Vanguard S&P Mid-Cap 400 Index Fund ETF Shares (IVOO): outlook, holdings and fees
Vanguard S&P Mid-Cap 400 Index Fund ETF Shares (IVOO) is an exchange-traded fund and is managed by Vanguard. The expense ratio is 0.10% and the yield is 1.26%. The ten largest holdings are 8% of the fund.
Fund data as of Oct 14, 2026 · Price Nov 2, 2026
ATLAS view on IVOO
| Last price | $124.09 (-1.2%) |
|---|---|
| ATLAS chance of a higher price in 1 month | 56% |
| Likely 1-month range (50%) | $121.66 – $127.83 |
| Normal 1-day range (±1σ) | ±0.8% |
| Distribution yield | 1.26% |
ATLAS probabilities use the same calibrated model as every stock page. A fair value is shown for companies, not funds; the holdings below link to the fair value of each company.
IVOO fund facts
| Issuer | Vanguard |
|---|---|
| Theme | US mid caps |
| Assets under management | $3.8B |
| Expense ratio | 0.10% |
| Number of holdings | 50 |
| Portfolio turnover | 14% |
| Inception | Sep 7, 2010 |
| Exchange | NYSE |
The target index measures the performance of mid-size companies in the United States. Under normal circumstances, the fund invests at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in the stocks that make up the target index.
IVOO top holdings
| Holding | Sector | Weight |
|---|---|---|
| Twilio Inc TWLO | Technology | 1.02% |
| Illumina Inc ILMN | Healthcare | 0.90% |
| TechnipFMC PLC FTI | Energy | 0.87% |
| Everpure, Inc. P | Technology | 0.84% |
| Okta Inc OKTA | Technology | 0.78% |
| Allegheny Technologies Incorporated ATI | Industrials | 0.80% |
| nVent Electric PLC NVT | Industrials | 0.66% |
| Carpenter Technology Corporation CRS | Industrials | 0.68% |
| US Foods Holding Corp USFD | Consumer Defensive | 0.66% |
| Tenet Healthcare Corporation THC | Healthcare | 0.62% |
Holdings with an ATLAS page link to their probability range, fair value and earnings calendar.
IVOO sector breakdown
| Sector | Weight |
|---|---|
| Industrials | 22.4% |
| Technology | 16.8% |
| Financial Services | 13.9% |
| Healthcare | 10.9% |
| Consumer Cyclicals | 10.5% |
| Real Estate | 7.7% |
| Energy | 5.4% |
| Basic Materials | 4.9% |
| Consumer Defensive | 3.3% |
| Utilities | 2.8% |
| Communication Services | 1.5% |
By region: North America 98.2%, United Kingdom 1.2%, Europe Developed 0.3%, Asia Emerging 0.2%, Latin America 0.2%.
IVOO returns and risk
| Year to date | +12.7% |
|---|---|
| 1 year | +14.3% |
| 3 years (annualised) | +15.9% |
| 5 years (annualised) | +8.0% |
| 10 years (annualised) | +10.9% |
| Volatility (3 years) | 15.0% |
| Sharpe ratio (3 years) | 0.67 |
Past returns do not guarantee future results.
IVOO: frequently asked questions
What does IVOO invest in?
Vanguard S&P Mid-Cap 400 Index Fund ETF Shares invests in a portfolio of securities. Its largest holdings are Twilio Inc (1.0%), Illumina Inc (0.9%), TechnipFMC PLC (0.9%), Everpure, Inc. (0.8%), Okta Inc (0.8%).
What is the IVOO expense ratio?
0.10% a year: about $10.00 for every $10,000 invested.
What is the IVOO dividend yield?
1.26%. ATLAS does not hold the exact distribution dates for ETFs.
Will IVOO go up?
Nobody can know. The ATLAS model puts the chance of a higher price in one month at 56%, with a likely range (50%) of $121.66 to $127.83 from $124.09 today. It is a probability, not a prediction.
How has IVOO performed?
Year to date +12.7%, one year +14.3%, three years +15.9% a year, five years +8.0% a year. Past returns do not guarantee future results.
Similar ETFs: US mid caps
- iShares Core S&P Mid-Cap ETF (IJH)
- Vanguard Mid-Cap Index Fund ETF Shares (VO)
- iShares Russell Mid-Cap ETF (IWR)
- Vanguard Morningstar Mid-Cap Value ETF (VOE)
- iShares Russell Mid-Cap Growth ETF (IWP)
- Vanguard Mid-Cap Growth ETF (VOT)
- State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD)
- iShares Russell Mid-Cap Value ETF (IWS)
Educational information, not investment advice. Disclaimer