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

In the year to Sep 12, 2026, with distributions reinvested, DIA returned +15.6% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.

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

ETFIQetfiq.com · independent ETF data

DIA vs IBB: how they differ

DIA and IBB are both equity index funds, and over the year IBB returned more, +41.5% against +15.6%.

SPDR Dow Jones Industrial Average ETF Trust and iShares Biotechnology ETF.

DIA and IBB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	DIA SPDR Dow Jones Industrial Average ETF Trust	IBB iShares Biotechnology ETF
Where it sits	Core index fund	Core index fund
Issuer	State Street	iShares
What it is	Dow Jones Industrial Average	Biotechnology
Total return, 1 year	+15.6%	+41.5%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−1.9 pts	+24.0 pts
Expense ratio	not published	0.44%
Holdings	not filed	248

DIA in plain words

DIA is an index equity fund tracking the Dow Jones Industrial Average. Over the year to Sep 11, 2026 it returned +15.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. It sat 3.1% below its high of Aug 5, 2026 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, DIA or IBB?: In the year to Sep 12, 2026, with distributions reinvested, DIA returned +15.6% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.

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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.

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

A comparison is not a recommendation. Standards and sources