Get the weekly note

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

AGG vs VO: how they differ

AGG is a bond index fund and VO an equity index fund, and over the year VO returned more, +12.0% against −0.7%.

iShares Core U.S. Aggregate Bond ETF and Vanguard Mid-Cap Index Fund.

AGG and VO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
AGG
iShares Core U.S. Aggregate Bond ETF
VO
Vanguard Mid-Cap Index Fund
Where it sitsCore index fundCore index fund
IssueriSharesVanguard
What it isUS aggregate bondsMid-Cap
Total return, 1 year−0.7%+12.0%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−18.2 pts−5.5 pts
Expense ratio0.03%0.03%
Holdingsnot filed282

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.

VO in plain words

VO is an index equity fund tracking the Mid-Cap. Over the year to Sep 11, 2026 it returned +12.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Jun 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 282 positions, with the top ten at 9.6%. It sat 4.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, AGG or VO?
In the year to Sep 12, 2026, with distributions reinvested, AGG returned −0.7% and VO returned +12.0%, so VO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, AGG or VO?
AGG charges 0.03% a year and VO charges 0.03%, so AGG is cheaper. Fees come from each fund's prospectus.

Other comparisons

Where to next

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.

AGG against VO, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, AGG against VO, data as of Sep 12, 2026. https://etfiq.com/compare/any/AGG-VO Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources