Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
BOND vs IBB: how they differ
BOND and IBB hold 0% of their weight in the same names, and IBB returned more over the year.
PIMCO Active Bond Exchange-Traded Fund and iShares Biotechnology ETF.
What they hold in common
By the books each fund has filed, BOND and IBB hold 0% of their money in the same securities at the same weight.
| Only in BOND | Only in IBB |
|---|---|
| UMBS, TBA 4.80% | Vertex Pharmaceuticals, Inc. 8.09% |
| PIMCO Mortgage-Backed Securities Active 3.52% | Amgen, Inc. 7.84% |
| UMBS, TBA 2.98% | Gilead Sciences, Inc. 6.85% |
| United States Treasury 2.93% | Regeneron Pharmaceuticals, Inc. 4.91% |
| UMBS, TBA 2.36% | Argenx SE 3.76% |
| United States Treasury 2.22% | Alnylam Pharmaceuticals, Inc. 3.12% |
| UMBS, TBA 2.19% | Natera, Inc. 2.89% |
| UMBS, TBA 1.96% | 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.
| BOND PIMCO Active Bond Exchange-Traded Fund | IBB iShares Biotechnology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | PIMCO | iShares |
| What it is | Active Bond Exchange-Traded | Biotechnology |
| Total return, 1 year | −0.1% | +41.5% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.6 pts | +24.0 pts |
| Expense ratio | 0.54% | 0.44% |
| Holdings | 1565 | 248 |
BOND in plain words
BOND is a bond fund tracking the Active Bond Exchange-Traded. Over the year to Sep 11, 2026 it returned −0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.54% a year. It sat 3.3% below its high of Feb 27, 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, BOND or IBB?
- In the year to Sep 12, 2026, with distributions reinvested, BOND returned −0.1% and IBB returned +41.5%, so IBB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, BOND or IBB?
- BOND charges 0.54% 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, BOND against IBB, data as of Sep 12, 2026. https://etfiq.com/compare/any/BOND-IBB Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources