iShares Biotechnology ETF (IBB:NASDAQ) closed at $207.74 on October 23, 2026, down 0.86% on the day. The stock trades 4.3% below its 52-week high of $217.12 and 34.4% above its 52-week low of $154.62. iShares Biotechnology ETF is part of the Miscellaneous sector.
In 252 trading sessions since October 23, 2025, IBB closed higher on 136 days (54%). Its best day was August 19, 2026 (+6.58%) and its worst was June 2, 2026 (-3.01%). It never moved 10% or more in a single session.
The investment seeks to track the investment results of the NASDAQ Biotechnology Index, which contains securities of companies listed on NASDAQ that are classified according to the Industry Classification Benchmark as either biotechnology or pharmaceuticals and that also meet other eligibility criteria determined by Nasdaq, Inc. The fund generally invests at least 90% of its assets in securities of the index and in depositary receipts representing securities of the index. It may invest the remainder of its assets in certain futures, options and swap contracts, cash and cash equivalents. It is non-diversified.
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Based on end-of-day data. For information only, not investment advice.