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

ETFIQetfiq.com · independent ETF data

BND vs IBB: how they differ

BND is a bond index fund and IBB an equity index fund, and over the year IBB returned more, +41.5% against −0.7%.

Vanguard Total Bond Market Index Fund and iShares Biotechnology ETF.

BND and IBB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
BND
Vanguard Total Bond Market Index Fund
IBB
iShares Biotechnology ETF
Where it sitsCore index fundCore index fund
IssuerVanguardiShares
What it isUS aggregate bondsBiotechnology
Total return, 1 year−0.7%+41.5%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−18.2 pts+24.0 pts
Expense ratio0.03%0.44%
Holdingsnot filed248

BND in plain words

BND 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 3.8% below its high of Aug 6, 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, BND or IBB?
In the year to Sep 12, 2026, with distributions reinvested, BND returned −0.7% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, BND or IBB?
BND charges 0.03% a year and IBB charges 0.44%, so BND 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.

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

A comparison is not a recommendation. Standards and sources