Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
DFUS vs VO: how they differ
DFUS and VO hold 15% of their weight in the same names, and DFUS returned more over the year.
Dimensional U.S. Equity Market ETF and Vanguard Mid-Cap Index Fund.
What they hold in common
By the books each fund has filed, DFUS and VO hold 15% of their money in the same securities at the same weight.
| Holding | DFUS | VO |
|---|---|---|
| WESTERN DIGITAL CORPORATION | 0.23% | 1.07% |
| SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMIT | 0.23% | 1.05% |
| NEWMONT CORPORATION | 0.18% | 0.48% |
| VERTIV HOLDINGS CO | 0.18% | 1.23% |
| QUANTA SERVICES, INC. | 0.16% | 1.05% |
| CONSTELLATION ENERGY CORPORATION. | 0.16% | 0.78% |
| THE WILLIAMS COMPANIES, INC. | 0.14% | 0.44% |
| HOWMET AEROSPACE INC. | 0.14% | 1.04% |
| CUMMINS INC. | 0.14% | 0.95% |
| FEDEX CORPORATION | 0.14% | 0.33% |
| JOHNSON CONTROLS INTERNATIONAL PUBLIC LI | 0.14% | 0.43% |
| SLB N.V. | 0.13% | 0.67% |
| Only in DFUS | Only in VO |
|---|---|
| NVIDIA CORPORATION 6.97% | Simon Property Group Inc 0.67% |
| APPLE INC. 5.86% | Digital Realty Trust Inc 0.61% |
| MICROSOFT CORPORATION 4.52% | Realty Income Corp 0.56% |
| AMAZON.COM, INC. 3.84% | Public Storage 0.49% |
| ALPHABET INC. 3.31% | Ventas Inc 0.42% |
| BROADCOM INC. 2.90% | Waste Connections Inc 0.41% |
| ALPHABET INC. 2.74% | Carnival Corp Ltd 0.35% |
| META PLATFORMS, INC. 2.01% | Iron Mountain Inc 0.35% |
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 Jun 30, 2026.
| DFUS Dimensional U.S. Equity Market ETF | VO Vanguard Mid-Cap Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Dimensional | Vanguard |
| What it is | U.S. Equity Market | Mid-Cap |
| Total return, 1 year | +17.5% | +12.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | 0.0 pts | −5.5 pts |
| Expense ratio | 0.09% | 0.03% |
| Already in the S&P 500 | 90.2% | 91.4% |
| Holdings | 2231 | 282 |
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%.
VO in plain words
VO is an index equity fund tracking the Mid-Cap. Over the year to Sep 11, 2026 it returned +12.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 282 positions, with the top ten at 9.6%. It sat 4.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, DFUS or VO?
- In the year to Sep 12, 2026, with distributions reinvested, DFUS returned +17.5% and VO returned +12.0%, so DFUS returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, DFUS or VO?
- DFUS charges 0.09% a year and VO charges 0.03%, so VO is cheaper. Fees come from each fund's prospectus.
- How much do DFUS and VO overlap with the S&P 500?
- By their latest filed holdings, 90% of DFUS and 91% of VO by weight is stocks the S&P 500 already holds. Between the two funds, 15% 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 VO, data as of Sep 12, 2026. https://etfiq.com/compare/any/DFUS-VO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources