Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
ITOT vs IWM: how they differ
ITOT and IWM hold 3% of their weight in the same names, and IWM returned more over the year.
iShares Core S&P Total U.S. Stock Market ETF and iShares Russell 2000 ETF.
What they hold in common
By the books each fund has filed, ITOT and IWM hold 3% of their money in the same securities at the same weight.
| Holding | ITOT | IWM |
|---|---|---|
| USD CASH | 0.09% | 0.17% |
| BLK CSH FND TREASURY SL AGENCY | 0.07% | 0.29% |
| 10X GENOMICS CLASS A | 0.01% | 0.26% |
| AAR | 0.01% | 0.16% |
| ABERCROMBIE AND FITCH CLASS A | 0.01% | 0.21% |
| ACADEMY SPORTS AND OUTDOORS | 0.01% | 0.12% |
| ACI WORLDWIDE | 0.01% | 0.18% |
| ACM RESEARCH CLASS A | 0.01% | 0.13% |
| ALKERMES | 0.01% | 0.25% |
| AMERICAN STATES WATER | 0.01% | 0.11% |
| AMERIS BANCORP | 0.01% | 0.19% |
| APPLE HOSPITALITY REIT INC | 0.01% | 0.11% |
| Only in ITOT | Only in IWM |
|---|---|
| NVIDIA 7.32% | JFROG 0.32% |
| APPLE 6.63% | SSR MINING 0.26% |
| MICROSOFT 5.06% | XENON PHARMACEUTICALS 0.19% |
| AMAZON.COM INC 3.41% | GOLAR LNG 0.17% |
| ALPHABET CLASS A 2.70% | GARRETT MOTION 0.16% |
| BROADCOM INC 2.37% | BROOKFIELD INFRASTRUCTURE CORP CLA 0.15% |
| ALPHABET CLASS C 2.16% | MAREX GROUP LTD 0.15% |
| META PLATFORMS CLASS A 1.96% | FIRST BANCORP 0.14% |
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.
| ITOT iShares Core S&P Total U.S. Stock Market ETF | IWM iShares Russell 2000 ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Core S&P Total U.S. Stock Market | Russell 2000 |
| Total return, 1 year | +17.2% | +21.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.3 pts | +3.7 pts |
| Expense ratio | 0.03% | 0.19% |
| Already in the S&P 500 | 88.3% | 0.0% |
| Holdings | 1167 | 1749 |
ITOT in plain words
ITOT is an index equity fund tracking the Core S&P Total U.S. Stock Market. Over the year to Sep 11, 2026 it returned +17.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Sep 10, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 1167 positions, with the top ten at 34.6%.
IWM in plain words
IWM is an index equity fund tracking the Russell 2000. Over the year to Sep 11, 2026 it returned +21.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.19% 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 1749 positions, with the top ten at 3.2%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, ITOT or IWM?
- In the year to Sep 13, 2026, with distributions reinvested, ITOT returned +17.2% and IWM returned +21.2%, so IWM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, ITOT or IWM?
- ITOT charges 0.03% a year and IWM charges 0.19%, so ITOT is cheaper. Fees come from each fund's prospectus.
- How much do ITOT and IWM overlap with the S&P 500?
- By their latest filed holdings, 88% of ITOT and 0% of IWM by weight is stocks the S&P 500 already holds. Between the two funds, 3% 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, ITOT against IWM, data as of Sep 13, 2026. https://etfiq.com/compare/any/itot-vs-iwm Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources