IBB
iShares Biotechnology ETF
iShares Trust
ETFIndex fund

Allocation breakdown

As of March 31, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of March 31, 2026 · N-PORT

How we map holdings to the sectors above: each holding's issuer carries a U.S. SIC industry code in its EDGAR filer record, and each SIC code rolls up to a sector. Expand a sector to see its industries, and click a SIC code to list this fund's positions in that industry. Bonds and foreign or private issuers with no SEC filer record fall into Unclassified.

Pharmaceutical Preparations 46.79%
Biological Products, (No Diagnostic Substances) 33.13%
Services-Medical Laboratories 3.00%
In Vitro & In Vivo Diagnostic Substances 0.16%
Medicinal Chemicals & Botanical Products 0.15%
Surgical & Medical Instruments & Apparatus 0.15%
Services-Commercial Physical & Biological Research 3.22%
Laboratory Analytical Instruments 2.15%
Services-Computer Programming, Data Processing, Etc. 0.39%
Measuring & Controlling Devices, NEC 0.01%
Industrial Organic Chemicals 0.01%
Unclassified 10.84%

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.