IVOO vs MVV: holdings overlap, shared companies and scores
As of September 11, 2026, IVOO and MVV overlap 92.8% by weight. Vanguard S&P Mid-Cap 400 ETF (IVOO): S&P MidCap 400 index. ProShares - Ultra MidCap400 (MVV): S&P MidCap 400 double leveraged.
Updated September 11, 2026
How much do IVOO and MVV overlap?
As of September 11, 2026, IVOO and MVV overlap 92.8% by weight.
99% of IVOO is already inside MVV.
96% of MVV is already inside IVOO.
IVOO holds 401 companies and MVV holds 401; 399 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 IVOO and MVV?
As of September 11, 2026, ETF Copilot scores IVOO 4.6 out of 10 and MVV 4.1 out of 10.
They differ most on Risk: IVOO 4.9 and MVV 0.4.
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 | IVOO | MVV |
|---|---|---|
| Growth | 6.0 | 6.1 |
| Valuation | 5.3 | 5.3 |
| Risk | 4.9 | 0.4 |
| Quality | 1.9 | 1.9 |
| Return | 4.3 | 5.4 |
IVOO is the cheaper of the two at 0.07% a year
As of September 11, 2026, IVOO charges 0.07% a year, yields 1.27% and holds $5.8B in assets across 401 positions.
As of September 11, 2026, MVV charges 1.01% a year, yields 1.28% and holds $148M in assets across 401 positions.
| Measure | IVOO | MVV |
|---|---|---|
| Expense ratio | 0.07% | 1.01% |
| Dividend yield | 1.27% | 1.28% |
| Assets under management | $5.8B | $148M |
| Holdings | 401 | 401 |
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 IVOO trades against its own history
IVOO trades at 20.1 times earnings, against its own median of 18.7, and is more expensive than 70% of its own 114 monthly readings since 2017.
What moved IVOO this week
IVOO fell 1.7% in the week to September 11, 2026. The holdings that moved it most were Guidewire Software (−30.5%), Illumina (−6.9%) and US Foods (−8.7%); Roivant Sciences (+18.6%) pushed the other way.
What do IVOO and MVV each hold?
What's inside IVOO: Tech 15%, Semiconductors 4%.
7% of IVOO is its ten largest holdings.
What's inside MVV: Tech 15%, Semiconductors 4%.
11% of MVV is its ten largest holdings.
Cite this
ETF Copilot, “IVOO vs MVV holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/ivoo-vs-mvv
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