ATLAS

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 month56%
Likely 1-month range (50%)$121.66 – $127.83
Normal 1-day range (±1σ)±0.8%
Distribution yield1.26%

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

IssuerVanguard
ThemeUS mid caps
Assets under management$3.8B
Expense ratio0.10%
Number of holdings50
Portfolio turnover14%
InceptionSep 7, 2010
ExchangeNYSE

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

HoldingSectorWeight
Twilio Inc TWLOTechnology1.02%
Illumina Inc ILMNHealthcare0.90%
TechnipFMC PLC FTIEnergy0.87%
Everpure, Inc. PTechnology0.84%
Okta Inc OKTATechnology0.78%
Allegheny Technologies Incorporated ATIIndustrials0.80%
nVent Electric PLC NVTIndustrials0.66%
Carpenter Technology Corporation CRSIndustrials0.68%
US Foods Holding Corp USFDConsumer Defensive0.66%
Tenet Healthcare Corporation THCHealthcare0.62%

Holdings with an ATLAS page link to their probability range, fair value and earnings calendar.

IVOO sector breakdown

SectorWeight
Industrials22.4%
Technology16.8%
Financial Services13.9%
Healthcare10.9%
Consumer Cyclicals10.5%
Real Estate7.7%
Energy5.4%
Basic Materials4.9%
Consumer Defensive3.3%
Utilities2.8%
Communication Services1.5%

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

Educational information, not investment advice. Disclaimer

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