WILLIAM & FLORA HEWLETT FOUNDATION

EIN 94-1655673501(c)(3)Private foundationActive

2121 SAND HILL RD, MENLO PARK, CA · IRS data through FY2023

Total revenue
$602,064,005
FY2023 · −8% vs FY2022
Total expenses
$699,937,452
FY2023
Net assets
$12,983,161,719
FY2023

Revenue, expenses and net assets

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Revenue Expenses Net assets

Tax yearRevenueExpensesNet assets
FY2023$602,064,005$699,937,452$12,983,161,719
FY2022$652,108,628$655,021,446$12,455,789,075
FY2021$1,115,887,438$617,662,820$14,506,323,993
FY2020$910,160,539$566,179,169$12,697,313,051
FY2019$782,846,468$531,318,252$10,640,142,175
FY2015$526,699,324$471,437,419$8,739,619,583
FY2014$624,612,155$419,655,610$8,806,376,656
FY2013$289,396,942$303,616,986$8,304,519,946
FY2012$604,616,338$374,651,952$7,394,625,377
FY2011$428,169,099$274,862,351$6,938,226,140

Grants paid

Total contributions, gifts and grants paid by year, as reported on Form 990-PF. Individual recipients are not published. See private foundations in CA. See the largest grantmakers.

Tax yearGrants paid
FY2023$605,258,937
FY2022$560,389,257
FY2021$519,443,745
FY2020$468,766,496
FY2019$456,452,459
FY2015$401,823,025
FY2014$361,328,779
FY2013$228,220,452
FY2012$311,755,084
FY2011$214,537,453

What the numbers show

Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.

IRS status

Ruling year1968
Subsection501(c)(3)
ClassificationPrivate foundation
Program area (NTEE)T21 — Philanthropy, Voluntarism & Grantmaking Foundations (in CA)
DonationsDonations are generally tax-deductible (private foundation).

Similar organizations

Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded September 20, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.

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