ETF comparison
DFAU vs IWM
US Total Market vs US Small Cap.
Dimensional US Core Equity Market ETF · iShares Russell 2000 ETF
Holdings overlap
1,233 positions appear in both funds. Buying equal dollars of DFAU and IWM would leave roughly 4.4% 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
DFAU is 7 bps cheaper than IWM. On a $100,000 position that's about $70/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 DFAU vs IWM.
Top shared holdings
1,233 shared in total| # | Holding | In DFAU | In IWM | Overlap |
|---|---|---|---|---|
| 1 | VIASAT, INC. | 0.02% | 0.35% | 0.02% |
| 2 | UMB FINANCIAL CORPORATION | 0.02% | 0.33% | 0.02% |
| 3 | JACKSON FINANCIAL INC. | 0.02% | 0.19% | 0.02% |
| 4 | LIFE TIME GROUP HOLDINGS, INC. | 0.02% | 0.19% | 0.02% |
| 5 | OLD NATIONAL BANCORP | 0.02% | 0.28% | 0.02% |
| 6 | BRIGHTSPRING HEALTH SERVICES, INC. | 0.02% | 0.35% | 0.02% |
| 7 | FIRSTCASH HOLDINGS, INC. | 0.02% | 0.28% | 0.02% |
| 8 | MOOG INC. | 0.02% | 0.38% | 0.02% |
| 9 | BRINKER INTERNATIONAL, INC. | 0.02% | 0.23% | 0.02% |
| 10 | Crinetics Pharmaceuticals Inc | 0.02% | 0.12% | 0.02% |
| 11 | InterDigital, Inc. | 0.02% | 0.23% | 0.02% |
| 12 | STONEX GROUP INC. | 0.02% | 0.27% | 0.02% |
Only in DFAU
957 total- NVIDIA CORPORATION 6.74%
- APPLE INC. 6.45%
- MICROSOFT CORPORATION 5.09%
- AMAZON.COM, INC. 3.59%
- ALPHABET INC. 2.74%
- BROADCOM INC. 2.34%
- ALPHABET INC. 2.28%
- META PLATFORMS, INC. 1.79%
- MICRON TECHNOLOGY, INC. 1.39%
- JPMORGAN CHASE & CO. 1.28%
Only in IWM
781 total- Cytokinetics, Inc. 0.35%
- MaxLinear, Inc. 0.34%
- CareTrust REIT, Inc. 0.28%
- Compass, Inc. 0.27%
- D-Wave Quantum, Inc. 0.27%
- Praxis Precision Medicines, Inc. 0.26%
- Ryman Hospitality Properties, Inc. 0.25%
- Core Scientific, Inc. 0.25%
- Protagonist Therapeutics, Inc. 0.23%
- Hims & Hers Health, Inc. 0.23%
Related comparisons
More comparisons with DFAU
- DFAU vs IJR · iShares Core S&P Small-Cap ETF 2.9%
- DFAU vs DFUS · Dimensional U.S. Equity Market ETF 91.7%
- DFAU vs SCHB · Schwab U.S. Broad Market ETF 87.0%
- DFAU vs VTHR · Vanguard Russell 3000 Index Fund ETF Shares 86.7%
- DFAU vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 86.4%
- DFAU vs SPTM · State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF 86.1%
More comparisons with IWM
- IWM vs IWV · iShares Russell 3000 ETF 4.3%
- IWM vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 4.2%
- IWM vs VTI · Vanguard Morningstar Total Stock Market ETF 4.2%
- IWM vs ONEQ · Fidelity Nasdaq Composite Index ETF 4.1%
- IWM vs VTHR · Vanguard Russell 3000 Index Fund ETF Shares 3.9%
- IWM vs SCHB · Schwab U.S. Broad Market ETF 3.7%
Percentages are holdings overlap with the named fund.
Open DFAU or IWM 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.