Buffett Cuts Amazon Stake 77% as Ackman Raises It 65%
Berkshire Hathaway slashed its Amazon stake by 77% to just 0.1% of its portfolio in Q4 2025, while Pershing Square increased its holding by 65% to 14% of its assets. Amazon shares have risen 10% year-to-date on robust AI-driven demand in AWS and favorable sentiment.
1. Berkshire Hathaway Cuts Stake
In Q4 2025, Berkshire Hathaway trimmed its Amazon position by 77%, leaving the tech giant’s shares at just 0.1% of Warren Buffett’s portfolio. The move marked one of Berkshire’s most significant reductions in a major tech holding during the period.
2. Pershing Square Boosts Position
During the same quarter, Pershing Square Capital Management raised its Amazon allocation by 65%, bringing the stake to 14% of its total investments. Bill Ackman’s firm cited long-term growth prospects and resilience in Amazon’s business model as the rationale.
3. AWS AI Growth Drives Shares
Amazon’s stock has climbed 10% year-to-date, largely propelled by rapid adoption of AI capabilities through its AWS platform. Investors have rewarded the company for expanding cloud margins and securing new enterprise AI contracts.