IWRvsRSP

iShares Russell Mid-Cap ETF or Invesco S&P 500 Equal Weight ETF, side by side from their own SEC filings. 46% of their stock holdings are the same at the same weight, across 300 stocks in both. IWR costs 0.18% a year against 0.20% for RSP, $2 a year less on $10,000. Over the last twelve months IWR returned +21.5% and RSP +19.3%.

46%of the two portfolios is the same stocks at the same weight
IWR60% in stocks the other holds too
RSP60% in stocks the other holds too
stocks in bothstocks only in that fundbonds, cash and unmatched shares

The two funds

From each fund's latest N-PORT filing and its prospectus.

IWRRSPYearly cost0.18%0.20%Net assets$57.0B$96.5BPositions830508Last 12 months+21.5%+19.3%3 years, a year+16.3%+13.5%5 years, a year+8.3%+8.9%Largest holdingBlackRock 2.6%Invesco 3.1%Main sectorIndustrials 18%Industrials 16%Holdings as ofJun 30, 2026Jul 31, 2026

Returns are total returns with dividends reinvested, from the funds’ own monthly figures; “(price)” marks a fund whose filing record is younger than a year, whose twelve months are its price change. The stronger figure in each row is set in bold. Past returns say what happened, not what will.

Growth of $100

Both funds from August 2019, the first month both report, dividends reinvested.

IWR$215RSP$222
August 2019June 2026

More comparisons

From each fund’s Form N-PORT (IWR: June 2026, RSP: July 2026) and prospectus, via the SEC’s public data sets. Overlap counts only the stocks we can match to a listing: stock by stock, the smaller of the two weights, added up.