Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IUSB vs VOX: how they differ
IUSB and VOX hold 0% of their weight in the same names, and VOX returned more over the year.
iShares Core Universal USD Bond ETF and Vanguard Communication Services Index Fund.
What they hold in common
By the books each fund has filed, IUSB and VOX hold 0% of their money in the same securities at the same weight.
| Only in IUSB | Only in VOX |
|---|---|
| United States of America 0.38% | Meta Platforms Inc 21.12% |
| United States of America 0.37% | Alphabet Inc 16.14% |
| United States of America 0.37% | Alphabet Inc 10.61% |
| United States of America 0.37% | Netflix Inc 4.77% |
| United States of America 0.36% | Verizon Communications Inc 4.17% |
| United States of America 0.36% | Walt Disney Co/The 3.96% |
| United States of America 0.36% | AT&T Inc 3.69% |
| United States of America 0.35% | Warner Bros Discovery Inc 2.74% |
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 May 31, 2026.
| IUSB iShares Core Universal USD Bond ETF | VOX Vanguard Communication Services Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Core Universal USD Bond | Communication Services |
| Total return, 1 year | −0.3% | +2.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.8 pts | −14.6 pts |
| Expense ratio | 0.06% | 0.09% |
| Holdings | 17819 | 114 |
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.
VOX in plain words
VOX is an index equity fund tracking the Communication Services. Over the year to Sep 11, 2026 it returned +2.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for May 31, 2026, 84% of the fund by weight is stocks the S&P 500 also holds, across 114 positions, with the top ten at 72.1%. It sat 4.3% below its high of Jan 29, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IUSB or VOX?
- In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and VOX returned +2.9%, so VOX returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IUSB or VOX?
- IUSB charges 0.06% a year and VOX charges 0.09%, 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 VOX, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-VOX Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources