iShares Core S&P U.S. Total Market Index ETF

What’s inside XUU

XUU is 96% US. You own a piece of 2,430 companies in 17 countries. The biggest is NVIDIA, $663.

0%20%40%60%United States96%$9,649Canada0%$5.34Europe2%$248Asia-Pacific0%$8.32Emerging0%$0.00United States96%Canada0%Europe2%Asia-Pacific0%Emerging0%

$10,000 of XUU

2,430 companies

Shown at XUU’s published mix: 100% iShares Core S&P Total U.S. Stock Market ETF. Estimated where it holds stocks directly.

The ten biggest companies are 33% of it.

The biggest 25 companies in $10,000

NVIDIA
2.36 shares · United States
$663
Apple
1.43 shares · United States
$581
Alphabet
0.571 shares · United States
$515
Microsoft
0.724 shares · United States
$379
Amazon.com
0.954 shares · United States
$319
Broadcom
0.461 shares · United States
$245
Micron Technology
0.11 shares · United States
$178
Meta Platforms
0.214 shares · United States
$169
Tesla
0.274 shares · United States
$162
Eli Lilly
0.0771 shares · United States
$130
Advanced Micro Devices
0.159 shares · United States
$130
Berkshire Hathaway
0.179 shares · United States
$125
JPMorgan Chase
0.261 shares · United States
$120
Intel
0.46 shares · United States
$90.20
Johnson & Johnson
0.234 shares · United States
$83.52
Applied Materials
0.0773 shares · United States
$78.45
Visa
0.162 shares · United States
$77.78
Exxon Mobil
0.404 shares · United States
$77.46
Lam Research
0.122 shares · United States
$74.07
Walmart
0.428 shares · United States
$67.96
Caterpillar
0.0449 shares · United States
$67.07
Cisco Systems
0.385 shares · United States
$63.43
AbbVie
0.172 shares · United States
$60.82
Costco Wholesale
0.0432 shares · United States
$56.73
Mastercard
0.0785 shares · United States
$56.58

And 2,405 more companies.

Questions people ask about XUU

How many companies does XUU hold?
About 2,430, in 17 countries, looked through to the stocks underneath.
What is XUU’s biggest holding?
NVIDIA: $663 of every $10,000.
How much of XUU is in the US and in Canada?
96% US and 0.05% Canada.

Holdings as of Jun 30, 2026, from the US funds’ SEC filings; Canadian funds by their published mix, estimated where they hold stocks directly. Sources