Billionaire Investor Bill Ackman: Buying Microsoft, Meta, and Amazon Today Could Be Like Adding Buffett’s Berkshire Hathaway 25 Years Ago
Bill Ackman of Pershing Square said on the All-In Podcast that mega-cap stocks are being undervalued like Berkshire Hathaway was during the dot-com peak. He cited holdings in Microsoft, Meta and Amazon, noting Microsoft’s AI revenue run rate exceeded $37 billion (up 123% YoY) and Meta’s Q1 revenue rose 33.1%. He warned niche software charging about $30,000/year faces AI replication risk.
Article is a bullish read-through on MSFT AI durability despite YTD weakness, but it’s primarily an investor commentary rather than a new MSFT datapoint.
Ackman highlights Microsoft’s AI revenue run-rate exceeding $37B and notes shares down ~11% YTD, framing an undervaluation thesis.
Near-term: modest support for dip-buying sentiment; no clear catalyst beyond narrative.
Background
Bill Ackman (Pershing Square) compares today’s mega-cap AI leaders to Berkshire Hathaway’s ‘ignored’ valuation during the dot-com bubble, arguing capital is chasing newer themes.
Why it matters
The main tradable element is relative sentiment: MSFT/META/AMZN are framed as undervalued AI compounders despite YTD weakness, while CRM is positioned as a counterexample where AI agents (Agentforce) and buybacks may mitigate replication risk.
Market relevance
This is a narrative-driven positioning piece for US AI mega-caps and a relative-value debate versus premium SaaS; it contains some company-specific quantitative references (notably CRM buyback/Agentforce ARR).
Market effects
Reinforces ‘AI incumbents’ vs ‘niche SaaS replication risk’ debate; may shift relative-value focus toward hyperscalers and away from premium niche software.
Primarily US mega-cap sentiment; limited direct regional transmission beyond US tech complex.
Global AI equity narrative (compute scale/distribution) may support large-cap tech risk appetite internationally.
Alternative perspectives
The dot-com analogy may overstate ‘ignored quality’ and underweight that AI disruption risk is structurally higher for software economics than for platform incumbents.
The article is commentary-heavy; it doesn’t provide new, time-stamped company actions (e.g., fresh guidance) for MSFT/META/AMZN, so price reactions may fade once narrative trades unwind.
Key entities
- personBill Ackman
Pershing Square billionaire investor making the AI mega-cap undervaluation thesis on the All-In Podcast.
- companyMicrosoft
Cited for AI revenue run-rate >$37B and Azure growth; used as an ‘AI compounder’ example.
- companyMeta Platforms
Cited for user scale and revenue growth; used as an ‘AI compounder’ example.
- companyAmazon
Cited for AWS growth and advertising strength; included as an AI beneficiary but mentioned as excluded from a separate top-10 list.
- companySalesforce
Used as the ‘SaaSpocalypse risk’ example, then countered with Agentforce ARR growth and a $25B accelerated buyback.




