Comprehensive foundation profile based on the most recent IRS Form 990 filing
The Pershing Square Foundation, based in New York, is a philanthropic organization with assets totaling approximately $404 million. The foundation focuses on a wide range of subject areas including arts and culture, education, health, public affairs, and community development, among others. It supports initiatives across various cities and states in the United States, including major cities like New York, Boston, and Chicago. The foundation's leadership includes William A. Ackman and Neri Oxman as trustees, Andrea Markezin as treasurer, and Olivia Tournay Flatto as president. The foundation's expenses amount to about $32.8 million, with a revenue of approximately $22.1 million. The foundation is committed to fostering social enterprise and leadership development, and it also engages in historic preservation and philanthropy.
Focus Areas
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Financials
+2.6% from previous year
68 grants awarded in 2024
Of total revenue spent on programs
Grants
| Purpose | Location | |||
|---|---|---|---|---|
| $20,000,000 | THE MOUNT SINAI HOSPITAL | GENERAL SUPPORT/ COVID-19 RESEARCH | New york, NY, US | 2022 |
| $7,500,000 | NEW VENTURE FUND | TO SUPPORT THEDREAM.US SCHOLARSHIPS | Washington, DC, US | 2022 |
| $6,000,000 | THE SHED | PERSHING SQUARE CHALLENGE | New york, NY, US | 2022 |
| $4,000,000 | PRESIDENT & FELLOWS OF HARVARD COLLEGE | PERSHING SQUARE PROFESSORSHIP FOUNDATIONS OF HUMAN BEHAVIOR | Cambridge, MA, US | 2022 |
| $4,000,000 | FIDELITY INVESTMENTS CHARITABLE GIFT FUND - FIDELITY DAF | EMERGENCY ASSISTANCE PROGRAMS | Boston, MA, US | 2023 |
| $2,354,108 | UNIVERSITY OF OXFORD | SUPPORT FOR THE OXFORD GLOBAL LEADERSHIP CENTRE | Oxford, UK | 2023 |
| $2,349,382 | UNIVERSITY OF OXFORD | OXFORD SAID GLOBAL LEADERSHIP CENTRE PROJECT | Oxford, UK | 2022 |
| $2,221,936 | UNIVERSITY OF OXFORD | SUPPORT FOR THE OXFORD GLOBAL LEADERSHIP CENTRE | Oxford, UK | 2024 |
| $2,200,000 | ROBIN HOOD FOUNDATION | GENERAL SUPPORT | New york, NY, US | 2022 |
| $2,100,000 | ROBIN HOOD FOUNDATION | SUPPORT FOR THE PERSHING SQUARE FOUNDATION IMMIGRANT OPPORTUNITY FUND | New york, NY, US | 2023 |
People
Compensation data from most recent available 990 forms
| Title | |||
|---|---|---|---|
OT
OLIVIA TOURNAY FLATTO
| PRESIDENT | $403,890 | 2024 |
WA
WILLIAM A ACKMAN
| TRUSTEE | $0 | 2024 |
NO
NERI OXMAN
| TRUSTEE | $0 | 2024 |
AM
ANDREA MARKEZIN
| TREASURER | $0 | 2024 |
WILLIAM A ACKMAN
TRUSTEE
NERI OXMAN
TRUSTEE
ANDREA MARKEZIN
TREASURER
OLIVIA TOURNAY FLATTO
PRESIDENT
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Financial data sourced from IRS 990 forms via ProPublica Nonprofit Explorer
View on ProPublica Nonprofit ExplorerLast updated on August 25, 2025