Renowned billionaire investor Bill Ackman has made significant moves in his investment portfolio, with a focus on Microsoft (MSFT) and strategic sell-offs of Uber (UBER) and two hyperscaler companies.
According to the latest 13F filing by Ackman’s Pershing Square Capital, the fund allocated a whopping $2.092 billion to acquire 5,654,078 shares of MSFT in the first quarter of 2026.
This new investment in Microsoft marks Pershing’s largest purchase in Q1, making it the fourth-largest holding in the fund’s portfolio.
On the selling side, Pershing Square divested 248,963 shares of UBER, reducing its stake to 29,958,771 shares valued at $2.154 billion by the end of Q1.
During the same period, the fund also sold 645,921 shares of Alphabet’s Class A stock (GOOGL), bringing its ownership down to 32,376 shares worth $9.31 million.
Pershing Square also offloaded Alphabet’s Class C stock (GOOG), selling 5,852,145 shares and decreasing its holdings to 311,726 shares valued at $89.421 million.
The fund significantly reduced its positions in both GOOG and GOOGL by 95% in the last quarter.
Additionally, Pershing Square trimmed its holdings in the social media giant Meta (META) by selling 12,708 shares, resulting in a stake of 2,660,861 shares valued at $1.522 billion.
As of March 31st, Pershing Square’s largest holding is the Canadian investment management firm Brookfield Corporation (BN), representing 17.62% of its portfolio. This is followed by Amazon (AMZN) at 17.39%, Uber at 15.71%, Microsoft at 15.26%, and Restaurant Brands International (QSR) at 12.2%.
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Image Source: Midjourney



