Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
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.
| Only in HYG | Only 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 iShares iBoxx $ High Yield Corporate Bond ETF | IBB iShares Biotechnology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | US high yield bonds | Biotechnology |
| 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 ratio | 0.49% | 0.44% |
| Holdings | 1326 | 233 |
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.
Other comparisons
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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.
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