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Head-to-head comparison
Warren Buffett vs Bill Ackman
Warren Buffett
Q10/10Berkshire Hathaway
"Buy wonderful companies at fair prices. Hold forever."
10 positionsSince 1965
Bill Ackman
Q8/10Pershing Square Capital
"Concentrated bets on high-quality businesses with activist catalysts."
8 positionsSince 2004
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Remove with Pro →Recent moves — Q1 2026
Latest quarter activity for each manager.
Data sourced from 13F filings with the SEC. Overlap in top positions is a concrete consensus signal, not investment advice.