Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IBB vs IJT: how they differ
IBB and IJT hold 3% of their weight in the same names, and IBB returned more over the year.
iShares Biotechnology ETF and iShares S&P Small-Cap 600 Growth ETF.
What they hold in common
By the books each fund has filed, IBB and IJT hold 3% of their money in the same securities at the same weight.
| Holding | IBB | IJT |
|---|---|---|
| PROTAGONIST THERAPEUTICS | 0.66% | 1.03% |
| ALKERMES | 0.56% | 0.91% |
| PTC THERAPEUTICS | 0.40% | 0.66% |
| ACADIA PHARMACEUTICALS | 0.35% | 0.41% |
| VERACYTE | 0.24% | 0.40% |
| ADMA BIOLOGICS | 0.16% | 0.26% |
| ARCUS BIOSCIENCES | 0.16% | 0.17% |
| SAREPTA THERAPEUTICS | 0.15% | 0.16% |
| VERICEL | 0.14% | 0.23% |
| BLK CSH FND TREASURY SL AGENCY | 0.12% | 0.76% |
| VIR BIOTECHNOLOGY | 0.10% | 0.06% |
| USD CASH | 0.05% | 0.02% |
| Only in IBB | Only in IJT |
|---|---|
| VERTEX PHARMACEUTICALS 7.94% | CORCEPT THERAPEUTICS 1.29% |
| AMGEN INC 7.85% | VIASAT INC 1.19% |
| GILEAD SCIENCES 7.44% | BRINKER INTERNATIONAL INC 1.09% |
| REGENERON PHARMACEUTICALS 5.92% | FORMFACTOR INC 1.03% |
| ARGENX SE ADR 3.78% | RYMAN HOSPITALITY PROPERTIES REIT 0.98% |
| MODERNA 3.67% | STONEX GROUP INC 0.87% |
| NATERA 3.30% | TG THERAPEUTICS 0.86% |
| REVOLUTION MEDICINES 2.87% | MADISON SQUARE GARDEN SPORTS CLASS 0.83% |
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.
| IBB iShares Biotechnology ETF | IJT iShares S&P Small-Cap 600 Growth ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Biotechnology | S&P Small-Cap 600 Growth |
| Total return, 1 year | +41.5% | +17.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +24.0 pts | +0.1 pts |
| Expense ratio | 0.44% | 0.18% |
| Already in the S&P 500 | 35.6% | 0.0% |
| Holdings | 233 | 355 |
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.
IJT in plain words
IJT is an index equity fund tracking the S&P Small-Cap 600 Growth. Over the year to Sep 11, 2026 it returned +17.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.18% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 355 positions, with the top ten at 10.1%. It sat 7.0% below its high of Aug 4, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IBB or IJT?
- In the year to Sep 13, 2026, with distributions reinvested, IBB returned +41.5% and IJT returned +17.6%, so IBB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IBB or IJT?
- IBB charges 0.44% a year and IJT charges 0.18%, so IJT is cheaper. Fees come from each fund's prospectus.
- How much do IBB and IJT overlap with the S&P 500?
- By their latest filed holdings, 36% of IBB and 0% of IJT by weight is stocks the S&P 500 already holds. Between the two funds, 3% of their books are the same securities at the same weight.
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, IBB against IJT, data as of Sep 13, 2026. https://etfiq.com/compare/any/ibb-vs-ijt Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources