Bill Ackman Bought Google After the ChatGPT Panic (Up 300%). He Bought Amazon After Liberation Day (Up 36%). Now He's Backing Up The Truck Again.

"His Pershing Square just disclosed a new position in Microsoft ( NASDAQ:MSFT | MSFT Price Prediction) on May 15, 2026, and Ackman called the valuation "highly compelling" in an X post tied to the filing. He began accumulating the stake in February 2026, right after the December quarter spooked the market with slower cloud growth and a swelling capex ramp. The pattern this completes is the part worth studying."

"Start with Alphabet ( NASDAQ:GOOGL). Pershing built the position after the ChatGPT release in late 2022, when Wall Street had decided that generative AI would gut Google Search. From December 1, 2022 through May 14, 2026, the technology-packed Nasdaq favorite has vaulted roughly 300%, from $100.16 to $401.07 on a split-adjusted basis. Perishing's actual cost basis and returns will vary a bit from these peak moments of fear to today, of course."

"Amazon ( NASDAQ:AMZN) was the 2025 entry. Pershing piled into the e-commerce and cloud titan after President Trump's "Liberation Day" tariffs on April 2, 2025 rattled retail names with import exposure. From that day through May 14, 2026, Amazon has gained roughly 36%, climbing from $196.01 to $267.22. The most recent Amazon quarter reinforced the buy: AWS revenue of $37.59 billion grew 28%, the fastest pace in 15 quarters."

"Then came Meta Platforms ( NASDAQ:META), which Pershing added after Meta's capex forecast rattled investors. Meta is down 6% year to date, but the underlying business is doing things that do not look like a thesis-breaker. Q1 ad revenue rose 33% with ad impressions up 19% and pricing up 12%. Family daily active people hit 3.56 billion."

Pershing Square has been adding to large technology holdings at moments when investors are most concerned about crowded AI trades, high capital expenditures, and slowing growth. A new Microsoft position was disclosed on May 15, 2026, with valuation described as highly compelling. Accumulation began in February 2026 after a December quarter raised worries about slower cloud growth and a capex ramp. Earlier buys followed similar timing: Alphabet was added after the ChatGPT release in late 2022 when fears grew that generative AI would damage Google Search. Amazon was added in 2025 after tariff-related market pressure, and Meta was added after capex forecasts unsettled investors, while key operating metrics remained strong.

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