ITOT ETF Explained: Returns, Expense Ratio, Holdings and Alternative ETFs
iShares Core S&P Total U.S. Stock Market ETF (ITOT) is a total market core holding that spreads exposure across the entire U.S. listed stock market. Its strengths are an ultra-low expense ratio and quarterly dividends, and differences in index, holdings and AUM versus VTI, SCHB, SPTM and VXF are the key selection criteria.
What Is the iShares Core S&P Total U.S. Stock Market ETF?
This is a passive ETF managed by BlackRock iShares that tracks the S&P Total Market Index. It holds U.S. listed large-, mid- and small-cap stocks across the board, weighted by market capitalization.
It suits long-term investors who want a core holding that diversifies across the entire U.S. market with a single fund, as well as investors who want total market exposure through the iShares lineup rather than VTI.
It is an ETF run by BlackRock iShares using a passive (index-tracking) approach.
How Does the iShares Core S&P Total U.S. Stock Market ETF Invest?
| Item | Details |
|---|---|
| Tracked Index | S&P Total Market Index |
| Management Style | Passive (index-tracking) |
| Coverage | U.S. listed large-, mid- and small-cap stocks |
| Dividend Frequency | Quarterly |
| Total Expense Ratio | 0.03% |
| Issuer | BlackRock iShares |
The fund uses a passive strategy that replicates the S&P Total Market Index, holding its constituents weighted by market capitalization. The tracked index differs from the CRSP total market index followed by VTI, but both offer broad market exposure within the same category.
- Core holding tracking the S&P Total Market Index
- Total market ETF within the iShares lineup
- Ultra-low-cost broad exposure
Size and Costs of the iShares Core S&P Total U.S. Stock Market ETF (AUM and Expense Ratio)
Assets under management (AUM) stand at $97.3B, and the total expense ratio is 0.03% per year.
Among the funds shown in the table, SCHB and SPTM are direct alternatives from the Schwab and SPDR lineups that track the broad U.S. market, VXF is a variant focused on mid- and small-cap stocks excluding the S&P 500, OEF is concentrated in 100 large-cap stocks, and IWV is a variant tracking the Russell 3000.
Performance and Trends of the iShares Core S&P Total U.S. Stock Market ETF
Over the long term, it has followed the upward trend of the overall U.S. market, and its performance closely resembles that of S&P 500 ETFs. Because it holds mid- and small-cap stocks, it tends to be slightly more volatile than S&P 500 ETFs in risk-on phases.
It belongs to the group of mega ETFs that attract money from investors seeking core holdings and valuing breadth of diversification. Asset allocation capital that prefers a unified iShares lineup also contributes to inflows.
Pros and Cons of the iShares Core S&P Total U.S. Stock Market ETF
Its main strengths are an ultra-low expense ratio and broad diversification across the entire U.S. market, while large-cap concentration and currency exposure are drawbacks to consider in advance.
💪 Key Strengths
⚠️ Points to Watch
Alternative ETFs and Related Products to the iShares Core S&P Total U.S. Stock Market ETF
Among the funds shown in the table, SCHB and SPTM are direct alternatives tracking the broad U.S. market with similar expense ratios, VXF is a variant focused on mid- and small-cap stocks excluding the S&P 500, OEF is concentrated in 100 large-cap stocks, and IWV is a variant tracking the Russell 3000. You can also consider VTI, the Vanguard fund with the same total market exposure, VOO, IVV and SPYM, which focus only on the large-cap core, and variants such as the equal-weight RSP.
| Ticker | Name | Price | Change | AUM | Total Expense Ratio | Dividend Yield | 1Y |
|---|---|---|---|---|---|---|---|
| Schwab U.S. Broad Market ETF | $29.07 | -1.8% | $45.0B | 0.03% | 1.06% | +11.0% | |
| Vanguard Extended Market Index ETF | $230.39 | -2.1% | $30.8B | 0.05% | 1.05% | +10.0% | |
| iShares Russell 3000 ETF | $428.96 | -1.7% | $20.6B | 0.20% | 0.88% | +11.3% | |
| iShares S&P 100 Fund | $373.36 | -2.0% | $20.5B | 0.20% | 0.87% | +8.5% | |
| Avantis U.S. Equity ETF | $128.13 | -1.4% | $14.9B | 0.15% | 0.93% | +16.5% |
| Ticker | Name | Weight | Price | Change | Market Cap | P/E | Dividend Yield |
|---|---|---|---|---|---|---|---|
| Neurogene Inc | - | $27.55 | -4.4% | $551.3M | - | - | |
| NVDA | NVIDIA Corp | 0.13% | $204.64 | -4.2% | $4.93T | 25.9 | 0.38% |
| AAPL | Apple Inc | 0.12% | $344.63 | -1.2% | $5.03T | 39.5 | 0.32% |
| MSFT | Microsoft Corp | 0.08% | $521.91 | -1.6% | $3.88T | 27.3 | 0.74% |
| AMZN | Amazon.com Inc | 0.06% | $240.35 | -1.4% | $2.59T | 19.4 | - |
Investor Checkpoints for the iShares Core S&P Total U.S. Stock Market ETF
Here are the points to review before investing in ITOT. Exposure to the entire U.S. market is a strength, but large-cap concentration, mid- and small-cap volatility and currency effects deserve another look before buying, along with a review of your position size and diversification strategy.
| Checkpoint | What to Check | Current Status |
|---|---|---|
| 💵 Expense Ratio | Impact of cumulative long-term costs | Among the lowest |
| 🌐 Market Exposure | Trend in large-, mid- and small-cap weights | Entire U.S. market |
| 📊 Top Holdings Concentration | Trend in Big Tech weight | Large weight in large caps |
| 💱 Exchange Rate | Effect on returns converted to won | No currency hedge |
Large-cap concentration, mid- and small-cap volatility and exchange rate movements are the main drivers of short-term volatility. During market crashes, even a total market ETF can suffer sizable short-term losses, so it is worth reviewing your position size and diversification strategy together.
It is regarded as a standard choice for a long-term core holding diversified across the entire U.S. market. If you prefer a unified Vanguard lineup, VTI is the fit; for concentrated exposure to 500 large-cap stocks, VOO, IVV or SPYM; and for mid- and small-cap exposure excluding the S&P 500, VXF is the suitable variant.
Disclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.
This article reflects information as of May 22, 2026.