Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
AGG vs VOX: how they differ
AGG is a bond index fund and VOX an equity index fund, and over the year VOX returned more, +2.9% against −0.7%.
iShares Core U.S. Aggregate Bond ETF and Vanguard Communication Services Index Fund.
| AGG iShares Core U.S. Aggregate Bond ETF | VOX Vanguard Communication Services Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | US aggregate bonds | Communication Services |
| Total return, 1 year | −0.7% | +2.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −18.2 pts | −14.6 pts |
| Expense ratio | 0.03% | 0.09% |
| Holdings | not filed | 114 |
AGG in plain words
AGG is a bond fund tracking the US aggregate bonds. Over the year to Sep 11, 2026 it returned −0.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. It sat 3.7% below its high of Aug 4, 2020 on Sep 11, 2026.
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, AGG or VOX?
- In the year to Sep 12, 2026, with distributions reinvested, AGG returned −0.7% and VOX returned +2.9%, so VOX returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, AGG or VOX?
- AGG charges 0.03% a year and VOX charges 0.09%, so AGG is cheaper. Fees come from each fund's prospectus.
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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, AGG against VOX, data as of Sep 12, 2026. https://etfiq.com/compare/any/AGG-VOX Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources