Intuitive Machines (LUNR 1.10%) made history in 2024 as the first commercial company to successfully land on the moon. Now, the company is executing on its vision, with Q revenue of $62.5 million and its first-ever positive free cash flow of $13.3 million. 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. Founded by a chemist and Union Army veteran of the same name, Eli Lilly is one of the world’s largest pharmaceutical companies.

Alphabet (Google)

With the increased need for AI chips, 5G networks, and cloud computing, it has emerged as one of the world’s most valuable chipmakers. The table below presents the ten largest U.S. companies by market capitalization as of early 2025. The company had one of the largest increases in market cap in 2023 where the value changed by an estimated 184 percent. Market value has been doing well since then, as the company reached the one trillion milestone in the following year.

• Google’s dominance over online searches hasn’t been without controversy, as Alphabet has been embroiled in antitrust lawsuits.
• The $65 trillion US stock market may be particularly gripped by Big Tech’s ups and downs these days, but it hasn’t always been this way.
• OUST – Ouster, a LiDAR company for industrial and automotive applications.
• In addition, Tesla’s stock has been volatile, but it continues to dominate the EV market.
• It has captured that position several times in 2024 and 2025, and during that time, it has also recorded both the largest one-day gains and losses in Wall Street history.

The company is known for its clinical depression drugs Prozac and Cymbalta, while its primary revenue drivers are the diabetes drugs Humalog and Trulicity. The conglomerate has its roots in multiple avenues including insurance, freight rail transportation, and utility, with the insurance business being its capital source. Musk’s push to form a third party was inspired in part by a user poll he posted on X, formerly Twitter, where a majority backed the idea. His departure from DOGE had buoyed Tesla’s stock, but the new political ambitions have rattled even his biggest supporters.

Companies 11-15

Ignoring them is like ignoring the scoreboard in a championship game. Alphabet is the final company to earn a spot within the top five rank. Apart from being the parent company to Google, Alphabet also owns other notable companies like YouTube, Waze, Nest, and Fitbit. The corporation recently reached the two trillion dollar mark in 2024, bringing home a market cap value of $2.365 trillion.

World stocks

Stocks are an expression of that value, but they use the present reality to project future expectations. S&P 500 tech companies’ estimated earnings grew about 50% in 2023 and 2024, yet their share prices jumped 112%. Some analysts believe that if AI hopes can keep the stock market chugging along, maybe it can do the same to the economy. After all, companies invested an inflation-adjusted $2.2 trillion on computers and other processing equipment last quarter, about one-seventh of the $16 trillion Americans spent on goods and services. Investing more in AI does ultimately help boost the economy, but that $2 trillion is peanuts compared with the real engine of the US economy.

Already listed in Shenzhen, the company raised more than $5 billion in a secondary listing in Hong Kong in May, in what is the world’s biggest such offering so far this year. These factors helped push a flurry of mainland China-traded companies to seek secondary listing in Hong Kong, including battery maker Contemporary Amperex Technology. In an apparent shift to support the private sector, Chinese President Xi Jinping told the nation’s top business leaders in February that the country needs their help to deliver economic growth. In the first half of this year, there were 43 new listings in Hong Kong, with proceeds topping $13.6 billion, surpassing the total sum raised in 2024, data from financial data platform Wind Information showed. Oscar Health (OSCR 1.58%) just posted 42% revenue growth to $3 billion in Q1 2025, with membership surpassing 2 million. The company’s tech-first approach to health insurance is finally hitting scale, with net income jumping to $275 million from $177 million year over year.

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Microsoft Corporation is involved largely in the development and support of software, services, devices and solutions worldwide. Market capitalization doesn’t always tell investors the whole story, so here’s some additional information about the world’s biggest companies, as of June 2025. Copyright © 2025 FactSet Research Systems Inc.© 2025 TradingView, Inc.

Nvidia ($3.052T)

• It is the ultimate tangled web of logic, psychology, and mixed incentives.
• The company had one of the largest increases in market cap in 2023 where the value changed by an estimated 184 percent.
• While traditional carmakers like Ford and GM are making more EVs, Tesla still leads with its battery technology, self-driving software, and global charging network.
• It was a pioneer in the development of the graphics processing unit (GPU), whose initial applications were primarily used for PC graphics and video games.
• ASTS – AST SpaceMobile, pioneering satellite-to-smartphone connectivity.

It continues to grow through its subscription services (Apple Music, iCloud, Apple Pay) and investments in artificial intelligence (AI). Today, tech companies dominate the biggest corporations in the world. In decades past, trading companies, railroads, and steelworks held the reins.

Apple

Amid cutthroat competition at home and flared-up trade tensions with the U.S., Beijing has called on its leading companies to expand globally and diversify their manufacturing locations. That has prompted onshore investors to shift money to Hong Kong-listed equities, bolstering the Southbound inflows to account for nearly half of Hong Kong’s daily stock turnover, according to Sun’s estimates. As of Wednesday’s close, Hong Kong’s Hang Seng index has gained a stellar 21% so far this year, making it one of the best-performing major markets globally.

In comparison, there were only 73 listings in 2023, raising just $5.9 billion, according to HKEX data. Palantir (PLTR -1.45%) needs no introduction, but its 2025 setup is particularly compelling. The company’s AI Platform (AIP) is seeing explosive adoption, with U.S. commercial customer count growing 39% year over year, while U.S. commercial revenue surged 71%.

Berkshire Hathaway, led by legendary investor Warren Buffett, is one of the world’s biggest investment companies. It owns major stakes in companies like Apple, Coca-Cola, Bank of America, and American Express. Additionally, it has a strong investment in insurance, railroads, energy, and retail sectors, which makes it one of the most stable companies Bull by the Horns in the world. Nvidia started as a gaming graphics card company, but gradually it became a leading company in artificial intelligence (AI) and data processing.

Market cap guides investors about how big a company is compared to others. Microsoft is a global developer and licenser of software, devices, and services. The company is well known for its Windows and Office Suite software as well as its Xbox gaming hardware. The company is gaining more of its profits and revenue from cloud computing services, for which it is a market leader.

Get stock recommendations, portfolio guidance, and more from The Motley Fool’s premium services. Large-cap stocks like these are an important part of every investor’s portfolio. They generally provide more safety and stability than smaller stocks since most of them are established companies with strong brands. After nearly 60 years as Berkshire’s CEO, Buffett announced he’ll be stepping down from that role in January 2026.