Berkshire Hathaway's fourth-quarter 2025 regulatory filing unveiled significant portfolio recalibration under Warren Buffett's leadership, reflecting shifting strategic priorities within the conglomerate's massive equity holdings. The company maintained its substantial Google position while divesting approximately 77% of its Amazon stake, a move that underscores management's relative assessment of the two tech giants' competitive positioning in artificial intelligence and cloud infrastructure development.
The 13F filing also documented other portfolio adjustments, including the establishment of a new position in New York Times Company shares and the continued reduction of Apple holdings. These changes occurred during a period of heightened investor focus on artificial intelligence capabilities and cloud computing infrastructure, key growth areas where both Amazon and Google compete directly.
Buffett's decision to retain Google exposure while substantially trimming Amazon represents a notable divergence from Wall Street consensus, as numerous analysts maintain higher price targets on Amazon shares. The portfolio moves provide insight into how Berkshire's investment committee is evaluating long-term competitive advantages within the technology sector, particularly regarding AI strategy execution and market positioning.

