22.4% of Billionaire Bill Ackman’s Pershing Square Capital Management Is Invested in These 2 Artificial Intelligence (AI) Stocks
Bill Ackman's Pershing Square Capital Management has significant investments in Microsoft (11.89%) and Amazon (10.49%), focusing on AI and cloud growth. Microsoft reported Q4 FY2026 revenue of $90B (+18% YoY), with cloud revenue up 27%. Amazon's Q2 sales grew 20% YoY to $200.6B, with AWS cloud revenue up 37%. Both companies are leveraging AI to boost cloud sales.
How this was made

The 30-second read
Why it matters
Provides qualitative insight but no new primary data; limited trading impact.
Market read
Reinforces bullish view on AI cloud leaders but adds little new information for traders.
What to watch
Potential competitive pressure from other AI cloud providers not discussed.
Background
The piece is a commentary on Bill Ackman's Pershing Square AI‑focused holdings, using recent earnings data.
Ticker impact
Article cites Microsoft’s Q4 FY2026 results (18% revenue growth, 27% cloud growth) and notes Pershing Square increased its stake.
Potential modest price lift on near-term buying pressure.
Fund’s stake increase signals confidence, but earnings already known.
Article references Amazon’s Q2 results (20% sales growth, 37% AWS growth) and mentions Pershing Square reduced its stake.
Limited impact; may see slight pullback or sideways action.
Earnings are public; fund’s reduction is a secondary factor.
Market effects
Highlights continued AI‑driven growth in cloud sector.
U.S. large‑cap tech stocks may see modest activity.
Reinforces broader AI hype but no new global catalyst.
Counterpoint
Fund’s stake reduction in Amazon suggests caution despite strong earnings.
Key entities
- IndividualBill Ackman
Founder and CEO of Pershing Square Capital Management.
- Hedge FundPershing Square Capital Management
Investment vehicle holding significant positions in MSFT and AMZN.


