Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs XLB: how they differ
IWB and XLB hold 0% of their weight in the same names, and IWB returned more over the year.
iShares Russell 1000 ETF and State Street(R) Materials Select Sector SPDR(R) ETF.
What they hold in common
By the books each fund has filed, IWB and XLB hold 0% of their money in the same securities at the same weight.
| Only in IWB | Only in XLB |
|---|---|
| NVIDIA 7.26% | LINDE PLC 12.91% |
| APPLE 6.73% | NEWMONT CORP 8.14% |
| MICROSOFT 5.21% | FREEPORT MCMORAN INC 6.19% |
| AMAZON.COM INC 3.49% | CORTEVA INC 5.11% |
| ALPHABET CLASS A 2.77% | AIR PRODUCTS + CHEMICALS INC 4.78% |
| BROADCOM INC 2.40% | ECOLAB INC 4.75% |
| ALPHABET CLASS C 2.24% | SHERWIN WILLIAMS CO/THE 4.70% |
| META PLATFORMS CLASS A 2.02% | NUCOR CORP 4.59% |
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 Sep 10, 2026.
| IWB iShares Russell 1000 ETF | XLB State Street(R) Materials Select Sector SPDR(R) ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | State Street |
| What it is | Russell 1000 | Materials |
| Total return, 1 year | +16.7% | +12.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | −5.5 pts |
| Expense ratio | 0.15% | 0.08% |
| Already in the S&P 500 | 91.9% | 100.0% |
| Holdings | 945 | 27 |
IWB in plain words
IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Sep 10, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 945 positions, with the top ten at 35.2%.
XLB in plain words
XLB is an index equity fund tracking the Materials. 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 0.08% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 27 positions, with the top ten at 59.4%. It sat 5.1% below its high of Aug 26, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IWB or XLB?
- In the year to Sep 13, 2026, with distributions reinvested, IWB returned +16.7% and XLB returned +12.0%, so IWB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or XLB?
- IWB charges 0.15% a year and XLB charges 0.08%, so XLB is cheaper. Fees come from each fund's prospectus.
- How much do IWB and XLB overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 100% of XLB by weight is stocks the S&P 500 already holds. Between the two funds, 0% 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, IWB against XLB, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwb-vs-xlb Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources