iShares Biotechnology ETF (IBB) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 1 252 sessions, September 24, 2025 to September 24, 2026
- Largest daily move
- +6.6% close of August 19, 2026
- 1-year change
- +47.7% closing prices, September 24, 2025 to September 24, 2026
- 5-year change
- +22.7% closing prices, September 24, 2021 to September 24, 2026
Company Description
IBB has gained 47.7% over the past year. The last closing price was $209.25.
This page collects what Stock Titan holds for IBB, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
iShares Biotechnology ETF (IBB) closed at $209.25 on September 24, 2026. Over the past 12 months, the price has gained 47.7%.
IBB Metrics & Rankings
Price returns through September 24, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
iShares Biotechnology ETF has 2 recent news articles. Of the recent coverage, 2 articles coincided with positive price movement and 0 with negative movement. View all IBB news →
SEC Filings
iShares Biotechnology ETF has filed 1 recent SEC filing, including 1 Form 13F-NT. The most recent filing was submitted on August 12, 2025. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all IBB SEC filings →
Financial Highlights
Upcoming Events
Short Interest History
Short interest in iShares Biotechnology ETF (IBB) currently stands at 11.0 million shares, up 5.2% from the previous reporting period, representing 21.4% of the shares outstanding. Since September 2025, short interest has decreased by 12.5%. The 6.6 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for iShares Biotechnology ETF (IBB) currently stands at 6.6 days, down 9.9% from the previous period. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The ratio has shown significant volatility over the period, ranging from 4.1 to 9.7 days.