ITOTvsSSO

iShares Core S&P Total U.S. Stock Market ETF or ProShares Ultra S&P500 ETF, side by side from their own SEC filings. 65% of their stock holdings are the same at the same weight, across 497 stocks in both. Over the last twelve months ITOT returned +23.1% and SSO +56.8%.

65%of the two portfolios is the same stocks at the same weight
ITOT87% in stocks the other holds too
SSO65% 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.

ITOTSSOYearly cost0.03%n/aNet assets$94.1B$8.4BPositions2,503525Last 12 months+23.1%+56.8%3 years, a year+20.4%+40.1%5 years, a year+12.2%+20.1%Largest holdingNVDA 6.6%ProShares 15.5%Main sectorTechnology 36%Technology 25%Holdings as ofJun 30, 2026May 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 September 2019, the first month both report, dividends reinvested.

ITOT$276SSO$462
September 2019May 2026

More comparisons

From each fund’s Form N-PORT (ITOT: June 2026, SSO: May 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.