ETF comparison
IJR vs IVOO
US Small Cap vs US Mid Cap.
iShares Core S&P Small-Cap ETF · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares
Holdings overlap
3 positions appear in both funds. Buying equal dollars of IJR and IVOO 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
IJR is 1 bps cheaper than IVOO. On a $100,000 position that's about $10/yr more in fees for IVOO.
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 IVOO.
Top shared holdings
3 shared in total| # | Holding | In IJR | In IVOO | Overlap |
|---|---|---|---|---|
| 1 | MOLINA HEALTHCARE INC | 0.64% | 0.29% | 0.29% |
| 2 | KRYSTAL BIOTECH INC | 0.53% | 0.26% | 0.26% |
| 3 | BRIGHTSPRING HEALTH SERVICES INC | 0.60% | 0.26% | 0.26% |
Only in IJR
600 total- FORMFACTOR INC 0.67%
- VIASAT INC 0.66%
- ARGAN INC 0.60%
- ELEMENT SOLUTIONS INC 0.59%
- MAXLINEAR INC 0.58%
- ESCO TECHNOLOGIES INC 0.49%
- MATCH GROUP INC 0.48%
- ALKERMES PLC 0.47%
- EVERUS CONSTRUCTION GROUP INC 0.46%
- STONEX GROUP INC 0.46%
Only in IVOO
397 total- Twilio Inc 1.00%
- Illumina Inc 0.91%
- TechnipFMC PLC 0.87%
- Everpure Inc 0.82%
- Okta Inc 0.81%
- ATI Inc 0.78%
- nVent Electric PLC 0.68%
- Carpenter Technology Corp 0.66%
- US Foods Holding Corp 0.65%
- Tenet Healthcare Corp 0.64%
Related comparisons
More comparisons with IJR
- IJR vs FELG · Fidelity Enhanced Large Cap Growth ETF 0.7%
- IJR vs IWD · iShares Russell 1000 Value ETF 0.7%
- IJR vs VONV · Vanguard Russell 1000 Value Index Fund ETF Shares 0.7%
- IJR vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 0.7%
- IJR vs SCHK · Schwab 1000 ETF 0.6%
- IJR vs DGRO · iShares Core Dividend Growth ETF 0.5%
More comparisons with IVOO
Percentages are holdings overlap with the named fund.
Open IJR or IVOO 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.