ATLASiShares Biotechnology ETF (IBB): outlook, holdings and fees
iShares Biotechnology ETF (IBB) is an exchange-traded fund and is managed by iShares. The expense ratio is 0.46% and the yield is 0.16%. The ten largest holdings are 50% of the fund.
Fund data as of Oct 14, 2026 · Price Nov 2, 2026
ATLAS view on IBB
| Last price | $216.26 (-0.6%) |
|---|---|
| ATLAS chance of a higher price in 1 month | 52% |
| Likely 1-month range (50%) | $208.22 – $226.16 |
| Normal 1-day range (±1σ) | ±1.4% |
| Distribution yield | 0.16% |
ATLAS probabilities use the same calibrated model as every stock page. A fair value is shown for companies, not funds; the holdings below link to the fair value of each company.
IBB fund facts
| Issuer | iShares |
|---|---|
| Theme | Technology & innovation |
| Assets under management | $10.8B |
| Expense ratio | 0.46% |
| Number of holdings | 236 |
| Portfolio turnover | 14% |
| Inception | Feb 5, 2001 |
| Exchange | NASDAQ |
The fund generally will invest at least 80% of its assets in the component securities of its underlying index and may invest up to 20% of its assets in certain futures, options and swap contracts, cash and cash equivalents. It is non-diversified.
IBB top holdings
| Holding | Sector | Weight |
|---|---|---|
| Gilead Sciences Inc GILD | Healthcare | 8.28% |
| Amgen Inc AMGN | Healthcare | 7.76% |
| Vertex Pharmaceuticals Inc VRTX | Healthcare | 7.33% |
| Moderna Inc MRNA | Healthcare | 5.96% |
| Regeneron Pharmaceuticals Inc REGN | Healthcare | 5.55% |
| Natera Inc NTRA | Healthcare | 3.95% |
| argenx NV ADR ARGX | Healthcare | 3.42% |
| Illumina Inc ILMN | Healthcare | 3.06% |
| Revolution Medicines Inc RVMD | Healthcare | 2.59% |
| Biogen Inc BIIB | Healthcare | 2.38% |
Holdings with an ATLAS page link to their probability range, fair value and earnings calendar.
IBB sector breakdown
| Sector | Weight |
|---|---|
| Healthcare | 100.0% |
By region: North America 95.2%, Europe Developed 2.9%, United Kingdom 1.6%, Asia Emerging 0.2%.
IBB returns and risk
| Year to date | +23.4% |
|---|---|
| 1 year | +34.4% |
| 3 years (annualised) | +18.9% |
| 5 years (annualised) | +6.4% |
| 10 years (annualised) | +8.1% |
| Volatility (3 years) | 17.6% |
| Sharpe ratio (3 years) | 0.80 |
Past returns do not guarantee future results.
IBB: frequently asked questions
What does IBB invest in?
iShares Biotechnology ETF invests in a portfolio of securities. Its largest holdings are Gilead Sciences Inc (8.3%), Amgen Inc (7.8%), Vertex Pharmaceuticals Inc (7.3%), Moderna Inc (6.0%), Regeneron Pharmaceuticals Inc (5.6%).
What is the IBB expense ratio?
0.46% a year: about $46.00 for every $10,000 invested.
What is the IBB dividend yield?
0.16%. ATLAS does not hold the exact distribution dates for ETFs.
Will IBB go up?
Nobody can know. The ATLAS model puts the chance of a higher price in one month at 52%, with a likely range (50%) of $208.22 to $226.16 from $216.26 today. It is a probability, not a prediction.
How has IBB performed?
Year to date +23.4%, one year +34.4%, three years +18.9% a year, five years +6.4% a year. Past returns do not guarantee future results.
Similar ETFs: Technology & innovation
- Vanguard Information Technology ETF (VGT)
- State Street Technology Select Sector SPDR ETF (XLK)
- iShares U.S. Technology ETF (IYW)
- Fidelity MSCI Information Technology Index ETF (FTEC)
- First Trust Nasdaq Cybersecurity ETF (CIBR)
- iShares Expanded Tech-Software Sector ETF (IGV)
- iShares A.I. Innovation and Tech Active ETF (BAI)
- iShares Expanded Tech Sector ETF (IGM)
Educational information, not investment advice. Disclaimer