7.8 | 7.8 |
VOO is the cheaper of the two at 0.03% a year
As of September 11, 2026, SPY charges 0.09% a year, yields 1.11% and holds $806.1B in assets across 501 positions.
As of September 11, 2026, VOO charges 0.03% a year, yields 1.12% and holds $1.7T in assets across 504 positions.
| Measure | SPY | VOO |
|---|---|---|
| Expense ratio | 0.09% | 0.03% |
| Dividend yield | 1.11% | 1.12% |
| Assets under management | $806.1B | $1.7T |
| Holdings | 501 | 504 |
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.
Where SPY and VOO trade against their own history
SPY trades at 25.4 times earnings, against its own median of 21.6, and is more expensive than 84% of its own 114 monthly readings since 2017.
VOO trades at 25.2 times earnings, against its own median of 21.5, and is more expensive than 84% of its own 114 monthly readings since 2017.
What moved SPY and VOO this week
SPY fell 1.1% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
VOO fell 1.1% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
What do SPY and VOO each hold?
What's inside SPY: Tech 46%, Magnificent 7 34%.
38% of SPY is its ten largest holdings.
What's inside VOO: Tech 45%, Magnificent 7 33%.
38% of VOO is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “SPY vs VOO holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/spy-vs-voo
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