Nvidia (NVDA -0.32%) was the largest company in the technology sector and overall in April 2026. Apple (AAPL -1.30%) was a close No. 2, and Microsoft (MSFT -0.12%) was in third. The biggest tech companies by market cap span a range of industries, including consumer electronics, semiconductor manufacturing, cloud computing, and e-commerce.
The largest companies by market cap in the technology sector
(Editor's note: Rankings are as of May 1, 2026.)
| Name and ticker | Market cap | Current price | Industry |
|---|---|---|---|
| Nvidia (NASDAQ:NVDA) | $4.8 trillion | $197.37 | Semiconductors and Semiconductor Equipment |
| Apple (NASDAQ:AAPL) | $4.1 trillion | $276.64 | Technology Hardware, Storage and Peripherals |
| Microsoft (NASDAQ:MSFT) | $3.1 trillion | $413.96 | Software |
| Taiwan Semiconductor Manufacturing (NYSE:TSM) | $2.1 trillion | $399.36 | Semiconductors and Semiconductor Equipment |
| Broadcom (NASDAQ:AVGO) | $2.0 trillion | $413.51 | Semiconductors and Semiconductor Equipment |
| Samsung Electronics (OTC:SSNLF) | $918.0 billion | $140.00 | Technology Hardware, Storage and Peripherals |
| Micron Technology (NASDAQ:MU) | $611.5 billion | $575.62 | Semiconductors and Semiconductor Equipment |
| Advanced Micro Devices (NASDAQ:AMD) | $587.8 billion | $343.62 | Semiconductors and Semiconductor Equipment |
| ASML (NASDAQ:ASML) | $550.0 billion | $1,384.63 | Semiconductors and Semiconductor Equipment |
1. Nvidia
- 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
TTM = trailing 12 months.
NASDAQ: NVDA
Key Data Points
Nvidia is a leader in the design and development of graphics processing units (GPUs). Its GPUs first gained popularity for use in video gaming and computers, and later for mining cryptocurrency.
In recent years, Nvidia GPUs have been instrumental in training artificial intelligence (AI) models, driving up demand (and Nvidia's share price). Last year, Nvidia became the first company to hit a market cap of $4 trillion and $5 trillion.
2. Apple
- 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
NASDAQ: AAPL
Key Data Points
Apple is a consumer electronics company with a long list of popular products, including the iPhone, MacBook, iPad, Apple Watch, and AirPods. It became the world's largest company in August 2011 and has spent much of the time at the top since then.
However, it hasn't all been smooth sailing for Apple in recent years. The Apple Vision Pro, a mixed-reality headset, posted disappointing sales numbers. The company is also embroiled in an antitrust lawsuit with the U.S. Department of Justice.
3. Microsoft
- 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
NASDAQ: MSFT
Key Data Points
Microsoft is the largest software company, and it's most well-known for the Windows operating system, which is used on about 64% of the world's desktop computers. In addition, it offers a wide range of products, including Microsoft Office software, Azure cloud computing, and Xbox video game systems.
Like most major tech companies, Microsoft has invested heavily in AI. In 2019, it started investing in OpenAI and has since developed Microsoft Copilot, an AI-powered digital assistant.
4. Taiwan Semiconductor Manufacturing
- 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.
NYSE: TSM
Key Data Points
Taiwan Semiconductor Manufacturing (TSM +0.43%) is a global leader in the research, design, and manufacture of semiconductors. It produces chips for many of the major tech companies, including Apple, its biggest customer.
This semiconductor company is investing heavily in its U.S. operations. As part of a U.S.-Taiwan trade deal reached in January 2026, TSMC has agreed to invest $250 billion to boost semiconductor, energy, and AI production in the U.S.
5. Broadcom
- 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)
NASDAQ: AVGO
Key Data Points
Broadcom (AVGO -2.00%) began as the semiconductor division of HP (HPQ -0.26%), but after a spinoff, multiple large acquisitions, and the AI boom, it's now one of the top tech companies. In addition to semiconductors, it offers infrastructure software solutions.
Broadcom announced plans to purchase cloud computing and virtualization software company VMware in 2022. It completed the transaction in November 2023, enhancing its software business.
6. Samsung Electronics
- 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.
OTC: SSNLF
Key Data Points
Based in South Korea, Samsung (SSNL.F +116.80%) is a consumer electronics company known for its smartphones, tablets, and TVs. It also sells home appliances, including refrigerators and washing machines, and makes memory chips.
Samsung announced a shift toward high-end chips and AI-related products in 2024. The initiative aims to increase profitability and position it as a leader in the growing AI market.
7. SK Hynix
- 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.
NASDAQ: MU
Key Data Points
Micron Technology (MU +5.96%) is a memory and storage company offering DRAM solutions, flash-based solid-state drives (SSDs), and multichip packages. The company's high-bandwidth memory (HBM) products have become a crucial component of AI infrastructure.
Based in Boise, Idaho, Micron has locations worldwide, including Taiwan, Japan, and China. In January 2026, it committed $24 billion to expand operations in Singapore.
9. Advanced Micro Devices
- 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
NASDAQ: AMD
Key Data Points
Advanced Micro Devices, or AMD for short, is a computing company that makes processors, microprocessors, and GPUs. AMD is another chipmaker benefiting from the growth of AI, supplying tech companies with AI chips and accelerators for their data centers.
AMD also supplies custom central processing units (CPUs) and GPUs to video game companies. The PlayStation and Xbox consoles both rely on AMD's technology.
10. ASML
- Market cap: $550.00 billion (as of May 1)
- Revenue (TTM): $39.5 billion*
- Gross profit (TTM): $20.8 billion*
- Five-year annualized return: 17.10%
- Year founded: 1972
*Converted from euros.
NASDAQ: ASML
Key Data Points
AI investment is reshaping the tech market cap rankings
The tech sector is an exciting one, and it's not unusual for companies in this sector to deliver market-beating returns. The main trend in recent years has been the surge in AI spending, which has driven outsize returns for several of the companies on this list, including Nvidia, Broadcom, and Micron.
The tradeoff is that tech stocks tend to be volatile and frequently trade at high valuations. There have also been concerns about whether the profits companies make from AI will justify the spending.
There's a greater risk associated with investing in tech stocks, and it's important to carefully research growth prospects for any you're considering. Even with the risk, technology companies are well worth it for the potential returns. After all, many of the world's most successful companies are in the tech sector.
Related investing topics
About the Author
Lyle Daly has positions in ASML, Broadcom, and Nvidia. The Motley Fool has positions in and recommends ASML, Advanced Micro Devices, Apple, HP, Intel, International Business Machines, Micron Technology, Microsoft, Nvidia, Oracle, and Taiwan Semiconductor Manufacturing. The Motley Fool recommends Broadcom. The Motley Fool has a disclosure policy.
Read Next
