Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IUSB vs VWO: how they differ
IUSB and VWO hold 0% of their weight in the same names, and VWO returned more over the year.
iShares Core Universal USD Bond ETF and Vanguard Emerging Markets Stock Index Fund.
What they hold in common
By the books each fund has filed, IUSB and VWO hold 0% of their money in the same securities at the same weight.
| Holding | IUSB | VWO |
|---|---|---|
| Eregli Demir ve Celik Fabrikalari TAS | 0.00% | 0.02% |
| Riyad Bank | 0.00% | 0.10% |
| Saudi Awwal Bank | 0.00% | 0.08% |
| Aldar Properties PJSC | 0.00% | 0.07% |
| B3 SA - Brasil Bolsa Balcao | 0.00% | 0.17% |
| Banco do Brasil SA | 0.00% | 0.07% |
| Becle SAB de CV | 0.00% | 0.00% |
| Cemex SAB de CV | 0.00% | 0.16% |
| Cia Cervecerias Unidas SA | 0.00% | 0.01% |
| Empresa Nacional de Telecomunicaciones S | 0.00% | 0.01% |
| Falabella SA | 0.00% | 0.04% |
| GCC SAB de CV | 0.00% | 0.02% |
| Only in IUSB | Only in VWO |
|---|---|
| United States of America 0.38% | Taiwan Semiconductor Manufacturing Co Lt 14.73% |
| United States of America 0.37% | Tencent Holdings Ltd 3.28% |
| United States of America 0.37% | Alibaba Group Holding Ltd 2.57% |
| United States of America 0.37% | Delta Electronics Inc 1.18% |
| United States of America 0.36% | MediaTek Inc 1.07% |
| United States of America 0.36% | Reliance Industries Ltd 0.90% |
| United States of America 0.36% | HDFC Bank Ltd 0.81% |
| United States of America 0.35% | Hon Hai Precision Industry Co Ltd 0.75% |
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.
| IUSB iShares Core Universal USD Bond ETF | VWO Vanguard Emerging Markets Stock Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Core Universal USD Bond | Emerging markets |
| Total return, 1 year | −0.3% | +15.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.8 pts | −1.9 pts |
| Expense ratio | 0.06% | 0.06% |
| Holdings | 17819 | 6355 |
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.
VWO in plain words
VWO is an index equity fund tracking the Emerging markets. Over the year to Sep 11, 2026 it returned +15.6% 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, 0% of the fund by weight is stocks the S&P 500 also holds, across 6355 positions, with the top ten at 26.8%.
Questions people ask
- Which returned more over the last year, IUSB or VWO?
- In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and VWO returned +15.6%, so VWO returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IUSB or VWO?
- IUSB charges 0.06% a year and VWO charges 0.06%, so IUSB 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 VWO, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-VWO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources