Bill Ackman ‘s Pershing Square poured hundreds of millions of dollars into Amazon shares as 2025 wrapped up. The fund expanded its stake by more than $865 million, or by 65%, to a value above $2.2 billion in the fourth quarter of last year, regulatory fillings show. Pershing’s Amazon holding is now its third largest, sitting behind Brookfield and Uber , according to InsiderScore. Ackman’s move came as Amazon’s stock jumped 5% in the three-month period, ending 2025 higher by around the same amount. But the e-commerce giant has fallen on harsher times since, sliding more than 12% in the first quarter of 2026. The stock on Tuesday snapped a nine-day losing streak that erased more than $450 billion in market cap. AMZN 1Y mountain Amazon, 1-year The lion’s share of analysts polled by LSEG have buy ratings on the stock. Their average price target suggests shares can rebound by more than 38% over the next year. Ackman announced a stake in Meta earlier this month that accounted for around 10% of the firm’s portfolio at the end of last year. The billionaire investor said the stock had a “deeply discounted valuation.” Pershing’s position in the Facebook parent is worth more than $1.7 billion, according to Insider Score. Shares dropped around 10% in the fourth quarter and have slid more than 3% since 2026 began. Elsewhere in megacap tech, Ackman slashed more than 38% off his Alphabet holding. He also zeroed out his stake previously worth around $780 million in Chipotle .







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