The Commonwealth Fund is a private foundation that aims to promote a high-performing healthcare system that achieves better access, improved quality, and greater efficiency, particularly for society's most vulnerable, including low-income people, the uninsured, and people of color. The organization conducts research, analyzes data, and supports a range of activities to improve health care and promote a high-performing health system. The Commonwealth Fund was established in 1918 with a $10 million endowment from Anna M. Harkness. Since its inception, the organization has played a major role in the development of health care policy in the United States.