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IWB vs SUSA: Differences, Returns & Fees

IWB and SUSA hold 58% of their weight in the same names, and SUSA returned +17.6% over the year. Net assets on Oct 9, 2026: $49.6bn for iShares Russell 1000 ETF and $4.1bn for iShares ESG Optimized MSCI USA ETF.

IWB costs 0.10 points a year less; their one-year returns differ by 1.0 point; IWB is 12.0 times larger.

IWB vs SUSA: Differences, Returns & Fees
IWBSUSA
Expense ratio0.15%0.25%
Net assets$49.6bn$4.1bn
Total return, 1 year+16.6%+17.6%
What it tracksRussell 1000 IndexMSCI USA Extended ESG Select Index
Holdings in common58%
Top ten holdings, share of the fund36.1%32.7%

Holdings in common uses holdings dated Oct 9, 2026.

+16.6%
IWB total return, 1 year
+17.6%
SUSA total return, 1 year
0.15%
IWB expense ratio
0.25%
SUSA expense ratio

What they hold in common

By the books each fund has filed, IWB and SUSA hold 58% 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 Oct 9, 2026.

half

58% in common

Positions both hold, largest shared weight first
Holding IWB SUSA
NVIDIA 7.44% 7.48%
APPLE 6.77% 6.60%
MICROSOFT 5.53% 4.62%
BROADCOM INC 2.34% 2.59%
ALPHABET CLASS C 2.30% 3.23%
ALPHABET CLASS A 2.85% 1.78%
MICRON TECHNOLOGY 1.61% 1.70%
TESLA INC 1.56% 1.65%
ADVANCED MICRO DEVICES 1.38% 1.65%
ELI LILLY 1.31% 1.40%
VISA CLASS A 0.91% 1.26%
INTEL CORPORATION 0.67% 0.76%
Only in IWB
AMAZON.COM INC 3.54%
META PLATFORMS CLASS A 2.20%
BERKSHIRE HATHAWAY INC CLASS B 1.34%
JPMORGAN CHASE & CO 1.24%
EXXONMOBIL HOLDINGS CORP 0.97%
JOHNSON & JOHNSON 0.88%
ABBVIE 0.68%
WALMART 0.68%
Only in SUSA
MERCADOLIBRE 0.31%
SEAGATE TECHNOLOGY HOLDINGS PLC 0.24%
TE CONNECTIVITY PLC 0.22%
NXP SEMICONDUCTORS NV 0.18%

Check overlap with more funds →

On the same fields

IWB
iShares Russell 1000 ETF
SUSA
iShares ESG Optimized MSCI USA ETF
Where it sits Stock ETF Stock ETF
Issuer iShares iShares
What it is Tracks the Russell 1000 Tracks an index
Total return, 1 year +16.6% +17.6%
Its benchmark over the same days +16.8% (VONE) not published
Gap to its benchmark −0.1 pts vs VONE not available
Expense ratio 0.15% 0.25%
Already in the S&P 500 91.7% 96.3%
Holdings 1025 204
Net assets $49.6bn $4.1bn

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

About IWB

IWB tracks the Russell 1000. Over the year to Oct 9, 2026 it returned +16.6% with distributions reinvested, against +16.8% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 9, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 36.1%.

About SUSA

SUSA tracks an index. Over the year to Oct 9, 2026 it returned +17.6% with distributions reinvested. The prospectus expense ratio is 0.25% a year. By its holdings published by its issuer for Oct 9, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 204 positions, with the top ten at 32.7%.

Questions people ask

Which returned more over the last year, IWB or SUSA?
In the year to Oct 9, 2026, with distributions reinvested, IWB returned +16.6% and SUSA +17.6%.
Which is cheaper, IWB or SUSA?
IWB is cheaper, by 0.10 percentage points a year. That is about $10 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IWB and SUSA overlap with the S&P 500?
By their latest filed holdings, 92% of IWB and 96% of SUSA by weight is stocks the S&P 500 already holds.
Other comparisons
GRNY vs IWBIWB vs MSLCIWB vs QLTYIWB vs LRGFQUAL vs SUSASCHB vs SUSARDVY vs SUSASUSA vs USMV
IWB on its own →SUSA on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
IWB and SUSA filings on SEC EDGAR ↗IWB prospectus with the expense ratio (SEC) ↗iShares page for IWB ↗SUSA prospectus with the expense ratio (SEC) ↗iShares page for SUSA ↗

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, IWB against SUSA, data as of Oct 9, 2026. https://etfiq.com/compare/any/iwb-vs-susa

Open data

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