ETF comparison
IJJ vs VB
US Mid Cap vs US Small Cap.
iShares S&P Mid-Cap 400 Value ETF · Vanguard Morningstar Small-Cap ETF
Holdings overlap
297 positions appear in both funds. Buying equal dollars of IJJ and VB would leave roughly 28.5% 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
VB is 15 bps cheaper than IJJ. On a $100,000 position that's about $150/yr more in fees for IJJ.
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 IJJ vs VB.
Top shared holdings
297 shared in total| # | Holding | In IJJ | In VB | Overlap |
|---|---|---|---|---|
| 1 | MKS, Inc. | 0.50% | 0.37% | 0.37% |
| 2 | Entegris, Inc. | 0.95% | 0.33% | 0.33% |
| 3 | Illumina, Inc. | 0.70% | 0.31% | 0.31% |
| 4 | US Foods Holding Corp. | 1.29% | 0.27% | 0.27% |
| 5 | Lattice Semiconductor Corp. | 0.49% | 0.25% | 0.25% |
| 6 | TD SYNNEX Corp. | 1.15% | 0.24% | 0.24% |
| 7 | Reliance, Inc. | 1.10% | 0.23% | 0.23% |
| 8 | Onto Innovation, Inc. | 0.56% | 0.23% | 0.23% |
| 9 | Roivant Sciences Ltd. | 0.38% | 0.22% | 0.22% |
| 10 | East West Bancorp, Inc. | 0.50% | 0.21% | 0.21% |
| 11 | Nextpower, Inc. | 0.36% | 0.21% | 0.21% |
| 12 | WESCO International, Inc. | 0.97% | 0.20% | 0.20% |
Only in IJJ
2 total- SharkNinja, Inc. 0.62%
- Autoliv, Inc. 0.17%
Only in VB
1,012 total- Credo Technology Group Holding Ltd 0.55%
- Jabil Inc 0.49%
- REVOLUTION Medicines Inc 0.46%
- Astera Labs Inc 0.45%
- Natera Inc 0.45%
- EMCOR Group Inc 0.45%
- Twilio Inc 0.38%
- NRG Energy Inc 0.37%
- Flex Ltd 0.36%
- Tapestry Inc 0.36%
Related comparisons
More comparisons with IJJ
More comparisons with VB
- VB vs BBSC · JPMorgan BetaBuilders U.S. Small Cap Equity ETF 27.0%
- VB vs IWM · iShares Russell 2000 ETF 25.5%
- VB vs DFAC · U.S. Core Equity 2 Portfolio-ETF Class Shares 25.3%
- VB vs AVMV · Avantis U.S. Mid Cap Value ETF 22.7%
- VB vs IWP · iShares Russell Mid-Cap Growth ETF 21.6%
- VB vs DFUV · Dimensional US Marketwide Value ETF 20.9%
Percentages are holdings overlap with the named fund.
Open IJJ or VB 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.