ETF comparison
IWM vs SMLF
US Small Cap vs Multi-Factor.
iShares Russell 2000 ETF · iShares U.S. Small-Cap Equity Factor ETF
Holdings overlap
494 positions appear in both funds. Buying equal dollars of IWM and SMLF would leave roughly 25.5% 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
SMLF is 4 bps cheaper than IWM. On a $100,000 position that's about $40/yr more in fees for IWM.
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 IWM vs SMLF.
Top shared holdings
494 shared in total| # | Holding | In IWM | In SMLF | Overlap |
|---|---|---|---|---|
| 1 | Argan, Inc. | 0.34% | 0.33% | 0.33% |
| 2 | Alkermes plc | 0.27% | 0.31% | 0.27% |
| 3 | JFrog Ltd. | 0.31% | 0.26% | 0.26% |
| 4 | Macerich Co. (The) | 0.22% | 0.30% | 0.22% |
| 5 | Oscar Health, Inc. | 0.21% | 0.21% | 0.21% |
| 6 | Terex Corp. | 0.26% | 0.19% | 0.19% |
| 7 | Ligand Pharmaceuticals, Inc. | 0.20% | 0.19% | 0.19% |
| 8 | Matson, Inc. | 0.18% | 0.19% | 0.18% |
| 9 | Kulicke & Soffa Industries, Inc. | 0.21% | 0.18% | 0.18% |
| 10 | Liquidia Corp. | 0.17% | 0.20% | 0.17% |
| 11 | Perimeter Solutions, Inc. | 0.17% | 0.21% | 0.17% |
| 12 | Clear Secure, Inc. | 0.16% | 0.29% | 0.16% |
Only in IWM
1,520 total- Riot Platforms, Inc. 0.30%
- Krystal Biotech, Inc. 0.30%
- ESCO Technologies, Inc. 0.29%
- CareTrust REIT, Inc. 0.28%
- Old National Bancorp 0.28%
- FirstCash Holdings, Inc. 0.28%
- Plexus Corp. 0.25%
- Enpro, Inc. 0.25%
- JBT Marel Corp. 0.24%
- Vaxcyte, Inc. 0.24%
Only in SMLF
398 total- EMCOR Group, Inc. 0.95%
- Interactive Brokers Group, Inc. 0.83%
- nVent Electric plc 0.80%
- Flex Ltd. 0.78%
- Jabil, Inc. 0.75%
- Astera Labs, Inc. 0.70%
- Tapestry, Inc. 0.66%
- Natera, Inc. 0.62%
- Williams-Sonoma, Inc. 0.61%
- Mueller Industries, Inc. 0.59%
Related comparisons
More comparisons with IWM
- IWM vs VBK · Vanguard Morningstar Small-Cap Growth ETF 25.0%
- IWM vs SPMD · State Street SPDR Portfolio S&P 400 Mid Cap ETF 11.2%
- IWM vs IJH · iShares Core S&P Mid-Cap ETF 11.2%
- IWM vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 11.1%
- IWM vs MDY · State Street SPDR S&P MIDCAP 400 ETF Trust 11.0%
- IWM vs DFAC · U.S. Core Equity 2 Portfolio-ETF Class Shares 10.1%
More comparisons with SMLF
- SMLF vs IJR · iShares Core S&P Small-Cap ETF 19.3%
- SMLF vs LRGF · iShares U.S. Equity Factor ETF 10.1%
- SMLF vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 7.3%
- SMLF vs VTI · Vanguard Morningstar Total Stock Market ETF 7.3%
- SMLF vs IWD · iShares Russell 1000 Value ETF 7.1%
- SMLF vs SCHB · Schwab U.S. Broad Market ETF 6.9%
Percentages are holdings overlap with the named fund.
Open IWM or SMLF 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.