Which returned more over the last year, EDV or IBB?

In the year to Sep 12, 2026, with distributions reinvested, EDV returned −10.8% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, EDV or IBB?

EDV charges 0.05% a year and IBB charges 0.44%, so EDV 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

EDV vs IBB: how they differ

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

Vanguard Extended Duration Treasury Index Fund and iShares Biotechnology ETF.

What they hold in common

By the books each fund has filed, EDV and IBB 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 EDV	Only in IBB
United States Treasury Strip Coupon 1.82%	Vertex Pharmaceuticals, Inc. 8.09%
United States Treasury Strip Principal 1.76%	Amgen, Inc. 7.84%
United States Treasury Strip Coupon 1.72%	Gilead Sciences, Inc. 6.85%
United States Treasury Strip Principal 1.70%	Regeneron Pharmaceuticals, Inc. 4.91%
United States Treasury Strip Coupon 1.68%	Argenx SE 3.76%
United States Treasury Strip Principal 1.65%	Alnylam Pharmaceuticals, Inc. 3.12%
United States Treasury Strip Coupon 1.60%	Natera, Inc. 2.89%
United States Treasury Strip Principal 1.57%	Revolution Medicines, Inc. 2.78%

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.

EDV and IBB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	EDV Vanguard Extended Duration Treasury Index Fund	IBB iShares Biotechnology ETF
Where it sits	Core index fund	Core index fund
Issuer	Vanguard	iShares
What it is	Extended Duration Treasury	Biotechnology
Total return, 1 year	−10.8%	+41.5%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−28.3 pts	+24.0 pts
Expense ratio	0.05%	0.44%
Holdings	82	248

EDV in plain words

EDV is a bond fund tracking the Extended Duration Treasury. Over the year to Sep 11, 2026 it returned −10.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. It sat 57.3% below its high of Mar 9, 2020 on Sep 11, 2026.

IBB in plain words

IBB is an index equity fund tracking the Biotechnology. Over the year to Sep 11, 2026 it returned +41.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.44% a year. By its holdings filed for Jun 30, 2026, 36% of the fund by weight is stocks the S&P 500 also holds, across 248 positions, with the top ten at 44.8%. It sat 6.5% below its high of Aug 19, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, EDV or IBB?: In the year to Sep 12, 2026, with distributions reinvested, EDV returned −10.8% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, EDV or IBB?: EDV charges 0.05% a year and IBB charges 0.44%, so EDV 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.

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

A comparison is not a recommendation. Standards and sources