ProPublica - MacArthur Foundation
webThis ProPublica page provides financial transparency data for the MacArthur Foundation, a major funder of AI governance and technology policy research; useful for understanding philanthropic funding flows in the AI safety ecosystem.
Metadata
Importance: 15/100organizational reportreference
Summary
This is a ProPublica Nonprofit Explorer page for the John D. and Catherine T. MacArthur Foundation, displaying its public financial filings and organizational data. The MacArthur Foundation is a major philanthropic organization that has funded AI governance, technology policy, and related research initiatives.
Key Points
- •Provides public access to MacArthur Foundation's IRS Form 990 filings, showing financial transparency for this major philanthropy
- •MacArthur Foundation funds significant work in technology policy, AI governance, and related fields relevant to AI safety
- •Allows researchers to track grant-making patterns and organizational finances over time
- •Useful for understanding the funding landscape of AI governance and policy research organizations
- •EIN 23-7093598 identifies this as the John D. and Catherine T. MacArthur Foundation
Cited by 1 page
| Page | Type | Quality |
|---|---|---|
| MacArthur Foundation | Organization | 65.0 |
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John D & Catherine T Macarthur Foundation - Nonprofit Explorer - ProPublica
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John D & Catherine T Macarthur Foundation
Chicago, IL
Tax-exempt since Feb. 1971
EIN: 23-7093598
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Organization summary
Type of Nonprofit
Designated as a 501(c)(3)
Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.
Category :
Philanthropy, Voluntarism and Grantmaking Foundations /
Private Grantmaking Foundations
(NTEE)
Donations to this organization are tax deductible.
Summary charts: organization finances over time
Revenue $891M (2024)
Expenses $415M (2024)
Total Assets $9.31B (2024)
Total Liabilities $661M (2024)
Source: Form 990 tax filings from 2011 to 2024
Tax Filings by Year
Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS.
Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.
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Fiscal Year Ending Dec.
2024
Extracted Financial Data
Extracted Financial Data from Form 990-PF
Revenue
$890,851,721
Expenses
$414,659,854
Net Income
$476,191,867
Net Assets
$8,650,796,551
Notable Sources of Revenue
Percent of Total Revenue
Contributions Received
$0
Interest Revenue
$53,429,947
6.0%
Dividends
$13,198,185
1.5%
Sales of Assets
$266,472,707
29.9%
Other Income
$557,750,882
62.6%
Notable Expenses
Percent of Total Expenses
Charitable Disbursements
$423,815,311
> 100%
Compensation of Officers*
$5,378,666
1.3%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
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