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DFSU vs SPYM: Differences, Returns & Fees

DFSU and SPYM hold 67% of their weight in the same names, and SPYM returned +17.3% over the year. Net assets: $2.3bn on Jul 31, 2026 for Dimensional US Sustainability Core 1 ETF, and $178.5bn on Oct 8, 2026 for State Street SPDR Portfolio S&P 500 ETF.

SPYM costs 0.13 points a year less; their one-year returns differ by 3.3 points; SPYM is far larger, $161.6bn against $2.3bn.

DFSU vs SPYM: Differences, Returns & Fees
DFSUSPYM
Expense ratio0.15%0.02%
Net assets, as of Jul 31, 2026$2.3bn$161.6bn
Total return, 1 year+14.0%+17.3%
What it tracksNo index, actively managedS&P 500 Index ?
Holdings in common67%
Top ten holdings, share of the fund32.0%39.0%

Holdings in common uses holdings dated Jul 31, 2026 and Oct 8, 2026.

+14.0%
DFSU total return, 1 year
+17.3%
SPYM total return, 1 year
0.15%
DFSU expense ratio
0.02%
SPYM expense ratio

What they hold in common

By the books each fund has filed, DFSU and SPYM hold 67% 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 8, 2026.

half

67% in common

Positions both hold, largest shared weight first
Holding DFSU SPYM
NVIDIA CORPORATION 6.46% 8.33%
APPLE INC. 6.31% 7.42%
AMAZON.COM, INC. 3.32% 3.72%
MICROSOFT CORPORATION 3.14% 5.79%
ALPHABET INC. 2.40% 3.05%
META PLATFORMS, INC. 3.09% 2.37%
BROADCOM INC. 2.27% 2.56%
ALPHABET INC. 1.96% 2.45%
ELI LILLY AND COMPANY 1.41% 1.40%
JPMORGAN CHASE & CO. 1.62% 1.31%
JOHNSON & JOHNSON 0.98% 0.92%
VISA INC. 0.88% 0.95%
Only in DFSU
LPL FINANCIAL HOLDINGS INC. 0.17%
WARNER BROS. DISCOVERY, INC. 0.15%
RELIANCE, INC. 0.14%
SHARKNINJA, INC. 0.14%
TECHNIPFMC PLC 0.12%
CORTEVA, INC. 0.12%
WESCO INTERNATIONAL, INC. 0.12%
US FOODS HOLDING CORP. 0.11%
Only in SPYM
MICRON TECHNOLOGY INC 1.75%
BERKSHIRE HATHAWAY INC CL B 1.42%
EXXONMOBIL HOLDINGS CORP 1.03%
COSTCO WHOLESALE CORP 0.63%
CHEVRON CORP 0.62%
PHILIP MORRIS INTERNATIONAL 0.47%
TEXAS INSTRUMENTS INC 0.39%
LINDE PLC 0.33%

Check overlap with more funds →

On the same fields

DFSU
Dimensional US Sustainability Core 1 ETF
SPYM
State Street SPDR Portfolio S&P 500 ETF
Where it sits Stock ETF Stock ETF
Issuer Dimensional State Street
What it is Actively managed Tracks the S&P 500
Total return, 1 year +14.0% +17.3%
Its benchmark over the same days +16.7% (IWV) +17.3% (IVV)
Gap to its benchmark −2.6 pts vs IWV 0.0 pts vs IVV
Expense ratio 0.15% 0.02%
Already in the S&P 500 81.1% 99.8%
Holdings 1940 506
Net assets, DFSU as of Jul 31, 2026 and SPYM as of Oct 8, 2026 $2.3bn $178.5bn
Former ticker none SPLG

DFSU and SPYM 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 SPYM

SPYM tracks the S&P 500. Over the year to Oct 9, 2026 it returned +17.3% with distributions reinvested, against +17.3% for its benchmark, the S&P 500 Index ?. The prospectus expense ratio is 0.02% a year. By its holdings published by its issuer for Oct 8, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 39.0%.

Questions people ask

Which returned more over the last year, DFSU or SPYM?
In the year to Oct 9, 2026, with distributions reinvested, DFSU returned +14.0% and SPYM +17.3%.
Which is cheaper, DFSU or SPYM?
SPYM is cheaper, by 0.13 percentage points a year. That is about $13 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do DFSU and SPYM overlap with the S&P 500?
By their latest filed holdings, 81% of DFSU and 100% of SPYM by weight is stocks the S&P 500 already holds.
Other comparisons
DFSU vs VIGDFSU vs ITOTDFSU vs SCHXDFSU vs VVSFLR vs SPYMIWL vs SPYMQDF vs SPYMFLQL vs SPYM
DFSU on its own →SPYM 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 ↗SPYM filings on SEC EDGAR ↗SPYM prospectus with the expense ratio (SEC) ↗State Street website ↗

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 SPYM, data as of Oct 9, 2026. https://etfiq.com/compare/any/dfsu-vs-spym

Open data

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