Impact Investment and Grant Guidelines

We invest catalytic capital that fills significant gaps left by the conventional marketplace, driving financing to organizations, enterprises, and initiatives that address some of the world’s most pressing problems. In addition, we make grants to build a more robust and dynamic impact investing marketplace. 

Today, we are focusing on the following priorities: 

  • Impact investments that advance the goals of the Foundation’s philanthropic programs and strategies. For example, we support the Chicago Commitment program by investing deeply in our hometown, helping nonprofits, social enterprises, and intermediaries that expand opportunity and empower marginalized communities. We also make impact investments to support our Climate Solutions Big Bet, with an initial focus on rooftop and off-grid solar in India.
  • Grants to support the impact investment field globally, including support for impact investing networks, impact measurement and management, and industry collaborations.
  • Investments and grants to advance the Catalytic Capital Consortium, our collaborative initiative with the Omidyar Network and The Rockefeller Foundation. Learn about the Catalytic Capital Consortium grant funding priorities for the grants made through New Venture Fund for this initiative.
  • Benefit Chicago, a collaboration between MacArthur, the Chicago Community Trust, and Calvert Impact Capital, that has mobilized nearly $100 million in catalytic capital for nonprofits and social enterprises in Chicago.

Recipients of our investment and grant support may include traditional nonprofits, for-profit social enterprises, special-purpose funds, public agencies, or quasi-governmental entities. We fund approximately $5 million in grants each year that advance our objectives to support our goal of a more just and inclusive impact investment marketplace.


The Foundation is not accepting unsolicited proposals at this time. However, please contact us to share new and emerging impact investing perspectives and insights.



Updated June 2021

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