IWBvsSPTM

iShares Russell 1000 ETF or State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF, side by side from their own SEC filings. 95% of their stock holdings are the same at the same weight, across 843 stocks in both. SPTM costs 0.03% a year against 0.15% for IWB, $12 a year less on $10,000. Over the last twelve months IWB returned +21.9% and SPTM +22.7%.

95%of the two portfolios is the same stocks at the same weight
IWB96% in stocks the other holds too
SPTM96% 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.

IWBSPTMYearly cost0.15%0.03%Net assets$48.3B$13.6BPositions1,0281,517Last 12 months+21.9%+22.7%3 years, a year+20.3%+20.2%5 years, a year+12.5%+13.0%Largest holdingNVDA 6.7%NVDA 6.9%Main sectorTechnology 36%Technology 36%Holdings as ofJun 30, 2026Jun 30, 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 July 2019, the first month both report, dividends reinvested.

IWB$277SPTM$277
July 2019June 2026

More comparisons

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