IDU vs IWB ETF Comparison
iShares US Utilities ETF (IDU): U.S. utility sector stocks. iShares Russell 1000 ETF (IWB): Russell 1000 index.
52% of IDU is its ten largest holdings.
34% of IWB is its ten largest holdings.
100% of IDU is already inside IWB.
3% of IWB is already inside IDU.
Overlap by weight: 2.6%.
As of July 2026, ETF Copilot compares IDU vs IWB on Value, Growth, Quality, and Risk.
Updated July 2026
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