Funding search · EIN 812644663 · Palo Alto, CA
Open Philanthropy Action Fund
A grantmaking public charity (files IRS Form 990, Schedule I). Charities like this often run real grant programs with application cycles.
- 98
- grants reported
- $71.7M
- total given
- 2022–2024
- filing years
- $180,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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2 grants matching “malnutrition” · $7.9M
- $163,083
Malnutrition Advocacy Fund · Raleigh, NC · 2024
Advocacy for cost-effective malnutrition interventions
- $7.7M
Malnutrition Advocacy Fund · Raleigh, NC · 2023
Advocacy for cost-effective malnutrition interventions
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Accountable Justice Action Fund3 grants · $24.1M
- Malnutrition Advocacy Fund2 grants · $7.9M
- Californians Against Pandemics3 grants · $6.1M
- Vital Strategies Action Fund2 grants · $3.2M
- California Yimby4 grants · $3.2M
- Americans for Responsible Innovation1 grant · $2.9M
- Plant Based Foods Association2 grants · $2.5M
- Open New York3 grants · $2.5M
- Ifp Action3 grants · $2.0M
- Breakthrough Energy Action3 grants · $1.8M
Giving over time
Grant history
All 98 reported grants, largest first.
- $11.5M
Accountable Justice Action Fund · Brooklyn, NY · 2023
General support
- $7.7M
Malnutrition Advocacy Fund · Raleigh, NC · 2023
Advocacy for cost-effective malnutrition interventions
- $6.4M
Accountable Justice Action Fund · Albany, NY · 2024
General support
- $6.3M
Accountable Justice Action Fund · Brooklyn, NY · 2022
General support
- $3.0M
Californians Against Pandemics · Los Angeles, CA · 2022
Support ballot initiative
- $3.0M
California Yimby · Sacramento, CA · 2023
General support
- $2.9M
Americans for Responsible Innovation · Washington, DC · 2024
General support
- $2.5M
Plant Based Foods Association · San Francisco, CA · 2024
Work related to plant-based foods
- $2.0M
Open New York · New York, NY · 2023
General support
- $1.7M
Vital Strategies Action Fund · New York, NY · 2024
Work to reduce alcohol harms in low and middle-income countries
- $1.6M
Californians Against Pandemics · Los Angeles, CA · 2022
Support ballot initiative
- $1.5M
Vital Strategies Action Fund · New York, NY · 2023
Work related to alcohol policy
- $1.5M
Californians Against Pandemics · Los Angeles, CA · 2022
Support ballot initiative
- $1.2M
Economic Innovation Group · Washington, DC · 2023
Immigration reform work
- $1.2M
Ifp Action · Washington, DC · 2023
Development and research on various public policies
- $1.0M
1day Sooner Action Project · Claymont, DE · 2023
General support
- $761,404
Breakthrough Energy Action · Kirkland, WA · 2022
General support
- $700,000
Colorofchangeorg · Oakland, CA · 2022
Decarceration and prosecutor reform
- $697,268
Effective Altruism Foundation · San Francisco, CA · 2022
Research and advocacy on policy interventions in europe
- $654,500
Ea Retreats · Escondido, CA · 2022
Future forum conference
- $629,000
Competitive Markets Action · Washington, DC · 2024
Farm bill advocacy
- $611,000
Federation of American Scientists · Washington, DC · 2023
Immigration policy development and advocacy
- $604,000
Charak Foundation · Orange, CA · 2023
Clinical trial of ramatroban against covid-19
- $595,667
Abundant Housing Ma · Boston, MA · 2023
General support
- $592,469
Breakthrough Energy Action · Kirkland, WA · 2023
General support
- $500,000
Global Animal Partnership · Austin, TX · 2022
General support
- $500,000
Ifp Action · Washington, DC · 2022
Immigration reform
- $500,000
Open New York · New York, NY · 2022
State-level advocacy
- $404,546
Cambridge Boston Alignment Initiative · Cambridge, MA · 2023
Ai safety community-building work
- $404,409
Breakthrough Energy Action · Kirkland, WA · 2024
General support
- $400,000
Centre for the Governance of Ai · New York, NY · 2024
General support
- $400,000
Federation of American Scientists · Washington, DC · 2023
Policy change addressing the challenges with advancements in ai
- $341,660
Ifp Action · Washington, DC · 2023
Ai policy
- $323,000
Competitive Markets Action · Washington, DC · 2023
Advocacy work opposing the eats act
- $300,000
Yimby Action · San Francisco, CA · 2022
Housing policy
- $257,000
Competitive Markets Action · Washington, DC · 2023
Advocacy work opposing the eats act
- $250,000
Global Challenges Project · Berkeley, CA · 2022
Summer program for ea group leaders
- $248,362
Greater Greater Washington · Washington, DC · 2023
Support work on housing
- $230,000
Leap Laboratories · Richmond, CA · 2023
Research to advance ai safety
- $200,000
Global Challenges Project · Lewes, DE · 2023
General support
- $200,000
California Yimby · Sacramento, CA · 2022
Housing ballot initiative
- $200,000
Gch Consulting Llc · Raleigh, NC · 2022
Research for new farm animal welfare nonprofit
- $200,000
Global Challenges Project · Berkeley, CA · 2022
Existential risk workshops
- $200,000
Good Forever Foundation · Austin, TX · 2022
Pandemic preparedness and mitigation of covid-19
- $198,647
Futurewise · Seattle, WA · 2023
Advocacy work on housing in washington
- $198,179
Vegan Women Summit · Woodland Hills, CA · 2023
Work on alternatives to animal products
- $195,600
Charak Foundation · Las Vegas, NV · 2022
Clinical trial of ramatroban against covid-19
- $180,000
Cambridge Boston Alignment Initiative · Cambridge, MA · 2024
Bootcamp on cybersecurity
- $180,000
Rethink Priorities · San Francisco, CA · 2024
Insect welfare policy
- $180,000
Farm Action Fund · Mexico, MO · 2023
Advocacy work opposing the eats act
- $175,000
Regional Plan Association · New York, NY · 2023
Support for desegergate ct
- $173,400
Cambridge Boston Alignment Initiative · Cambridge, MA · 2023
Ai alignment bootcamp programs
- $163,083
Malnutrition Advocacy Fund · Raleigh, NC · 2024
Advocacy for cost-effective malnutrition interventions
- $150,800
Global Challenges Project · Berkeley, CA · 2022
General support
- $150,000
Digital Harbor Foundation · Baltimore, MD · 2024
Uk day one project
- $146,200
Cambridge Boston Alignment Initiative · Cambridge, MA · 2023
Ai alignment research program
- $120,000
Yimby Action · San Francisco, CA · 2024
Legal and advocacy work to promote more housing
- $120,000
Center for Responsible Food Business · Bethlehem, PA · 2023
General support
- $111,229
Ml for Good Llc · Cambridge, MA · 2023
Ai alignment bootcamp programs
- $110,000
Players Philanthropy Fund · Towson, MD · 2024
Policy research related to ai in the eu and latin america
- $108,785
Zeteo Tech · Sykesville, MD · 2024
Overview of biological threats
- $108,214
Sightline Institute · Seattle, WA · 2023
Housing and urban development in washington and oregon
- $106,800
Farm Action Fund · Mexico, MO · 2024
Farm animal welfare laws
- $101,000
Dharma Voices for Animals · Solana Beach, CA · 2022
Farm animal legislation in sri lanka
- $100,000
Center for Responsible Food Business · Bethlehem, PA · 2024
General support
- $100,000
Future Tech Insights · San Francisco, CA · 2024
Improving public understanding of ai safety
- $100,000
Horizon Institute for Public Service · Washington, DC · 2022
Project support
- $96,718
Digital Harbor Foundation · Baltimore, MD · 2024
Uk day one project
- $95,000
Leverage Debate Llc · Winter Park, FL · 2022
Effective altruists-focused education and research
- $89,000
Apart Research Syndicate · Wilmington, DE · 2022
Alignment hackathon events
- $85,000
Prometheus Science Bowl · Pleasanton, CA · 2022
Science bowl competition about effective altruism
- $81,120
Ml for Good Llc · Cambridge, MA · 2023
Ai alignment organizers retreat
- $80,000
Abundant Housing La · Los Angeles, CA · 2022
Lawmaker engagement on housing issues
- $75,000
Panorama Global · Seattle, WA · 2024
Work on european commission aid advocacy
- $75,000
Center for Policy Opportunities · Washington, DC · 2022
General support
- $62,500
Center for Building · Brooklyn, NY · 2022
Building code reform
- $60,000
Effective Altruist Communications Fellowship · Glendale, CA · 2022
Summer 2022 ea communications fellowship
- $57,500
Centre for Effective Altruism USA · San Francisco, CA · 2023
Produce filmed content related to effective altruism
- $50,400
Mary Ann Liebert · New Rochelle, NY · 2024
Improving safety and security in dna synthesis screening
- $47,500
Centre for Effective Altruism USA · San Francisco, CA · 2023
Support public writing on utilitarianism and effective altruism
- $41,050
Apart Research Syndicate · Wilmington, DE · 2023
Ai alignment hackathon events
- $40,500
Leverage Debate Llc · Los Angeles, CA · 2023
Scholarships for debate camp attendees
- $39,400
A World of Good Initiative · Dover, DE · 2024
Animal welfare forum
- $39,000
Optic Forecasting · Wilmington, DE · 2024
In-person forecasting competitions for university students
- $38,220
Cambridge Boston Alignment Initiative · Cambridge, MA · 2023
Ai safety university group organizers workshop
- $34,000
Action Fund On Technology and Emerging Risk · Silver Spring, MD · 2023
General support
- $33,620
Cambridge Boston Alignment Initiative · Cambridge, MA · 2023
University organizing
- $33,096
Open New York · New York, NY · 2024
General support
- $31,495
Ashgro · Wilmington, DE · 2024
Ai safety community-building work
- $30,000
Virtue Ai · San Francisco, CA · 2024
Prizes at the neurips 2024 clas
- $29,870
Gryphon Scientific Llc · Takoma Park, MD · 2024
Gene synthesis screening practices
- $24,978
Al Safety Corporation at UCLA · Los Angeles, CA · 2022
Research and movement-building in ai safety
- $22,639
California Yimby · Sacramento, CA · 2024
General support
- $17,000
Massachusetts Institute of Technology · Cambridge, MA · 2024
Support organizing efforts at impact@mit
- $14,000
Workstream Business Systems Llc · Columbia, MD · 2023
Workstream operations fellowship
- $12,247
Plant Based Foods Association · San Francisco, CA · 2022
Work related to plant based food alternatives
- $9,338
Greater Greater Washington · Washington, DC · 2024
Support work on housing
- $7,441
California Yimby · Sacramento, CA · 2022
General support
Who else funds this kind of work
Same state
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
- UCLA Foundation276 grants · $1.75B
Similar purposes
- The San Francisco Foundation6,369 grants · $813.9M
- Foundation To Promote Open Society3,312 grants · $1.72B
- Amalgamated Charitable Foundation4,367 grants · $577.0M
Similar grant size
- The Ford Foundation10,731 grants · $2.35B
- John D and Catherine T MacArthur Foundation (Consolidated)7,100 grants · $1.67B
- Wk Kellogg Foundation7,234 grants · $1.30B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990, Schedule I, as filed by this organization. These are grants already paid. Grants paid directly to individuals are reported to the IRS only as totals, so they do not appear as named lines here.

