The William & Flora Hewlett Foundation
Private foundation CAEIN 94-1655673
The William & Flora Hewlett Foundation is a grantmaker based in Menlo Park, CA (EIN 94-1655673). Its most recent IRS filing reports about $625M in grants paid across 2,001 awards in 2024. Its largest giving areas are Environment, Education, Community Development. This profile is built from public IRS giving history — it reflects what the funder has actually funded, not an open call for proposals.
Funding capacity & financials (FY2024)
From The William & Flora Hewlett Foundation's IRS Form 990. Assets show capacity; the giving rate shows how actively they deploy it (a private foundation must pay out ~5%/yr) — useful for sizing your ask.
Leadership & board
Officers, directors & key staff from The William & Flora Hewlett Foundation's IRS Form 990 (Part VII).
Who does the The William & Flora Hewlett Foundation fund?
The The William & Flora Hewlett Foundation is a private foundation that awards grants primarily in CA, DC, NY. According to its most recent IRS Form 990-PF filing (FY2024), it paid about $625M across 2,001 grants, concentrated in Environment, Education, Community Development and Arts Culture.
What types of organizations does the The William & Flora Hewlett Foundation fund?
The The William & Flora Hewlett Foundation's recent grants went to nonprofits and institutions working in Environment, Education, Community Development and Arts Culture. Recent recipients include Stichting European Climate Foundation, Stichting European Climate Foundation, Stichting European Climate Foundation. Because giving is reported in aggregate on the 990-PF, the best signal of fit is the funder's giving history below.
How much does the The William & Flora Hewlett Foundation give, and what is a typical grant?
In FY2024, the The William & Flora Hewlett Foundation awarded about $625M across 2,001 grants — an average grant of about $312K and a median of about $150K.
Where does the The William & Flora Hewlett Foundation award grants?
The The William & Flora Hewlett Foundation awards grants primarily in CA, DC, NY, based on the locations of the recipient organizations in its 990-PF giving records.
Does The William & Flora Hewlett Foundation accept unsolicited grant applications?
GrantSonar has no verified information on whether The William & Flora Hewlett Foundation accepts unsolicited applications or has an open application cycle. This profile is built from IRS giving records, which show past grants, not current application rules. Check The William & Flora Hewlett Foundation's own website or its latest IRS filing before reaching out.
Who are recent The William & Flora Hewlett Foundation grant recipients?
Recent The William & Flora Hewlett Foundation grant recipients include Stichting European Climate Foundation ($11M); Stichting European Climate Foundation ($11M); Stichting European Climate Foundation ($11M); Humboldt Area Foundation ($10M); Climateworks Foundation ($10M); Climateworks Foundation ($10M). The full recipient list and giving history are available on GrantSonar.
Past The William & Flora Hewlett Foundation grant recipients
GrantSonar holds 3,905 itemized recipient records for the The William & Flora Hewlett Foundation from its IRS filings. The 25 largest are listed, with the fiscal year and the purpose the filing states. The full list is on GrantSonar.
| Recipient | Amount | Year | Purpose |
|---|---|---|---|
| Stichting European Climate Foundation | $11M | 2024 | FOR THE CLIMATE FINANCE FUND |
| Stichting European Climate Foundation | $11M | 2023 | FOR THE CLIMATE FINANCE FUND |
| Stichting European Climate Foundation | $11M | 2024 | FOR THE CLIMATE FINANCE FUND |
| Humboldt Area FoundationCA | $10M | 2023 | FOR THE KLAMATH FUND |
| Climateworks FoundationCA | $10M | 2024 | FOR GENERAL OPERATING SUPPORT |
| Climateworks FoundationCA | $10M | 2023 | FOR GENERAL OPERATING SUPPORT |
| Climate Leadership Initiative INCCA | $10M | 2023 | FOR GENERAL OPERATING SUPPORT |
| Amalgamated Charitable Foundation INCDC | $10M | 2024 | FOR THE GLOBAL FUND FOR A NEW ECONOMY |
| Amalgamated Charitable Foundation INCDC | $10M | 2023 | FOR THE BUILDUS FUND PROJECT |
| Stichting European Climate Foundation | $9.0M | 2024 | FOR GENERAL OPERATING SUPPORT |
| Stichting European Climate Foundation | $9.0M | 2023 | FOR GENERAL OPERATING SUPPORT |
| San Francisco FoundationCA | $7.5M | 2023 | FOR GENERAL OPERATING SUPPORT |
| San Francisco FoundationCA | $7.5M | 2024 | FOR GENERAL OPERATING SUPPORT |
| Msi-UsDC | $7.5M | 2024 | FOR SUPPORT OF THE CHALLENGE FUND |
| Energy FoundationCA | $7.0M | 2023 | FOR GENERAL OPERATING SUPPORT |
| The Energy FoundationCA | $7.0M | 2024 | FOR GENERAL OPERATING SUPPORT |
| New Venture FundDC | $7.0M | 2024 | FOR THE CREATIVITY IN TEACHING AND LEARNING POOLED FUND |
| Windward FundDC | $6.7M | 2024 | FOR THE METHANE HUB |
| Windward FundDC | $6.7M | 2023 | FOR THE METHANE HUB |
| United States Energy FoundationCA | $5.5M | 2023 | FOR GENERAL OPERATING SUPPORT |
| Community Vision Capital & ConsultingCA | $5.5M | 2024 | FOR THE PERFORMING ARTS ACQUISITION FUND |
| Naacp Empowerment Programs INCMD | $5.0M | 2024 | FOR SUPPORT OF THE NAACP TO ESTABLISH AN ENDOWMENT |
| Election Trust Initiative LLCDC | $5.0M | 2023 | FOR THE ELECTION TRUST INITIATIVE |
| Spelman CollegeGA | $5.0M | 2023 | FOR A PROGRAM TO PREPARE THE NEXT GENERATION OF CYBER, SECURITY, AND POLICY EXPERTS |
| Election Trust Initiative LLCDC | $5.0M | 2024 | FOR THE ELECTION TRUST INITIATIVE |
Markdown version of this recipient history, for citation and LLM retrieval.
Based on the The William & Flora Hewlett Foundation's public IRS Form 990-PF filings (most recent: FY2024). 990 data reflects giving history and typically lags 1–2 years; it is not an open call for proposals. Always confirm the funder's current guidelines before applying.
Built from 236,000+ U.S. grantmaking foundations and 4.6 million itemized grant records in public IRS Form 990 / 990-PF filings (135,000+ funders with itemized giving history).
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