The John D. and Catherine T. MacArthur Foundation is a foundation based in Chicago, United States. Verified contact details, AUM data, and investment preferences on FindLPs.
The John D. and Catherine T. MacArthur Foundation supports creative people, effective institutions, and influential networks building a more just, verdant, and peaceful world. MacArthur is placing a few big bets that truly significant progress is possible on some of the world's most pressing social challenges, including over-incarceration, global climate change, nuclear risk, and significantly increasing financial capital for the social sector. In addition to the MacArthur Fellows Program, the Foundation continues its historic commitments to the role of journalism in a responsible and responsive democracy, as well as the strength and vitality of our headquarters city, Chicago.MacArthur is one of the nation's largest independent foundations. Organizations supported by the Foundation work in about 40 countries. In addition to Chicago, MacArthur has offices in India, Mexico, and Nigeria.
Investment types: Venture Capital, Philanthropy
Sectors & themes: ClimateTech, Socially Responsible Investments (SRI), Publishing, Grants & Scholarships, Culture & Heritage, Community & Social Welfare, Charitable Investments, Digital Media High-Level Sectors, Values-Based Investing, Technology, Media & Telecom (TMT), Sales & Marketing, Non-Profit, Finance, Alternative Investments, TMT (Technology - Media - Telecom)
Preferred geographies: United States, United Kingdom, Global, Europe, Emerging Markets, Canada, Australia/New Zealand, Asia/Pacific, Africa, Latin America
Location: 140 South Dearborn Street\nSuite 1200\nChicago\nIllinois\n60603\nUnited States
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LP firm data compiled from public regulatory filings (SEC Form ADV, FCA, AIFMD disclosures), company websites and press releases, LinkedIn public profiles, and verified outbound email testing. AUM figures reflect self-reported values from filings and may lag by 1–2 fiscal quarters; bands are normalized in USD. We do not publish personal residential information; firms or individuals may request removal at /contact. Methodology & sources · Updated July 2026.