Billionaire Money Managers Have Chosen Their 2 Favorite AI Stocks (and It's Not Nvidia or Alphabet)

The evolution of artificial intelligence (AI) has, thus far, lived up to its billing as the most game-changing trend since the advent and proliferation of the internet in the mid-to-late 1990s. This multitrillion-dollar global opportunity is attracting investment capital at a never-before-seen clip -- and Wall Street's savviest billionaire money managers have taken notice. Thanks to quarterly filed Form 13Fs, we know exactly which AI stocks the most successful billionaire fund managers have been buying and selling. What might surprise you is that neither graphics processing unit (GPU) kingpin Nvidia (NASDAQ:NVDA) nor Alphabet (NASDAQ:GOOGL)(NASDAQ:GOOG) is billionaires' favorite AI stock. That distinction is reserved for Amazon (NASDAQ:AMZN) and Taiwan Semiconductor Manufacturing (NYSE:TSM). Missed Nvidia in 2009? This Rare Signal Is Flashing Again. In 2009, a "Double Down" signal flashed for a little-known chipmaker called Nvidia. For the first time in years, that same "Total Conviction" signal is flashing for a company 1/100th the size of Nvidia. Continue " Image source: Getty Images. Billionaires love AWS's potential I reviewed the top-four holdings of nearly 20 billionaire investors and looked for common links in the AI arena. Only two stocks appeared as a top-four holding for at least five billionaires, and Amazon was one of them: Although Amazon is best known for its dominant online marketplace, its most impressive growth has come from seizing the bull by the horns as an AI applications giant. Prior to the AI revolution taking shape, cloud infrastructure services platform Amazon Web Services (AWS) was growing sales in the high teens. Since AWS integrated generative AI and large language model capabilities, year-over-year growth has pushed to an 18-quarter high of 37% as of the June-ended quarter. The beauty of AWS is that its margins are significantly higher than those seen in Amazon's e-commerce and advertising operations. Even though AWS accounted for less than 21% of net sales through the first half of 2026, this segment has generated 60% of the company's operating income. Image source: Getty Images. TSMC is foundational to the AI infrastructure build-out Whereas Amazon is the preferred AI applications stock for billionaire money managers, they've gravitated to contract chip manufacturing goliath Taiwan Semiconductor Manufacturing (better known as TSMC) as their favorite AI hardware stock: * No. 1 holding for Chase Coleman at Tiger Global Management * No. 1 holding for Philippe Laffont at Coatue Management * No. 2 holding for Stanley Druckenmiller at Duquesne Family Office * No. 2 holding for Ole Andreas Halvorsen at Viking Global Investors * No. 3 holding for David Tepper at Appaloosa The ability of hyperscalers to rapidly expand their AI-accelerated data centers depends on TSMC's chip-on-wafer-on-substrate (CoWoS) capacity. This packaging technology, which connects GPUs and high-bandwidth memory, is essential for rapid data transfers in AI-accelerated data centers. TSMC has been expanding its CoWoS capacity at a breakneck pace and has had little trouble locking in future orders at advantageous prices. Clearly, billionaires are pleased with the company's transparent cash-flow runway. But the best thing about TSMC might just be its dominance in global chip manufacturing beyond AI. It's a key player in manufacturing central processing units and chips used in smartphones and automobiles. If an AI bubble forms and subsequently bursts, TSMC has a solid foundation to fall back on. Should you buy stock in Amazon right now? Before you buy stock in Amazon, consider this: The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now... and Amazon wasn't one of them. The 10 stocks that made the cut could produce monster returns in the coming years. Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you'd have $383,680!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you'd have $1,382,954!* Now, it's worth noting Stock Advisor's total average return is 937% -- a market-crushing outperformance compared to 214% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built by individual investors for individual investors. See the 10 stocks " *Stock Advisor returns as of September 29, 2026. Sean Williams has positions in Alphabet and Amazon. The Motley Fool has positions in and recommends Alphabet, Amazon, Nvidia, and Taiwan Semiconductor Manufacturing. The Motley Fool has a disclosure policy.

Billionaire Money Managers Have Chosen Their 2 Favorite AI Stocks (and It's Not Nvidia or Alphabet)

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