ITOT: iShares Core S&P Total U.S. Stock Market ETF

What does ITOT hold?#

This fund owns shares in thousands of US companies, from very large to very small. It tries to cover almost the whole US stock market in one fund. Its value rises and falls with US stocks overall.

It tracks the S&P Total Market Index (TMI). It had 2,446 holdings as of October 15, 2026, according to iShares (BlackRock).

What is the ITOT expense ratio?#

ITOT charges 0.03% a year. An expense ratio is the yearly fee a fund takes to run itself. On $10,000, a 0.03% fee comes to about $3 a year.

You never get a bill for it. The fund takes the fee out of its own value a little each day.

How has ITOT done since 2004?#

From January 2004 to October 2026, ITOT returned about 10.6% a year. Say you put in $10,000 at the start. It would have been worth about $99,204 at the end, with every dividend reinvested.

Prices through October 16, 2026. Figures use daily closing prices adjusted for splits, with dividends reinvested. They do not include taxes or the cost of buying and selling. Past results do not tell you what will happen next.

ITOT returns by year#

What was ITOT’s worst drop?#

A drawdown is how far a fund falls from its last high point. ITOT’s worst fall was −55.2%, from October 9, 2007 to March 9, 2009. It got back to that high on March 16, 2012.

The chart shows how far below its last high the fund was on each day. Big drops are normal for some funds. They matter because selling during a drop locks in the loss.

Which Tactfolio strategies hold ITOT?#

No classic strategy holds ITOT yet. You can add it to your own rules in the builder and see how they would have done.

How does ITOT compare with similar ETFs?#

Funds that can stand in for ITOT:

• SCHB: Schwab U.S. Broad Market ETF, 0.03% a year
• VTI: Vanguard Morningstar Total Stock Market ETF, 0.03% a year
• SPYM: State Street SPDR Portfolio S&P 500 ETF, 0.02% a year
• IVV: iShares Core S&P 500 ETF, 0.03% a year

See all 8 ITOT alternatives, compared on the same dates as ITOT.

Test ITOT in your own rules#

Tactfolio is a platform where you build rules-based investing strategies, backtest them on decades of real prices, share them, and run them automatically in your own Alpaca account. Open the builder, add ITOT, and see how a rule such as “hold it only above its 200-day average” would have done. Strategies run on daily prices and hold US stocks and ETFs only.

The details#

Prices come from Tactfolio’s stored daily prices for ITOT. Each close is adjusted for splits, and dividends are reinvested on the day the fund pays them out. CAGR is the steady yearly return that turns the starting value into the ending value. Volatility is the yearly standard deviation of daily returns.

Fund facts come from iShares (BlackRock). We checked them on October 17, 2026. Read what a backtest simulates and how to read drawdown and CAGR for more on these measures.