John D. and Catherine T. MacArthur Foundation
Foundation / Endowment
United States
John D. and Catherine T. MacArthur Foundation has 1 documented commitment as of 2026. Typical fund size 400M-1B. Most active in United States.
Distinct funds backed1
Typical fund size400M-1B
LPs seen in the same funds3
Sectors backedAutomation of the real economy
Active on record2026
Documented commitments1
HeadquartersChicago, United States
Geographic focusUnited States
Most recent fund backedBase10 Partners Fund
Mandate
The MacArthur Foundation supports creative people and effective institutions committed to building a more just, verdant, and peaceful world. In addition to selecting the MacArthur Fellows, we work to defend human rights, advance global conservation and security, make cities better places, and understand how technology is affecting children and society.