IDU
iShares U.S. Utilities ETF
iShares Trust
ETFIndex fund

Allocation breakdown

As of January 31, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of January 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.

Electric Services 52.45%
Electric & Other Services Combined 28.14%
Refuse Systems 8.06%
Water Supply 2.31%
Natural Gas Distribution 2.19%
Hazardous Waste Management 0.84%
Cogeneration Services & Small Power Producers 0.67%
Gas & Other Services Combined 0.55%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 0.27%
Unclassified 4.53%

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