ETF comparison
VBK vs VOO
US Small Cap vs US Large Cap.
Vanguard Morningstar Small-Cap Growth ETF · Vanguard S&P 500 ETF
Holdings overlap
32 positions appear in both funds. Buying equal dollars of VBK and VOO would leave roughly 0.8% 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
VOO 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 VOO.
Top shared holdings
32 shared in total| # | Holding | In VBK | In VOO | Overlap |
|---|---|---|---|---|
| 1 | Flex Ltd | 0.42% | 0.09% | 0.09% |
| 2 | EMCOR Group Inc | 0.52% | 0.06% | 0.06% |
| 3 | EQT Corp | 0.23% | 0.05% | 0.05% |
| 4 | Casey's General Stores Inc | 0.83% | 0.05% | 0.05% |
| 5 | Hubbell Inc | 0.19% | 0.04% | 0.04% |
| 6 | Texas Pacific Land Corp | 0.36% | 0.04% | 0.04% |
| 7 | First Solar Inc | 0.34% | 0.04% | 0.04% |
| 8 | Incyte Corp | 0.54% | 0.03% | 0.03% |
| 9 | Lennox International Inc | 0.50% | 0.03% | 0.03% |
| 10 | Weyerhaeuser Co | 0.24% | 0.03% | 0.03% |
| 11 | Generac Holdings Inc | 0.48% | 0.03% | 0.03% |
| 12 | Nordson Corp | 0.45% | 0.02% | 0.02% |
Only in VBK
511 total- Credo Technology Group Holding Ltd 1.27%
- REVOLUTION Medicines Inc 1.06%
- Astera Labs Inc 1.05%
- Natera Inc 1.04%
- Twilio Inc 0.88%
- 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 VOO
472 total- NVIDIA Corp 7.51%
- Apple Inc 6.59%
- Microsoft Corp 4.30%
- Amazon.com Inc 3.62%
- Alphabet Inc 3.25%
- Broadcom Inc 2.77%
- Alphabet Inc 2.59%
- Micron Technology Inc 2.02%
- Meta Platforms Inc 1.92%
- Tesla Inc 1.84%
Related comparisons
More comparisons with VBK
More comparisons with VOO
- VOO vs DFAT · U.S. Targeted Value Portfolio-ETF Class Shares 0.8%
- VOO vs SCHA · Schwab U.S. Small-Cap ETF 0.6%
- VOO vs CALF · Pacer US Small Cap Cash Cows 100 ETF 0.4%
- VOO vs DFSV · DFA U.S. Small Cap Value Portfolio – ETF Class Shares 0.4%
- VOO vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 0.1%
- VOO vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 0.0%
Percentages are holdings overlap with the named fund.
Open VBK or VOO 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.