DFAS vs IWM: holdings overlap, shared companies and scores
As of September 11, 2026, DFAS and IWM overlap 49.6% by weight. Dimensional - US Small Cap ETF (DFAS): U.S. small-cap equities. iShares Russell 2000 ETF (IWM): Russell 2000 index.
Updated September 11, 2026
How much do DFAS and IWM overlap?
As of September 11, 2026, DFAS and IWM overlap 49.6% by weight.
51% of DFAS is already inside IWM.
81% of IWM is already inside DFAS.
DFAS holds 2,045 companies and IWM holds 1,951; 1,417 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score DFAS and IWM?
As of September 11, 2026, ETF Copilot scores DFAS 4.4 out of 10 and IWM 4.2 out of 10.
They differ most on Risk: DFAS 6.7 and IWM 2.4.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | DFAS | IWM |
|---|---|---|
| Growth | 4.8 | 5.1 |
| Valuation | 4.9 | 8.2 |
| Risk | 6.7 | 2.4 |
| Quality | 1.3 | 0.7 |
| Return | 4.1 | 4.3 |
IWM is the cheaper of the two at 0.19% a year
As of September 11, 2026, DFAS charges 0.26% a year, yields 1.39% and holds $15.4B in assets across 2045 positions.
As of September 11, 2026, IWM charges 0.19% a year, yields 1.34% and holds $80.5B in assets across 1951 positions.
| Measure | DFAS | IWM |
|---|---|---|
| Expense ratio | 0.26% | 0.19% |
| Dividend yield | 1.39% | 1.34% |
| Assets under management | $15.4B | $80.5B |
| Holdings | 2045 | 1951 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Where DFAS and IWM trade against their own history
DFAS trades at 17.0 times earnings, against its own median of 16.3, and is more expensive than 69% of its own 51 monthly readings since 2021.
IWM trades at 16.8 times earnings, against its own median of 16.7, and is more expensive than 56% of its own 114 monthly readings since 2017.
What moved DFAS and IWM this week
DFAS fell 1.9% in the week to September 11, 2026. The holdings that moved it most were UiPath (−24.5%), Factset Research Systems (−17.0%) and Manhattan Associates (−9.2%); Skyworks Solutions (+23.6%) pushed the other way.
IWM fell 2.1% in the week to September 11, 2026. The holdings that moved it most were Servicetitan (−41.3%), Qualys (−13.8%) and Dyne Therapeutics (−27.0%); Maxlinear (+25.4%) pushed the other way.
What do DFAS and IWM each hold?
What's inside DFAS: Tech 14%, Semiconductors 3%.
3% of DFAS is its ten largest holdings.
What's inside IWM: Tech 14%, Semiconductors 2%.
3% of IWM is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “DFAS vs IWM holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/dfas-vs-iwm
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