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 $226.40 billion in assets and charges an expense ratio of 0.03%. It launched on 2004-01-26. Its composition runs to 280 positions, the ten largest of which are listed below, as of 2026-08-31. 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
- $226.4B
- Expense Ratio
- 0.03%
- Inception
- 2004-01-26
- Listed On
- NYSE Arca
- Holdings
- 280
Ten largest holdings
| Holding | Symbol | Weight |
|---|---|---|
| Marathon Petroleum Corp | MPC | 1.04% |
| Valero Energy Corp | VLO | 1.02% |
| Vertiv Holdings Co | VRT | 0.95% |
| Phillips 66 | PSX | 0.94% |
| Howmet Aerospace Inc | HWM | 0.94% |
| Cloudflare Inc | NET | 0.93% |
| Seagate Technology Holdings PLC | STX | 0.89% |
| Quanta Services Inc | PWR | 0.87% |
| SLB Ltd | SLB | 0.86% |
| Constellation Energy Corp | CEG | 0.85% |
Showing the ten largest of 280 positions, as of 2026-08-31.
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 $226.40 billion in assets under management, spread across 280 positions.
What are VO's largest holdings?
The largest positions in Vanguard Morningstar Mid-Cap ETF are Marathon Petroleum Corp, Valero Energy Corp and Vertiv Holdings Co. Composition is as of 2026-08-31. 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.