What MacArthur Foundation does

Established in 1978, the John D. and Catherine T. MacArthur Foundation is a private 501(c)(3) philanthropic foundation headquartered in Chicago with regional offices in India and Nigeria. The foundation distributes capital from a substantial endowment via grants, impact investments, and award programs to nonprofits, research institutions, and social enterprises working on climate solutions, criminal justice reform, local news sustainability, and AI governance. To date, MacArthur has awarded more than $8.27 billion across 10,746 organizations in 119 countries. Grantmaking is the foundation's primary product; it sells no commercial goods or services and does not generate revenue from operations.

Programmatic delivery is organized into Big Bets (AI Opportunity, Climate Solutions, Criminal Justice, Local News), Enduring Commitments (Chicago Commitment, Journalism & Media), Field Support (Impact Investments, Philanthropy, Technology in the Public Interest), Initiatives (Nigeria Next, New Work), and award programs including the $100M 100&Change competition and the MacArthur Fellows Program (the well-known "Genius Grant"). Wholly-owned affiliate Lever for Change manages competitive philanthropic challenges. The foundation also co-leads coalitions such as Press Forward — a national local-news movement with nearly 60 funders committing more than $500 million over five years — and the joint Sorenson Impact Institute Collaboration Fund with the Ford Foundation.

Revenue mechanics are endowment-driven. The foundation is funded by returns on its investment portfolio and does not collect commercial revenue. Annual programmatic disbursement was approximately $376 million across 526 grants in 2021, with the foundation subsequently raising its payout ratio to at least 6% for 2025 and 2026. In 2020, MacArthur issued $125 million in social bonds to fund COVID-19 and racial-equity response. Recent commitments include a $100M 100&Change grant to the Sentinel disease surveillance network (2025), a $55M commitment to ALIVE Ventures' ALEG II Latin American fund (2026), a $5M founding investment in Zafiri for distributed renewable energy in sub-Saharan Africa (2026), and a $50M Literary Arts Fund coalition with six peer foundations (2025).

Name

MacArthur Foundation

Legal name

John D. and Catherine T. MacArthur Foundation

Website

https://macfound.org

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

101–250 employees

Short description

The MacArthur Foundation is a private Chicago-based philanthropic foundation that distributes grants and impact investments from its endowment to nonprofits and social enterprises working on climate, criminal justice, local news, and AI governance globally.

Ownership category

akta.pro rank

Product category

Philanthropic Foundation

NAICS

Grantmaking Foundations (813211), Grantmaking and Giving Services (8132)

akta.pro primary industry

Private Foundations (BPAGAKAA)

akta.pro secondary industries

International Grantmaking & Development Foundations (BPAGAKAH), Research & Science Grantmaking Foundations (BPAGAKAI)

Keywords

• Philanthropic grantmaking
• Impact investments
• Foundation endowment
• Charitable giving programs
• Fellowship awards

Headquarters

HQ city

Chicago

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Revenue model

1. Grantmaking from Endowment: The MacArthur Foundation distributes funds from its investment endowment to support nonprofits, research institutions, and social enterprises through grants and impact investments. The foundation does not generate revenue from products or services.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

MacArthur Foundation is a private charitable foundation that deploys funds from its investment endowment through grants, impact investments, fellowships, and competitive award programs to support nonprofits, research institutions, and social enterprises working on critical challenges including climate solutions, criminal justice reform, local news sustainability, and AI governance. The foundation distributes more than $8.27 billion across 10,746 organizations in 119 countries through direct grantmaking, signature fellowship and award programs (MacArthur Fellows, 100&Change), and impact investments.

Product overview

The MacArthur Foundation is a philanthropy organization that does not offer a unified product platform. Instead, it operates a portfolio of grant-making programs, awards, and initiatives organized under strategic program areas (Big Bets, Enduring Commitments, Field Support, and Initiatives) and award programs (100&Change and MacArthur Fellows). Key offerings include: the 100&Change $100 million award program; the MacArthur Fellows Program supporting creative individuals; Press Forward local news initiative ($500M+); Nigeria Next youth empowerment; Technology in the Public Interest AI governance program; and Impact Investments service. Programs span AI opportunity, climate solutions, criminal justice reform, local news, Chicago community investment, and journalism & media support. The foundation also provides an online grant search and application platform accessible through its website.

Differentiator

Problem solved

Functional benefit

Brands

• MacArthur Fellows Program: The foundation's signature fellowship program that awards no-strings-attached stipends to individuals demonstrating exceptional creativity and promise in their fields.
• 100&Change
• Press Forward
• Lever for Change

Products and services

• 100&Change A global competition that awards a single $100 million grant to an organization solving a critical problem of our time. The competition identifies bold solutions that can be measured, scaled, and sustained, open to nonprofits and social enterprises.
• MacArthur Fellows Program Award program providing no-strings-attached stipends to approximately 20-30 individuals annually who show exceptional creativity in their work and promise to do more across diverse fields of endeavor.
• Press Forward A national movement to strengthen local news, investing more than $500 million over five years with nearly 60 participating funders to re-center local news as a force for community cohesion.
• Nigeria Next An initiative supporting Nigerian youth through digital inclusion, innovation, civic participation, and policy research using grants and impact investments to address structural barriers to technology access and economic opportunities.
• Impact Investments Investments that generate social and environmental impact alongside financial returns, supporting the foundation's mission-driven goals in emerging markets and underserved regions.
• Grant Search Platform An online grant database accessible through the foundation's website that allows prospective and current grantees to search MacArthur Foundation's grant history, access information for grantseekers, and submit applications via the Fluxx grantee portal.

Quantifiable outcome

• Over 3,000 public health workers trained across 53 African countries through Sentinel project
• +3 more outcomes

Named customers13 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered minor, flagship and core.

• International Jazz Day 2026 Co-ChairsminorStrategic or Co-development Partner · 1 May 2026MacArthur Foundation co-chaired International Jazz Day 2026 in Chicago alongside Capri Capital and GCM Grosvenor. The celebration reached 196 countries and all 50 U.S. states through concerts, educational programs, and community initiatives organized by Herbie Hancock Institute of Jazz.
• Nigeria Next Initiative PartnersflagshipStrategic or Co-development Partner · 26 March 2026MacArthur Foundation launched 'Nigeria Next' initiative to empower youth through digital inclusion, innovation, civic participation, and policy research. The program provides grants, impact investments, and thought leadership to Nigerian youth addressing structural barriers to technology access and economic opportunities.
• Current AI PartnershipcoreStrategic or Co-development Partner · 1 February 2025MacArthur Foundation supports Current AI, an initiative that includes linguistic diversity in its initiatives so communities can benefit from AI in a way that supports their interests. Launched at the AI Action Summit in Paris, France in February 2025.
• Juristrust CentreminorStrategic or Co-development PartnerMacArthur Foundation partnered with Juristrust Centre to organize the Administration of Criminal Justice Academy Moot Competition in Abuja, Nigeria, bringing together law students and justice sector stakeholders to address gaps between theoretical legal education and courtroom practice.
• Herbie Hancock Institute of JazzminorStrategic or Co-development PartnerMacArthur Foundation supported the 15th annual International Jazz Day concluded with a global concert at Chicago's Lyric Opera House featuring over 40 world-renowned artists. Event reached 196 countries and all 50 U.S. states.

Scale indicators10 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Ford Foundation: Another of the largest US private foundations with global grantmaking across equity, democracy, and climate. Ford and MacArthur co-fund initiatives (e.g., the Sorenson Collaboration Fund), making them direct peers in scale, mission scope, and grantee base.
• Rockefeller Foundation: Historic US private foundation with similarly broad global scope across health, climate, and equity. Comparable endowment scale and shared participation in cross-funder coalitions on pandemic response and climate place it as a direct peer to MacArthur.
• Carnegie Corporation of New York: Large US private foundation with parallel focus areas in democracy, education, and international peace. Similar century-old heritage, comparable grantmaking scale, and shared leadership in the press-freedom and education-equity space make it a strong direct peer.
• William and Flora Hewlett Foundation: Major US private foundation with overlapping priorities in climate, journalism/local news, and education. Direct co-participant in the Press Forward coalition alongside MacArthur and similarly deploys both grants and impact investments.
• Open Society Foundations: Large private foundation with concentrated focus on justice, democratic governance, and rights globally. Highly comparable programmatic emphasis on criminal justice reform and equity, and similar deployment of grants plus advocacy partnerships.
• Pew Charitable Trusts: Large US nonprofit operating programs in public opinion research, oceans/environment, and journalism. Comparable endowment-driven funding model and parallel investment in local news sustainability alongside MacArthur.
• Kresge Foundation: US private foundation with comparable scale and similarly structured programmatic focus on equity, climate, and place-based community development. Operates grantmaking plus program-related investments akin to MacArthur's impact-investment practice.
• Bloomberg Philanthropies: Major philanthropic vehicle with overlapping climate, journalism, and public-health investments. Comparable deployment of large-scale, multi-year commitments and active co-funding in international climate and news coalitions.
• Robert Wood Johnson Foundation: One of the largest US private foundations, focused on health equity and the social determinants of health. Comparable endowment scale and grantmaking methodology, including capacity-building support to grantees and field-building initiatives.

Broad incumbents

• Bill & Melinda Gates Foundation: The largest US private foundation, operating at significantly greater scale across global health, education, and development. Less directly aligned on civic-justice and AI themes but a key comparison point for endowment-driven mega-philanthropy and impact-investment approaches.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/macfound
• YouTubeyoutube.com/user/macfound
• Facebookfacebook.com/macarthurfdn
• LinkedInlinkedin.com/company/macarthur-foundation
• Instagraminstagram.com/macfound

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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M&A

Investments29 records

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Frequently asked questions about MacArthur Foundation