ITOT holds 2,441 positions. Its largest positions are Apple (6.9%), NVIDIA (6.7%) and Microsoft (5.3%). The fund is weighted most heavily toward information technology, financials and health care.
Holdings and distributions sourced from IShares fund filingsupdated daily
- Total holdings
- 2,441
- Top 10 weight
- 33.2%
- Sectors
- 11
- Largest position
- 6.85%
- Median mkt cap
- $962B
Top 25 holdings
by portfolio weight
| # | Holding | Sector | Weight |
|---|---|---|---|
| 1 | Technology | 6.9% | |
| 2 | Technology | 6.7% | |
| 3 | Technology | 5.3% | |
| 4 | Consumer Cyclical | 3.2% | |
| 5 | Communication Services | 2.2% | |
| 6 | Technology | 2.1% | |
| 7 | Communication Services | 1.8% | |
| 8 | Communication Services | 1.8% | |
| 9 | Healthcare | 1.5% | |
| 10 | Consumer Cyclical | 1.5% |
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 2,441 positions across 11 sectors, with the largest at 6.9% and the top 10 at 33% 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 2,441 positions. Its largest positions are Apple (6.9%), NVIDIA (6.7%), Microsoft (5.3%), Amazon.com (3.2%) and Alphabet (2.2%). The fund is weighted most heavily toward information technology, financials and health care. The 25 largest positions by weight are listed above.
ITOT's largest holding is currently Apple at about 6.9% of the fund, followed by NVIDIA at 6.7% and Microsoft at 5.3%. Because weights drift with share prices and reset when the fund rebalances, the top holding can change over time.
ITOT holds 2,441 positions. The top 10 together make up about 33% of the fund and the largest single position is 6.9%, 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 heaviest sector weights are information technology, financials and health care, followed by industrials, consumer discretionary and communication. Its largest sector is 36% of the fund across 11 sectors in total, and the full breakdown is above.