Bill Ackman, David Tepper, and other top investors lifted Amazon stakes sharply in Q1 2026 13F filings released May 15.

Microsoft stock dipped after the Gates Foundation sold its final $3.2B MSFT stake to fund a $9 billion philanthropy push.

Bill Ackman's Pershing Square Capital Management has built a position in Microsoft, the billionaire hedge fund manager said ...

Billionaire investor Bill Ackman said on Saturday that ​the sale of Google ‌parent Alphabet's shares was not a bet against ...

Microsoft (MSFT) stock climbed 3.7% after Bill Ackman's Pershing Square revealed a major stake, while TCI sold its $8B ...

Bill Ackman built a new Microsoft stake while Daniel Loeb sold his entire position. The two also took opposite sides on Alphabet during Q1 2026. Both opened positions in Meta. Billionaire investors ...

About Pershing Square USA Ltd. Pershing Square USA is a non-diversified closed-end management investment firm. It aspires to invest largely in large-capitalization growth companies with favorable ...

Billionaire investor Bill Ackman’s Pershing Square disclosed a new position in Microsoft and reduced its stake in Uber Technologies , among its first quarter moves. The fund dis ...

The fund’s latest 13F filing was submitted to the Securities and Exchange Commission on Friday.

The PHLX Semiconductor index fell by roughly 3% after President Trump announced that China was not planning to buy Nvidia's H200 GPUs, despite Nvidia Chief Executive Jensen Huang's accompaniment of ...

Bill Ackman’s Pershing Square has built a $2.1 billion stake in Microsoft Corp., taking advantage of a decline in the company’s share price to invest in a business that he said is stronger and more ...

The investor says the tech company is underpriced, and he will disclose the stake in regulatory filings later Friday.