# Top US Companies by Market Value

> These are the biggest companies listed in the US by market value on 19 October 2026. NVIDIA led at $5.24 trillion, then Apple and Alphabet. The Magnificent 7 were worth $24.50 trillion together. Below: the top 10, the top 100, the Magnificent 7 and the biggest company in each sector.

Page: https://www.sectoralpha.in/top-us-companies
About this page: By Roshan · Updated 19 October 2026 · US closes to 19 Oct 2026 · How the numbers are worked out
Full list as CSV: https://www.sectoralpha.in/top-us-companies.csv

## Questions this page answers

### Top companies in the USA by market value

The biggest companies listed in the US on 19 October 2026 were NVIDIA ($5.24 trillion), Apple ($5.00 trillion) and Alphabet ($4.21 trillion). The list gives the top 10 of the 3,524 US-listed companies we track, and the table the top 100. Biggest means largest by value, not best. (Market value from the 20 Oct 2026 data, US dollars. Each company counted once)
Link: https://www.sectoralpha.in/top-us-companies#list

### What are the Magnificent 7 stocks?

The Magnificent 7 is the press's name for seven big US technology-led companies: Apple, Microsoft, Alphabet, Amazon, Meta, Nvidia and Tesla. On 19 October 2026 they were worth $24.50 trillion together, 35% of the S&P 500 members we track. The biggest was NVIDIA. (Market value from the 20 Oct 2026 data)
Link: https://www.sectoralpha.in/top-us-companies#magnificent-7

### Magnificent 7 P/E and 1-year performance

Over the year to 19 October 2026, Apple moved most among the Magnificent 7 (+35.9%) and Tesla least (−16.2%). Their P/E ranged from 17.3 to 382.0. The table gives each with its 3-month lead or lag on the S&P 500. (P/E from the 20 Oct 2026 data; 1 year = close of 19 Oct 2026 against 17 Oct 2025)
Link: https://www.sectoralpha.in/top-us-companies#mag7pe

### Biggest US companies in each sector

On 19 October 2026, the biggest US-listed company in each of the 11 sectors we track was led by NVIDIA in technology, Berkshire Hathaway in financials and Eli Lilly and Company in healthcare. The table gives every sector, its number of companies and its biggest name. (Sector from our US company list; market value from the 20 Oct 2026 data)
Link: https://www.sectoralpha.in/top-us-companies#sectors

### Biggest US tech companies

The five biggest US-listed technology companies on 19 October 2026 were NVIDIA ($5.24 trillion), Apple ($5.00 trillion), Microsoft ($3.96 trillion), Taiwan Semiconductor Manufacturing Company ($1.93 trillion) and Broadcom ($1.60 trillion). We track 506 US tech companies in all; the US tech stocks page lists every one. (Market value from the 20 Oct 2026 data)
Link: https://www.sectoralpha.in/top-us-companies#tech

### Questions people ask about top US companies

- What are the top 10 companies in the USA? By market value on 19 October 2026: NVIDIA, Apple, Alphabet, Microsoft, Amazon.com, Taiwan Semiconductor Manufacturing Company, Meta Platforms, Broadcom, Tesla and Berkshire Hathaway.
- What are the 7 Magnificent stocks? Apple, Microsoft, Alphabet (Google), Amazon, Meta, Nvidia and Tesla. Together they were worth $24.50 trillion on 19 October 2026.
- Is the biggest company the best one to own? Size says nothing about what a share will do next. This page ranks by market value only. Sector Alpha gives no tips, price targets or analyst ratings.
- Can I invest in these US companies from India? Yes, through a US brokerage account under RBI's Liberalised Remittance Scheme, up to USD 250,000 a year. Our US stocks page explains the routes, tax and hours.

## The first 10 rows of the list

| # | Company | Ticker | Sector | Market value | Price | 1 year |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | NVIDIA | NVDA | Technology | $5.24 trillion | $217.09 | +18.5% |
| 2 | Apple | AAPL | Technology | $5.00 trillion | $342.94 | +35.9% |
| 3 | Alphabet | GOOGL | Communication Services | $4.21 trillion | $344.18 | +35.9% |
| 4 | Microsoft | MSFT | Technology | $3.96 trillion | $533.52 | +3.9% |
| 5 | Amazon.com | AMZN | Consumer Discretionary | $2.83 trillion | $262.45 | +23.2% |
| 6 | Taiwan Semiconductor Manufacturing Company | TSM | Technology | $1.93 trillion | $420.22 | +42.4% |
| 7 | Meta Platforms | META | Communication Services | $1.80 trillion | $705.44 | −1.6% |
| 8 | Broadcom | AVGO | Technology | $1.60 trillion | $334.59 | −4.2% |
| 9 | Tesla | TSLA | Consumer Discretionary | $1.45 trillion | $368.06 | −16.2% |
| 10 | Berkshire Hathaway | BRK-B | Financials | $1.14 trillion | $532.23 | +8.1% |

Disclosure: Sector Alpha is not a SEBI-registered research analyst. This page is information and education only, not a recommendation to buy, sell or hold any security. No price targets or analyst ratings are given. Tax and remittance rules change; check them with your bank or a tax adviser before you act. Data: US prices and company figures through our daily pipeline. Past performance does not indicate future results.