Data as of Oct 28, 2026.
IBB vs IJR: Differences, Returns & Fees
Over the year to Oct 28, 2026, IBB returned +37.5% to IJR's +17.5%, and IJR charges 0.06% to IBB's 0.44%.
askIQ about this page
askIQ about IBB and IJRNet assets on Oct 27, 2026: $11.0bn for iShares Biotechnology ETF and $104.6bn for iShares Core S&P Small-Cap ETF.
Pair scorecard
IJR costs 0.38 points a year less; their one-year returns differ by 20.0 points; IJR is 9.5 times larger.
| Measure | IBB | IJR |
|---|---|---|
| Return | ||
| Total return, 1 year | +37.5% | +17.5% |
| Drawdown | ||
| Below its high | 6.8%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | Biotech | S&P SmallCap 600 |
| Cost and size | ||
| Expense ratio | 0.44% | 0.06% |
| Net assets, as of Oct 27, 2026 | $11.0bn | $104.6bn |
| Active share vs the S&P 500 | 99% | |
| Holdings | ||
| Holdings in common | 3% | |
| Top ten holdings, share of the fund | 50% | 5.3% |
Holdings in common uses holdings dated Oct 27, 2026. Method
What they share
By the books each fund has filed, IBB and IJR hold 3% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
3% in common
Only in one fund ↓
Side by side
IBB and IJR on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IBB
By weight, 40% of IBB's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 50% of the fund across 245 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +37.5% with distributions reinvested.
IJR
IJR tracks the S&P SmallCap 600. Over the year to Oct 28, 2026 it returned +17.5% with distributions reinvested, against +17.6% for its benchmark, the S&P SmallCap 600. The prospectus expense ratio is 0.06% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 642 positions, with the top ten at 5.3%. It sat 6.8% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Are IBB and IJR in the same category?
- IBB is a thematic ETF and IJR is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, IBB or IJR?
- In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and IJR +17.5%.
- Which is cheaper, IBB or IJR?
- IJR is cheaper, by 0.38 percentage points a year. That is about $38 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IBB against IJR, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-ijr
ETFIQ. (Oct 28, 2026). IBB against IJR. Retrieved from https://etfiq.com/compare/any/ibb-vs-ijr
[IBB against IJR (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/ibb-vs-ijr)
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