Open Philanthropy Action Fund

Fiscal year ending 2024. Filed on November 16, 2025.

314 Lytton Ave
Palo Alto, California 94301

Open Philanthropy Action Fund (EIN: 81-2644663) has filed an IRS Form 990 since fiscal year 2017. In its fiscal year 2024 IRS Form 990 filing, Open Philanthropy Action Fund, a 501(c)(4) civic league or social welfare organization, reported compensation for 1 employee. Among the employees shown here, the average compensation is $0.

Revenue, expenses, and employee compensation

Revenue

$83,192,444

Expenses

$58,649,459

Employee compensation

$0
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Mission Statement

THE MISSION OF OPEN PHILANTHROPY ACTION FUND IS TO STUDY AND PROMOTE MORE EFFECTIVE GIVING FOR PUBLIC POLICY, ADVOCACY AND SOCIAL WELFARE PURPOSES. THE ORGANIZATION SEEKS TO MAXIMIZE THE IMPACT THAT PHILANTHROPIC GIVING CAN HAVE ON PUBLIC POLICY AND FURTHER SOCIAL WELFARE. THROUGH RESEARCH, EDUCATION, ADVOCACY AND GRANTMAKING, THE ORGANIZATION ALSO SEEKS TO BRING ABOUT IMPROVEMENT IN SELECT PUBLIC POLICY AREAS. THE ORGANIZATION PROMOTES THE GENERAL WELFARE OF INDIVIDUALS AND THEIR COMMUNITIES BY SUPPORTING MORE EFFECTIVE FORMS OF PHILANTHROPIC GIVING IN THE PUBLIC POLICY ARENA AND FOR SOCIAL WELFARE CAUSES, AND BY ADVOCATING FOR BENEFICIAL CHANGES IN PUBLIC POLICY.

Revisions to this organization profile

November 16, 2025:
2024 Open Philanthropy Action Fund 990 filed
November 15, 2024:
2023 Open Philanthropy Action Fund 990 filed
November 15, 2023:
2022 Open Philanthropy Action Fund 990 filed

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