Three of the world’s most renowned investors have just invested billions in a wager on AI.
Berkshire Hathaway’s 13F filing for Q3 2025 shows that CEO Warren Buffett bought 17.85 millions shares in Alphabet, the parent company of Google. The position was valued at $4.3 billion.
Buffett has made his first investment ever in Alphabet, a sign of great confidence in its ability to increase digital dominance through AI.
Coatue Management, owned by billionaire Philippe Laffont, increased its Alphabet shares 259%. The company added 5.21 millions to 7.22 million, valuing the total at $1.27bn based on prices as of quarter end.
Alphabet is now the fourth largest position in Coatue’s portfolio, which has been known to focus on tech bets.
Duquesne Family Office, owned by billionaire Stanley Druckenmiller, also acquired 102,200 Alphabet stock valued at $24.8million.
This move is in line with Druckenmiller’s recent shift towards AI-driven technology stocks, amid strong market growth.
The combined investments of the billionaires total $5.6 billion.
Alphabet’s Q3 revenues grew 16% to $102.3 billion, thanks in part to AI innovation.
The global launch of Gemini 3’s enhanced reasoning, multimodal capabilities and the robust growth of Google Cloud AI infrastructure were the main factors behind this surge.
Image generated: midjourney
The post Billionaires Warren Buffett and Stanley Druckenmiller Pour $5,600,000,000 into a Single US Asset as Massive Bet for Future of AI could be updated to reflect new information.
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