Nvidia (NVDA +8.01%) was the largest company in the technology sector and overall in December 2025. Apple (AAPL +0.87%) was close behind in second, and Microsoft (MSFT +1.90%) was in third. The biggest tech companies by market cap are spread across 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 Feb. 3, 2026.)
1. Nvidia
- Market cap: $4.39 trillion (as of Feb. 3)
- Revenue (TTM): $187.1 billion
- Gross profit (TTM): $131.1 billion
- Five-year annualized return: 67.63%
- Year founded: 1993
TTM = trailing 12 months.
NASDAQ: NVDA
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NASDAQ: AAPL
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Apple (AAPL +0.87%) 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 biggest company in August 2011 and has spent quite a bit of 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 release of Apple Intelligence, an AI technology, has also gotten mixed reviews, and the company is embroiled in an antitrust lawsuit with the U.S. Department of Justice.
3. Microsoft
- Market cap: $3.05 trillion (as of Feb. 3)
- Revenue (TTM): $305.5 billion
- Gross profit (TTM): $209.5 billion
- Five-year annualized return: 12.67%
- Year founded: 1975
NASDAQ: MSFT
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Microsoft (MSFT +1.90%) is the largest software company, and it's most well-known for the Windows operating system, which is used on about 68% 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. During its 2025 fiscal year ending on June 30, 2025, Microsoft invested $88 billion to build AI-enabled data centers.
4. Taiwan Semiconductor Manufacturing
- Market cap: $1.74 trillion (as of Feb. 3)
- Revenue (TTM): $120.5 billion*
- Gross profit (TTM): $72.2 billion*
- Five-year annualized return: 23.81%
- Year founded: 1987
*Converted from New Taiwan dollars.
NYSE: TSM
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Taiwan Semiconductor Manufacturing (TSM +5.57%) 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: $1.52 trillion (as of Feb. 3)
- Revenue (TTM): $63.9 billion
- Gross profit (TTM): $43.3 billion
- Five-year annualized return: 51.24%
- Year founded: 1961 (HP Associates), 2005 (Avago Technologies), 2016 (Broadcom Limited)
NASDAQ: AVGO
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NASDAQ: ASML
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NASDAQ: MU
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Micron Technology (MU +3.17%) is a memory and storage company with products that include DRAM solutions, flash-based 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 around the world, including Taiwan, Japan, and China. In January 2026, it committed $24 billion to expand operations in Singapore.
8. Oracle
- Market cap: $444.44 billion (as of Feb. 3)
- Revenue (TTM): $61.0 billion
- Gross profit (TTM): $41.8 billion
- Five-year annualized return: 22.49%
- Year founded: 1977
NYSE: ORCL
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Based in South Korea, Samsung is a consumer electronics company known for its smartphones, tablets, and TVs. It recently announced the Galaxy Z TriFold, its first multi-folding smartphone. It also sells home appliances, including refrigerators and washing machines.
Samsung announced a shift toward high-end chips and AI-related products in 2024. Through this initiative, it aims to increase profitability and position itself as a leader in the growing AI market.
10. Advanced Micro Devices
- Market cap: $394.51 billion (as of Feb. 3)
- Revenue (TTM): $32.0 billion
- Gross profit (TTM): $15.5 billion
- Five-year annualized return: 22.88%
- Year founded: 1969
NASDAQ: AMD
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About the Author
Lyle Daly has positions in ASML, Broadcom, and Nvidia. The Motley Fool has positions in and recommends ASML, Advanced Micro Devices, Amazon, Apple, HP, Intel, International Business Machines, Microsoft, Nvidia, Oracle, Palantir Technologies, PayPal, and Taiwan Semiconductor Manufacturing. The Motley Fool recommends Broadcom and recommends the following options: long January 2026 $395 calls on Microsoft, long January 2027 $42.50 calls on PayPal, short December 2025 $75 calls on PayPal, and short January 2026 $405 calls on Microsoft. The Motley Fool has a disclosure policy.
