IWMvsIWO

iShares Russell 2000 ETF or iShares Russell 2000 Growth ETF, side by side from their own SEC filings. 54% of their stock holdings are the same at the same weight, across 890 stocks in both. IWM costs 0.19% a year against 0.24% for IWO, $5 a year less on $10,000. Over the last twelve months IWM returned +40.6% and IWO +38.6%.

54%of the two portfolios is the same stocks at the same weight
IWM62% in stocks the other holds too
IWO94% 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.

IWMIWOYearly cost0.19%0.24%Net assets$83.0B$15.4BPositions2,0171,137Last 12 months+40.6%+38.6%3 years, a year+18.4%+18.3%5 years, a year+6.9%+5.5%Largest holdingBlackRock 17.0%BlackRock 14.8%Main sectorHealthcare 19%Healthcare 27%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.

IWM$210IWO$204
July 2019June 2026

More comparisons

From each fund’s Form N-PORT (IWM: June 2026, IWO: 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.