Which returned more over the last year, IEF or VO?

In the year to Sep 12, 2026, with distributions reinvested, IEF returned −2.7% and VO returned +12.0%, so VO returned more. One year is one year; the longer windows are in the table.

Which is cheaper, IEF or VO?

IEF charges 0.15% a year and VO charges 0.03%, so VO is cheaper. Fees come from each fund's prospectus.

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

ETFIQetfiq.com · independent ETF data

IEF vs VO: how they differ

IEF and VO hold 0% of their weight in the same names, and VO returned more over the year.

iShares 7-10 Year Treasury Bond ETF and Vanguard Mid-Cap Index Fund.

What they hold in common

By the books each fund has filed, IEF and VO hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in IEF	Only in VO
United States of America 9.71%	Vertiv Holdings Co 1.23%
United States of America 8.94%	Western Digital Corp 1.07%
United States of America 8.91%	Seagate Technology Holdings PLC 1.05%
United States of America 8.89%	Quanta Services Inc 1.05%
United States of America 8.87%	Howmet Aerospace Inc 1.04%
United States of America 8.79%	Cummins Inc 0.95%
United States of America 8.69%	Datadog Inc 0.84%
United States of America 8.46%	Bloom Energy Corp 0.79%

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 Jun 30, 2026 and May 31, 2026.

IEF and VO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IEF iShares 7-10 Year Treasury Bond ETF	VO Vanguard Mid-Cap Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	7-10 Year Treasury Bond	Mid-Cap
Total return, 1 year	−2.7%	+12.0%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−20.2 pts	−5.5 pts
Expense ratio	0.15%	0.03%
Holdings	15	282

IEF in plain words

IEF is a bond fund tracking the 7-10 Year Treasury Bond. Over the year to Sep 11, 2026 it returned −2.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. It sat 13.3% 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. The prospectus expense ratio is 0.03% a year. 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, IEF or VO?: In the year to Sep 12, 2026, with distributions reinvested, IEF returned −2.7% and VO returned +12.0%, so VO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IEF or VO?: IEF charges 0.15% a year and VO charges 0.03%, so VO 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.

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

A comparison is not a recommendation. Standards and sources