Billionaire investor Bill Ackman disclosed a new stake in Microsoft ($MSFT) in Pershing Square Capital Management’s latest 13F filing while sharply reducing the firm’s position in Alphabet ($GOOG). The filing showed Pershing built a Microsoft position during Q1 2026 that's worth around $2.3 billion today. Ackman said the stock declined following earnings. Ackman described Microsoft’s valuation, Azure cloud business, and AI positioning as key drivers behind the investment.
- Pershing Square disclosed ownership of about 5.65 million Microsoft shares valued at approximately $2.09 billion at the end of Q1 2026.
- The firm reduced its Alphabet Class C shares from more than 6.1 million shares in Q4 2025 to roughly 312,000 shares in Q1 2026.
- Alphabet Class A holdings also fell from roughly 678,000 shares to about 32,000 shares quarter-over-quarter.
- Ackman said Pershing previously bought Amazon ($AMZN) following the “Liberation Day” selloff and added Meta Platforms ($META) after concerns around AI-related capital expenditures.
- The filing also showed reduced positions in Uber, Brookfield, and Restaurant Brands compared with the prior quarter.
Relevant Companies
- Microsoft ($MSFT) - Pershing Square established a multi-billion dollar new position tied to AI and cloud computing growth.
- Alphabet ($GOOG) - Pershing Square sharply reduced its stake after previously building the position following the 2022 AI selloff.
- Meta Platforms ($META) - Ackman identified Meta as another recent AI-related investment opportunity.
Editor’s Note: This is a developing story. This article may be updated as more details become available.
