MDY vs VO: holdings overlap, shared companies and scores
As of October 28, 2026, MDY and VO overlap 0.2% by weight. State Street SPDR S&P MIDCAP 400 ETF Trust (MDY): U.S. mid-cap stocks. Vanguard Morningstar Mid-Cap ETF (VO): U.S. mid-cap stocks.
Updated October 28, 2026
Where MDY and VO trade against their own history
MDY trades at 20.2 times earnings, against its own median of 18.9, and is more expensive than 65% of its own last 9 years.
VO trades at 21.6 times earnings, against its own median of 21.6, and is more expensive than 50% of its own last 9 years.
What do MDY and VO each hold?
What's inside MDY: Tech 16%, Semiconductors 4%.
7% of MDY is its ten largest holdings.
What's inside VO: Tech 18%, AI 3%.
10% of VO is its ten largest holdings.
How much do MDY and VO overlap? 0.2% by weight
As of October 28, 2026, MDY and VO overlap 0.2% by weight.
0% of MDY is already inside VO.
1% of VO is already inside MDY.
MDY holds 397 companies and VO holds 274; 1 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 MDY and VO? 4.4 and 5.1 out of 10
As of October 28, 2026, ETF Copilot scores MDY 4.4 out of 10 and VO 5.1 out of 10.
They differ most on Risk: MDY 5.3 and VO 6.2.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | MDY | VO |
|---|---|---|
| Growth | 5.0 | 5.4 |
| Value | 4.9 | 5.7 |
| Risk | 5.3 | 6.2 |
| Quality | 2.4 | 3.3 |
| Return | 4.2 | 4.9 |
VO is the cheaper of the two at 0.03% a year
As of October 28, 2026, MDY charges 0.23% a year, yields 1.05% and holds $25.9B in assets across 397 positions.
As of October 28, 2026, VO charges 0.03% a year, yields 1.36% and holds $216.8B in assets across 274 positions.
| Measure | MDY | VO |
|---|---|---|
| Expense ratio | 0.23% | 0.03% |
| Dividend yield | 1.05% | 1.36% |
| Assets under management | $25.9B | $216.8B |
| Holdings | 397 | 274 |
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, “MDY vs VO holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/mdy-vs-vo
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