IWR vs IWB ETF Comparison
iShares Russell Mid-Cap ETF (IWR): Russell Midcap index. iShares Russell 1000 ETF (IWB): Russell 1000 index.
6% of IWR is its ten largest holdings.
34% of IWB is its ten largest holdings.
20% of IWB is already inside IWR.
100% of IWR is already inside IWB.
Overlap by weight: 20.3%.
As of July 2026, ETF Copilot compares IWR vs IWB on Value, Growth, Quality, and Risk.
Updated July 2026
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