VOUS mid-cap
VANGUARD MID-CAP INDEX FUND
300holdings
0.03%annual fee
USmarket
Valuation275 companies covered
22.0×P / E92% by weight
2.95×P / B87% by weight
4.5%Earnings yieldinverse of P / E
ETF comparisons / VO vs VOO
US mid-cap comparison · Holdings dated 2026-03-31
VO vs VOO
VANGUARD MID-CAP INDEX FUND compared with VANGUARD 500 INDEX FUND
Most company exposure is different between these funds.VO has 35 companies outside the overlap; VOO has 250.
VOOUS equity
VANGUARD 500 INDEX FUND
519holdings
0.03%annual fee
USmarket
Valuation490 companies covered
23.5×P / E98% by weight
4.61×P / B84% by weight
4.3%Earnings yieldinverse of P / E
Largest shared positions
253 companies held in both funds
VO weight
VOO weight
| Shared company | VO | VOO |
|---|---|---|
| Newmont Corp NEM | 0.64% | 0.21% |
| CORNING INCORPORATED GLW | 0.57% | 0.19% |
| VERTIV HOLDINGS CO VRT | 1.03% | 0.17% |
| HOWMET AEROSPACE INC. HWM | 1.01% | 0.16% |
| WESTERN DIGITAL CORPORATION WDC | 1.00% | 0.16% |
| THE WILLIAMS COMPANIES, INC. WMB | 0.48% | 0.16% |
| CONSTELLATION ENERGY CORPORATION. CEG | 0.94% | 0.16% |
| SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY STX | 0.93% | 0.15% |
| Quanta Services Inc PWR | 0.89% | 0.15% |
| JOHNSON CONTROLS INTERNATIONAL PUBLIC LIMITED COMPANY JCI | 0.44% | 0.14% |
| FEDEX CORPORATION FDX | 0.41% | 0.14% |
| SLB Ltd SLB | 0.84% | 0.14% |
| Valero Energy Corp VLO | 0.80% | 0.13% |
| CUMMINS INC. CMI | 0.81% | 0.13% |
| PHILLIPS 66 PSX | 0.79% | 0.13% |
| Marathon Petroleum Corp MPC | 0.78% | 0.13% |
| MOTOROLA SOLUTIONS, INC. MSI | 0.78% | 0.13% |
| CRH PUBLIC LIMITED COMPANY CRH | 0.76% | 0.13% |
| ROSS STORES, INC. ROST | 0.76% | 0.13% |
| HILTON WORLDWIDE HOLDINGS INC. HLT | 0.38% | 0.12% |
| Royal Caribbean Cruises Ltd RCL | 0.73% | 0.12% |
| Warner Bros Discovery Inc WBD | 0.70% | 0.12% |
| GENERAL MOTORS COMPANY GM | 0.73% | 0.12% |
| KINDER MORGAN, INC. KMI | 0.35% | 0.12% |
| TransDigm Group Inc TDG | 0.71% | 0.12% |
VO and VOO questions
Based on the holdings compared above
How much do VO and VOO overlap?
VO and VOO overlap by 16.6% by weight, across 253 shared companies.
Which companies do VO and VOO both hold?
The largest companies held in both funds are Newmont Corp, CORNING INCORPORATED, VERTIV HOLDINGS CO, HOWMET AEROSPACE INC., WESTERN DIGITAL CORPORATION.
Can I hold both VO and VOO?
Holding both means 16.6% of that part of your portfolio is the same companies counted twice. That can suit you or not depending on your goals; this tool reports the overlap rather than giving advice.
Is VO or VOO cheaper?
VO has a 0.03% expense ratio and VOO has 0.03%.
How do VO and VOO compare on valuation?
VO has a weighted P/E of 22.0 and VOO has a weighted P/E of 23.5.
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