About Margaret A. Cargill Philanthropies Margaret A. Cargill Philanthropies (MACP) is the umbrella over the grantmaking foundations created by the late Margaret Cargill: Margaret A. Cargill Foundation and Anne Ray Foundation. MACP provides meaningful support through long-term relationships with strategic grantee partners across seven program domains: Environment, Disaster Relief & Recovery, Arts & Cultures, Teachers, Animal Welfare, Quality of Life, and Legacy & Opportunity. The collective assets of MACP place it among the 10 largest philanthropies in the United States. The two foundations have separate boards and investment portfolios but share a common mission of providing meaningful assistance and support to society,