ETF comparison
IJK vs VB
US Mid Cap vs US Small Cap.
iShares S&P Mid-Cap 400 Growth ETF · Vanguard Morningstar Small-Cap ETF
Holdings overlap
241 positions appear in both funds. Buying equal dollars of IJK and VB would leave roughly 29.4% 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 13 bps cheaper than IJK. On a $100,000 position that's about $130/yr more in fees for IJK.
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 IJK vs VB.
Top shared holdings
241 shared in total| # | Holding | In IJK | In VB | Overlap |
|---|---|---|---|---|
| 1 | Twilio, Inc. | 1.66% | 0.38% | 0.38% |
| 2 | MKS, Inc. | 1.13% | 0.37% | 0.37% |
| 3 | Carpenter Technology Corp. | 1.62% | 0.35% | 0.35% |
| 4 | Curtiss-Wright Corp. | 1.48% | 0.34% | 0.34% |
| 5 | Entegris, Inc. | 0.58% | 0.33% | 0.33% |
| 6 | nVent Electric plc | 1.45% | 0.33% | 0.33% |
| 7 | ATI, Inc. | 1.42% | 0.33% | 0.33% |
| 8 | TechnipFMC plc | 1.40% | 0.32% | 0.32% |
| 9 | MasTec, Inc. | 1.36% | 0.32% | 0.32% |
| 10 | MACOM Technology Solutions Holdings, Inc. | 1.32% | 0.32% | 0.32% |
| 11 | Woodward, Inc. | 1.34% | 0.31% | 0.31% |
| 12 | Illumina, Inc. | 0.76% | 0.31% | 0.31% |
Only in IJK
2 total- Autoliv, Inc. 0.26%
- LivaNova plc 0.24%
Only in VB
1,068 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%
- NRG Energy Inc 0.37%
- Flex Ltd 0.36%
- Tapestry Inc 0.36%
- Casey's General Stores Inc 0.36%
Related comparisons
More comparisons with IJK
- IJK vs IJJ · iShares S&P Mid-Cap 400 Value ETF 28.0%
- IJK vs IWP · iShares Russell Mid-Cap Growth ETF 19.0%
- IJK vs AVMV · Avantis U.S. Mid Cap Value ETF 16.0%
- IJK vs IWR · iShares Russell Mid-Cap ETF 15.9%
- IJK vs IWS · iShares Russell Mid-Cap Value ETF 14.8%
- IJK vs IWM · iShares Russell 2000 ETF 6.0%
More comparisons with VB
- VB vs IJJ · iShares S&P Mid-Cap 400 Value ETF 28.5%
- 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%
Percentages are holdings overlap with the named fund.
Open IJK 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.