NVIDIA is the world's most valuable publicly traded company as of May 2026, with a market capitalization of approximately $5.41 trillion. Alphabet sits second at $4.70 trillion, followed by Apple at $4.44 trillion. The full club of trillion dollar entities, known as the Kilocorn Club, now has thirteen members. Their combined value is roughly $33 trillion, more than the gross domestic product of every country except the United States and China.
The 13 trillion dollar companies, ranked
| # | Company | Sector | Market cap | First crossed $1T |
|---|---|---|---|---|
| 1 | 🇺🇸 NVIDIA NVDA | Semiconductors, AI | $5.41T | Jun 5, 2024 |
| 2 | 🇺🇸 Alphabet GOOGL | Technology | $4.70T | Jul 13, 2024 |
| 3 | 🇺🇸 Apple AAPL | Technology | $4.44T | Aug 2, 2018 |
| 4 | 🇺🇸 Microsoft MSFT | Software, Cloud | $3.13T | Apr 25, 2019 |
| 5 | 🇺🇸 Amazon AMZN | E-commerce, Cloud | $2.85T | Sep 4, 2018 |
| 6 | 🇹🇼 TSMC TSM | Semiconductors, AI | $2.08T | Oct 2024 |
| 7 | 🇺🇸 Broadcom AVGO | Semiconductors, AI | $1.96T | Dec 2024 |
| 8 | 🇸🇦 Saudi Aramco 2222.SR | Energy | $1.80T | Dec 11, 2019 |
| 9 | 🇺🇸 Tesla TSLA | Automotive, AI | $1.57T | Oct 25, 2021 |
| 10 | 🌐 Bitcoin BTC | Digital currency | $1.56T | Feb 19, 2021 |
| 11 | 🇺🇸 Meta META | Social, AI | $1.54T | Jun 28, 2021 |
| 12 | 🇺🇸 Walmart WMT | Retail | $1.04T | Oct 14, 2025 |
| 13 | 🇺🇸 Berkshire Hathaway BRK-B | Conglomerate, Insurance | $1.04T | Aug 28, 2024 |
Market caps update in real time on the Kilocorn Club page. Bitcoin's value reflects the total notional worth of all circulating BTC at the current spot price.
How NVIDIA took the top spot
Apple held the title of world's most valuable company for most of the period between 2010 and mid-2024. NVIDIA passed Apple in June 2024, then crossed $4 trillion in July 2025 and $5 trillion in early 2026, lifted by demand for its Blackwell AI accelerators. For the full story, see our reference on NVIDIA's market cap.
Bigger than entire economies
NVIDIA alone is now larger than the gross domestic product of Germany, the United Kingdom, France or India. The combined market cap of the top three, NVIDIA plus Alphabet plus Apple, exceeds the GDP of every country other than the United States and China. Walmart became the first retailer to join the club in October 2025.
Frequently asked questions
What is the most valuable company in the world?
NVIDIA, with a market capitalization of approximately $5.41 trillion as of May 2026. Alphabet is second at $4.70 trillion, Apple third at $4.44 trillion.
How many trillion dollar companies are there?
Thirteen. Twelve public companies plus Bitcoin, the only decentralized asset to cross $1 trillion. Together they make up the Kilocorn Club.
Which was the first trillion dollar company?
Apple, which closed above $1 trillion for the first time on August 2, 2018.
Is Walmart a trillion dollar company?
Yes. Walmart crossed $1 trillion on October 14, 2025, becoming the first retailer to do so and the thirteenth Kilocorn.
What is the combined value of all trillion dollar companies?
About $33 trillion as of May 2026, more than the gross domestic product of every country except the United States and China.