VO ETF Profile
VO is a mid-cap U.S. equity ETF from Vanguard. Its largest disclosed positions include NEM, CEG, and STX, and the top three holdings account for 3.17% of portfolio weight shown here. On ETF Overlap Checker, it currently connects to 61 comparison pages.
Issuer
Vanguard
Asset Class
Mid Cap Equity
Holdings
286
Compare Pages
61
About VO
Seeks to track the performance of the CRSP US Mid Cap Index, which measures the investment return of mid-capitalization stocks. Provides a convenient way to match the performance of a diversified group of medium-size companies. Follows a passively managed, full-replication approach.
- VO has a fairly diversified holdings footprint, with 286 positions in the latest imported dataset.
- The largest disclosed position is NEM at 1.31% of the portfolio.
- The top three disclosed holdings make up 3.17% of the portfolio, and the top ten add up to 9.26%.
- Sector labels are limited in the visible top holdings, so the biggest positions matter more than sector buckets here.
- VO currently appears in 61 active ETF comparison pages on this site.
Data And Coverage
- Expense ratio
- 0.03%
- AUM
- $203B
- Inception date
- Jan 26, 2004
- Holdings updated
- Mar 12, 2026
- Data source
- Financial Modeling Prep
Review the methodology for the overlap formula and visit the ETF directory for the full set of indexed fund hubs.
Compare VO with another ETF
What Stands Out About VO
Portfolio Shape
The disclosed top holdings suggest a middle-ground portfolio shape. NEM, CEG, and STX are the main visible positions, with the top three accounting for 3.17% and the top ten for 9.26% of portfolio weight shown here. Sector labels are limited in the visible top holdings, so the concentration read is driven mainly by the largest names themselves.
What Kind Of Overlap To Expect
VO should show moderate to meaningful overlap with ETFs built for similar core equity exposure, but more separation from narrow sector or international funds. The biggest shared drivers usually come from the same large holdings that dominate the top of the portfolio.
When Investors Compare It
On this site, investors often compare VO with VOO, VTI, and QQQ. Those matchups usually answer a simple question: does adding this fund create a different sleeve, or does it mostly duplicate exposure you already own? VO currently connects to 61 live comparison pages.
Holdings Concentration Snapshot
Concentration
- Largest disclosed holding
- 1.31%
- Top 3 holdings
- 3.17%
- Top 10 holdings
- 9.26%
- Total holdings
- 286
These numbers help show whether VO behaves more like a broad portfolio building block or a fund where the biggest positions dominate the ride.
Visible Sector Mix
Sector labels are limited in the visible top holdings for VO, so the strongest signal here is still the size of the largest positions themselves.
Top Holdings
These holdings help explain how VO overlaps with other funds. The top ten disclosed positions represent 9.26% of the portfolio shown here.
| Holding | Name | Sector | Weight |
|---|---|---|---|
| NEM | Newmont Corp | N/A | 1.31% |
| CEG | Constellation Energy Corp | N/A | 0.94% |
| STX | Seagate Technology Holdings PLC | N/A | 0.93% |
| WDC | Western Digital Corp | N/A | 0.91% |
| HWM | Howmet Aerospace Inc | N/A | 0.89% |
| CRH | CRH PLC | N/A | 0.88% |
| TDG | TransDigm Group Inc | N/A | 0.86% |
| CMI | Cummins Inc | N/A | 0.85% |
| GLW | Corning Inc | N/A | 0.85% |
| RCL | Royal Caribbean Cruises Ltd | N/A | 0.85% |
Related Overlap Comparisons
Use these pages to see whether adding VO changes your exposure or mostly duplicates positions you already own.