Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs USMV: how they differ
IWB and USMV hold 35% of their weight in the same names, and IWB returned more over the year.
iShares Russell 1000 ETF and iShares MSCI USA Min Vol Factor ETF.
What they hold in common
By the books each fund has filed, IWB and USMV hold 35% of their money in the same securities at the same weight.
| Holding | IWB | USMV |
|---|---|---|
| MICROSOFT | 5.21% | 1.56% |
| NVIDIA | 7.26% | 1.54% |
| BERKSHIRE HATHAWAY INC CLASS B | 1.35% | 1.46% |
| EXXONMOBIL HOLDINGS CORP | 0.98% | 1.48% |
| APPLE | 6.73% | 0.95% |
| BROADCOM INC | 2.40% | 0.94% |
| JOHNSON & JOHNSON | 0.92% | 1.49% |
| VISA CLASS A | 0.87% | 1.00% |
| ELI LILLY | 1.28% | 0.76% |
| MICRON TECHNOLOGY | 1.57% | 0.76% |
| ADVANCED MICRO DEVICES | 1.17% | 0.73% |
| WALMART INC | 0.66% | 0.67% |
| Only in IWB | Only in USMV |
|---|---|
| ALPHABET CLASS A 2.77% | WASTE CONNECTIONS 1.19% |
| TESLA INC 1.52% | TE CONNECTIVITY PLC 0.55% |
| JPMORGAN CHASE & CO 1.35% | MERCADOLIBRE 0.39% |
| INTEL CORPORATION 0.65% | SEAGATE TECHNOLOGY HOLDINGS PLC 0.39% |
| BANK OF AMERICA 0.59% | CASH COLLATERAL USD GSCFT 0.01% |
| CATERPILLAR INC 0.52% | |
| GE AEROSPACE 0.48% | |
| GOLDMAN SACHS GROUP 0.42% |
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 | USMV iShares MSCI USA Min Vol Factor ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Russell 1000 | MSCI USA Min Vol Factor |
| Total return, 1 year | +16.7% | +6.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | −10.9 pts |
| Expense ratio | 0.15% | 0.15% |
| Already in the S&P 500 | 91.9% | 94.8% |
| Holdings | 945 | 175 |
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%.
USMV in plain words
USMV is an index equity fund tracking the MSCI USA Min Vol Factor. Over the year to Sep 11, 2026 it returned +6.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Sep 10, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 175 positions, with the top ten at 15.1%.
Questions people ask
- Which returned more over the last year, IWB or USMV?
- In the year to Sep 13, 2026, with distributions reinvested, IWB returned +16.7% and USMV returned +6.6%, so IWB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or USMV?
- IWB charges 0.15% a year and USMV charges 0.15%, so IWB is cheaper. Fees come from each fund's prospectus.
- How much do IWB and USMV overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 95% of USMV by weight is stocks the S&P 500 already holds. Between the two funds, 35% 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, IWB against USMV, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwb-vs-usmv Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources