ETF comparison
IJR vs VIOO
Both US Small Cap.
iShares Core S&P Small-Cap ETF · Vanguard S&P Small-Cap 600 Index Fund ETF Shares
Holdings overlap
589 positions appear in both funds. Buying equal dollars of IJR and VIOO would leave roughly 87.6% 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
IJR is 1 bps cheaper than VIOO. On a $100,000 position that's about $10/yr more in fees for VIOO.
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 IJR vs VIOO.
Top shared holdings
589 shared in total| # | Holding | In IJR | In VIOO | Overlap |
|---|---|---|---|---|
| 1 | VIASAT INC | 0.66% | 0.51% | 0.51% |
| 2 | MATCH GROUP INC | 0.48% | 0.53% | 0.48% |
| 3 | ELEMENT SOLUTIONS INC | 0.59% | 0.45% | 0.45% |
| 4 | CORCEPT THERAPEUTICS INC | 0.45% | 0.60% | 0.45% |
| 5 | GLAUKOS CORP | 0.44% | 0.59% | 0.44% |
| 6 | RYMAN HOSPITALITY PROPERTIES INC | 0.44% | 0.48% | 0.44% |
| 7 | FORMFACTOR INC | 0.67% | 0.44% | 0.44% |
| 8 | EASTMAN CHEMICAL COMPANY | 0.41% | 0.46% | 0.41% |
| 9 | CARMAX INC | 0.41% | 0.49% | 0.41% |
| 10 | STONEX GROUP INC | 0.46% | 0.40% | 0.40% |
| 11 | QORVO INC | 0.40% | 0.43% | 0.40% |
| 12 | PROTAGONIST THERAPEUTICS INC | 0.40% | 0.50% | 0.40% |
Only in IJR
14 total- MOLINA HEALTHCARE INC 0.64%
- BRIGHTSPRING HEALTH SERVICES INC 0.60%
- KRYSTAL BIOTECH INC 0.53%
- GATES INDUSTRIAL CORP PLC 0.38%
- CATALYST PHARMACEUTICALS INC 0.20%
- SELECT MEDICAL HOLDINGS CORP 0.10%
- STELLAR BANCORP INC 0.10%
- LEGGETT & PLATT INC 0.09%
- TWO HARBORS INVESTMENTS CORP 0.07%
- AVANOS MEDICAL INC 0.06%
Only in VIOO
16 total- Gates Industrial Corp Ltd 0.36%
- Mobility Global Inc 0.34%
- Construction Partners Inc 0.28%
- Tenable Holdings Inc 0.22%
- Tutor Perini Corp 0.22%
- Karman Holdings Inc 0.21%
- Centrus Energy Corp 0.18%
- Solaris Energy Infrastructure Inc 0.16%
- Five9 Inc 0.15%
- Gulfport Energy Corp 0.15%
Related comparisons
More comparisons with IJR
- IJR vs IJS · iShares S&P Small-Cap 600 Value ETF 62.6%
- IJR vs VIOV · Vanguard S&P Small-Cap 600 Value Index Fund ETF Shares 60.2%
- IJR vs IJT · iShares S&P Small-Cap 600 Growth ETF 60.2%
- IJR vs VIOG · Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares 59.7%
- IJR vs BBSC · JPMorgan BetaBuilders U.S. Small Cap Equity ETF 51.9%
- IJR vs IWM · iShares Russell 2000 ETF 46.8%
More comparisons with VIOO
- VIOO vs VIOV · Vanguard S&P Small-Cap 600 Value Index Fund ETF Shares 65.5%
- VIOO vs VIOG · Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares 63.2%
- VIOO vs IJS · iShares S&P Small-Cap 600 Value ETF 62.1%
- VIOO vs IJT · iShares S&P Small-Cap 600 Growth ETF 56.7%
- VIOO vs BBSC · JPMorgan BetaBuilders U.S. Small Cap Equity ETF 52.6%
- VIOO vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 47.3%
Percentages are holdings overlap with the named fund.
Open IJR or VIOO 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.