Vanguard Morningstar Mid-Cap ETF (VO)

Equity ETF ยท Vanguard

Vanguard Morningstar Mid-Cap ETF (VO) is an exchange traded fund from Vanguard that tracks the Morningstar US Mid Cap Index. The fund holds $216.50 billion in assets and charges an expense ratio of 0.03%. It launched on 2004-01-26. Its composition runs to 271 positions, the ten largest of which are listed below, as of 2026-10-24. SentiSense classifies it as an equity fund and tracks news coverage and holdings weighted sentiment for it. Full holdings, flows and per holding sentiment for VO are on the SentiSense fund page.

Issuer
Vanguard
Tracks
Morningstar US Mid Cap Index
Asset Class
Equity
Assets
$216.5B
Expense Ratio
0.03%
Inception
2004-01-26
Listed On
NYSE Arca
Holdings
271

Ten largest holdings

HoldingSymbolWeight
Cloudflare IncNET1.11%
Valero Energy CorpVLO1.11%
Marathon Petroleum CorpMPC1.1%
Phillips 66PSX1.01%
Quanta Services IncPWR0.96%
Vertiv Holdings CoVRT0.92%
Datadog IncDDOG0.91%
Howmet Aerospace IncHWM0.89%
Robinhood Markets IncHOOD0.88%
Lumentum Holdings IncLITE0.86%

Showing the ten largest of 271 positions, as of 2026-10-24.

Frequently asked questions

What does VO track?

Vanguard Morningstar Mid-Cap ETF tracks the Morningstar US Mid Cap Index. It is issued by Vanguard.

What is VO's expense ratio?

Vanguard Morningstar Mid-Cap ETF charges an expense ratio of 0.03%, which is the annual cost of holding the fund as a share of assets.

How big is VO?

Vanguard Morningstar Mid-Cap ETF holds $216.50 billion in assets under management, spread across 271 positions.

What are VO's largest holdings?

The largest positions in Vanguard Morningstar Mid-Cap ETF are Cloudflare Inc, Valero Energy Corp and Marathon Petroleum Corp. Composition is as of 2026-10-24. The ten largest are listed on this page and the full composition is on the SentiSense fund page.

Full holdings, fund flows and holdings weighted sentiment for Vanguard Morningstar Mid-Cap ETF on SentiSense.