Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs VT: how they differ
IWB and VT hold 59% of their weight in the same names, and VT returned more over the year.
iShares Russell 1000 ETF and Vanguard Total World Stock Index Fund.
What they hold in common
By the books each fund has filed, IWB and VT hold 59% of their money in the same securities at the same weight.
| Holding | IWB | VT |
|---|---|---|
| NVIDIA CORPORATION | 6.73% | 4.22% |
| APPLE INC. | 6.03% | 3.53% |
| MICROSOFT CORPORATION | 4.00% | 2.73% |
| AMAZON.COM, INC. | 3.33% | 2.29% |
| ALPHABET INC. | 3.00% | 2.04% |
| BROADCOM INC. | 2.54% | 1.74% |
| ALPHABET INC. | 2.42% | 1.61% |
| META PLATFORMS, INC. | 1.79% | 1.21% |
| TESLA, INC. | 1.77% | 0.97% |
| JPMORGAN CHASE & CO. | 1.26% | 0.72% |
| BERKSHIRE HATHAWAY INC. | 1.34% | 0.69% |
| ELI LILLY AND COMPANY | 1.38% | 0.68% |
| Only in IWB | Only in VT |
|---|---|
| SPACE EXPLORATION TECHNOLOGIES CORP. 0.13% | Taiwan Semiconductor Manufacturing Co Lt 1.52% |
| HONEYWELL INTERNATIONAL INCORPORATION 0.10% | Samsung Electronics Co Ltd 0.64% |
| HONEYWELL AEROSPACE INC. 0.10% | ASML Holding NV 0.51% |
| ANGLOGOLD ASHANTI PLC 0.06% | SK hynix Inc 0.44% |
| Carnival Corporation Ltd. 0.05% | Tencent Holdings Ltd 0.34% |
| AMCOR PLC 0.03% | HSBC Holdings PLC 0.28% |
| DUPONT DE NEMOURS, INC. 0.03% | Alibaba Group Holding Ltd 0.27% |
| Viking Holdings Ltd 0.03% | AstraZeneca PLC 0.26% |
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 | VT Vanguard Total World Stock Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Russell 1000 | Total World Stock |
| Total return, 1 year | +16.7% | +18.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | +1.4 pts |
| Expense ratio | 0.15% | 0.06% |
| Already in the S&P 500 | 91.9% | 55.2% |
| Holdings | 1024 | 10042 |
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%.
VT in plain words
VT is an index equity fund tracking the Total World Stock. Over the year to Sep 11, 2026 it returned +18.9% 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 Apr 30, 2026, 55% of the fund by weight is stocks the S&P 500 also holds, across 10042 positions, with the top ten at 21.9%.
Questions people ask
- Which returned more over the last year, IWB or VT?
- In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% and VT returned +18.9%, so VT returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or VT?
- IWB charges 0.15% a year and VT charges 0.06%, so VT is cheaper. Fees come from each fund's prospectus.
- How much do IWB and VT overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 55% of VT by weight is stocks the S&P 500 already holds. Between the two funds, 59% 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 VT, data as of Sep 12, 2026. https://etfiq.com/compare/any/IWB-VT Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources