ETF comparison
IJR vs SPTM
US Small Cap vs US Total Market.
iShares Core S&P Small-Cap ETF · State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
Holdings overlap
600 positions appear in both funds. Buying equal dollars of IJR and SPTM would leave roughly 2.5% 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
SPTM is 3 bps cheaper than IJR. On a $100,000 position that's about $30/yr more in fees for IJR.
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 SPTM.
Top shared holdings
600 shared in total| # | Holding | In IJR | In SPTM | Overlap |
|---|---|---|---|---|
| 1 | MOLINA HEALTHCARE INC | 0.64% | 0.02% | 0.02% |
| 2 | FORMFACTOR INC | 0.67% | 0.02% | 0.02% |
| 3 | ARGAN INC | 0.60% | 0.02% | 0.02% |
| 4 | ELEMENT SOLUTIONS INC | 0.59% | 0.02% | 0.02% |
| 5 | MATCH GROUP INC | 0.48% | 0.02% | 0.02% |
| 6 | ESCO TECHNOLOGIES INC | 0.49% | 0.01% | 0.01% |
| 7 | POWELL INDUSTRIES INC | 0.44% | 0.01% | 0.01% |
| 8 | KRYSTAL BIOTECH INC | 0.53% | 0.01% | 0.01% |
| 9 | MAXLINEAR INC | 0.58% | 0.01% | 0.01% |
| 10 | BRIGHTSPRING HEALTH SERVICES INC | 0.60% | 0.01% | 0.01% |
| 11 | ETSY INC | 0.39% | 0.01% | 0.01% |
| 12 | PLEXUS CORP | 0.44% | 0.01% | 0.01% |
Only in IJR
3 total- CREDIT ACCEPTANCE CORP 0.20%
- OMNIAB INC 0.00%
- OMNIAB INC 0.00%
Only in SPTM
908 total- NVIDIA Corp 6.92%
- Apple Inc 6.07%
- Microsoft Corp 3.96%
- Amazon.com Inc 3.33%
- Alphabet Inc 2.99%
- Broadcom Inc 2.56%
- Alphabet Inc 2.38%
- Micron Technology Inc 1.86%
- Meta Platforms Inc 1.76%
- Tesla Inc 1.69%
Related comparisons
More comparisons with IJR
- IJR vs IWS · iShares Russell Mid-Cap Value ETF 2.5%
- IJR vs IWV · iShares Russell 3000 ETF 2.5%
- IJR vs VTI · Vanguard Morningstar Total Stock Market ETF 2.5%
- IJR vs FNDX · Schwab Fundamental U.S. Large Company ETF 2.4%
- IJR vs SCHB · Schwab U.S. Broad Market ETF 2.3%
- IJR vs VTHR · Vanguard Russell 3000 Index Fund ETF Shares 2.3%
More comparisons with SPTM
- SPTM vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 95.2%
- SPTM vs VTI · Vanguard Morningstar Total Stock Market ETF 94.9%
- SPTM vs IWV · iShares Russell 3000 ETF 94.8%
- SPTM vs SCHB · Schwab U.S. Broad Market ETF 92.6%
- SPTM vs VOO · Vanguard S&P 500 ETF 92.1%
- SPTM vs SPYM · State Street SPDR Portfolio S&P 500 ETF 92.1%
Percentages are holdings overlap with the named fund.
Open IJR or SPTM 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.