The William & Flora Hewlett Foundation
Historical FunderMenlo Park, California · EIN 94-1655673 · Private foundation · Website
Grants paid (2024)$625M
Organizations funded2,001
Typical grant$150,000
Total assets$14.2B
Half of its grants to organizations were between $50,000 and $300,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | AMBER MILLER PRESIDENT |
|---|---|
| Address | 2121 SAND HILL ROAD, MENLO PARK CA 94025 |
| Phone | 6502344500 |
| Form and materials | SEE PAGE 23 AND WWW.HEWLETT.ORG |
| Deadlines | SEE PAGE 23 AND WWW.HEWLETT.ORG |
| Restrictions | SEE PAGE 23 AND WWW.HEWLETT.ORG |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
62% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Stichting European Climate Foundation | Den Haag, NL | For the climate finance fund | $11,212,911 |
| Stichting European Climate Foundation | Den Haag, NL | For the climate finance fund | $11,000,000 |
| Amalgamated Charitable Foundation Inc | Washington, DC | For the global fund for a new economy | $10,000,000 |
| Climateworks Foundation | San Francisco, CA | For general operating support | $10,000,000 |
| Stichting European Climate Foundation | Den Haag, NL | For general operating support | $9,000,000 |
| Msi-Us | Washington, DC | For support of the challenge fund | $7,500,000 |
| San Francisco Foundation | San Francisco, CA | For general operating support | $7,500,000 |
| New Venture Fund | Washington, DC | For the creativity in teaching and learning pooled fund | $7,000,000 |
| The Energy Foundation | San Francisco, CA | For general operating support | $7,000,000 |
| Windward Fund | Washington, DC | For the methane hub | $6,666,666 |
| Community Vision Capital & Consulting | San Francisco, CA | For the performing arts acquisition fund | $5,500,000 |
| Election Trust Initiative LLC | Washington, DC | For the election trust initiative | $5,000,000 |
| NAACP Empowerment Programs Inc | Baltimore, MD | For support of the NAACP to establish an endowment | $5,000,000 |
| United States Energy Foundation | San Francisco, CA | For general operating support | $4,500,000 |
| Climateworks Foundation | San Francisco, CA | For the global industrial decarbonization program | $4,000,000 |
| International Sustainable Energy Foundation | San Francisco, CA | For general operating support | $4,000,000 |
| Climateworks Foundation | San Francisco, CA | For support of u.s. foreign economic policy for global green industrial policy | $3,500,000 |
| Climateworks Foundation | San Francisco, CA | For the global industry hub initiative | $3,333,334 |
| Amalgamated Charitable Foundation Inc | Washington, DC | For the democracy frontlines fund | $3,090,000 |
| Liberty Hill Foundation | Los Angeles, CA | For the environmental leadership initiative | $3,000,000 |
| Policylink | Oakland, CA | For general operating support | $3,000,000 |
| Resources Legacy Fund | Sacramento, CA | For wildfire strategies | $3,000,000 |
| Rockefeller Philanthropy Advisors Inc | New York, NY | For the global commons alliance | $3,000,000 |
| Climate and Clean Energy Equity Fund Open Gov Hub | Washington, DC | For general operating support | $2,750,000 |
| Rei Cooperative Action Fund | Sumner, WA | For general operating support | $2,600,000 |
| Climateworks Foundation | San Francisco, CA | For the clean cooling collaborative | $2,500,000 |
| Rf Catalytic Capital Inc | New York, NY | For invest in our future | $2,500,000 |
| Tara Climate Ltd | Singapore, SN | For general operating support | $2,500,000 |
| George Washington University | Washington, DC | For a series of forums on civic teaching as a core principle in education | $2,400,000 |
| Western Conservation Foundation | Denver, CO | For the state conservation program | $2,150,000 |
| Colorofchangeorg Education Fund Inc | Oakland, CA | For general operating support | $2,055,308 |
| Community Initiatives | Oakland, CA | For community schools learning exchange | $2,000,000 |
| International Budget Partnership | Washington, DC | For general operating support | $2,000,000 |
| Johns Hopkins University | Baltimore, MD | For the center for economy and society at the snf agora institute | $2,000,000 |
| Msi-Us | Washington, DC | For support of msi's programs in east and francophone west africa | $2,000,000 |
| New Venture Fund | Washington, DC | For support of the fenomenal funds | $2,000,000 |
| Rockefeller Brothers Fund Inc | New York, NY | For multistakeholder carbon neutrality strategy development and implementation in china | $2,000,000 |
| Rockefeller Philanthropy Advisors Inc | New York, NY | For the climate emergency collaboration group | $2,000,000 |
| United States Energy Foundation | San Francisco, CA | For federal and local power programs | $2,000,000 |
| Women in Informal Employment - Weigo Ltd | Manchester, UK | For general operating support | $2,000,000 |
| Resources Legacy Fund | Sacramento, CA | For the western energy project | $1,800,000 |
| Trout Unlimited Inc | Arlington, VA | For general operating support | $1,800,000 |
| National Wildlife Federation | Reston, VA | For general operating support | $1,750,000 |
| Fidelity Investments Charitable Gift Fund | Boston, MA | Matching gift of staff and board members | $1,704,265 |
| Instituto Clima E Sociedade - Ics | Rio de Janeiro Rj, BR | For general operating support | $1,500,000 |
| International Development Research Centre | Ottawa, CA | For support of the partnership for evidence and equity in responsive social systems (peerss) | $1,500,000 |
| International Initiative for Impact Evaluation Inc | Washington, DC | For general operating support | $1,500,000 |
| Ipas | Chapel Hill, NC | For general operating support | $1,500,000 |
| Meliore | Brussels, BE | For the global strategic communications council | $1,500,000 |
| Rockefeller Philanthropy Advisors Inc | New York, NY | For the platform for agriculture and climate transformation | $1,500,000 |
| Speak Up Africa | Dakar, SG | For support of the ouagadougou partnership coordination unit | $1,500,000 |
| Western Conservation Foundation | Denver, CO | For general operating support | $1,500,000 |
| Institute for Womens Policy Research | Washington, DC | For the connect to success initiative | $1,400,000 |
| Learning Policy Institute | Palo Alto, CA | For general operating support | $1,250,000 |
| Twaweza East Africa | Dar Es Salaam, TZ | For general operating support | $1,250,000 |
| Windward Fund | Washington, DC | For the hive fund for climate and gender justice | $1,250,000 |
| Center for American Progress | Washington, DC | For the tackling climate change and environmental injustice program | $1,200,000 |
| Water Foundation | Sacramento, CA | For general operating support | $1,200,000 |
| The Roosevelt Institute | New York, NY | For general operating support | $1,125,000 |
| Oxfam-America Inc | Boston, MA | For support of the women's economic empowerment and care (we-care) program | $1,100,000 |
Showing the 60 largest of 2,001 grants to organizations.
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Rocky Mountain Institute | Boulder, CO | For the global green industrial strategy | $24,000,000 |
| Rf Catalytic Capital Inc | New York, NY | For invest in our future | $15,000,000 |
| Regents of the University of California Berkeley | Berkeley, CA | For the center on political economy | $7,600,000 |
| Climateworks Foundation | San Francisco, CA | For the global industry hub initiative | $6,666,666 |
| Climateworks Foundation | San Francisco, CA | For the clean cooling collaborative | $5,000,000 |
| The Miami Foundation Inc | Miami, FL | For the press forward pooled fund | $5,000,000 |
| Windward Fund | Washington, DC | For the global methane hub | $5,000,000 |
| Federation of American Scientists | Washington, DC | For a new vision for the climate regulatory state | $3,000,000 |
| New Venture Fund | Washington, DC | For the creativity in teaching and learning pooled fund | $3,000,000 |
| Policylink | Oakland, CA | For general operating support | $3,000,000 |
| New Venture Fund | Washington, DC | For the fund for climate and energy in india | $2,650,000 |
| Icivics Inc | Cambridge, MA | For implementation of the educating for american democracy roadmap | $2,237,737 |
| Women in Informal Employment Globalizing and | Manchester, | For general operating support | $2,000,000 |
| African Population and Health Research Center Inc | Baltimore, MD | For general operating support | $1,700,000 |
| Native American Rights Fund | Boulder, CO | For general operating support | $1,667,000 |
| Groundswell Fund | San Francisco, CA | For general operating support | $1,660,000 |
| Asian Americans Advancing Justice -Aajc Inc | Washington, DC | For general operating support | $1,642,032 |
| Demos a Network for Ideas and Action Ltd | New York, NY | For general operating support | $1,588,949 |
| Carnegie Foundation for the Advancement of Teachin | Stanford, CA | For support of a network of school systems focused on moving beyond the carnegie unit | $1,500,000 |
| Speak Up Africa | Dakar, | For support of the ouagadougou partnership coordination unit | $1,500,000 |
| United Nations Development Programme | New York, NY | For the uptake of gender fiscal policy considerations in the equanomics initiative | $1,404,000 |
| Partnership for Economic Policy Inc | Nairobi, | For advancing researchers' responsiveness to policymakers in east and west africa | $1,400,000 |
| Institute for Womens Policy Research | Washington, DC | For the connect to success initiative | $1,300,000 |
| Uhai Eashri Company Limited | Nairobi, | For general operating support | $1,300,000 |
| Rockefeller Philanthropy Advisors Inc | New York, NY | For mobilizing new high net worth individual philanthropy for global srhr | $1,250,000 |
| Actionaid USA | Washington, DC | For a project to ensure that economies and public service systems work for women and girls globally | $1,080,000 |
| Ipas | Chapel Hill, NC | For support of odas (organisation pour le dialogue pour l'avortement securise) | $1,050,000 |
| California County Superintendents | Sacramento, CA | For the statewide arts initiative | $1,040,000 |
| Grand Canyon Trust Inc | Flagstaff, AZ | For general operating support | $1,006,666 |
| Afrobarometer | Accra, | For general operating support | $1,000,000 |
| Center for Global Development | Washington, DC | For general operating support | $1,000,000 |
| Fund for Global Human Rights | Washington, DC | For support of a grassroots legal empowerment grantmaking fund | $1,000,000 |
| Global Fund for Women Inc | San Francisco, CA | For support of the collaborative for a gender just economy pooled fund | $1,000,000 |
| International Budget Partnership | Dakar, | For general operating support | $1,000,000 |
| Namati Inc | Washington, DC | For general operating support | $1,000,000 |
| New Venture Fund | Washington, DC | For support of the communities for just schools fund | $1,000,000 |
| Oxfam-America Inc | Boston, MA | For support of the women's economic empowerment and care (we-care) program | $1,000,000 |
| Planned Parenthood Federation of America Inc | New York, NY | For support of strategic litigation for srhr in francophone west africa | $1,000,000 |
| Potential Energy Coalition Inc | New York, NY | For a state-based clean energy acceleration project | $1,000,000 |
| Rockefeller Philanthropy Advisors Inc | New York, NY | For the climate champions team | $1,000,000 |
| Star-Ghana Foundation | Accra, | For phase two of the action for voice, influence, and inclusive development (avid) project | $1,000,000 |
| The African Climate Foundation Trust | Cape Town, | For the china-africa climate program | $1,000,000 |
| United Nations Foundation Inc | Washington, DC | For support of the data2x program | $1,000,000 |
| Wilderness Society | Washington, DC | For general operating support | $1,000,000 |
| Yale University | New Haven, CT | For advancing a new field of american political economy | $1,000,000 |
| Pathfinder International | Watertown, MA | For increasing access to reproductive health in cote d'ivoire | $950,000 |
| Create Ca | Pasadena, CA | For general operating support | $940,000 |
| Chancellor Masters & Scholars of Oxford Univ | Oxford, | For india transition finance program | $900,000 |
| The Center for Cultural Innovation | Los Angeles, CA | For the ambitious national initiative | $843,750 |
| Greenlining Institute | Oakland, CA | For general operating support | $816,666 |
| Population Services International | Washington, DC | For support to expand access to medication abortion in east africa | $800,000 |
| Regulatory Assistance Project | Montpelier, VT | For general operating support | $800,000 |
| Clean Air Task Force Inc | Boston, MA | For general operating support | $750,000 |
| Climate Jobs National Resource Center Inc | New York, NY | For general operating support | $750,000 |
| Publish What You Pay | London, | For general operating support | $750,000 |
| Stichting Sed Fund | Gravenhage, | For general operating support | $750,000 |
| The African Climate Foundation Trust | Cape Town, | For growth in africa | $750,000 |
| The Associated Press | New York, NY | For support of the ap's global climate desk | $750,000 |
| United Nations Foundation Inc | Washington, DC | For the global partnership for sustainable development data | $750,000 |
| Yale University | New Haven, CT | For support of a project on administrative law | $750,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $625,009,380 | 2,565 |
| 2023 | $590,142,860 | 2,564 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 14, 2025 - IRS e-file batch, object ID 202523189349102727
- IRS Tax Exempt Organization Search for EIN 94-1655673
- Profile updated Nov 4, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.