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DFSU vs OEF: Differences, Returns & Fees

DFSU and OEF hold 50% of their weight in the same names, and OEF returned +16.8% over the year. Net assets: $2.3bn on Jul 31, 2026 for Dimensional US Sustainability Core 1 ETF, and $20.8bn on Oct 9, 2026 for iShares S&P 100 ETF.

DFSU costs 0.05 points a year less; their one-year returns differ by 2.8 points; OEF is 8.7 times larger.

DFSU vs OEF: Differences, Returns & Fees
DFSUOEF
Expense ratio0.15%0.20%
Net assets, as of Jul 31, 2026$2.3bn$19.8bn
Total return, 1 year+14.0%+16.8%
What it tracksNo index, actively managedS&P 100
Holdings in common50%
Top ten holdings, share of the fund32.0%52.6%

Holdings in common uses holdings dated Jul 31, 2026 and Oct 9, 2026.

+14.0%
DFSU total return, 1 year
+16.8%
OEF total return, 1 year
0.15%
DFSU expense ratio
0.20%
OEF expense ratio

What they hold in common

By the books each fund has filed, DFSU and OEF hold 50% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jul 31, 2026 and Oct 9, 2026.

half

50% in common

Positions both hold, largest shared weight first
Holding DFSU OEF
NVIDIA CORPORATION 6.46% 11.11%
APPLE INC. 6.31% 9.84%
AMAZON.COM, INC. 3.32% 5.16%
MICROSOFT CORPORATION 3.14% 7.96%
META PLATFORMS, INC. 3.09% 3.17%
ALPHABET INC. 2.40% 4.13%
BROADCOM INC. 2.27% 3.45%
ALPHABET INC. 1.96% 3.31%
JPMORGAN CHASE & CO. 1.62% 1.77%
JOHNSON & JOHNSON 0.98% 1.26%
VISA INC. 0.88% 1.32%
TESLA, INC. 0.71% 2.16%
Only in DFSU
ELI LILLY AND COMPANY 1.41%
GENERAL ELECTRIC COMPANY 0.59%
APPLIED MATERIALS, INC. 0.45%
The Travelers Companies, Inc. 0.41%
KLA CORPORATION 0.35%
THE ALLSTATE CORPORATION 0.34%
THE TJX COMPANIES, INC. 0.30%
METLIFE, INC. 0.28%
Only in OEF
MICRON TECHNOLOGY 2.33%
BERKSHIRE HATHAWAY INC CLASS B 1.92%
ELI LILLY 1.89%
EXXONMOBIL HOLDINGS CORP 1.39%
CHEVRON 0.84%
COSTCO WHOLESALE CORP 0.84%
APPLIED MATERIAL INC 0.81%
GE AEROSPACE 0.64%

Check overlap with more funds →

On the same fields

DFSU
Dimensional US Sustainability Core 1 ETF
OEF
iShares S&P 100 ETF
Where it sits Stock ETF Stock ETF
Issuer Dimensional iShares
What it is Actively managed Tracks an index
Total return, 1 year +14.0% +16.8%
Its benchmark over the same days +16.7% (IWV) not published
Gap to its benchmark −2.6 pts vs IWV not available
Expense ratio 0.15% 0.20%
Already in the S&P 500 81.1% 99.9%
Holdings 1940 102
Net assets, DFSU as of Jul 31, 2026 and OEF as of Oct 9, 2026 $2.3bn $20.8bn

DFSU and OEF on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

About DFSU

DFSU is actively managed and tracks no index. The prospectus expense ratio is 0.15% a year. By its holdings filed for Jul 31, 2026, 81% of the fund by weight is stocks the S&P 500 also holds, across 1,940 positions, with the top ten at 32.0%.

Over the year to Oct 9, 2026 it returned +14.0% with distributions reinvested, against +16.7% for its benchmark, the Russell 3000 Index.

About OEF

OEF tracks an index. Over the year to Oct 9, 2026 it returned +16.8% with distributions reinvested. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 9, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 102 positions, with the top ten at 52.6%.

Questions people ask

Which returned more over the last year, DFSU or OEF?
In the year to Oct 9, 2026, with distributions reinvested, DFSU returned +14.0% and OEF +16.8%.
Which is cheaper, DFSU or OEF?
DFSU is cheaper, by 0.05 percentage points a year. That is about $5 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do DFSU and OEF overlap with the S&P 500?
By their latest filed holdings, 81% of DFSU and 100% of OEF by weight is stocks the S&P 500 already holds.
Other comparisons
DFSU vs RDVYDFSU vs DGRWDFSU vs IWBDFSU vs IVVOEF vs SFLRIWL vs OEFOEF vs QDFFLQL vs OEF
DFSU on its own →OEF on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
DFSU filings on SEC EDGAR ↗DFSU prospectus with the expense ratio (SEC) ↗Dimensional website ↗OEF filings on SEC EDGAR ↗OEF prospectus with the expense ratio (SEC) ↗iShares page for OEF ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, DFSU against OEF, data as of Oct 9, 2026. https://etfiq.com/compare/any/dfsu-vs-oef

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.