Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IBB vs SCHB: how they differ
IBB and SCHB hold 0% of their weight in the same names, and IBB returned more over the year.
iShares Biotechnology ETF and Schwab U.S. Broad Market ETF.
What they hold in common
By the books each fund has filed, IBB and SCHB hold 0% of their money in the same securities at the same weight.
| Only in IBB | Only in SCHB |
|---|---|
| VERTEX PHARMACEUTICALS 7.94% | NVIDIA Corp. 6.64% |
| AMGEN INC 7.85% | Apple, Inc. 5.82% |
| GILEAD SCIENCES 7.44% | Microsoft Corp. 3.80% |
| REGENERON PHARMACEUTICALS 5.92% | Amazon.com, Inc. 3.20% |
| ARGENX SE ADR 3.78% | Alphabet, Inc. 2.87% |
| MODERNA 3.67% | Broadcom, Inc. 2.45% |
| NATERA 3.30% | Alphabet, Inc. 2.29% |
| REVOLUTION MEDICINES 2.87% | Micron Technology, Inc. 1.78% |
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 and Sep 10, 2026.
| IBB iShares Biotechnology ETF | SCHB Schwab U.S. Broad Market ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Schwab |
| What it is | Biotechnology | US broad market |
| Total return, 1 year | +41.5% | +17.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +24.0 pts | −0.3 pts |
| Expense ratio | 0.44% | not published |
| Already in the S&P 500 | 35.6% | 88.3% |
| Holdings | 233 | 2497 |
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.
SCHB in plain words
SCHB is an index equity fund tracking the US broad market. Over the year to Sep 11, 2026 it returned +17.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Jun 30, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2497 positions, with the top ten at 32.2%.
Questions people ask
- Which returned more over the last year, IBB or SCHB?
- In the year to Sep 13, 2026, with distributions reinvested, IBB returned +41.5% and SCHB returned +17.2%, so IBB returned more. One year is one year; the longer windows are in the table.
- How much do IBB and SCHB overlap with the S&P 500?
- By their latest filed holdings, 36% of IBB and 88% of SCHB by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
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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, IBB against SCHB, data as of Sep 13, 2026. https://etfiq.com/compare/any/ibb-vs-schb Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources