The FTSE 100 represents about what percentage by market cap of all British public companies?

The FTSE 100 represents roughly 80% of the total market cap of all public British companies.

What are the largest biotech companies by market cap?

The largest three biotech companies by market cap are as follows: Eli Lilly, Johnson & Johnson, and AbbVie (NYSE:ABBV).

What are the largest us companies by market cap?

As of early 2026, the biggest U.S. companies by market cap were Nvidia, Alphabet (Google), and Apple.

Largest Companies by Market Cap in 2026

Nvidia, Alphabet, and Apple are the biggest companies by market cap.

By Lyle Daly – Updated Apr 1, 2026 at 6:47 PM EST | Fact-checked by Frank Bass

Key Points

Nvidia is the world's most valuable company, driven by demand for its AI-focused GPUs.
Tech firms like Alphabet and Apple dominate, but diverse sectors like oil and finance are also present.
Investing in large-cap stocks from varied industries offers stability and potential profits.

Nvidia (NVDA +1.73%) currently tops the list of the largest companies in the world. Alphabet (GOOG +0.44%)(GOOGL +0.66%) and Apple (AAPL +2.08%) round out the top three.

Twelve of the largest companies have a market cap of at least $1 trillion. While tech companies dominate the top of the stock market, other sectors are also represented, including oil, insurance, medical companies, and financial services. Read on to see the 20 most valuable companies and where they stand as of May 2026.

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An aerial shot of data centers. — Image source: Getty Images.

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Ticker Information Table
Name and ticker	Market cap	Current price	Sector
Nvidia (NASDAQ:NVDA)	$5.2 trillion	$215.16	Information Technology
Alphabet (NASDAQ:GOOG)	$4.8 trillion	$397.05	Communication Services
Apple (NASDAQ:AAPL)	$4.2 trillion	$293.41	Information Technology
Microsoft (NASDAQ:MSFT)	$3.1 trillion	$415.12	Information Technology
Amazon (NASDAQ:AMZN)	$2.9 trillion	$272.66	Consumer Discretionary
Taiwan Semiconductor Manufacturing (NYSE:TSM)	$2.1 trillion	$410.67	Information Technology
Broadcom (NASDAQ:AVGO)	$2.0 trillion	$430.18	Information Technology
Meta Platforms (NASDAQ:META)	$1.5 trillion	$609.53	Communication Services
Tesla (NASDAQ:TSLA)	$1.6 trillion	$427.99	Consumer Discretionary
Walmart (NASDAQ:WMT)	$1.0 trillion	$130.40	Consumer Staples
Berkshire Hathaway (NYSE:BRKA)	$1.0 trillion	$717,386.81	Financials
Eli Lilly (NYSE:LLY)	$893.2 billion	$948.45	Health Care
JPMorgan Chase (NYSE:JPM)	$809.5 billion	$302.10	Financials
ExxonMobil (NYSE:XOM)	$599.2 billion	$144.57	Energy
Visa (NYSE:V)	$600.6 billion	$318.81	Financials
Micron Technology (NASDAQ:MU)	$842.2 billion	$746.22	Information Technology
Advanced Micro Devices (NASDAQ:AMD)	$742.1 billion	$455.19	Information Technology

Data as of May 10, 2026. Showing 17 of 17 tickers.

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NASDAQ: NVDA

Nvidia

Today's Change

(1.73%) $3.66

Current Price

$215.16

Key Data Points

Market Cap

$5.2T

Day's Range

$212.90 - $217.79

52wk Range

$120.28 - $217.80

Volume

5.2M

Avg Vol

171M

Gross Margin

71.07%

Dividend Yield

0.02%

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Market cap: $4.82 trillion (as of May 1)
Revenue (TTM): $215.9 billion
Gross profit (TTM): $153.5 billion
Five-year annualized return: 67.59%
Year founded: 1993

Tech company Nvidia designs and develops graphics processing units (GPUs) originally used for PC graphics and video games. Its GPUs are in high demand because they play a key role in training and operating artificial intelligence (AI) applications. They've also been used for mining cryptocurrency (using computer processing power to validate crypto transactions and earn rewards)

Thanks to the AI boom, Nvidia is currently the most valuable company in the world and was the first to reach a market cap of $4 trillion.

2. Alphabet (Google)

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NASDAQ: GOOGL

Alphabet

Today's Change

(0.66%) $2.62

Current Price

$400.61

Key Data Points

Market Cap

$4.9T

Day's Range

$396.37 - $402.00

52wk Range

$156.16 - $402.00

Volume

994K

Avg Vol

30M

Gross Margin

60.43%

Dividend Yield

0.21%

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Market cap: $4.67 trillion (as of May 1)
Revenue (TTM): $422.5 billion
Gross profit (TTM): $255.1 billion
Five-year annualized return: 26.80%
Year founded: 1998 (Google), 2015 (Alphabet)

Alphabet is the holding company formed through Google's 2015 restructuring. Of course, Google is most well-known as a search engine, becoming so famous that the name is synonymous with online searches. That's just one of Alphabet’s many widely used products, which also include:

Email service Gmail
Video site YouTube
Navigation apps Waze and Maps
Pixel smartphones

3. Apple

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NASDAQ: AAPL

Apple

Today's Change

(2.08%) $5.97

Current Price

$293.41

Key Data Points

Market Cap

$4.2T

Day's Range

$290.01 - $294.75

52wk Range

$193.46 - $294.76

Volume

2.5M

Avg Vol

44M

Gross Margin

47.86%

Dividend Yield

0.35%

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Market cap: $4.11 trillion (as of May 1)
Revenue (TTM): $451.4 billion
Gross profit (TTM): $216.1 billion
Five-year annualized return: 16.34%
Year founded: 1976

Tech giant Apple built its success on sales of its wildly popular products, including the iPhone, MacBook, and AirPods. It has branched out into services, including Apple TV+. It also developed Apple Intelligence, an AI technology. It should be noted that, as of 2025, Apple is outsourcing some of its Apple Intelligence to Google.

On a negative note, the U.S. Department of Justice filed an antitrust lawsuit against Apple in March 2024. It alleges that Apple maintains an illegal monopoly over smartphones through contractual restrictions on developers.

4. Microsoft

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NASDAQ: MSFT

Microsoft

Today's Change

(-1.34%) $-5.65

Current Price

$415.12

Key Data Points

Market Cap

$3.1T

Day's Range

$414.00 - $418.63

52wk Range

$356.28 - $555.45

Volume

33M

Avg Vol

35M

Gross Margin

68.31%

Dividend Yield

0.84%

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Market cap: $3.08 trillion (as of May 1)
Revenue (TTM): $318.3 billion
Gross profit (TTM): $217.4 billion
Five-year annualized return: 10.45%
Year founded: 1975

Considering the popularity of the Windows operating system, it’s no surprise that Microsoft has consistently ranked as one of the largest companies in the world. Almost 61% of computers use Windows, according to Statcounter. While it's best known for Windows, Microsoft offers a diverse product line, including the Office Suite, the Azure cloud platform, and Xbox video game consoles.

Microsoft has been making a big push into AI technology. It launched an AI-powered digital assistant, Microsoft Copilot, and it's on course for about $100 billion in 2026 infrastructure spending. It has also been partnered with OpenAI since 2019, and after a recapitalization, it holds a roughly 27% stake in that AI company.

5. Amazon

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NASDAQ: AMZN

Amazon

Today's Change

(0.55%) $1.49

Current Price

$272.66

Key Data Points

Market Cap

$2.9T

Day's Range

$269.95 - $274.00

52wk Range

$196.00 - $278.56

Volume

1.6M

Avg Vol

50M

Gross Margin

50.60%

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Market cap: $2.89 trillion (as of May 1)
Revenue (TTM): $742.8 billion
Gross profit (TTM): $375.9 billion
Five-year annualized return: 9.12%
Year founded: 1994

E-commerce leader Amazon began as an online bookstore, which illustrates just how far its reach has expanded. It's now the site where you can buy practically anything. It’s the largest online retailer in the world and the leader in terms of revenue.

The company’s Amazon Prime service has more than 200 million users worldwide. It's also the largest cloud provider in the world with Amazon Web Services (AWS). And that's only the tip of the iceberg. Amazon offers its Amazon Prime Video streaming service and Twitch video game streaming, in addition to owning the Whole Foods Market grocery chain.

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NYSE: TSM

Taiwan Semiconductor Manufacturing

Today's Change

(-0.84%) $-3.48

Current Price

$410.67

Key Data Points

Market Cap

$2.1T

Day's Range

$400.98 - $417.01

52wk Range

$184.61 - $420.00

Volume

893K

Avg Vol

14M

Gross Margin

61.02%

Dividend Yield

0.81%

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Market cap: $2.06 trillion (as of May 1)
Revenue (TTM): $129.7 billion*
Gross profit (TTM): $80.3 billion*
Five-year annualized return: 27.78%
Year founded: 1987

*Converted from New Taiwan dollars.

Taiwan Semiconductor Manufacturing, also known as TSMC, is a leader in semiconductor production and is Taiwan's most valuable company. As such, it works with many of the leading global technology companies, including Apple and Nvidia. It's another tech company benefiting from AI's growth. It's the largest contract chip manufacturer in the world, and demand for AI chips has led to increased sales for TSMC.

TSMC is in the process of expanding its semiconductor manufacturing operations in the U.S. It has announced plans to invest $165 billion in U.S. fabrication plants, advanced packaging facilities, and a research and development team center.

7. Broadcom

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NASDAQ: AVGO

Broadcom

Today's Change

(4.27%) $17.62

Current Price

$430.18

Key Data Points

Market Cap

$2.0T

Day's Range

$414.01 - $435.00

52wk Range

$215.88 - $437.68

Volume

964K

Avg Vol

24M

Gross Margin

64.96%

Dividend Yield

0.58%

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Market cap: $2.00 trillion (as of May 1)
Revenue (TTM): $68.3 billion
Gross profit (TTM): $46.3 billion
Five-year annualized return: 55.99%
Year founded: 1961 (HP Associates), 2005 (Avago Technologies), 2016 (Broadcom Limited)

Broadcom started out as HP Associates, HP's semiconductor division. It's now one of the largest semiconductor companies and develops custom chips for multiple hyperscalers.

In addition to its semiconductor business, Broadcom also has infrastructure software products. It significantly expanded its software division through the acquisition of VMware in November 2023.

8. Saudi Arabian Oil

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Market cap: $1.79 trillion* (as of May 1)
Revenue (TTM): $445.7 billion*
Gross profit (TTM): $223.6 billion*
Five-year annualized return: -1.18%
Year founded: 1933

*Converted from Saudi riyals.

Saudi Arabian Oil, also known as Saudi Aramco, is an energy and chemicals company. Owned by the Saudi Arabian government, it has the largest daily oil production and the second-largest proven crude oil reserves of all oil companies. Saudi Aramco stock surged in March 2026 due to rising oil prices from the Iran war, but the company's refineries were also targeted in Iranian drone strikes.

Saudi Aramco signed a joint development agreement with China's BYD Company, the world's largest electric vehicle (EV) manufacturer, in April 2025. The company's Jafurah project, reportedly the largest shale natural gas development outside the U.S., started production in December 2025.

9. Meta Platforms

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NASDAQ: META

Meta Platforms

Today's Change

(-1.18%) $-7.28

Current Price

$609.53

Key Data Points

Market Cap

$1.5T

Day's Range

$606.09 - $616.73

52wk Range

$520.26 - $796.25

Volume

858K

Avg Vol

15M

Gross Margin

81.94%

Dividend Yield

0.34%

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Market cap: $1.55 trillion (as of May 1)
Revenue (TTM): $215.0 billion
Gross profit (TTM): $176.1 billion
Five-year annualized return: 13.37%
Year founded: 2004

The company formerly known as Facebook rebranded to Meta Platforms in 2021. More recently, this social media company has been investing heavily in AI tools and infrastructure.

For now, Meta Platform's biggest products are its social networks, Facebook and Instagram. It also owns WhatsApp and Messenger, and it expanded into virtual reality with its Meta Quest devices and its acquisition of Oculus. Meta makes the vast majority of its revenue from advertising, accounting for about 98%.

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10. Tesla

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NASDAQ: TSLA

Tesla

Today's Change

(3.93%) $16.20

Current Price

$427.99

Key Data Points

Market Cap

$1.6T

Day's Range

$416.56 - $431.19

52wk Range

$273.21 - $498.83

Volume

4.2M

Avg Vol

62M

Gross Margin

19.07%

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NASDAQ: WMT

Walmart

Today's Change

(0.34%) $0.45

Current Price

$130.40

Key Data Points

Market Cap

$1.0T

Day's Range

$130.20 - $131.41

52wk Range

$91.89 - $134.69

Volume

556K

Avg Vol

20M

Gross Margin

23.41%

Dividend Yield

0.92%

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Market cap: $1.05 trillion (as of May 1)
Revenue (TTM): $713.2 billion
Gross profit (TTM): $177.8 billion
Five-year annualized return: 23.06%
Year founded: 1962

Walmart is the world's second-largest retailer, having been surpassed only recently by Amazon. It still earns over $700 billion in annual revenue, more than most of the other companies on this list by a wide margin.

This retail giant is also notable for being the largest family-owned business. Brothers Sam and James "Bud" Walton founded the company, and the Walton family still owns more than 40% of it.

12. Berkshire Hathaway

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NYSE: BRKA

Berkshire Hathaway

Today's Change

(0.16%) $1136.81

Current Price

$717386.81

Key Data Points

Market Cap

$1.0T

Day's Range

$714775.88 - $720280.00

52wk Range

$685150.00 - $779853.26

Volume

134

Avg Vol

198

Gross Margin

23.70%

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Market cap: $1.02 trillion (as of May 1)
Revenue (TTM): $410.5 billion
Five-year annualized return: 11.48%
Year founded: 1839

Berkshire Hathaway was the first U.S. company outside the tech sector to reach a $1 trillion market cap. It started as a textile company and remained in that business for more than a century, but it's perhaps most well-known for its ties to legendary investor Warren Buffett. He began investing in Berkshire in 1962, took majority control in 1965, and converted it into a holding company in 1970.

After serving as Berkshire's CEO for 60 years, Buffett retired at the end of 2025. Greg Abel took over as CEO, with Buffett still serving as chairman of the board. While Berkshire's primary business is insurance (it owns one of the largest insurance companies, GEICO), it has also invested in companies across various industries.

13. Samsung Electronics

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Market cap: $984.10 billion* (as of May 1)
Revenue (TTM): $226.7 billion*
Gross profit (TTM): $89.3 billion*
Five-year annualized return: 25.93%
Year founded: 1938

*Converted from South Korean won.

Samsung Electronics (SSNL.F +0.00%) is a South Korean consumer and industrial electronics company. It's known for the Galaxy lines of smartphones and tablets, as well as TVs and wearables.

This electronics company is also one of the world's top memory chip manufacturers. Its high-bandwidth memory (HBM) products, in particular, have soared in popularity amid rising AI memory demands.

14. Eli Lilly

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NYSE: LLY

Eli Lilly

Today's Change

(-2.72%) $-26.51

Current Price

$948.45

Key Data Points

Market Cap

$893B

Day's Range

$947.51 - $980.00

52wk Range

$623.78 - $1133.95

Volume

3.6M

Avg Vol

3.1M

Gross Margin

82.83%

Dividend Yield

0.66%

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Market cap: $862.01 billion (as of May 1)
Revenue (TTM): $72.2 billion
Gross profit (TTM): $59.8 billion
Five-year annualized return: 39.44%
Year founded: 1876

Founded by a chemist and Union Army veteran of the same name, Eli Lilly is one of the world's largest pharmaceutical companies. It was the first company to mass-produce insulin and the polio vaccine.

Eli Lilly's main revenue drivers are diabetes drugs and weight loss medication, specifically Mounjaro and Zepbound. Its GLP-1 weight loss pill, Foundayo, received FDA approval on April 1, 2026. Eli Lilly also manufactures antidepressants, most notably Prozac, and donanemab, a treatment for Alzheimer's disease.

14. JPMorgan Chase

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NYSE: JPM

JPMorgan Chase

Today's Change

(-1.36%) $-4.17

Current Price

$302.10

Key Data Points

Market Cap

$809B

Day's Range

$300.50 - $308.99

52wk Range

$256.00 - $337.25

Volume

9.5M

Avg Vol

9.6M

Dividend Yield

1.95%

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NYSE: XOM

ExxonMobil

Today's Change

(-1.37%) $-2.01

Current Price

$144.57

Key Data Points

Market Cap

$599B

Day's Range

$143.92 - $146.50

52wk Range

$101.19 - $176.41

Volume

20M

Avg Vol

22M

Gross Margin

20.92%

Dividend Yield

2.79%

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Market cap: $634.91 billion (as of May 1)
Revenue (TTM): $323.9 billion
Gross profit (TTM): $71.2 billion
Five-year annualized return: 21.69%
Year founded: 1882 (Standard Oil of New Jersey), 1999 (merger of Exxon and Mobil)

As recently as 2013, ExxonMobil was the largest company by market cap. However, environmental disasters and a long history of climate change denial led to heavy criticism of the oil company.

Despite its controversial reputation, ExxonMobil remains a leader in terms of revenue and operates in more than 50 countries. It's also the world's second-largest oil company, behind only Saudi Aramco.

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17. Visa

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NYSE: V

Visa

Today's Change

(-0.77%) $-2.47

Current Price

$318.81

Key Data Points

Market Cap

$601B

Day's Range

$316.28 - $321.23

52wk Range

$293.89 - $375.51

Volume

360K

Avg Vol

7.5M

Gross Margin

78.28%

Dividend Yield

0.79%

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Market cap: $623.83 billion (as of May 1)
Revenue (TTM): $43.0 billion
Gross profit (TTM): $35.0 billion
Five-year annualized return: 7.03%
Year founded: 1958

Visa is the most widely used payment network in the world and processes transactions for prepaid, debit, and credit cards. It's accepted in over 130 million merchant locations across more than 200 countries and territories, and it reported $14 trillion in payments volume in its 2025 fiscal year.

The U.S. Department of Justice filed an antitrust lawsuit against Visa in September 2024. It alleges that Visa operates an illegal monopoly over the debit card payments market. Visa is contesting the lawsuit.

18. SK Hynix

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KOSE: A000660

Sk Hynix

Today's Change

(0.00%) $0.00

Current Price

$0.00

Key Data Points

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Market cap: $619.43 billion* (as of May 1)
Revenue (TTM): $66.0 billion*
Gross profit (TTM): $39.9 billion*
Five-year annualized return: 58.64%
Year founded: 1983 (Hyundai Electronics), 2001 (Hynix), 2012 (SK Hynix)

*Converted from South Korean won.

SK Hynix is a memory company and one of the largest manufacturers of DRAM and NAND chips. It provides memory to many major tech companies, including Apple and Microsoft.

19. Micron Technology

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NASDAQ: MU

Micron Technology

Today's Change

(15.40%) $99.59

Current Price

$746.22

Key Data Points

Market Cap

$842B

Day's Range

$676.28 - $746.52

52wk Range

$90.93 - $747.21

Volume

2.6M

Avg Vol

42M

Gross Margin

58.54%

Dividend Yield

0.07%

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Market cap: $611.47 billion (as of May 1)
Revenue (TTM): $58.1 billion
Gross profit (TTM): $34.0 billion
Five-year annualized return: 44.50%
Year founded: 1978

Along with Samsung and SK Hynix, Micron Technology is one of the "Big Three" memory companies -- and the only one headquartered in the U.S. Micron manufactures DRAM, flash memory, and SSD memory products.

20. Advanced Micro Devices

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NASDAQ: AMD

Advanced Micro Devices

Today's Change

(11.44%) $46.73

Current Price

$455.19

Key Data Points

Market Cap

$742B

Day's Range

$418.23 - $456.32

52wk Range

$106.98 - $456.32

Volume

2.7M

Avg Vol

39M

Gross Margin

47.09%

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Market cap: $587.83 billion (as of May 1)
Revenue (TTM): $34.6 billion
Gross profit (TTM): $17.2 billion
Five-year annualized return: 34.60%
Year founded: 1969

Advanced Micro Devices, also known as AMD, makes high-performance computing products. Its products include the CPUs and GPUs used in AI data centers. AMD technology also powers the PlayStation and Xbox video game consoles.

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FAQs

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About the Author

Lyle Daly is a contributing Motley Fool stock market analyst covering information technology and cryptocurrency. Lyle has been a contributor at the financial services company since 2018. His work has been featured on USA Today, Yahoo Finance, MSN, Fox Business, and Nasdaq. Before joining The Motley Fool, he wrote for financial brands including Intuit.

TMFLyleDaly

@LyleDaly

JPMorgan Chase is an advertising partner of Motley Fool Money. Lyle Daly has positions in ASML, Alphabet, Berkshire Hathaway, Broadcom, Meta Platforms, Nvidia, and Tesla. The Motley Fool has positions in and recommends ASML, Alphabet, Amazon, Apple, Berkshire Hathaway, JPMorgan Chase, Kenvue, Meta Platforms, Microsoft, Nvidia, Taiwan Semiconductor Manufacturing, Tencent, Tesla, Visa, and Walmart. The Motley Fool recommends Broadcom and Johnson & Johnson. The Motley Fool has a disclosure policy.

The Largest Companies by Market Cap in May 2026

Nvidia, Alphabet, and Apple are the biggest companies by market cap.

Key Points

Key Data Points

2. Alphabet (Google)

Key Data Points

3. Apple

Key Data Points

4. Microsoft

Key Data Points

5. Amazon

Key Data Points

Best Large-Cap Stocks to Buy in 2026

How to Buy Apple Stock (AAPL): Everything Investors Need to Know

How to Buy Google Stock

Which Crypto Exchanges Are the Largest in 2026?

Key Data Points

7. Broadcom

Key Data Points

8. Saudi Arabian Oil

9. Meta Platforms

Key Data Points

10. Tesla

Key Data Points

Key Data Points

12. Berkshire Hathaway

Key Data Points

13. Samsung Electronics

14. Eli Lilly

Key Data Points

14. JPMorgan Chase

Key Data Points

Key Data Points

17. Visa

Key Data Points

18. SK Hynix

Key Data Points

19. Micron Technology

Key Data Points

20. Advanced Micro Devices

Key Data Points

FAQs

About the Author

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FAQs

The FTSE 100 represents about what percentage by market cap of all British public companies?

What are the largest biotech companies by market cap?

What are the largest us companies by market cap?