Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IJR vs IWB: how they differ
IJR and IWB hold 1% of their weight in the same names, and IJR returned more over the year.
iShares Core S&P Small-Cap ETF and iShares Russell 1000 ETF.
What they hold in common
By the books each fund has filed, IJR and IWB hold 1% of their money in the same securities at the same weight.
| Holding | IJR | IWB |
|---|---|---|
| BLK CSH FND TREASURY SL AGENCY | 1.94% | 0.08% |
| USD CASH | 0.08% | 0.09% |
| CORCEPT THERAPEUTICS | 0.62% | 0.02% |
| ADT INC | 0.23% | 0.01% |
| ARMSTRONG WORLD INDUSTRIES | 0.40% | 0.01% |
| CAESARS ENTERTAINMENT INC | 0.34% | 0.01% |
| CAMPBELL SOUP | 0.23% | 0.01% |
| CARMAX INC | 0.49% | 0.01% |
| CELANESE CORP | 0.29% | 0.01% |
| CLEARWAY ENERGY INC CLASS C | 0.22% | 0.01% |
| CONAGRA BRANDS | 0.40% | 0.01% |
| EASTMAN CHEMICAL | 0.45% | 0.01% |
| Only in IJR | Only in IWB |
|---|---|
| VIASAT INC 0.57% | NVIDIA 7.26% |
| GLAUKOS 0.57% | APPLE 6.73% |
| BRINKER INTERNATIONAL INC 0.52% | MICROSOFT 5.21% |
| PROTAGONIST THERAPEUTICS 0.50% | AMAZON.COM INC 3.49% |
| SM ENERGY 0.49% | ALPHABET CLASS A 2.77% |
| RYMAN HOSPITALITY PROPERTIES REIT 0.47% | BROADCOM INC 2.40% |
| ALKERMES 0.44% | ALPHABET CLASS C 2.24% |
| STONEX GROUP INC 0.42% | META PLATFORMS CLASS A 2.02% |
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.
| IJR iShares Core S&P Small-Cap ETF | IWB iShares Russell 1000 ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | S&P SmallCap 600 | Russell 1000 |
| Total return, 1 year | +19.9% | +16.7% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +2.4 pts | −0.8 pts |
| Expense ratio | 0.06% | 0.15% |
| Already in the S&P 500 | 0.0% | 91.9% |
| Holdings | 608 | 945 |
IJR in plain words
IJR is an index equity fund tracking the S&P SmallCap 600. Over the year to Sep 11, 2026 it returned +19.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 608 positions, with the top ten at 6.8%. It sat 5.5% below its high of Aug 14, 2026 on Sep 11, 2026.
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%.
Questions people ask
- Which returned more over the last year, IJR or IWB?
- In the year to Sep 13, 2026, with distributions reinvested, IJR returned +19.9% and IWB returned +16.7%, so IJR returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IJR or IWB?
- IJR charges 0.06% a year and IWB charges 0.15%, so IJR is cheaper. Fees come from each fund's prospectus.
- How much do IJR and IWB overlap with the S&P 500?
- By their latest filed holdings, 0% of IJR and 92% of IWB by weight is stocks the S&P 500 already holds. Between the two funds, 1% of their books are the same securities at the same weight.
Other comparisons
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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, IJR against IWB, data as of Sep 13, 2026. https://etfiq.com/compare/any/ijr-vs-iwb Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources