Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IUSB vs VTI: how they differ
IUSB and VTI hold 0% of their weight in the same names, and VTI returned more over the year.
iShares Core Universal USD Bond ETF and Vanguard Total Stock Market Index Fund.
What they hold in common
By the books each fund has filed, IUSB and VTI hold 0% of their money in the same securities at the same weight.
| Only in IUSB | Only in VTI |
|---|---|
| United States of America 0.38% | NVIDIA Corp 6.37% |
| United States of America 0.37% | Apple Inc 5.88% |
| United States of America 0.37% | Microsoft Corp 3.84% |
| United States of America 0.37% | Amazon.com Inc 3.19% |
| United States of America 0.36% | Alphabet Inc 2.90% |
| United States of America 0.36% | Broadcom Inc 2.48% |
| United States of America 0.36% | Alphabet Inc 2.29% |
| United States of America 0.35% | Micron Technology Inc 1.80% |
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.
| IUSB iShares Core Universal USD Bond ETF | VTI Vanguard Total Stock Market Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Core Universal USD Bond | US total market |
| Total return, 1 year | −0.3% | +17.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.8 pts | −0.3 pts |
| Expense ratio | 0.06% | 0.03% |
| Holdings | 17819 | 3531 |
IUSB in plain words
IUSB is a bond fund tracking the Core Universal USD Bond. Over the year to Sep 11, 2026 it returned −0.3% 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.
VTI in plain words
VTI is an index equity fund tracking the US total 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 Jun 30, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 3531 positions, with the top ten at 32.1%.
Questions people ask
- Which returned more over the last year, IUSB or VTI?
- In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and VTI returned +17.2%, so VTI returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IUSB or VTI?
- IUSB charges 0.06% a year and VTI charges 0.03%, so VTI is cheaper. Fees come from each fund's prospectus.
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, IUSB against VTI, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-VTI Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources