- ISIN
- US4642875565
- CUSIP
- 464287556
- Issuer
- iShares
- Inception Date
- Feb 5, 2001
- Region
- North America (U.S.)
- Category
- Health & Biotech Equities
- Leveraged
- 1x (No leverage)
- Index Tracked
- NASDAQ Biotechnology Index
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Multi-Cap
- Asset Class Style
- Growth
- Assets Under Management
- $8B
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
IBB Performance Chart
iShares Nasdaq Biotechnology ETF (IBB) is up 5.0% since the beginning of the year. IBB is currently trading at $177 per share. Investors who bought $1,000 worth of IBB shares 5 years ago would now be looking at an investment worth $1,118.
Loading charts...
Returns By Period
iShares Nasdaq Biotechnology ETF (IBB) has returned 4.97% so far this year and 41.38% over the past 12 months. Over the last ten years, IBB has returned 8.14% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
iShares Nasdaq Biotechnology ETF
- 1D
- 1.94%
- 1M
- 4.88%
- YTD
- 4.97%
- 6M
- 2.54%
- 1Y
- 41.38%
- 3Y*
- 11.58%
- 5Y*
- 2.25%
- 10Y*
- 8.14%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
IBB Monthly Returns History
Based on dividend-adjusted daily data since Feb 12, 2001, IBB's average daily return is +0.04%, while the average monthly return is +0.76%. At this rate, an investment would double in approximately 7.6 years.
Historically, 56% of months were positive and 44% were negative. The best month was Apr 2001 with a return of +19.4%, while the worst month was Mar 2001 at -21.2%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 6 months.
On a daily basis, IBB closed higher 52% of trading days. The best single day was Oct 13, 2008 with a return of +9.9%, while the worst single day was Jul 1, 2002 at -9.0%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.17% | 1.71% | -3.65% | -0.09% | 2.07% | 2.81% | 4.97% | ||||||
| 2025 | 4.88% | -1.18% | -6.58% | -1.03% | -3.84% | 3.94% | 4.94% | 4.11% | 4.51% | 10.40% | 9.07% | -2.81% | 27.98% |
| 2024 | -1.08% | 1.83% | 0.37% | -7.51% | 5.48% | 2.52% | 7.80% | 0.14% | -1.60% | -3.65% | 0.90% | -6.56% | -2.41% |
| 2023 | 4.01% | -6.86% | 1.61% | 1.05% | -3.24% | 0.54% | 1.85% | -0.46% | -4.87% | -7.04% | 6.38% | 12.44% | 3.76% |
| 2022 | -13.60% | -4.39% | 3.45% | -10.48% | 0.02% | 0.85% | 5.48% | -2.11% | -3.57% | 9.94% | 6.17% | -3.77% | -13.69% |
| 2021 | 6.04% | -2.31% | -3.97% | 2.71% | -1.74% | 7.72% | 1.30% | 3.92% | -6.09% | -1.29% | -3.37% | -1.01% | 0.95% |
Benchmark Metrics
iShares Nasdaq Biotechnology ETF has an annualized alpha of 1.86%, beta of 0.95, and R2 of 0.49 versus S&P 500 Index. Calculated based on daily prices since February 12, 2001.
- This ETF captured 107.20% of S&P 500 Index gains and 106.94% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- R2 of 0.49 means the benchmark explains less than half of this ETF's behavior - treat beta with caution or consider switching to a more representative benchmark.
- Alpha
- 1.86%
- Beta
- 0.95
- R²
- 0.49
- Upside Capture
- 107.20%
- Downside Capture
- 106.94%
Expense Ratio
IBB has an expense ratio of 0.47%, placing it in the medium range.
Return for Risk
Risk / Return Rank
IBB ranks 69 for risk / return — better than 69% of ETFs on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares Nasdaq Biotechnology ETF (IBB) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IBB | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.02 | ||
| Sortino ratioReturn per unit of downside risk | +0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.37 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 4.32 | 2.78 | +1.53 |
| Martin ratioReturn relative to average drawdown | 13.28 | 12.44 | +0.84 |
Dividends
Dividend History
iShares Nasdaq Biotechnology ETF provided a 0.23% dividend yield over the last twelve months, with an annual payout of $0.41 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.41 | $0.39 | $0.39 | $0.35 | $0.41 | $0.32 | $0.31 | $0.40 | $0.19 | $0.32 | $0.16 | $0.03 |
Dividend yield | 0.23% | 0.23% | 0.29% | 0.26% | 0.31% | 0.21% | 0.21% | 0.33% | 0.20% | 0.30% | 0.19% | 0.03% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares Nasdaq Biotechnology ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.02 | $0.15 | ||||||
| 2025 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.08 | $0.00 | $0.00 | $0.18 | $0.39 |
| 2024 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.20 | $0.00 | $0.00 | $0.06 | $0.39 |
| 2023 | $0.00 | $0.00 | $0.06 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.15 | $0.00 | $0.00 | $0.12 | $0.35 |
| 2022 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.16 | $0.00 | $0.00 | $0.10 | $0.41 |
| 2021 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.02 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.04 | $0.32 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
Loading charts...
Worst Drawdowns
The table below displays the maximum drawdowns of the iShares Nasdaq Biotechnology ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares Nasdaq Biotechnology ETF was 62.85%, occurring on Jul 10, 2002. Recovery took 2216 trading sessions.
The current iShares Nasdaq Biotechnology ETF drawdown is 0.27%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Dot-com crash2000–2002 | -62.85%Jul 2002 | 1y 1mo | 8y 9mo | 9y 10moJun 2001 - Apr 2011 |
Bear market2022 | -39.82%Jun 2022 | 10mo 10d | 3y 6mo | 4y 5moAug 2021 - Jan 2026 |
2016 bear market2016 | -39.24%Jun 2016 | 11mo 12d | 3y 10mo | 4y 9moJul 2015 - May 2020 |
Dot-com crash2000–2002 | -34.69%Apr 2001 | 1mo 19d | 1mo 19d | 3mo 8dFeb 2001 - May 2001 |
2011 bear market2011 | -22.66%Aug 2011 | 28d | 5mo 5d | 6mo 3dJul 2011 - Jan 2012 |
Drawdown Indicators
| IBB | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.85% | -56.78% | -6.07% |
Max Drawdown (1Y)Largest decline over 1 year | -9.63% | -9.10% | -0.53% |
Max Drawdown (3Y)Largest decline over 3 years | -24.85% | -18.90% | -5.95% |
Max Drawdown (5Y)Largest decline over 5 years | -39.82% | -25.43% | -14.39% |
Max Drawdown (10Y)Largest decline over 10 years | -39.82% | -33.92% | -5.90% |
Current DrawdownCurrent decline from peak | -0.27% | -1.80% | +1.53% |
Average DrawdownAverage peak-to-trough decline | -21.15% | -10.71% | -10.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.12% | 2.03% | +1.09% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with IBB
Add iShares Nasdaq Biotechnology ETF to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with IBB