IWSvsRSP

iShares Russell Mid-Cap Value ETF or Invesco S&P 500 Equal Weight ETF, side by side from their own SEC filings. 45% of their stock holdings are the same at the same weight, across 272 stocks in both. RSP costs 0.20% a year against 0.23% for IWS, $3 a year less on $10,000. Over the last twelve months IWS returned +26.4% and RSP +19.3%.

45%of the two portfolios is the same stocks at the same weight
IWS65% in stocks the other holds too
RSP54% 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.

IWSRSPYearly cost0.23%0.20%Net assets$15.6B$96.5BPositions724508Last 12 months+26.4%+19.3%3 years, a year+16.3%+13.5%5 years, a year+9.3%+8.9%Largest holdingBlackrock 1.8%Invesco 3.1%Main sectorFinancial Services 17%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.

IWS$208RSP$222
August 2019June 2026

What they both hold

272 stocks are in both funds: 65% of IWS and 54% of RSP. The biggest shared positions:

Stockin IWSin RSP
PYPL0.4%0.3%IQV0.3%0.2%GRMN0.4%0.2%MTD0.3%0.2%WTW0.2%0.2%VEEV0.3%0.2%XYZ0.4%0.2%AMP0.4%0.2%MPC0.4%0.2%MRNA0.3%0.2%

Only in IWS

Its biggest stocks the other fund does not hold.

  1. LNGCheniere Energy, Inc.0.5%
  2. FERGFerguson Enterprises Inc.0.4%
  3. SUNBSunbelt Rentals Holdings, Inc.0.3%
  4. MKSIMKS Inc.0.3%
  5. ILMNIllumina, Inc.0.3%
  6. TWLOTwilio Inc.0.3%

Only in RSP

Its biggest stocks the other fund does not hold.

  1. EXPEExpedia Group0.3%
  2. DASHDoorDash0.3%
  3. REGNRegeneron Pharmaceuticals0.2%
  4. PANWPalo Alto Networks0.2%
  5. TRVThe Travelers Companies0.2%
  6. CMGChipotle Mexican Grill0.2%

More comparisons

IWR vs IWSIWS vs VOIWS vs VBIWS vs VOERSP vs SPYVIVE vs RSPIUSV vs RSPPRF vs RSP

From each fund’s Form N-PORT (IWS: 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.