---
ticker: "VO"
name: "Vanguard Morningstar Mid-Cap ETF"
url: "https://etf.net/etf/VO"
grade: "A"
score: 79
graded_at: "2026-10-12"
category: "US Mid-Cap"
category_rank: "3 of 13"
methodology: "https://etf.net/methodology"
---

# VO: Vanguard Morningstar Mid-Cap ETF

Grade **A**, Score 79 of 100. Rank 3 of 13 in US Mid-Cap.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 86 | 1 of 13 |
| Mission | 100 | 1 of 11 |
| Risk | 67 | 5 of 13 |
| Tradability | 60 | 6 of 13 |
| Holdings | 52 | 9 of 13 |
| Durability | 92 | 1 of 13 |

## Top holdings

The fund holds 288 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | MPC | Marathon Petroleum Corp | 1.04% |
| 2 | VLO | Valero Energy Corp | 1.02% |
| 3 | VRT | Vertiv Holdings Co | 0.95% |
| 4 | PSX | Phillips 66 | 0.94% |
| 5 | HWM | Howmet Aerospace Inc | 0.94% |
| 6 | NET | Cloudflare Inc | 0.93% |
| 7 | STX | Seagate Technology Holdings PLC | 0.89% |
| 8 | PWR | Quanta Services Inc | 0.87% |
| 9 | SLB | SLB Ltd | 0.86% |
| 10 | CEG | Constellation Energy Corp | 0.85% |
| 11 | DASH | DoorDash Inc | 0.82% |
| 12 | HOOD | Robinhood Markets Inc | 0.79% |
| 13 | MSI | Motorola Solutions Inc | 0.77% |
| 14 | DDOG | Datadog Inc | 0.75% |
| 15 | CMI | Cummins Inc | 0.74% |
| 16 | GM | General Motors Co | 0.74% |
| 17 | WDC | Western Digital Corp | 0.74% |
| 18 | ROST | Ross Stores Inc | 0.70% |
| 19 | TGT | Target Corp | 0.70% |
| 20 | LITE | Lumentum Holdings Inc | 0.68% |
| 21 | HPE | Hewlett Packard Enterprise Co | 0.66% |
| 22 | WBD | Warner Bros Discovery Inc | 0.65% |
| 23 | AJG | Arthur J Gallagher & Co | 0.64% |
| 24 | NEM | Newmont Corp | 0.64% |
| 25 | ALL | Allstate Corp/The | 0.63% |
| 26 | TDG | TransDigm Group Inc | 0.63% |
| 27 | SPG | Simon Property Group Inc | 0.62% |
| 28 | PCAR | PACCAR Inc | 0.62% |
| 29 | DLR | Digital Realty Trust Inc | 0.62% |
| 30 | URI | United Rentals Inc | 0.62% |

Source: etf.net, https://etf.net/etf/VO. Please cite the page URL.