ETF comparison
VO vs VTI
US Mid Cap vs US Total Market.
Vanguard Morningstar Mid-Cap ETF · Vanguard Morningstar Total Stock Market ETF
Holdings overlap
282 positions appear in both funds. Buying equal dollars of VO and VTI would leave roughly 16.0% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
Expense ratios are effectively identical (0.030% vs 0.030%).
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with VO vs VTI.
Top shared holdings
282 shared in total| # | Holding | In VO | In VTI | Overlap |
|---|---|---|---|---|
| 1 | Western Digital Corp | 1.06% | 0.30% | 0.30% |
| 2 | Seagate Technology Holdings PLC | 1.05% | 0.30% | 0.30% |
| 3 | Vertiv Holdings Co | 1.22% | 0.18% | 0.18% |
| 4 | Quanta Services Inc | 1.04% | 0.15% | 0.15% |
| 5 | Howmet Aerospace Inc | 1.04% | 0.15% | 0.15% |
| 6 | Newmont Corp | 0.48% | 0.14% | 0.14% |
| 7 | Cummins Inc | 0.95% | 0.14% | 0.14% |
| 8 | Fortinet Inc | 0.46% | 0.13% | 0.13% |
| 9 | Williams Cos Inc/The | 0.44% | 0.13% | 0.13% |
| 10 | Johnson Controls International plc | 0.43% | 0.12% | 0.12% |
| 11 | Datadog Inc | 0.83% | 0.12% | 0.12% |
| 12 | Snowflake Inc | 0.41% | 0.12% | 0.12% |
Only in VO
0 totalEvery VO position is also held by VTI.
Only in VTI
3,222 total- NVIDIA Corp 6.36%
- Apple Inc 5.87%
- Microsoft Corp 3.83%
- Amazon.com Inc 3.19%
- Alphabet Inc 2.90%
- Broadcom Inc 2.47%
- Alphabet Inc 2.28%
- Micron Technology Inc 1.80%
- Meta Platforms Inc 1.71%
- Tesla Inc 1.64%
Related comparisons
More comparisons with VO
- VO vs VONE · Vanguard Russell 1000 Index Fund ETF Shares 15.8%
- VO vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 15.8%
- VO vs SCHB · Schwab U.S. Broad Market ETF 15.6%
- VO vs SPY · State Street SPDR S&P 500 ETF Trust 15.5%
- VO vs IWV · iShares Russell 3000 ETF 15.5%
- VO vs DFUS · Dimensional U.S. Equity Market ETF 15.4%
More comparisons with VTI
- VTI vs IWS · iShares Russell Mid-Cap Value ETF 15.3%
- VTI vs SPLV · Invesco S&P 500 Low Volatility ETF 14.7%
- VTI vs MOAT · VanEck Morningstar Wide Moat ETF 14.1%
- VTI vs SDY · State Street SPDR S&P Dividend ETF 13.2%
- VTI vs VB · Vanguard Morningstar Small-Cap ETF 11.9%
- VTI vs VLUE · iShares MSCI USA Value Factor ETF 11.9%
Percentages are holdings overlap with the named fund.
Open VO or VTI at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.