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IBB · iShares Biotechnology ETF
Over the last 15 years (2011-10 to 2026-10), $10,000 invested in IBB with dividends reinvested grew to $68,960, 13.66% a year, with a worst peak-to-trough fall of -33.61%. Past performance doesn't predict future results.
Growth of $10,000 · 2011-10 to 2026-10 · dividends reinvested
How IBB held up in past market crashes
IBB has been through 4 of the market crashes since 2000 in our data. Its deepest price fall was 34.6% in the 2008 financial crisis, when the S&P 500 fell 56.5%. It took 12 months from the bottom to get back to its high. No fund is safe from losses; past falls do not predict future ones.
| Crash | IBB deepest fall | S&P 500 (SPY) | Peak to bottom | Back to peak |
|---|---|---|---|---|
| 2008 financial crisis | -34.6% | -56.5% | Aug 2008 to Mar 2009 | 12 months |
| 2018 fourth-quarter selloff | -26.5% | -20.2% | Sep 2018 to Dec 2018 | 12 months |
| 2020 COVID crash | -23.6% | -34.1% | Feb 2020 to Mar 2020 | 1 months |
| 2022 bear market | -30.6% | -25.4% | Jan 2022 to Jun 2022 | 3.3 years |
Price declines in the fund's listing currency, dividends not included, inside each crash's S&P 500 peak-to-bottom window. See how 50 popular ETFs compare in the crash study.
About IBB
iShares Biotechnology ETF is an exchange-traded fund that provides broad exposure to U.S.-listed biotechnology companies. The fund is designed to track a biotechnology-focused index and typically holds a diversified basket of large, mid, and smaller biotechnology names, along with select life sciences tools and services companies that support drug discovery and research.
Fund description from our market-data provider.
Put IBB to the test
Every tool below opens prefilled with IBB: free, no account needed.
Backtest IBB →
Full history, any date range, benchmarks, drawdowns, rolling returns.
Would IBB survive 2008? →
What actually happened to it in the crisis: real drawdown and recovery.
Project it forward →
Monte Carlo simulation of where it could go from here.
Compare IBB vs VTI →
Side by side with the total US market: returns, drawdowns and volatility over their shared history.
Replay $100/mo into IBB →
Animated growth of steady monthly contributions.
Fundamentals →
Holdings-level financials where available.
Educational use only, not investment advice. Results are hypothetical.Read full disclaimer
This tool is for educational and informational purposes only and does not provide financial, investment, tax, legal, or accounting advice. Results are hypothetical and based on historical data and assumptions that may be inaccurate. Past performance does not guarantee future results. Consult a licensed professional before making investment decisions.