Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs USMV: how they differ
IWB and USMV hold 32% 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 32% of their money in the same securities at the same weight.
| Holding | IWB | USMV |
|---|---|---|
| NVIDIA CORPORATION | 6.73% | 1.64% |
| MICROSOFT CORPORATION | 4.00% | 1.56% |
| BERKSHIRE HATHAWAY INC. | 1.34% | 1.42% |
| JOHNSON & JOHNSON | 0.88% | 1.44% |
| EXXON MOBIL CORPORATION | 0.82% | 1.60% |
| APPLE INC. | 6.03% | 0.82% |
| VISA INC. | 0.82% | 0.94% |
| WALMART INC. | 0.72% | 0.88% |
| CISCO SYSTEMS, INC. | 0.67% | 1.81% |
| ELI LILLY AND COMPANY | 1.38% | 0.66% |
| ABBVIE INC. | 0.64% | 0.63% |
| MASTERCARD INCORPORATED | 0.60% | 1.15% |
| Only in IWB | Only in USMV |
|---|---|
| ALPHABET INC. 3.00% | WASTE CONNECTIONS, INC. 1.28% |
| TESLA, INC. 1.77% | TE CONNECTIVITY PUBLIC LIMITED COMPANY 0.59% |
| JPMORGAN CHASE & CO. 1.26% | MercadoLibre, Inc. 0.34% |
| INTEL CORPORATION 0.88% | COTERRA ENERGY INC. 0.19% |
| LAM RESEARCH CORPORATION 0.78% | ERIE INDEMNITY COMPANY 0.08% |
| CATERPILLAR INC. 0.70% | |
| KLA CORPORATION 0.57% | |
| GENERAL ELECTRIC COMPANY 0.56% |
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 Apr 30, 2026 and Jun 30, 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 | 1024 | 170 |
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 Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1024 positions, with the top ten at 33.5%.
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 Apr 30, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 170 positions, with the top ten at 15.7%.
Questions people ask
- Which returned more over the last year, IWB or USMV?
- In the year to Sep 12, 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, 32% 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 12, 2026. https://etfiq.com/compare/any/IWB-USMV Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources