United States

Bill Ackman

Pershing Square · concentrated equity activism

Founder and CEO of Pershing Square Capital Management. Runs a concentrated portfolio of eight to twelve equity positions, frequently engaging publicly with management on capital allocation. Quarterly letters explain each name's underlying business in detail.

Every entry below is an auto-generated factual summary of a public filing or disclosure. Not investment advice. Verify before acting.

X · @BillAckman
Jul 15, 2026
The answer is @Alphaschool https://t.co/vLOA8LOWZL
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X · @BillAckman
Jul 15, 2026
Crazy and crooked. https://t.co/y8XjslWTkK
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X · @BillAckman
Jul 15, 2026
China is not putting moratoriums on data centers. The race for super intelligence needs to be won by the USA or our country and democracy will be at risk. https://t.co/6KqrSJ5QHR
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X · @BillAckman
Jul 14, 2026
I was interviewed on Ariel Whitman's podcast about Israel, the Iran war, $PSUS, $PS, AI, and a number of other topics: https://t.co/leAn9G0u0B