RECS vs IWB ETF Comparison

Columbia Research Enhanced Core ETF (RECS): U.S. large- and mid-cap enhanced. iShares Russell 1000 ETF (IWB): Russell 1000 index.

40% of RECS is its ten largest holdings.

34% of IWB is its ten largest holdings.

37% of IWB is already inside RECS.

97% of RECS is already inside IWB.

Overlap by weight: 37.3%.

As of August 2026, ETF Copilot compares RECS vs IWB on Value, Growth, Quality, and Risk.

Updated August 2026

  1. Columbia Research Enhanced Core ETF (RECS) — ETF Copilot score 6.5/10 · top 10 holdings 40% of assets · Tech 40%, Magnificent 7 27%
  2. iShares Russell 1000 ETF (IWB) — ETF Copilot score 5.1/10 · top 10 holdings 34% of assets · Tech 43%, Magnificent 7 30%

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