IWB vs SUSL: Differences, Returns & Fees
IWB and SUSL hold 49% of their weight in the same names, and SUSL returned +18.9% over the year. Net assets on Oct 9, 2026: $49.6bn for iShares Russell 1000 ETF and $1.2bn for iShares ESG MSCI USA Leaders ETF.
SUSL costs 0.05 points a year less; their one-year returns differ by 2.3 points; IWB is far larger, $49.6bn against $1.2bn.
| IWB | SUSL | |
|---|---|---|
| Expense ratio | 0.15% | 0.10% |
| Net assets | $49.6bn | $1.2bn |
| Total return, 1 year | +16.6% | +18.9% |
| What it tracks | Russell 1000 Index | MSCI USA Extended ESG Leaders Index |
| Holdings in common | 49% | |
| Top ten holdings, share of the fund | 36.1% | 49.5% |
Holdings in common uses holdings dated Oct 8, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, IWB and SUSL hold 49% 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 8, 2026 and Oct 9, 2026.
half
49% in common
On the same fields
IWB and SUSL on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
IWB in plain words
IWB tracks the Russell 1000. Over the year to Oct 9, 2026 it returned +16.6% with distributions reinvested, against +17.3% for the S&P 500. 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%.
SUSL in plain words
SUSL tracks an index. Over the year to Oct 9, 2026 it returned +18.9% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.10% a year. By its holdings published by its issuer for Oct 8, 2026, 98% of the fund by weight is stocks the S&P 500 also holds, across 251 positions, with the top ten at 49.5%.
Questions people ask
- Which returned more over the last year, IWB or SUSL?
- In the year to Oct 9, 2026, with distributions reinvested, IWB returned +16.6% and SUSL +18.9%.
- Which is cheaper, IWB or SUSL?
- SUSL 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.
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.
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ETFIQ, IWB against SUSL, data as of Oct 9, 2026. https://etfiq.com/compare/any/iwb-vs-susl
ETFIQ. (Oct 9, 2026). IWB against SUSL. Retrieved from https://etfiq.com/compare/any/iwb-vs-susl
[IWB against SUSL (ETFIQ, Oct 9, 2026)](https://etfiq.com/compare/any/iwb-vs-susl)
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