
Person profile
Bill Ackman
Founder, Pershing Square
- Founded
- Pershing Square, Pershing Square Tontine
- Education
- Harvard Business School, Harvard University
Investments 19
Companies backed, as recorded by Dealroom. Highest company valuations first.

Amazon
$2.9T valuation (2026)Gigacorn
→

Cerebral
$4.8B valuation (2025)Unicorn
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Strive
$3B valuation (2026)
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TaxBit
$1.3B valuation (2023)Unicorn
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Kela Technologies
$1.2B valuation (2026)Unicorn
→

Precision Neuroscience
$1.2B valuation (2026)Unicorn
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Elemy
$1.1B valuation (2021)Unicorn
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WatchBox Global
$990M valuation (2021)
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Outtake
$240M valuation (2026)
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Lula
$213M valuation (2023)
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Goldfinch
$150M valuation (2022)
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CommonStock
$150M valuation (2021)
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Show 7 more investmentsShow fewer investments

KUDO
$126M valuation (2021)
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Better Health
$84M valuation (2024)
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PlaySight Interactive
$82M valuation (2021)
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Two Delta
$60M valuation (2026)

MOLTEN
$42M valuation (2021)

Nitrous
$40.2M valuation (2014)

Gaming Revolution for International Development
$600K valuation (2025)
Companies founded

Pershing Square

Pershing Square Tontine
$7.3B valuation (2026)
Currently
Active roles, board seats and partnerships.

Pershing Square Capital Management
Education

Harvard Business School

Harvard University
Talks 3
Interviews and talks Dealroom has written up, with the key moments.


