Data as of Oct 28, 2026.
IBB vs XOVR: Differences, Returns & Fees
Over the year to Oct 28, 2026, IBB returned +37.5% to XOVR's −3.0%, and IBB charges 0.44% to XOVR's 1.81%.
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Net assets: $11.0bn on Oct 27, 2026 for iShares Biotechnology ETF, and $2.2bn on Jun 30, 2026 for ERShares Private-Public Crossover ETF.
Pair scorecard
IBB costs 1.37 points a year less; their one-year returns differ by 40.5 points.
| Measure | IBB | XOVR |
|---|---|---|
| Return | ||
| Total return, 1 year | +37.5% | −3.0% |
| Drawdown | ||
| Below its high | 6.5%, high on Oct 5, 2026 | |
| Benchmark | ||
| What it tracks | Biotech | No index, actively managed |
| Cost and size | ||
| Expense ratio | 0.44% | 1.81% |
| Net assets, IBB as of Oct 27, 2026 and XOVR as of Jun 30, 2026 | $11.0bn | $2.2bn |
| Active share vs the S&P 500 | 99% | |
| Holdings | ||
| Holdings in common | 6% | |
| Top ten holdings, share of the fund | 50% | 63.1% |
Holdings in common uses holdings dated Jun 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, IBB and XOVR hold 6% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Oct 27, 2026.
half
6% in common
Only in one fund ↓
Side by side
IBB and XOVR 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.
XOVR
XOVR is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned −3.0% with distributions reinvested. The prospectus expense ratio is 1.81% a year. By its holdings filed for Jun 30, 2026, 43% of the fund by weight is stocks the S&P 500 also holds, across 32 positions, with the top ten at 63.1%. It sat 6.5% below its high of Oct 5, 2026 on Oct 28, 2026.
Questions people ask
- Are IBB and XOVR in the same category?
- IBB is a thematic ETF and XOVR 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 XOVR?
- In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and XOVR −3.0%.
- Which is cheaper, IBB or XOVR?
- IBB is cheaper, by 1.37 percentage points a year. That is about $137 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 XOVR, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-xovr
ETFIQ. (Oct 28, 2026). IBB against XOVR. Retrieved from https://etfiq.com/compare/any/ibb-vs-xovr
[IBB against XOVR (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/ibb-vs-xovr)
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