Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
DFUS vs IWO: how they differ
DFUS and IWO hold 0% of their weight in the same names.
Dimensional U.S. Equity Market ETF and iShares Russell 2000 Growth ETF.
What they hold in common
By the books each fund has filed, DFUS and IWO hold 0% of their money in the same securities at the same weight.
| Only in DFUS | Only in IWO |
|---|---|
| NVIDIA CORPORATION 6.97% | MOOG INC CLASS A 0.69% |
| APPLE INC. 5.86% | GLAUKOS 0.65% |
| MICROSOFT CORPORATION 4.52% | JFROG 0.64% |
| AMAZON.COM, INC. 3.84% | BRIGHTSPRING HEALTH SERVICES INC 0.62% |
| ALPHABET INC. 3.31% | FIRSTCASH HOLDINGS INC 0.62% |
| BROADCOM INC. 2.90% | BRINKER INTERNATIONAL INC 0.61% |
| ALPHABET INC. 2.74% | INTERDIGITAL INC 0.60% |
| META PLATFORMS, INC. 2.01% | KRYSTAL BIOTECH 0.59% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Sep 10, 2026.
| DFUS Dimensional U.S. Equity Market ETF | IWO iShares Russell 2000 Growth ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Dimensional | iShares |
| What it is | U.S. Equity Market | Russell 2000 Growth |
| Total return, 1 year | +17.5% | +17.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | 0.0 pts | −0.5 pts |
| Expense ratio | 0.09% | 0.24% |
| Already in the S&P 500 | 90.2% | 0.0% |
| Holdings | 2231 | 970 |
DFUS in plain words
DFUS is an index equity fund tracking the U.S. Equity Market. Over the year to Sep 11, 2026 it returned +17.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for Apr 30, 2026, 90% of the fund by weight is stocks the S&P 500 also holds, across 2231 positions, with the top ten at 35.2%.
IWO in plain words
IWO is an index equity fund tracking the Russell 2000 Growth. Over the year to Sep 11, 2026 it returned +17.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.24% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 970 positions, with the top ten at 6.2%. It sat 7.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, DFUS or IWO?
- In the year to Sep 13, 2026, with distributions reinvested, DFUS returned +17.5% and IWO returned +17.0%, so DFUS returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, DFUS or IWO?
- DFUS charges 0.09% a year and IWO charges 0.24%, so DFUS is cheaper. Fees come from each fund's prospectus.
- How much do DFUS and IWO overlap with the S&P 500?
- By their latest filed holdings, 90% of DFUS and 0% of IWO by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, DFUS against IWO, data as of Sep 13, 2026. https://etfiq.com/compare/any/dfus-vs-iwo Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources