IWBvsPRF

iShares Russell 1000 ETF or Invesco RAFI US 1000 ETF, side by side from their own SEC filings. 64% of their stock holdings are the same at the same weight, across 764 stocks in both. IWB costs 0.15% a year against 0.34% for PRF, $19 a year less on $10,000. Over the last twelve months IWB returned +21.9% and PRF +30.4%.

64%of the two portfolios is the same stocks at the same weight
IWB93% in stocks the other holds too
PRF95% 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.

IWBPRFYearly cost0.15%0.34%Net assets$48.3B$9.8BPositions1,0281,003Last 12 months+21.9%+30.4%3 years, a year+20.3%+19.3%5 years, a year+12.5%+13.3%Largest holdingNVDA 6.7%AAPL 4.3%Main sectorTechnology 36%Technology 20%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.

IWB$272PRF$262
August 2019June 2026

What they both hold

764 stocks are in both funds: 93% of IWB and 95% of PRF. The biggest shared positions:

Stockin IWBin PRF
AAPL6.0%4.3%GOOGL3.0%3.7%MSFT4.0%2.6%AMZN3.3%2.3%META1.8%1.4%BRK-B1.3%1.8%JPM1.3%1.7%MU1.9%0.9%INTC0.9%1.8%JNJ0.9%1.1%

Only in IWB

Its biggest stocks the other fund does not hold.

  1. GOOGAlphabet Inc. (Class C)2.4%
  2. BEBloom Energy Corporation0.1%
  3. NETCloudflare, Inc.0.1%
  4. ALABAstera Labs, Inc.0.1%
  5. SPOTSpotify Technology S.A.0.1%
  6. RKLBRocket Lab Corporation0.1%

Only in PRF

Its biggest stocks the other fund does not hold.

  1. STXSeagate Technology0.2%
  2. PBFPBF Energy Inc.0.1%
  3. TELTE Connectivity0.1%
  4. LUMNLumen Technologies, Inc.0.1%
  5. KSSKohl's Corporation0.1%
  6. SMSM Energy Company0.1%

More comparisons

IWB vs SPTMIWB vs IWVITOT vs IWBIWB vs VTIIWB vs VONEFNDX vs PRFIWD vs PRFIUSV vs PRF

From each fund’s Form N-PORT (IWB: June 2026, PRF: 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.