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Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

HYG vs IBB: how they differ

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

iShares iBoxx $ High Yield Corporate Bond ETF and iShares Biotechnology ETF.

What they hold in common

By the books each fund has filed, HYG 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 HYGOnly in IBB
BLK CSH FND TREASURY SL AGENCY 0.68%VERTEX PHARMACEUTICALS 7.94%
1261229 BC LTD 144A 0.56%AMGEN INC 7.85%
MERIDIAN ARC HOLDCO LLC 144A 0.47%GILEAD SCIENCES 7.44%
PR RNO PROPERTY OWNER 1 LLC 144A 0.35%REGENERON PHARMACEUTICALS 5.92%
WULF COMPUTE LLC 144A 0.29%ARGENX SE ADR 3.78%
GALAXY HELIOS DATA CENTERS II LLC 144A 0.28%MODERNA 3.67%
PANTHER ESCROW ISSUER LLC 144A 0.28%NATERA 3.30%
SV RNO PROPERTY OWNER 1 LLC 144A 0.28%REVOLUTION MEDICINES 2.87%

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 Sep 10, 2026.

HYG and IBB on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
HYG
iShares iBoxx $ High Yield Corporate Bond ETF
IBB
iShares Biotechnology ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isUS high yield bondsBiotechnology
Total return, 1 year+2.9%+41.5%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−14.6 pts+24.0 pts
Expense ratio0.49%0.44%
Holdings1326233

HYG in plain words

HYG is a bond fund tracking the US high yield bonds. Over the year to Sep 11, 2026 it returned +2.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.49% a year.

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 Sep 10, 2026, 36% of the fund by weight is stocks the S&P 500 also holds, across 233 positions, with the top ten at 47.5%. 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, HYG or IBB?
In the year to Sep 13, 2026, with distributions reinvested, HYG returned +2.9% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, HYG or IBB?
HYG charges 0.49% a year and IBB charges 0.44%, so IBB 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.

HYG against IBB, ETFIQ, data as of Sep 13, 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, HYG against IBB, data as of Sep 13, 2026. https://etfiq.com/compare/any/hyg-vs-ibb Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources