ITOT holds 2,436 positions. Its largest positions are NVIDIA (7.1%), Apple (6.7%) and Microsoft (5.0%). The fund is weighted most heavily toward industrials, technology and financial services.
Holdings and distributions sourced from IShares fund filingsupdated daily
- Total holdings
- 2,436
- Top 10 weight
- 34.1%
- Sectors
- 11
- Largest position
- 7.10%
- Median mkt cap
- $937B
Top 25 holdings
by portfolio weight
| # | Holding | Sector | Weight |
|---|---|---|---|
| 1 | Technology | 7.1% | |
| 2 | Technology | 6.7% | |
| 3 | Technology | 5.0% | |
| 4 | Consumer Cyclical | 3.3% | |
| 5 | Communication Services | 2.8% | |
| 6 | Technology | 2.2% | |
| 7 | Communication Services | 2.2% | |
| 8 | Communication Services | 2.0% | |
| 9 | Technology | 1.4% | |
| 10 | Consumer Cyclical | 1.4% |
How ITOT selects and weights its holdings
The iShares Core S&P Total U.S. Stock Market ETF is designed to replicate the performance of a comprehensive benchmark featuring a wide array of American company shares.
Today that leaves 2,436 positions across 11 sectors, with the largest at 7.1% and the top 10 at 34% of the fund. Those weights move with share prices and reset whenever the fund rebalances, so the table above changes over time.

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Get The Add-in - FreeITOT frequently asked questions
ITOT holds 2,436 positions. Its largest positions are NVIDIA (7.1%), Apple (6.7%), Microsoft (5.0%), Amazon.com (3.3%) and Alphabet (2.8%). The fund is weighted most heavily toward industrials, technology and financial services. The 25 largest positions by weight are listed above.
ITOT holds 2,436 positions. The top 10 together make up about 34% of the fund and the largest single position is 7.1%, so the fund stays spread across the list rather than concentrated in a handful of names. Weights shift as prices move and as the fund rebalances.
ITOT's largest holding is currently NVIDIA at about 7.1% of the fund, followed by Apple at 6.7% and Microsoft at 5.0%. Because weights drift with share prices and reset when the fund rebalances, the top holding can change over time.
ITOT's heaviest sector weights are industrials, technology and financial services, followed by healthcare, consumer cyclical and real estate. Its largest sector is 16% of the fund across 11 sectors in total, and the full breakdown is above.