ETF comparison
VBK vs VO
US Small Cap vs US Mid Cap.
Vanguard Morningstar Small-Cap Growth ETF · Vanguard Morningstar Mid-Cap ETF
Holdings overlap
12 positions appear in both funds. Buying equal dollars of VBK and VO would leave roughly 1.6% 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
VO is 2 bps cheaper than VBK. On a $100,000 position that's about $20/yr more in fees for VBK.
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 VBK vs VO.
Top shared holdings
12 shared in total| # | Holding | In VBK | In VO | Overlap |
|---|---|---|---|---|
| 1 | Astera Labs Inc | 1.05% | 0.36% | 0.36% |
| 2 | Flex Ltd | 0.42% | 0.29% | 0.29% |
| 3 | EQT Corp | 0.23% | 0.16% | 0.16% |
| 4 | Hubbell Inc | 0.19% | 0.13% | 0.13% |
| 5 | Texas Pacific Land Corp | 0.36% | 0.12% | 0.12% |
| 6 | AST SpaceMobile Inc | 0.35% | 0.12% | 0.12% |
| 7 | First Solar Inc | 0.34% | 0.12% | 0.12% |
| 8 | Insmed Inc | 0.32% | 0.11% | 0.11% |
| 9 | Burlington Stores Inc | 0.28% | 0.10% | 0.10% |
| 10 | TKO Group Holdings Inc | 0.17% | 0.06% | 0.06% |
| 11 | CoStar Group Inc | 0.16% | 0.06% | 0.06% |
| 12 | Symbotic Inc | 0.04% | 0.01% | 0.01% |
Only in VBK
531 total- Credo Technology Group Holding Ltd 1.27%
- REVOLUTION Medicines Inc 1.06%
- Natera Inc 1.04%
- Twilio Inc 0.88%
- Casey's General Stores Inc 0.83%
- Carpenter Technology Corp 0.82%
- Curtiss-Wright Corp 0.79%
- FTAI Aviation Ltd 0.78%
- nVent Electric PLC 0.77%
- Entegris Inc 0.77%
Only in VO
270 total- Vertiv Holdings Co 1.22%
- Western Digital Corp 1.06%
- Seagate Technology Holdings PLC 1.05%
- Quanta Services Inc 1.04%
- Howmet Aerospace Inc 1.04%
- Cummins Inc 0.95%
- Datadog Inc 0.83%
- Bloom Energy Corp 0.79%
- Constellation Energy Corp 0.78%
- Robinhood Markets Inc 0.77%
Related comparisons
More comparisons with VBK
- VBK vs VYM · Vanguard High Dividend Yield Index Fund ETF Shares 1.5%
- VBK vs DGRO · iShares Core Dividend Growth ETF 1.2%
- VBK vs VOO · Vanguard S&P 500 ETF 0.8%
- VBK vs SPYM · State Street SPDR Portfolio S&P 500 ETF 0.8%
- VBK vs IVV · iShares Core S&P 500 ETF 0.8%
- VBK vs SPY · State Street SPDR S&P 500 ETF Trust 0.8%
More comparisons with VO
- VO vs SMLF · iShares U.S. Small-Cap Equity Factor ETF 1.3%
- VO vs BBMC · JPMorgan BetaBuilders U.S. Mid Cap Equity ETF 1.1%
- VO vs CALF · Pacer US Small Cap Cash Cows 100 ETF 1.0%
- VO vs SCHA · Schwab U.S. Small-Cap ETF 0.8%
- VO vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 0.8%
- VO vs DIA · State Street SPDR Dow Jones Industrial Average ETF Trust 0.6%
Percentages are holdings overlap with the named fund.
Open VBK or VO 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.