Charity Search / WILLIAM & FLORA HEWLETT FOUNDATION
Philanthropy & Grantmaking (T21) IRS Verified DX Registered 990 on File

WILLIAM & FLORA HEWLETT FOUNDATION

EIN: 94-1655673 · MENLO PARK, CA 94025-6909 · United States · FY 2024 Data
3 out of 5 49 / 100 Based on 2+ years of filings
Financial strength (30%) 85/100
Reliability (20%) 55/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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Financial Overview — FY 2024
$784.7M
Total Revenue
$754.6M
Total Expenses
$13842.1M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 91.4%
Fundraising Efficiency N/A
Operating Reserve 220.12x
Liability-to-Asset 2.5%
Revenue Diversification 131.6%
Executive Compensation $3.7M
Compared with Peers
FY 2024
Compared with 126 similar organizations (United States, Philanthropy & Grantmaking, $100M and over in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
91.4% 96.3%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
220.1 mo 63.5 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
2.5% 3.3%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
131.6% 92.4%
P10P90
Bottom quarter
Revenue growth
Year over year revenue growth
30.3% 29.3%
P10P90
Expense growth
Year over year expense growth
7.8% 13.0%
P10P90
Surplus margin
Surplus as a share of revenue
3.8% 6.7%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $784.7M $754.6M $13842.1M 91.4% —
2023 $602.1M $699.9M $12983.2M 92.6% —
2022 $652.1M $655.0M $12455.8M 93.6% —
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Organization Details
EIN
94-1655673
State
CA
City
MENLO PARK
ZIP
94025-6909
Classification
T21
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Foundation Code
4
Form 990
On File
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